Top Senior Software Engineer Jobs

Build and own underwriting and pricing decision systems end-to-end: design, implement, and operate backend services, integrate data sources, implement rules, improve pricing, and partner with product, risk, and operations to deliver production-quality solutions.

Lead an agile team to design, implement, and maintain enterprise C# (ASP.NET) applications. Build features, troubleshoot full-stack issues, mentor engineers, integrate AI-assisted tools, design automated test suites (unit, integration, end-to-end), and maintain CI/CD pipelines to ensure high quality, performance, security, and availability.

As a Sr. Software Engineer, Backend, you will develop AI-powered solutions for clinical documentation and medical coding, collaborating with cross-functional teams to enhance SaaS products and deliver actionable insights for healthcare organizations.

Lead independent software functional-safety architecture for ASIL D SoC/MCU systems. Interpret safety manuals, define HW-SW interfaces, fault propagation and safe-state strategies, produce Software FMEA/FTA and Software Safety Requirements, defend architectures during audits, mentor engineers on ASIL-compliant coding, and align diagnostics with system engineering to achieve certification.

As a Senior Software Engineer, you'll own backend systems, mentor team members, and collaborate with product and design to build user-focused solutions.

As a Senior Software Engineer, you'll develop Go-based services for managing large-scale GPU data center infrastructure, focusing on automation, APIs, and monitoring tools.

Define and drive Payments technical strategy and architecture for rails, routing, and funds-flow systems. Lead large cross-team initiatives, ensure financial correctness, improve reliability and cost via observability, mentor senior engineers, and align stakeholders across product, risk, and regulatory teams.

As a Staff Software Engineer, you will design and enhance secure identity, privacy-first systems, and manage customer data flows while collaborating with cross-functional teams to ensure compliance and security protocols are maintained.

Design, build, and operate low-latency authentication and authorization services (OAuth, sessions, tokens, 2FA, account recovery). Lead technical designs, ensure strong security and observability, collaborate cross-functionally, simplify integrations, and mentor engineers while running production services with measurable SLOs.

Design and develop C/C++ software for complex distributed and high-performance computing systems. Build multithreaded and multiprocess applications on Linux, use Python scripting, work with networking stacks, and troubleshoot HPC systems. Preferred experience includes cloud infrastructure, containerization, Linux kernel configuration, network infrastructure, device drivers, and real-time systems. The role requires strong problem-solving and communication skills.

Build and scale full-stack healthcare products with a backend emphasis, including user interfaces, APIs, data models, background jobs, and third-party integrations. Collaborate with Product, Design, Operations, customers, founders, and healthcare professionals to solve complex patient workflows. Own systems from MVP through maturity, make practical technical tradeoffs, ship reliable software quickly, and ensure compliance with HIPAA and security standards.

Senior software engineer responsible for designing scalable Java services, leading architectural improvements, and owning technical domains in a high-scale AWS environment. The role emphasizes platform engineering, CI/CD quality, automation, incident analysis, cost optimization, AI-assisted development, mentorship, and cross-functional technical leadership. Required technologies include Java, Spring Boot, MySQL, RabbitMQ, Kubernetes/EKS, Docker, and AWS services.

Leads architecture, development, modernization, testing, deployment, and support of software for semiconductor manufacturing and test systems. Migrates legacy MATLAB and LabVIEW applications to C#/.NET, integrates software with equipment and hardware, develops automation and testing frameworks, resolves complex defects, contributes to CI/CD, and mentors engineers. Collaborates across software, hardware, systems, manufacturing, quality, product, and customer support teams.

Lead design and delivery of major full-stack software components, act as technical lead, partner with product and DevOps, provide architecture and best practices, mentor engineers, support production incident response, and ensure scalable, secure, and observable systems.

Own and build core backend systems for real-time fraud and risk decisioning: design performant Postgres queries and Node.js/TypeScript APIs, maintain scalable OpenSearch-backed lists, extend an AI explanation feature using AWS Bedrock and async tooling, collaborate with stakeholders and customers to define features, and drive system design for enterprise rollouts.

Lead hands-on full-stack development for Ruby on Rails, TypeScript, and React applications. Shape technical direction, design reliable APIs and data flows, optimize relational database performance, and deliver responsive front-end experiences. Lead projects end to end, mentor engineers, review and refactor code, collaborate cross-functionally, and explore AI-assisted engineering and LLM automation while protecting sensitive healthcare data.

Lead frontend architecture and implementation using React and TypeScript. Build scalable component libraries and design systems, optimize performance and accessibility, collaborate on APIs, mentor engineers, and influence product and technical roadmap decisions.

Develops software, algorithms, and infrastructure for automated electro-mechanical equipment used to manufacture and test robotic surgical systems and medical devices. Responsibilities include hardware integration, manufacturing process optimization, validation activities, production software support, software architecture, diagnostic strategy, cross-functional project leadership, and mentoring engineers. The role requires strong software design, system-level thinking, analytical problem-solving, and technical leadership in a regulated manufacturing environment.

Build and support simulation services, integrate physical models into products, develop automated and off-nominal test scenarios, and improve simulation tools through stakeholder feedback. The role contributes to architecture, technical proposals, planning, cross-functional delivery, and mentoring engineers. Strong Python and C++ experience is required, with preferred experience in numerical simulation, statistical analysis, Julia, Linux, Docker, Kubernetes, cloud deployment, Software-in-the-Loop simulation, and CI/CD.

Develop and enhance the Apex high-performance, cloud-native reporting platform in a large C++ codebase. Design scalable data models and query optimization across distributed database technologies, own features end to end, debug and test complex systems, mentor engineers, guide architecture and refactoring decisions, and collaborate with QA in an Agile environment. Use AI coding assistants responsibly while supporting high availability, network observability, and cybersecurity solutions.

Lead design and implementation of Headway's insurance systems (eligibility, pricing, matching, claims). Build data-intensive, ML-powered platforms and automation, mentor engineers, write high-impact code, and improve accuracy and reliability across state and payer complexity to scale insurance-covered therapy.

Design and implement real-time MAC data-plane software for high-throughput satellite links. Build packet-processing pipelines, queue and buffer management, retransmission and loss recovery, and integrate with PHY, modem, FPGA, DMA, and SoC hardware. Optimize for low latency and high throughput using zero-copy, scatter-gather, lock-free structures, and hardware offload. Lead architecture through prototyping, hardware integration, performance qualification, and operational deployment while diagnosing timing and synchronization issues.

Develop scalable backend infrastructure and distributed systems using Java, Spring microservices, and AWS. Translate product requirements into robust code, improve architecture and development processes, troubleshoot performance issues, conduct testing and debugging, participate in code reviews, manage releases, and use static analysis tools. Mentor internal and offshore engineers while collaborating with product, sales, and support teams on growth initiatives.

Leads global software development and serves as technical lead for quantum sensing products. Develops and productizes React/Next.js frontends and Python FastAPI backends integrating with embedded hardware, Rust middleware, and device-control systems. Responsibilities include architecture, code reviews, testing, documentation, CI/CD, Jira and sprint management, team coordination, and transitioning prototypes into production-ready systems.

Lead modernization of an enterprise entitlements platform by designing secure, scalable cloud-native applications. Responsibilities include Java and Spring Boot development, REST APIs, microservices, Kubernetes, CI/CD pipelines, authorization and access-control implementation, service mesh architecture, and mentoring engineers.