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.
Software Engineer, Agent Dev Velocity Notion Labs IncSoftware Engineer, Agent Dev VelocityNew York, NY$214,000–$300,000 / yearYou will help evolve evals into a system, by enabling reusable eval workspaces and data-driven workflows that surface issues through data mining and continuous measurement. You will build systems for running and maintaining evals at scale, and you will help create durable benchmarks and datasets that keep us honest about quality over time.
Software Engineer II Interactive Brokers Group Inc.Software Engineer IIGreenwich, CTWellness screenings and assessments, health coaches and counseling services through an Employee Assistance Program (EAP)Daily company lunch allowance provided and a fully stocked kitchen with healthy options for breakfast and snackCorporate events including team outings, dinners, volunteer activities and company sports teamsEducation reimbursement and learning opportunities. Strong knowledge of object-oriented concepts, n-tier applicationsKnowledge of relational database concepts (Oracle is a plus).Hands-on experience with server-side programming, ideally with Java/JEE or C++, message-oriented systems, RESTful web services, and microservices.
Software Engineer III Interactive Brokers Group IncSoftware Engineer IIIGreenwich, CTThese applications support Funds and banking software handling client cash, brokerage operations, securities borrowing and lending, clearing operations including regulatory reporting, trade settlement and reconciliation, corporate action processing, client statements, reference data systems, and IPO processing, to name just a few. In addition, we also continuously work on our fully integrated internal development and operational tools used to handle functions such as software releases, job scheduling, service location and security frameworks, and build management tools.
Software Engineer, Platform RillaSoftware Engineer, PlatformNew York City, New YorkRESTful API design — you can architect and build APIs that external customers depend on, not just internal endpoints. We have over 1000 customers, including The Home Depot, KKR, Neighborly, and PulteGroup, using our product to enable AI sales coaching across their organization.
Software Engineer OOS ManagementSoftware EngineerBrooklyn, New York$90,000–$110,000 / yearThis role is ideal for someone who enjoys building real product features, taking responsibility for their work, and contributing to a team that values thoughtful engineering and continuous improvement. The ideal candidate is comfortable owning work end-to-end, solving problems independently, and collaborating closely with the team to deliver high-quality software.
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.
Staff+ Software Engineer, Inference Runtime Anthropic PBCStaff+ Software Engineer, Inference RuntimeNew York City, NY$405,000–$485,000 / yearThis research continues many of the directions our team worked on prior to Anthropic, including: GPT-3, Circuit-Based Interpretability, Multimodal Neurons, Scaling Laws, AI & Compute, Concrete Problems in AI Safety, and Learning from Human Preferences. You''ll pair with the team''s Engineering Manager, who owns hiring and people development, while you own the technical roadmap and drive the work, representing the team in cross-org efforts spanning serving, scaling, and accelerator teams.
Software Engineer, Frontend Squarespace IncSoftware Engineer, FrontendNew York City, NY$110,500–$178,250 / yearIn addition to the cash compensation above (which includes base salary and, where applicable for eligible roles, may include overtime pay), Squarespace employees are eligible to be granted an option to purchase our common stock. Our suite of products range from websites, domains, ecommerce, and marketing tools, as well as tools for scheduling with Acuity and creating and managing social media presence with Bio Sites and Unfold.
NewDeveloper Relations Engineer FD TechnologiesDeveloper Relations EngineerNew York, NY$125,000–$200,000 / yearPartner tightly with Product Management, Product Marketing, and Presales/TAM to align essential messaging to personas and verticals (hedge fund, market maker, asset manager), overcome market challenges, collect feedback, and improve the framework. Kdb+/q proficiency: experience handling low-latency time-series data, designing queries, building efficient data pipelines (data engineering), using attributes, and optimizing data storage/retrieval workflows.
Senior Software Engineer, Site Reliability ParabolaSenior Software Engineer, Site ReliabilityNew York, New YorkParabola is a workflow builder that makes it easy to organize and transform messy data from anywhere—even PDFs, emails, and spreadsheets—so that forward-thinking teams can automate the work they thought would always be manual. As a Senior Site Reliability Engineer on our rapidly growing team, you’ll measure how well our software is working, and from that baseline propel us towards high impact improvements that our customers value.
Scope Labs Software Engineer Scope LabsScope Labs Software EngineerNew York, New YorkOur founding team spent the last few years building, designing, and scaling products at places like Google, Tesla, Palantir, MIT, Finary, Scale AI, and others. We believe that a diverse and inclusive workplace fosters innovation and creativity, and we welcome candidates who share our values of respect, collaboration, and excellence.
Staff Software Engineer - Fullstack Sigma ComputingStaff Software Engineer - FullstackNew York City, NY$240,000–$270,000 / yearThe round was led by Princeville Capital, with new strategic investors Databricks Ventures, ServiceNow Ventures, and Workday Ventures participating alongside returning investors Altimeter Capital, Avenir Growth Capital, D1 Capital Partners, K5 Global, NewView Capital, Spark Capital, Sutter Hill Ventures, and XN. This milestone follows Sigma reaching $200M in annual recurring revenue in April 2026, with more than 100% year-over-year growth and 1.1 million new active users added in the latest fiscal year.
Staff Software Engineer, Production Engineering Harvey, Inc.Staff Software Engineer, Production EngineeringNew York, NY$231,000–$340,000 / yearOperate and continuously improve Harvey's Kubernetes platform, including cluster provisioning, upgrades, networking, monitoring, reliability, performance, and operational automation. Establish reusable patterns, tooling, and paved paths that help engineering teams ship and operate production services safely.