Staff Software Engineer, Flights NavanStaff Software Engineer, FlightsNew York, NY$129,600–$288,000 / yearSolve Complex and Ambiguous Problems: Apply deep technical expertise and creativity to turn highly ambiguous problem spaces into clear, actionable technical solutions, addressing large-scale engineering challenges, and driving improvements in reliability, performance, and user experience. Collaborate Across Teams: Work effectively as part of a global, cross-functional team, partnering with fellow engineers, product managers, designers, and business leaders to deliver impactful solutions and elevate team performance.
NewSenior Software Engineer, Backend DuolingoSenior Software Engineer, BackendNew York, NY$182,800–$247,300 / yearYou'll partner closely with the Score Pillar's product and design team and our iOS and Android engineers, working on the systems that power score calculation, proficiency modeling, and how score surfaces across the app - including integrations with external platforms like LinkedIn, so learners can showcase their proficiency beyond Duolingo. As a Backend Engineer on the Ads team, you'll work on a product engineering team responsible for growing and scaling Duolingo's ads business: high-quality ads that delight learners, fit seamlessly into the product experience, and meaningfully contribute to our bottom line.
NewSenior/Software Engineer II, Backend DuolingoSenior/Software Engineer II, BackendNew York, NY$182,800–$247,300 / yearYou'll partner closely with the Score Pillar's product and design team and our iOS and Android engineers, working on the systems that power score calculation, proficiency modeling, and how score surfaces across the app — including integrations with external platforms like LinkedIn, so learners can showcase their proficiency beyond Duolingo. As a Backend Engineer on the Ads team, you'll work on a product engineering team responsible for growing and scaling Duolingo's ads business: high-quality ads that delight learners, fit seamlessly into the product experience, and meaningfully contribute to our bottom line.
Software Engineer, Strategic Projects Tailscale IncSoftware Engineer, Strategic ProjectsNYRemote$163,000–$226,000 / yearYou''ll work shoulder-to-shoulder with product-minded engineers from the moment an idea takes shape, shaping how it''s built so it holds up later, and co-owning the work of making it production-grade: stable, observable, maintainable, and ready for real customer load. You''ll work directly with reference customers on integrations and own the production bar on prototypes that graduate into Tailscale''s product surface area, ensuring the security, review, and operational practices that wrap around agent-generated code actually hold in production.
Staff Software Engineer, Flights Navan IncStaff Software Engineer, FlightsNew York, NY$129,600–$288,000 / yearSolve Complex and Ambiguous Problems: Apply deep technical expertise and creativity to turn highly ambiguous problem spaces into clear, actionable technical solutions, addressing large-scale engineering challenges, and driving improvements in reliability, performance, and user experience. Collaborate Across Teams: Work effectively as part of a global, cross-functional team, partnering with fellow engineers, product managers, designers, and business leaders to deliver impactful solutions and elevate team performance.
Software Engineer, Engineering Platform Ramp Business CorpSoftware Engineer, Engineering PlatformNew York, NYWe are building the systems that let engineers and AI agents work together effectively in Ramp's large, complex codebases: clear abstractions, orchestration, reliable workflows, fast feedback loops, and strong guardrails are now even more important. Identify repetitive or error-prone engineering workflows, then build automation that helps engineers and AI agents complete them faster, more consistently, and more safely.
Specialist Software Engineer Metropolitan Transportation AuthoritySpecialist Software EngineerNew York, NY$114,070–$134,641 / yearA software engineering industry certification is preferred, including but not limited to: Certified Scrum Developer (CSD), Certified Scrum Master (CSM), Certified Software Development Professional (CSDP), Certified Secure Software Lifecycle Professional (CSSLP), Amazon Certified: AWS Certified Developer, Microsoft Certified: Azure Developer, Certified Software Test Professional (CSTP). Software engineers are responsible for designing, coding, verifying, testing, documenting, amending, and refactoring programs/scripts and integration software services, and maintaining high-quality software to meet business and customer needs.
NewSoftware Engineer, Backend Seesaw Learning IncSoftware Engineer, BackendNY$172,500–$200,000 / yearAbout Us: Trusted and loved by 25 million educators, students, and families worldwide, Seesaw is the world's leading elementary learning experience company, offering an award-winning platform and a suite of digital curriculum products for teachers to deliver joyful, accessible instruction. This means expertise with the implementation of HTTP APIs, interaction of API code with data storage layers, infrastructure provisioning, and a thorough grasp on how software goes from being built by dozens of developers, tested, shipped, and run at scale with rock-solid reliability.
Senior Software Developer, Lexington American International GroupSenior Software Developer, LexingtonParsippany, NJ$86,000–$106,000 / yearHow you will create impact: The Senior Software Developer will provide development support regarding the design, coding, testing, documentation, and the implementation of complex changes, relating to a variety of applications that support the Western World / Lexington businesses. Collaborate closely with business stakeholders and other development team members to deliver products, clarify objectives, provide reliable estimates, formulate detailed delivery plans, determine scope, drive consensus, identify problems and recommend solutions.
NewSoftware Developer at RCSB PDB Rutgers The State University of New JerseySoftware Developer at RCSB PDBNew Brunswick, NJ$110,000–$160,000 / yearUnder Policy 100.3.1 Immunization Policy for Covered Individuals, if employment will commence during Flu Season, Rutgers University may require certain prospective employees to provide proof that they are vaccinated against Seasonal Influenza for the current Flu Season, unless the University has granted the individual a medical or religious exemption. The work at RCSB PDB (rcsb.org) focuses on data processing, validation, integration, and transformation, and the presentation and visualization of data using complex interactive graphical user interfaces.
AI Software Developer The BoathouseAI Software DeveloperWestport, Connecticut$25–$75The Boathouse is an award-winning creative agency with clients including Apple, Netflix, Verizon, SingleCare, Lovesac, Roomba and more. Please send link to Portfolio, including Apps Built with description of systems used to build.
Sr Software Developer - Trading Platform Interactive Brokers Group Inc.Sr Software Developer - Trading PlatformGreenwich, CTWellness screening and assessments, health coaches, and counseling services through an Employee Assistance Program (EAP)Generous paid parental leave (up to 16 weeks paid parental leave for eligible employees)Company-paid basic life insurance, accidental death & dismemberment (AD&D), and short- and long-term disability coverageFlexible Spending Accounts (Healthcare, Dependent Care, and Commuter FSAs)Quarterly fitness stipend to offset costs associated with traditional gym and fitness memberships or feesEducation reimbursement and professional development opportunitiesLegal services, telehealth access, and voluntary insurance optionsBackup child and adult care support through Care.comDaily lunch allowance and fully stocked kitchen with healthy breakfast and snack options. This is a hybrid role (3 days in the office/2 days remote).About your team:The Interactive Brokers Trading team is seeking an experienced Senior Software Developer to join the group building the high-performance, scalable trading application that our clients use to trade stocks, futures, options, and other financial instruments.
Lead Software Developer - GPU-accelerated Free Energy Simulation and Machine Learning Methods Rutgers The State University of New JerseyLead Software Developer - GPU-accelerated Free Energy Simulation and Machine Learning MethodsNew Brunswick, NJThe Laboratory for Biomolecular Simulation Research ( http://lbsr.rutgers.edu ) and Institute for Quantitative Biomedicine ( https://iqb.rutgers.edu/ ) at Rutgers, the State University of New Jersey, is seeking a high-level software development scientist to create new modern free energy simulation and quantum mechanical/artificial intelligence tools. Duties will involve software development, testing and documentation, applications within drug discovery workflows including performing simulations of relative and absolute ligand-protein binding, analysis of thermodynamic graphs, maintaining currency in the relevant literature and state-of-the-art technology, and actively engage in a team environment.
Senior Software Engineer, AI Developer Experience AsanaSenior Software Engineer, AI Developer ExperienceNew York City, NY$202,000–$230,000 / yearDesign and build AI-augmented workflows and systems that help coding agents understand the codebase, follow engineering practices, and enable Asana engineers to complete software development tasks faster and with more confidence. Hands-on experience with AI-assisted development tools (such as Cursor, Claude Code, or Codex), or extending coding agents, MCP-based integrations, AI-powered code review systems, or agent skill/tool ecosystems.
Staff Software Engineer, AI Developer Experience AsanaStaff Software Engineer, AI Developer ExperienceNew York City, NY$248,000–$282,000 / yearDesign and build AI-augmented workflows and systems that help coding agents understand the codebase, follow engineering practices, and enable Asana engineers to complete software development tasks faster and with more confidence. As part of the AI Developer Productivity team, you'll set technical direction and build the next generation of AI-powered developer tools across editors, IDEs, CLIs, code review, and cloud and local coding agents.
NewSoftware Engineer, Developer Platform Notion Labs IncSoftware Engineer, Developer PlatformNew York, NY$213,000–$320,000 / yearWhat Youll Achieve: You'll work with a team of engineers and cross-functional partners across product, design, data science, and user research to define a product strategy and drive execution through conception, research, implementation, and maintenance. You'll evolve Developer Platform capabilities across APIs, MCP tools, and integration infrastructure that help customers automate workflows, customize Notion, and connect Notion to the tools and data they use every day.
NewRemote Software Developer TuringRemote Software DeveloperNew York, New YorkRemote$200–$300Turing supports customers in two ways: first, by accelerating frontier research with high-quality data, advanced training pipelines, plus top AI researchers who specialize in software engineering, logical reasoning, STEM, multilinguality, multimodality, and agents; and second, by applying that expertise to help enterprises transform AI from proof of concept into proprietary intelligence with systems that perform reliably, deliver measurable impact, and drive lasting results on the P&L. This includes curating code examples, providing precise solutions, and making corrections in Python, JavaScript (including ReactJS), C/C++, Java, Rust, and Go; evaluating and refining AI-generated code for efficiency, scalability, and reliability; and working with cross-functional teams to enhance enterprise-level AI-driven coding solutions.
Senior Software Developer - Client Tax Interactive Brokers Group Inc.Senior Software Developer - Client TaxGreenwich, CTOver your first two years, your responsibilities will include: Maintaining and improving the enterprise brokerage tax form collection and reporting systemMaintaining and improving related Oracle data models and XML schemasMaintaining and improving processing and reporting Java programsExtracting technical requirements from business specifications for the tax form collection and reporting systemPlanning and implementing end-to-end system improvements across the full technology stackAnalyzing and resolving production incidents, ensuring system stability and reliabilityAnalyzing resource usage and scalability bottlenecks and implementing targeted improvementsPlanning and implementing a transition from a bulk processing model to an event-based processing architectureThis is a highly impactful role where your contributions will directly shape the reliability, scalability, and evolution of a core enterprise platform. Our core responsibilities include: Maintaining and continuously improving the enterprise brokerage tax form collection and reporting systemMaintaining and improving the Oracle data models and XML schemas that underpin our tax data architectureMaintaining and improving the Java-based processing and reporting programs that drive our tax workflowsWe are a technically focused team operating at the intersection of financial services and enterprise software engineering, building and evolving mission-critical systems that serve clients at scale.
Lead Software Developer WebMD Health CorpLead Software DeveloperNewark, NJ$105,000–$120,000 / yearProven experience architecting and managing third-party API connections, custom registration logics, and platform integrations (expertise with STOVA, Sitecore, or similar event management software and Webflow is highly preferred). As a strategic lead, you will be responsible for: Serve as the primary technical lead for stateside and offshore development teams proactively guiding projects of our proprietary web applications, global platforms, and educational infrastructures.
Java Developer SGA Inc.Java DeveloperTarrytown, NY$65–$70 / hourRequired Skills : Bachelor's in Computer Science or Information Technology + 2 years experience as Java Developer, Software Developer, Software Engineer, Programmer Analyst, Protocol Analyst or related. Responsibilities : Design, implement and enhance the back-end services and front-end web using technologies including Java, Spring Boot, Hibernate, Angular and Typescript.