Top Senior Software Engineer Jobs

Develop and deploy production software for tactical robotic and sUAS systems. Design cross-platform Qt and C++ applications with QML interfaces, integrate REST and JSON data, manage builds and dependencies, and use third-party APIs. Support field deployments, troubleshooting, code reviews, optimization, and security improvements while collaborating with product teams and stakeholders. The role requires Secret clearance eligibility and occasional travel to customer locations.

Develop and maintain software for Air Force weapon systems within an Agile Scrum team. Responsibilities include requirements analysis, technical design, coding, testing, peer reviews, software quality assurance, build and deployment scripting, documentation, and configuration management. The engineer collaborates with government engineers, users, prime contractors, and suppliers; evaluates solutions, resolves engineering issues, and may oversee junior staff.

Own end-to-end development of a cloud-native healthcare SaaS platform, from database schemas through React interfaces. Build backend APIs, patient activation and insurance automation workflows, payer and EHR integrations, and reliable AWS-hosted services. Contribute to architecture, technical strategy, AI-powered workflows, secure HIPAA-compliant data handling, and product decisions with high autonomy.

Own and develop backend services, APIs, integrations, data pipelines, and referral workflows using Python, with React frontend work as needed. Serve as the subject matter expert for a business domain, improve reliability and data quality, review designs and code, and partner with Product and Operations. Build AI-agent skills, rules, and context while introducing agentic development practices using coding tools.

Develop software, pipelines, AI-powered tools, and performance metrics for autonomous vehicle systems. Analyze large datasets, evaluate autonomy-stack performance, ensure data quality, and deliver actionable insights. Define technical roadmaps, collaborate across perception, prediction, planning, controls, simulation, and validation teams, and provide technical leadership, documentation, mentoring, and architectural guidance.

Own and evolve Swyfft’s partner-facing insurance API, including resource design, versioning, backward compatibility, authentication, rate limiting, error handling, metrics, documentation, and contract testing. Build production C# code, maintain the translation layer between public APIs and internal systems, support partner integrations, and collaborate with QA and product. The role requires substantial public API experience, strong API security and multi-tenancy knowledge, and fluency in C#, ASP.NET Core, SQL Server, and Azure.

Leads backend software engineering for secure, scalable, high-throughput systems. Develops and reviews production code, guides engineers and technical partners, influences architecture and technical operations, and promotes software development standards. Builds microservices, streaming and data-processing solutions using AWS, containers, orchestration, caching, and workflow tools. Drives responsible AI-assisted development practices, including validation for security, correctness, testing, resiliency, and delivery efficiency.

Design, build, scale, and maintain CoreWeave’s IAM platform and distributed identity, authentication, and authorization services. Develop APIs and backend systems, optimize performance and availability, implement observability and automated tooling, and participate in on-call operations. Collaborate with product, design, and technical program teams on strategy and roadmap. Apply software engineering best practices, automated testing, CI/CD, security principles, and production troubleshooting to deliver maintainable, reliable cloud infrastructure services.

Leads development of scalable, secure, cloud-native software solutions using Golang, public cloud, and Infrastructure as Code. Provides technical guidance, reviews production code, drives AI-assisted engineering practices, supports cloud migrations, and influences architecture, application functionality, and technical operations. Acts as a subject matter expert and promotes engineering standards, automation, resilience, security, and responsible AI usage across teams.

Leads cloud asset management engineering strategy and implementation, defining scalable architectures, security and compliance practices, API standards, and modernization from monoliths to microservices and event-driven platforms. Provides hands-on technical leadership, mentors engineers, drives cross-domain initiatives, establishes engineering standards, and advises on performance, scalability, operability, cloud computing, data architecture, and distributed systems.

Leads the design, development, and delivery of complex internal go-to-market and Sales CRM systems. Owns backend services, APIs, event-driven microservices, architectural direction, integrations, production support, and technical decisions. Collaborates with stakeholders and TPMs, contributes to UI development, applies AI-assisted and agentic workflows, mentors engineers, and establishes best practices for testing, debugging, code review, and scalable system design.

Build and operate Gravitee’s API Management, Access Management, or Kafka Event Gateway products. Responsibilities include designing Java services and REST APIs, developing secure distributed systems, contributing to TypeScript and Angular interfaces, writing automated tests, supporting production through L3/L4 escalations, and collaborating with international product teams. The role also contributes to AI agent management capabilities and requires participation in a US-hours pager rotation.

Join as a founding full-stack engineer to write clean, maintainable code, own production services and on-call responsibilities, build and operate hardened infrastructure at scale, leverage AI tools while retaining deep stack knowledge, and investigate complex technical unknowns.

Develop highly deterministic C++ software for automated aviation systems. Responsibilities include implementing unit tests, working with flight hardware, and ensuring system robustness.

Designs, develops, tests, deploys, and supports complex React and TypeScript applications. Owns technical design and implementation of features, establishes frontend architecture and reusable patterns, and works within a large monorepo. Provides technical leadership, mentorship, troubleshooting, performance optimization, security, accessibility, testing, CI/CD, and production support while partnering with engineering, product, UX, backend, SRE, and QA teams.

Develops and maintains complex mainframe software applications using COBOL, CICS, VSAM, and DB2. Oversees software testing, debugging, quality assurance, and issue resolution. Designs and reviews technical solutions, collaborates with business leaders, influences departmental strategy, and independently determines technical approaches. Requires at least five years of mainframe development experience and Agile experience.

Develop and modernize cryptographic software for GPS and Navigation Warfare systems supporting the U.S. Space Force. Responsibilities include implementing Y-code and M-code algorithms, validating NSA key material, supporting enterprise testing and systems engineering activities, contributing to requirements and architecture development, and providing technical guidance. The role also requires collaboration with government teams, contractors, and external organizations, plus serving as a GPS requirements subject matter expert.

Build and own production online mapping software for autonomous vehicles. Develop real-time embedded C++ and CUDA running on NVIDIA DRIVE platforms, emphasizing performance, determinism, safety, and maintainability. Design architectures and APIs, optimize CPU/GPU workloads, integrate mapping algorithms, and collaborate across the autonomous driving stack. Apply automotive functional safety practices, static analysis, and comprehensive unit and integration testing to meet ASIL-B/D requirements and support L2++, L3, and L4 programs.

Leads a team of software engineers delivering scalable, resilient applications for healthcare payments. Responsibilities include end-to-end product delivery, architecture and system design, technical mentorship, .NET/C# development, SQL optimization, testing, operational stability, and SDLC execution. The role also drives responsible use of AI-assisted engineering tools, automation, security, agile practices, vendor evaluations, and cross-functional roadmap planning within a financial services environment.

Leads development of secure, scalable, cloud-native software platforms and distributed services. Designs systems, writes and reviews production code, supports cloud migrations, and improves reliability through testing, operations, observability, and infrastructure as code. Drives adoption and governance of AI-assisted engineering practices, validates AI outputs for security and correctness, mentors engineers, and influences architecture and delivery practices across teams.

Leads full-stack software development from architecture through production, overseeing a development team and guiding adoption of tools and techniques. Designs end-to-end solutions, evaluates system improvements, and ensures compatibility with current architecture and future enhancements. Works in Agile environments using Scrum or Kanban and develops software for custom-designed systems. Requires Secret clearance and may involve driver software or real-time operating systems.

Leads software architecture, design, coding, debugging, performance improvement, and maintenance across complex web systems. Provides technical direction for multiple teams and initiatives, owns major product components, resolves open-ended technical problems, mentors engineers, evaluates technologies, and supports testing and requirements development. Requires deep Java development expertise with RESTful APIs, Spring Boot, and microservices, plus strong leadership, communication, and problem-solving skills.

Modernize an existing C++ desktop application by migrating functionality to a web-based .NET solution. Design, develop, test, deploy, maintain, and support software using C++, C#, ASP.NET Core, APIs, and modern web technologies. Collaborate with product, QA, and business stakeholders, perform code reviews and debugging, resolve performance issues, and evaluate AI capabilities for application and workflow integration while ensuring security, testing, monitoring, and validation.

Design, develop, test, deploy, and support production web applications, backend services, APIs, databases, and cloud infrastructure. The engineer will work with JavaScript/TypeScript, AWS, CI/CD, observability, automated testing, and AI-assisted development tools. Responsibilities include technical design, production troubleshooting, root-cause analysis, code reviews, collaboration with scientific and product teams, mentoring, and improving software quality, reliability, security, and engineering productivity.

Build and scale backend connectors, ETL pipelines, analytics infrastructure, search systems, and distributed processing for Zendesk’s AI products. Responsibilities include handling integrations, webhooks, incremental synchronization, indexing, aggregation, multi-tenant isolation, and fault-tolerant worker queues. The role also develops insight engines that transform support data into explainable automation recommendations and collaborates with product, ML, design, and customer-facing teams.