Senior Software Engineer DS TechnologiesSenior Software EngineerWaltham, MassachusettsJob Title: Senior Software Engineer Location: Waltham, MA 02451 (Onsite) Position Type: ContractOnly W2 Senior Software Engineer (OnSite) - Full stack development- Min 5+ years of experience very strong in both Front end & Back end development. Familiarity with Microsoft SQL Server including data modeling, SQL query design, optimization and Linq queries.
Senior Embedded Software Engineer The Charles Stark Draper LaboratorySenior Embedded Software EngineerCambridge, MassachusettsIf you have experience in one or more of the following operating systems: VxWorks, GHS Integrity, FreeRTOS, RTEMS, experience with board bring up, software development utilizing C, C++ or RUST languages for ARM, RISC-V or PowerPC processors, device drivers development, knowledge of compilers, make files and linker scripts, experience with in-circuit emulators, JTAG debuggers, and laboratory test equipment such as logic analyzers and oscilloscopes, and familiarity with modern software development tools for version control then this embedded systems technology group is for you. Draper supports many programs to improve work-life balance including workplace flexibility, employee clubs ranging from photography to yoga, health and finance workshops, off site social events and discounts to local museums and cultural activities.
Principal Embedded Software Engineer The Charles Stark Draper LaboratoryPrincipal Embedded Software EngineerCambridge, MassachusettsDraper supports many programs to improve work-life balance including workplace flexibility, employee clubs ranging from photography to yoga, health and finance workshops, off site social events and discounts to local museums and cultural activities. The Embedded Software Engineer (PMTS) provides technical expertise and leadership for the development of complex, real-time embedded software applications in resource constrained computing environments.
Associate Software Engineer KayakAssociate Software EngineerConcord, MassachusettsWe offer a competitive base salary and benefits including: health benefits; flexible spending account; retirement benefits; life insurance; paid time off (including PTO, paid sick leave, medical leave, bereavement leave, floating holidays and paid holidays); and parental leave benefits. We're looking for a curious, collaborative Associate Front End Software Engineer to join our Cars Meta UI team — the group responsible for the Cars search experience used by millions of travelers every day.
Sr. Software Engineer - Analytics Babel StreetSr. Software Engineer - AnalyticsSomerville, Massachusetts$130,000–$155,000 / yearWe deliver advanced AI and data analytics solutions providing unmatched, analysis-ready data regardless of language, proactive risk identification, 360-degree insights, high-speed automation, and seamless integration into existing systems. Since our platform is multilingual and can match records across languages, your linguistic insights can directly inform how we build and polish the NLP and computational linguistics components that make our record matching world-class.
Backend Engineer - Devex Team Next InsuranceBackend Engineer - Devex TeamBoston, MAUsing a wide variety of advanced technologies and tools, programming languages and cloud services, you will help us understand the challenges that our platform needs to resolve, then plan and execute projects that will improve the developers day to day and help them innovate and bring value to the business. What You'll Do: Shape the Future of SDLC: Take a key leadership role in building our Agentic (AI-based) Software Development Life Cycle, moving beyond automation to a world where AI agents assist in designing, coding, testing, and deploying.
Lead Software Engineer FIrefly HealthLead Software EngineerWatertown, MA$150,000–$180,000 / yearFirefly Health is building a revolutionary new type of comprehensive health "care and coverage," powered by a relationship-driven care team, a trusted virtual and in-person clinical network, and our proprietary technology platform. The engineering team's goal is to create an integrated, intelligent platform that proactively manages healthcare at scale and makes high-quality benefits accessible and engaging for all.
Senior Software Engineer, AI/ML Datalign Advisory Inc.Senior Software Engineer, AI/MLCambridge, MAWe’ve served 100,000+ consumers, referred $80B+ in assets to 13,000+ advisors, won Financial Advisory Platform of the Year at the 2026 FinTech Breakthrough Awards, and recently opened our compliance-by-design agentic AI platform to advisory firms across the industry. Keep It Secure: Implement reliability, safety, and security guardrails for AI products, including PII handling/redaction, access controls, prompt-injection defenses, auditability, and pragmatic human-in-the-loop workflows where needed.
Lead Software Engineer, Backend DK Crown HoldingsLead Software Engineer, BackendBoston, MassachusettsA strong track record of mentoring engineers, leading code and design reviews, and driving high-impact technical decisions across cross-functional teams. Deep experience developing and maintaining comprehensive automated test suites, including unit, integration, and performance tests, to ensure system resilience and scalability.
Principal Software Developer - Bloodtrack (C++ Expert) Haemonetics Corp.Principal Software Developer - Bloodtrack (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.
NewSoftware Autonomy Engineer The Charles Stark Draper LaboratorySoftware Autonomy EngineerCambridge, MassachusettsDraper supports many programs to improve work-life balance including workplace flexibility, employee clubs ranging from photography to yoga, health and finance workshops, off site social events and discounts to local museums and cultural activities. The Autonomy Engineer will work on cutting-edge defense systems that is fielded by the US Government and commercial customers in aerial, ground, underwater, and space domains.
NewSenior Software Autonomy Engineer The Charles Stark Draper LaboratorySenior Software Autonomy EngineerCambridge, MassachusettsDraper supports many programs to improve work-life balance including workplace flexibility, employee clubs ranging from photography to yoga, health and finance workshops, off site social events and discounts to local museums and cultural activities. The Senior Autonomy Engineer will work on cutting-edge defense systems that is fielded by the US Government and commercial customers in aerial, ground, underwater, and space domains.
Principal Software Quality Engineer The Charles Stark Draper LaboratoryPrincipal Software Quality EngineerCambridge, MassachusettsDraper supports many programs to improve work-life balance including workplace flexibility, employee clubs ranging from photography to yoga, health and finance workshops, off site social events and discounts to local museums and cultural activities. Reviews SOW (Statements of Work), RFP (Request for Proposals), design plans, process procedures, test procedures, and manuals, to understand the scope, requirements, and function of products.
Staff Engineer, Software - Autonomous Aircraft Integration Shield AIStaff Engineer, Software - Autonomous Aircraft IntegrationBoston, MAFlight Data Capture & Analysis — Manage data collection during missions and post-test analysis, working with autonomy engineers to refine behaviors and identify improvements. • Collaboration Across Teams — Work closely with autonomy, GNC, systems, and test teams to ensure mission-critical functionality is delivered on time and validated thoroughly.
Lead Software Platform Engineer, MLOps TetraScienceLead Software Platform Engineer, MLOpsCambridge, MARemoteIntegrate AI models and large language models (LLMs) into production systems using architectures like retrieval-augmented generation (RAG), and architect the agentic layer above them: tool and function calling, MCP-based tooling, and agent runtimes, deciding what belongs in the platform versus in the applications built on top of it. You will architect the cloud-based services and MLOps infrastructure that enable production-grade AI/ML workflows, working closely with Applied AI engineers, data engineers, and platform teams, and you will act as the technical design authority for how models, LLMs, and agents run in production.
Senior Software Engineer- 180783 PeopleSERVE, Inc.Senior Software Engineer- 180783Boston, MAThe Skills You Bring Expert knowledge and experience of taking complex features and breaking them into clear and concise stories with well-defined business value and acceptance criteria. The Trade Management Engineering group is the team responsible for providing trading solutions for Fidelity's Capital Markets division.
Software Development Engineer: 26-01878 Akraya Inc.Software Development Engineer: 26-01878North Reading, MA$45–$55 / hourMost recently, we were recognized Stevie Employer of the Year 2025, SIA Best Staffing Firm to work for 2025, Inc 5000 Best Workspaces in US (2025 & 2024) and Glassdoor's Best Places to Work (2023 & 2022)! Ability to design large-scale, object-oriented systems with a focus on scalability, APIs, data models, fault tolerance, and handling real-world scenarios (elevator systems, scheduling systems).
Software Machine Learning Engineer (Teradyne, North Reading, MA) Teradyne, Inc.Software Machine Learning Engineer (Teradyne, North Reading, MA)North Reading, MA$116,500–$186,400 / yearYou will work closely with cross-functional teams to build scalable ML systems that model complex relationships in engineering data, optimize decision-making processes, and provide transparent, explainable insights. As a Machine Learning Engineer, you will design, develop, and deploy applied AI solutions with a good knowledge on graph machine learning, reinforcement learning, and interpretable AI.
Software Dev Engineer I: 26-01951 Akraya Inc.Software Dev Engineer I: 26-01951North Reading, MA$55–$57.41 / hourMost recently, we were recognized Stevie Employer of the Year 2025, SIA Best Staffing Firm to work for 2025, Inc 5000 Best Workspaces in US (2025 & 2024) and Glassdoor's Best Places to Work (2023 & 2022)! As Talent solutions provider for Fortune 100 Organizations, Akraya's industry recognitions solidify our leadership position in the IT staffing space.
Software Senior Engineer II Vets HiredSoftware Senior Engineer IIBoston, MassachusettsREQUIREMENTS: The position requires a Bachelor's degree, or foreign equivalent, in Computer Science, Software Engineering, Chemical Engineering, or a related field plus five (5) years of experience in the job offered or a related occupation. Position also requires demonstrable experience with each of the following: Software Engineering skills in the following programming languages: Java, Python, and JavaScript.