NewSoftware Development Engineer JobotSoftware Development EngineerBoston, MA$65–$80 / hourDevelopers at this level are building greater independence, taking ownership of small to medium-sized work items, and strengthening their core engineering skills across multiple application layers, including user interfaces, services, APIs, and data. Our teams include professionals across software engineering, product development, clinical informatics, research, and healthcare technology who share a commitment to reducing complexity and improving outcomes for patients and providers.
NewFull Stack Developer JobotFull Stack DeveloperBillerica, MA$100,000–$140,000 / yearInformation collected and processed as part of your Jobot candidate profile, and any job applications, resumes, or other information you choose to submit is subject to Jobot's Privacy Policy, as well as the Jobot California Worker Privacy Notice and Jobot Notice Regarding Automated Employment Decision Tools which are available at jobot.com/legal. By applying for this job, you agree to receive calls, AI-generated calls, text messages, or emails from Jobot, and/or its agents and contracted partners.
NewPrincipal Quant Developer (MLOps) Fidelity InvestmentsPrincipal Quant Developer (MLOps)Newton, MARemote$107,000–$216,000Analyze and design systems to implement quantitative models for systematic financial investments using R and Python, including time series forecasting models, multi-asset class portfolio construction strategies, risk management tools, alpha research, and simulation-based algorithms. Please be advised that Fidelity’s business is governed by the provisions of the Securities Exchange Act of 1934, the Investment Advisers Act of 1940, the Investment Company Act of 1940, ERISA, numerous state laws governing securities, investment and retirement-related financial activities and the rules and regulations of numerous self-regulatory organizations, including FINRA, among others.
Application Builder, Ring Software Product Builders Amazon.com Services LLCApplication Builder, Ring Software Product BuildersNorth Reading, MAUse AI to deliver features efficiently - this can include creating features, unit tests, generate code, documents, tickets, resolve defects, optimize code, and much more. If you have a disability and need a workplace accommodation or adjustment during the application and hiring process, including support for the interview or onboarding process, please visit https://amazon.jobs/content/en/how-we-hire/accommodations for more information.
NewPrincipal Quant Developer Fidelity InvestmentsPrincipal Quant DeveloperBoston, MARemote$107,000–$216,000Deep understanding and implementation of software excellence concepts (Reliability, Extendibility, Resiliency, Flexibility, Pluggability, Intuitive Problem Solving, Risk mitigation, Tech debt, Scope, Estimation, Quality, CI/CD, Unit testing, Functional testing, Load testing, Parallel Processing, Resource Synchronization, Performance, Monitoring, Alerts, Logging, Tracing, Observability, Supportability etc.). Please be advised that Fidelity’s business is governed by the provisions of the Securities Exchange Act of 1934, the Investment Advisers Act of 1940, the Investment Company Act of 1940, ERISA, numerous state laws governing securities, investment and retirement-related financial activities and the rules and regulations of numerous self-regulatory organizations, including FINRA, among others.
NewEntry Level Machine Learning Engineer/ Java developer SynergisticITEntry Level Machine Learning Engineer/ Java developerBoston, MA$79,000–$136,000 / yearFull timeSince 2010, Synergisticit has helped thousands of candidates land full-time jobs at tech leaders like Google, Apple, PayPal, Visa, Western Union, Wells Fargo, Intel, Paypal, JPMC, Wayfair, BOA, CITI and hundreds more with Job offers of $95k to $154k. Currently, We are looking for entry-level software programmers, Java Full stack developers, Python/Java developers, Data analysts/Data Engineers/ Data Scientists, Machine Learning engineers for full time positions with clients.
NewJAVA Developer Butler America AerospaceJAVA DeveloperAndover, MARemote$70–$81 / hourFull timeButler America Aerospace, LLC. is committed to working with and providing reasonable accommodations to individuals with disabilities. If you need a reasonable accommodation because of a disability for any part of the employment process, please contact the Human Resources Department at .
Embedded Software Engineer (Avionics) GCR Professional ServicesEmbedded Software Engineer (Avionics)Cambridge, MassachusettsContractorExcellent development and troubleshooting skills on embedded targets ¿ Excellent knowledge of OS coding techniques, interfaces, hardware subsystems and driver development ¿ Development experience with device drivers, board support package, boot code and knowledge of embedded system buses and protocols (e.g. GCC, LLVM), static analysis tools, dynamic analysis, and QEMU based development are preferred ¿ Knowledge and experience with software configuration management tools, defect tracking tools, and peer review processes.
Flight Software Engineer GCR Professional ServicesFlight Software EngineerCambridge, MassachusettsContractorClient is seeking a software engineer with an B.S. or a M.S. in Aerospace Engineering, Electrical Engineering, Systems Engineering, Computer Science or equivalent. Integration and test will include everything from unit testing, static and dynamic testing, integration and interface testing, debugging, and defect resolution.
Senior Software Engineer GCR Professional ServicesSenior Software EngineerWoburn, MassachusettsContractorHave domain expertise in one or more of the following areas: electronic warfare, antenna apertures, sensor resource management, large-scale platform test systems, cyber physical systems, open system architectures. Systems Development Division (SDD) executes the entire lifecycle of the solution, from conceptualization and architecture refinement through implementation and deployment, while leveraging novel technologies to deliver first-of-a-kind systems.
Lead, Embedded Software Engineer (Optical Space Systems) : Sign-on bonus ($30K max) L3Harris TechnologiesLead, Embedded Software Engineer (Optical Space Systems) : Sign-on bonus ($30K max)Wilmington, MA$135,000–$250,500 / yearL3Harris Space and Mission Systems is seeking a Lead, Embedded Software Engineer for our Wilmington, MA location to join a talented team of experts developing Embedded Flight Software for space-based imaging payloads. Experience with embedded command and control of mechanisms (e.g., shutters, motors, gimbals), embedded controllers (e.g., PIC, STM, TMS), serial communications (e.g., CAN, TCP/IP, RS422), and distributed messaging (TCP/UDP).
FS REST Java SQL Angular Kforce Inc.FS REST Java SQL AngularMerrimack, NH$68–$78They thrive in Agile environments, bring hands-on technical expertise, and are committed to delivering innovative solutions across the full software development lifecycle-from design through deployment-while collaborating effectively with team members to enhance overall performance and outcomes. Committed to delivering high-quality solutions, they emphasize adherence to SDLC best practices and actively promote continuous integration and continuous delivery.
Senior Civil/Structural Engineer LeidosSenior Civil/Structural EngineerFramingham, MA$92,300–$166,850Clients requiring subject matter expertise consulting could include private equity, infrastructure and hedge funds, investment and commercial banks, private developers, legal and financial advisors, original equipment manufacturers, DOE, and EIA, among others. Our services include engineering, planning, project management, construction management, and commissioning for electric power substations and transmission and distribution lines; protection and controls design; and electrification programs.
Civil/Structural Engineer LeidosCivil/Structural EngineerFramingham, MARemote$73,450–$132,775Clients requiring subject matter expertise consulting could include private equity, infrastructure and hedge funds, investment and commercial banks, private developers, legal and financial advisors, original equipment manufacturers, DOE, and EIA, among others. Our services include engineering, planning, project management, construction management, and commissioning for electric power substations and transmission and distribution lines; protection and controls design; and electrification programs.
Entry level Java spring boot developer/ data scientist-remote SynergisticITEntry level Java spring boot developer/ data scientist-remoteBoston, MARemote$78,000–$136,000 / yearFull timeSince 2010, Synergisticit has helped thousands of candidates land full-time jobs at tech leaders like Google, Apple, PayPal, Visa, Western Union, Wells Fargo, Intel, Paypal, JPMC, Wayfair, BOA, CITI and hundreds more with Job offers of $95k to $154k. Currently, We are looking for entry-level software programmers, Java Full stack developers, Python/Java developers, Data analysts/Data Engineers/ Data Scientists, Machine Learning engineers for full time positions with clients.
Senior Software Developer / Software Engineer Think Tank, Inc.Senior Software Developer / Software EngineerGloucester, MARemoteContractorThe Senior Software Developer / Software Engineer provides technical leadership in the design, development, modernization, deployment, and sustainment of mission-critical fisheries management systems for NOAA NMFS. Design and implement scalable, secure, and maintainable solutions supporting fisheries management programs such as permitting, quota management, vessel trip reporting, dealer reporting, and protected species data systems.
Project Software Engineer / Project Software Developer Triton Systems IncProject Software Engineer / Project Software DeveloperChelmsford, MAA primary focus of this role is transforming research-level code into production-ready software: secure, optimized for runtime performance, user-friendly, clean, and modular, and integrated with other software systems (for example, via well-defined APIs). Our teams thrive in a collaborative, fast-paced environment where we tackle complex challenges, meet our customers' toughest requirements, and deliver high-impact results on time, on budget and have fun while doing it.
Software Engineer III, Looker Developer Infrastructure and Tooling Google LLCSoftware Engineer III, Looker Developer Infrastructure and ToolingCambridge, MAWe"re looking for engineers who bring fresh ideas from all areas, including information retrieval, distributed computing, large-scale system design, networking and data storage, security, artificial intelligence, natural language processing, UI design and mobile; the list goes on and is growing every day. As a software engineer, you will work on a specific project critical to Google's needs with opportunities to switch teams and projects as you and our fast-paced business grow and evolve.
Senior Full Stack Software Developer Waters CorporationSenior Full Stack Software DeveloperMilford, MassachusettsWe collaborate with customers around the world to advance the release of effective, high-quality medicines, ensure the safety of food and water, and drive better patient outcomes by detecting diseases earlier, managing routine infections, and combating antibiotic resistance. Company Description: Waters Corporation (NYSE:WAT) is a global leader in life sciences and diagnostics, dedicated to accelerating the benefits of pioneering science through analytical technologies, informatics, and service.
Network Software Developer KBR IncNetwork Software DeveloperLexington, MA$101,500–$152,200 / yearInnovative Projects: Enable critically important communications over vast distances by being the team member to innovate and overcome technical challenges as we spearhead new solutions through advanced prototyping. Individuals in this position operate as part of an MIT LL team and are responsible for developing software related to software defined networking, routing protocols, and associated software infrastructure.
Associate Software Developer Genesis10Associate Software DeveloperBoston, MA$50,000–$60,000 / yearFull timeProgramming experience (minimum 6 months), shown on your resume, from academic coursework, hands-on projects, or professional work in one or more of the following languages: Java, Python, C, C#, C++, JavaScript, R, SQL, MATLAB, Mathematica, TypeScript, Shell scripting, Go, or Kotlin. A recent STEM degree (e.g., Computer Science, Information Technology, Engineering, or a related discipline) OR 12+ months of professional work experience in finance, healthcare, banking, insurance, hospitality, or aviation.
Senior Back End Software Developer (AI, Java, Vert.x, AWS) - Remote US Revvity IncSenior Back End Software Developer (AI, Java, Vert.x, AWS) - Remote USWaltham, MARemote$130,000–$158,000 / yearIf you are looking to join an international team of talented engineers, designers, and product managers, and to contribute to delivering amazing, high impact, customer-focused features, this is a great opportunity. The base pay actually offered to the successful candidate will take into account internal equity, work location, and additional factors, including job-related skills, experience, and relevant education or training.
Software Developer In Test – Back Office Systems Cartera CommerceSoftware Developer In Test – Back Office SystemsLexington, MassachusettsAs a key member of the Quality Engineering Team, the Back Office (BOSS) QA Engineer will collaborate with software developers, operations engineers and project managers to understand client requirements and develop the test approach for verification of sites and data. With guidance from QE technical leads, your primary role will be to define, develop, and execute test suites in support of the Cartera’s solutions during our mission-critical pre-holiday shopping period.
Principal Software Developer - SafeTrace Haemonetics CorpPrincipal Software Developer - SafeTraceBoston, MA$103,600–$176,400 / yearWe are seeking a Principal Software Developer to drive the technical direction of SafeTrace Tx, our industry-leading transfusion management software trusted by hundreds of hospitals to deliver complete testing and transfusion histories in a single, consolidated patient record. As a principal-level contributor, you will lead the design of scalable integrations with hospital information systems such as Epic, applying service-oriented and event-driven architecture principles to ensure reliable, real-time communication from the blood bank to the bedside.
Software Developer Aquila TechnologySoftware DeveloperLexington, MARemoteThe team is looking for a software developer with a strong C++ object-oriented programming background who will join a team of software developers, system engineers, and algorithm developers who are rapidly prototyping advanced sensor control and signal processing systems. Tuition & Training Reimbursement - 5K annually for pre-approved, Eligible full-time team members who have completed a minimum of six (6) months of employment may apply for tuition reimbursement for approved, job-related courses taken through an accredited college or university.
Sr. Software Developer - C#/WPF for UI/UX Development EsriSr. Software Developer - C#/WPF for UI/UX DevelopmentBoston, MARemote$123,136–$202,488 / yearThis is a great opportunity to join a fast-paced agile team that works with the latest technologies and patterns, asynchronous programming, and MVVM to design and develop next-gen Esri software. Design, develop, and build software components, frameworks and SDKs for other engineering teams and external developers consuming our API.
Lead Software Developer STRLead Software DeveloperWoburn, MA$157,000–$223,000 / yearYou will be a member of a dynamic group of research engineers across STR, academic researchers, and industry partners to develop practical and effective solutions to RF sensing and counter-sensing challenges. Offers are based on factors, such as but not limited to, the candidate's experience, education, training, key skills/critical skills, security clearances, and prevailing market and business conditions.
Principal Software Developer - BloodTrack Tx (C++ expert) Haemonetics CorpPrincipal Software Developer - BloodTrack Tx (C++ expert)Boston, MA$103,600–$176,400 / yearAs a principal-level contributor, you will apply deep expertise across C++, iOS, Android, NET, and TypeScript/JavaScript to unify a multi-platform product surface under coherent architectural principles - leveraging event-driven design to propagate transfusion events in real time, service-oriented architecture to integrate cleanly with SafeTrace Tx and hospital information systems. This is a uniquely complex and multi-surface engineering challenge: BloodTrack Tx spans embedded workstation software, native mobile applications, and cloud-connected backend services - all operating in high-stakes clinical environments where a missed verification or dropped event can directly impact patient safety.
Principal Software Developer - TEG (strong AWS background required) Haemonetics CorpPrincipal Software Developer - TEG (strong AWS background required)Boston, MA$103,600–$176,400 / yearAs a principal-level contributor, you will own the end-to-end architecture strategy for the TEG Manager platform - spanning device connectivity, data ingestion pipelines, and REST API design that integrates with hospital information systems and downstream clinical workflows. We are seeking a Principal Software Developer to lead the technical evolution of TEG Manager, our centralized hemostasis management platform that delivers real-time TEG 6s and TEG 5000 analyzer data to clinicians across operating rooms, ICUs, and emergency departments.
Senior Software Developer Interra HealthSenior Software DeveloperBoston, MassachusettsRemoteFormed through the merger of DoseSpot, Arrive Health, and pVerify, Interra Health delivers trusted eligibility, real-time coverage and pricing insights, prescribing tools, and pharmacy transparency at the point of care—helping providers make informed decisions and patients access the right medications with greater clarity and affordability. Backed by strong market momentum and a bold vision for the future of connected care, Interra Health offers the chance to join an innovative, mission-driven team working at the intersection of software and healthcare to reduce friction, improve access, and make the healthcare experience better for everyone.
Senior Software Developer (Hybrid or Remote) Onebeacon Professional Insurance IncSenior Software Developer (Hybrid or Remote)MARemote$128,000–$149,000 / yearYou'll architect microservices, craft elegant UIs, and automate CI/CD - all while mentoring a high‑impact squad and partnering with product, design, and underwriting to turn complex needs into simple, scalable software that delights users and moves the business. In return, we promise you support, opportunities and performance-led financial rewards in a flexible work environment where you can: Shape the future: Help us lead an insurance transformation to better protect people, businesses and society.
Senior Front End Software Developer (AI, React, JavaScript) - Remote US Revvity IncSenior Front End Software Developer (AI, React, JavaScript) - Remote USWaltham, MARemote$130,000–$158,000 / yearWe are looking for a Senior Frontend Software Developer (AI, React, JavaScript) to create secure, performant, cross-platform single page applications and widgets; Collaborate with fellow team members on priorities, specifications, and feature implementation; Craft well-documented, reusable, and testable code; Build and maintain new, high impact functionality into Signals Notebook. Someone to also demonstrate extensive experience building single page applications with some experience with React/Typescript; Have an eye for design and aesthetics of an application; Have a deep understanding of frontend application structure and architecture.
Software Developer LancesoftSoftware DeveloperLexington, MA$120The group is looking for a software developer with a strong C++ object-oriented programming background who will join a team of software developers, system engineers, and algorithm developers who are rapidly prototyping advanced sensor control and signal processing systems. Challenging development activities will directly contribute to the prototyping of advanced Electro-Optical/Infrared control systems and may involve field testing of said systems.
Software Developer (.NET) Spyglass Partners, LLCSoftware Developer (.NET)Remote (EST time zone), NHRemoteSpyglass Partners LLC has over 20 years of experience as a nationwide staffing firm and is your ideal source for all your project-based temporary and direct-hire staffing needs. Spyglass Partners excels in placing contract and direct-hire resources across all aspects of IT, Accounting & Finance, Sales/Marketing, HR, and Executive roles.
Software Developer II Idexx Laboratories IncSoftware Developer IIMA$90,000–$100,000 / yearAn innovation leader in every industry we serve, we follow our Purpose and Guiding Principles to help pet owners worldwide keep their companion animals healthy and happy, to ensure safe drinking water for billions, and to help farmers protect livestock and poultry from diseases. IDEXX values a diverse workforce and workplace and strongly encourages women, people of color, LGBTQ+ individuals, people with disabilities, members of ethnic minorities, foreign-born residents, and veterans to apply.
Senior Software Developer (Hybrid) Intact Specialty SolutionsSenior Software Developer (Hybrid)Canton, MassachusettsYou’ll architect microservices, craft elegant UIs, and automate CI/CD — all while mentoring a highâimpact squad and partnering with product, design, and underwriting to turn complex needs into simple, scalable software that delights users and moves the business. In return, we promise you support, opportunities and performance-led financial rewards in a flexible work environment where you can: Shape the future: Help us lead an insurance transformation to better protect people, businesses and society.
Entry Level Software Developer SkillStormEntry Level Software DeveloperBoston, MAVeterans and transitioning service members: this model - structured training, a clear mission, clearance-eligible work, relocation handled - is built for the way you already operate. You''ll spend 12 weeks in paid, hands-on training working real, team-based projects - then deploy directly to an enterprise or government client, effective day one.
Senior Full Stack Software Developer Nexamp IncSenior Full Stack Software DeveloperBoston, MA$170,000–$190,000 / yearIn addition to base salary, the competitive compensation package may include, depending on the role, participation in an incentive program linked to performance (for example, annual bonus programs based on individual and company performance, non-annual sales incentive plans, or other non-annual incentive plans). You'll be the front-end lead on the squad and will drive impact by writing quality code, steering projects from conception to completion, helping refine our processes, and guiding more junior team members.
Software Developer Massachusetts Institute of TechnologySoftware DeveloperCambridge, MAResponsibilities include Software and Machine Learning Development of machine learning models using established frameworks such as PyTorch and PyTorch Lightning; Cloud Infrastructure and Containerization using Docker and Kubernetes, with a primary focus on AWS Elastic Kubernetes Service (EKS); design and maintain continuous integration and continuous deployment (CI/CD) pipelines to automate testing, validation, and deployment of research software; and support reproducible build and deployment processes consistent with academic and research best practices. Will implement and maintain application and infrastructure monitoring using tools such as Prometheus and Grafana; collect and analyze application usage and performance metrics using platforms such as Google Analytics or comparable tools; and assist in diagnosing and resolving software and infrastructure issues affecting research applications.
NewTechnical Lead - Software Developer, Data Foundry Eli Lilly and CoTechnical Lead - Software Developer, Data FoundryBoston, MA$151,500–$244,200 / yearOur current groups include: Africa, Middle East, Central Asia Network, Black Employees at Lilly, Chinese Culture Network, Japanese International Leadership Network (JILN), Lilly India Network, Organization of Latinx at Lilly (OLA), PRIDE (LGBTQ+ Allies), Veterans Leadership Network (VLN), Women's Initiative for Leading at Lilly (WILL), enAble (for people with disabilities). Data Foundry is a multidisciplinary team within DTP that enables AI-native drug discovery through four integrated pillars: Architecture4Insight (data infrastructure and scientific software), Methods4Insight (analytical and computational methods), Automation & Scale4Insight (lab automation and agentic workflows), and Preparedness4Insight (data governance and readiness).
Assistant Staff: Software Developer MIT Lincoln LaboratoryAssistant Staff: Software DeveloperLexington, MA$100,200–$120,000 / year
Software Developer Intern - Dewar (Hybrid) Onebeacon Professional Insurance IncSoftware Developer Intern - Dewar (Hybrid)Quincy, MAIn return, we promise you support, opportunities, and performance-led financial rewards in a flexible work environment where you can: Shape the future: Help us lead an insurance transformation to better protect people, businesses, and society. Assist in building and optimizing SQL queries, stored procedures, and database structures to support application functionality and reporting needs.
Principal Software Engineer/Developer FidelityPrincipal Software Engineer/DeveloperBoston, MassachusettsRemoteEducation and Experience : Bachelor’s degree in Computer Science, Engineering, Information Technology, Information Systems, or a closely related field (or foreign education equivalent) and five (5) years of experience as a Principal Software Engineer/Developer (or closely related occupation) architecting distributed web applications using Node.js or JavaScript and HTML within an Agile environment. Or, alternatively, Master’s degree in Computer Science, Engineering, Information Technology, Information Systems, or a closely related field (or foreign education equivalent) and three (3) years of experience as a Principal Software Engineer/Developer (or closely related occupation) architecting distributed web applications using Node.js or JavaScript and HTML within an Agile environment.
Senior Software Engineer/Developer FidelitySenior Software Engineer/DeveloperMerrimack, New HampshireEducation and Experience : Bachelor’s degree in Computer Science, Engineering, Information Technology, Information Systems, or a closely related field (or foreign education equivalent) and three (3) years of experience as a Senior Software Engineer/Developer (or closely related occupation) developing and deploying applications built on Salesforce CRM Platform, using configuration, programmatic customization, and Continuous Integration/ Continuous Deployment (CI/CD) tools – Bitbucket or Git, and Jenkins. Or, alternatively, a Master’s degree in Computer Science, Engineering, Information Technology, Information Systems, or a closely related field (or foreign education equivalent) and one (1) year of experience as a Senior Software Engineer/Developer (or closely related occupation) developing and deploying applications built on Salesforce CRM Platform using configuration, programmatic customization, and Continuous Integration/ Continuous Deployment (CI/CD) tools – Bitbucket or Git, and Jenkins.
Assistant Staff: Software Developer Lincoln LaboratoryAssistant Staff: Software DeveloperLexington, MA$100,200–$120,000 / yearAs such, this groups activities include: the extraction of target and feature information from airborne and space-borne hyperspectral imagery; system support of National Oceanic and Atmospheric Administration (NOAA) environmental satellites in performance analysis and improvement of existing sensors and products; architecture definition and sensor development support for next-generation U.S. Government satellite systems; and chemical agent detection sensor system development. The final salary offered to a selected candidate will depend on various factors, including-but not limited to-the scope and responsibilities of the role, the candidate's experience, skills and education/training, internal equity considerations and applicable legal requirements.
Software Engineer II, Developer Experience CarGurus IncSoftware Engineer II, Developer ExperienceBoston, MA$112,000–$141,000 / yearFacilitate the modernization of an internal developer portal into an AI-first developer platform introducing AI-powered tooling to streamline workflows enhancing the developer experience and supporting large-scale multi-repository engineering environments. Position Pay Range 112000 - 141000 USD Working at CarGurus We reward our Gurus curiosity and passion with best-in-class benefits and compensation including equity for all employees both when they start and as they continue to grow with us.
Fixed Income Software Developer Pyramid, IncFixed Income Software DeveloperBoston, MA$48–$50 / hourFull timeBy applying to our jobs you agree to receive calls, AI-generated calls, text messages, or emails from Pyramid Consulting, Inc. and its affiliates, and contracted partners. Carriers are not liable for delayed or undelivered messages.
Software Developer CareerscapeSoftware DeveloperBoston, MA$90,000–$120,000 / yearFull timeYou will work closely with cross-functional teams to design, develop, and implement software solutions that meet client needs. In this role, you will be responsible for writing high-quality code, participating in code reviews, and contributing to architectural decisions.
Senior Software Engineer - Developer Infrastructure Klaviyo IncSenior Software Engineer - Developer InfrastructureBoston, MA$148,000–$222,000 / yearIn addition to base salary, our total compensation package may include participation in the company's annual cash bonus plan, variable compensation (OTE) for sales and customer success roles, equity, sign-on payments, and a comprehensive range of health, welfare, and wellbeing benefits based on eligibility. As a Senior Software Engineer on this team, you will help define and execute the technical roadmap for Klaviyo''s backend platform - from dependency management and major framework upgrades to developer productivity tools that reduce toil and accelerate velocity.