Principal Software Engineer: C/C++ Index Engines Inc.Principal Software Engineer: C/C++Holmdel, NJWe partner with awesome industry leaders like Dell Technologies, IBM, Lenovo/Infinidat, and Hitachi Vantara to power AI-driven cyber recovery across both primary and backup storage. You will collaborate with multiple engineering teams to assess product technology needs, and design robust software architectures to deliver innovative, high-impact solutions.
Principal Software Engineer - AI Foundations JPMorgan Chase Bank, N.A.Principal Software Engineer - AI FoundationsJersey City, NJFull timeArchitects and governs agentic AI-enabled engineering workflows (using enterprise-authorized tools within the work environment) to improve delivery speed, code quality, and operational outcomes at scale (e.g., AI-driven PR review assistance, test generation/maintenance, release readiness checks, incident triage and root-cause acceleration), while defining guardrails for validation, security, resiliency, and reuse across teams. As a Principal Software Engineer at JPMorganChase within the Chief Data and Analytics Office (CDAO), you provide expertise and engineering excellence as an integral part of an agile team to enhance, build, and deliver trusted market-leading technology products in a secure, stable, and scalable way.
Executive Director Principal Software Engineer - Athena Platform JPMorgan Chase Bank, N.A.Executive Director Principal Software Engineer - Athena PlatformNew York, NYFull timeArchitects and governs agentic AI-enabled engineering workflows (using enterprise-authorized tools within the work environment) to improve delivery speed, code quality, and operational outcomes at scale (e.g., AI-driven PR review assistance, test generation/maintenance, release readiness checks, incident triage and root-cause acceleration), while defining guardrails for validation, security, resiliency, and reuse across teams. As a Principal Software Engineer at JPMorganChase within the Asset & Wealth Management, Derivatives Team, you, you provide expertise and engineering excellence as an integral part of an agile team to enhance, build, and deliver trusted market-leading technology products in a secure, stable, and scalable way.
NewExecutive Director - Quantitative Research Principal Software Engineer JPMorgan Chase Bank, N.A.Executive Director - Quantitative Research Principal Software EngineerJersey City, NJFull timeArchitects and governs agentic AI-enabled engineering workflows (using enterprise-authorized tools within the work environment) to improve delivery speed, code quality, and operational outcomes at scale (e.g., AI-driven PR review assistance, test generation/maintenance, release readiness checks, incident triage and root-cause acceleration), while defining guardrails for validation, security, resiliency, and reuse across teams. As a Principal Software Engineer at JPMorganChase within the Asset & Wealth Management, Derivatives Platform Team, you provide expertise and engineering excellence as an integral part of an agile team to enhance, build, and deliver trusted market-leading technology products in a secure, stable, and scalable way.
Principal Software Engineer, Configuration Platform Toast IncPrincipal Software Engineer, Configuration PlatformNY$230,000–$368,000 / yearToast creates technology to help restaurants and local businesses succeed in a digital world, helping business owners operate, increase sales, engage customers, and keep employees happy. Our products run on a stack that ranges from guest and restaurant-facing Android tablets, to backend Kotlin and Java services, to internal, guest-facing, and restaurant-facing web apps.
NewPrincipal Software Engineer-M365 Copilot Microsoft CorpPrincipal Software Engineer-M365 CopilotNew York, NY$142,800–$274,800 / yearYou will set technical direction, partner with research and engineering teams to deliver best-in-class solutions, align senior stakeholders, drive the design of custom LLM architectures for product needs, and design the backend, data, and ML systems that empower teams across the organization - while mentoring engineers and raising the technical bar. The Copilot and Agents Core Office of the CTO shapes intelligent experiences across Microsoft 365 by bridging research and engineering, building core agent capabilities, incubating emerging technologies, and helping product teams scale high-quality AI features.
Principal Software Engineer - Innovation Studio Priority Technology Holdings, Inc.Principal Software Engineer - Innovation StudioNY$191,000–$249,000 / yearAbout Product & Technology at Priority: Our vision in Product & Technology is to engineer the world's most resilient, AI-native financial ecosystem that empowers businesses to transcend table-stakes and lead the agentic future, where every financial transaction is intelligent, every developer is accelerated, and every experience is unified. Allocate technical investment against strategy and defend it in business terms leadership accepts; own the area's delivery, reliability, security, and quality trends and make the case for investment with data.
NewPrincipal - Software Engineer GE Aerospace.Principal - Software EngineerNYRemote$152,000–$202,000 / yearWe are looking for a Principal Software Engineer to design and build full-stack applications to turn operational data into AI-driven decision tools that predict, recommend, and act to drive business outcomes. This is a hands-on, senior individual-contributor role: you''ll shape our AI application strategy, build front-end and back-end services, embed AI features into production products, and create new products to solve our hardest problems.
Principal Software Engineer Homecare Software Solutions LLCPrincipal Software EngineerNYRemote$165,000–$180,000 / yearExtensive experience architecting, building and delivering complex, high-performance SaaS solutions deployed in cloud environments (AWS or similar) using microservices and serverless architectures. Leadership in Design: Lead the end-to-end design and development of advanced healthcare analytics products, ensuring they are insightful, intuitive, scalable, reliable, secure, and high-performing.
Principal Software Engineer AstronomerPrincipal Software EngineerNew York, New YorkArchitect for Varied Isolation Levels : Oversee the architecture of a self-contained software platform, ensuring all services, images, dependencies, and configurations can run smoothly whether deployed in connected private clouds or highly secure, zero-egress networks. Control Plane & API Productization : Proven success building production-grade infrastructure control planes, with a deep understanding of API design principles required to support programmatic customer workflows and user interfaces.
Principal Software Engineer - Performance Microsoft CorpPrincipal Software Engineer - PerformanceNY$165,600–$296,400 / yearWe own inference performance of OpenAI and other state of the art LLM models and work directly with OpenAI on the models hosted on the Azure OpenAI service serving some of the largest workloads on the planet with trillions of inferences per day in major Microsoft products, including Office, Windows, Bing, SQL Server, and Dynamics. Lead technical alignment across teams by shaping architecture and priorities, resolving competing requirements, and holding researchers, product groups, infrastructure owners, and hardware partners accountable to clear decisions, execution plans, and measurable outcomes.
Principal Software Engineer, Cloud Platform JPMorgan Chase & CoPrincipal Software Engineer, Cloud PlatformJersey City, NJContribute to the design and development of AI agents and Model Context Protocol (MCP) integrations using frameworks built on top of Google ADK, Anthropic SDKs, etc. and related tooling to enable intelligent, scalable platform automation. Demonstrated proficiency with AI-assisted coding workflows, including experience with LLM-powered development tools, spec-driven development methodologies, and prompt engineering for software engineering use cases.
Principal Software Engineer Astronomer IncPrincipal Software EngineerNew York City, NY$277,000–$390,000 / yearArchitect for Varied Isolation Levels: Oversee the architecture of a self-contained software platform, ensuring all services, images, dependencies, and configurations can run smoothly whether deployed in connected private clouds or highly secure, zero-egress networks. Control Plane & API Productization: Proven success building production-grade infrastructure control planes, with a deep understanding of API design principles required to support programmatic customer workflows and user interfaces.
Principal Software Engineer - Postgres ClickHouse, Inc.Principal Software Engineer - PostgresNYRemote$140,000–$200,000 / yearWith more than 3,000 customers and ARR that has grown over 250 percent year over year, ClickHouse leads the market in real-time analytics, data warehousing, observability, and AI workloads. This is a strategic and high-impact role for an engineer who can work independently across complex technical areas: from storage and performance optimization to distributed coordination and extension development.
Principal Software Engineer - AI Platform & Architecture Thomson Reuters CorpPrincipal Software Engineer - AI Platform & ArchitectureBrooklyn, NY$183,100–$340,000 / yearFinally, Thomson Reuters offers the following additional benefits: optional hospital, accident and sickness insurance paid 100% by the employee; optional life and AD&D insurance paid 100% by the employee; Flexible Spending and Health Savings Accounts; fitness reimbursement; access to Employee Assistance Program; Group Legal Identity Theft Protection benefit paid 100% by employee; access to 529 Plan; commuter benefits; Adoption & Surrogacy Assistance; Tuition Reimbursement; and access to Employee Stock Purchase Plan. Own the end-to-end architecture and design of backend services (C#/.NET, Python, FastAPI, PostgreSQL, AWS, Vercel) that integrate and orchestrate across heterogeneous systems and technology stacks, powering generative AI agents, complex workflows and document‑centric experiences.
Principal Software Engineer Standard Template LabsPrincipal Software EngineerNew York City, New YorkWe’re looking for a Principal Software Engineer, Full-Stack AI to own the end-to-end technical vision for how intelligence is designed, built, and experienced across our platform - from data ingestion and model reasoning to APIs, user interfaces, and real-world operational impact. You will architect and ship production AI systems, build scalable backend and data platforms, and work across the stack to ensure AI capabilities are observable, trustworthy, and intuitive for enterprise users.
Principal Software Engineer RoPrincipal Software EngineerNew York, NY$251,200–$340,000 / yearYou’ll partner across engineering, product, design, and cross-functional leadership to define technical strategy, anticipate risks, mentor senior engineers, and guide teams toward resilient, maintainable, high-quality solutions. A proven track record of technical leadership across multiple teams or domains, including designing and evolving complex distributed systems.
Lead Principal Software Engineer Kforce Inc.Lead Principal Software EngineerNew York, NY$150,000–$190,000Employee pay is based on factors like relevant education, qualifications, certifications, experience, skills, seniority, location, performance, union contract and business needs. In this role, you will bridge the gap between high-level architecture and day-to-day execution, guiding engineering teams through complex technical landscapes.
Principal Software Engineer Elastic NVPrincipal Software EngineerNY$135,700–$214,700 / yearElasticsearch develops and distributes technology and information that is subject to U.S. and other countries' export controls and licensing requirements for individuals who are located in or are nationals of the following sanctioned countries and regions: Belarus, Cuba, Iran, North Korea, Syria, or Russia, including the Ukrainian territories annexed by Russia (The Crimea region of Ukraine, The Donetsk People''s Republic (DNR), The Luhansk People''s Republic (LNR), Kherson or Zaporizhzhia). The project portfolio spans four areas where the build-vs-buy shift is most compelling: Platform productivity tools - internal developer portals, knowledge search layers, engineering onboarding systems, and workspace tooling that unifies disparate SaaS tools into a single Elasticsearch-backed search and intelligence layer.
Principal Software Engineer/Developer FidelityPrincipal Software Engineer/DeveloperJersey City, New JerseyRemoteEducation 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) designing and implementing digital assets technology solutions using Agile methodologies in an electronic trading 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) designing and implementing digital assets technology solutions using Agile methodologies in an electronic trading environment.