Top Software Engineer Jobs

Develop and maintain software for flight and mission simulators, including legacy-system modernization, real-time performance optimization, hardware integration, troubleshooting, and reliability improvements. Collaborate across engineering teams using Agile/Scrum and Waterfall methodologies, participate in code reviews and planning, and support mission-critical pilot training systems. The role requires a computer-related bachelor's degree or equivalent experience, 5+ years in software engineering, U.S. citizenship, eligibility for DoD Secret clearance and Special Program Access, and flexibility for shift work, overtime, and travel.

Develop secure, scalable backend APIs and microservices for mission-focused applications. Responsibilities include managing data persistence, integrating relational databases, automating builds and integrations, implementing authentication and authorization, supporting cloud-native architectures, and applying modern version control and Agile practices. Preferred experience includes AWS, Docker, Kubernetes, observability tools, and caching technologies.

Own the AMS frontend, designing and shipping React and TypeScript features for data-intensive grids, forms, dashboards, and widgets. Integrate RESTful APIs using TanStack Query, manage state with React Context or Zustand, implement SurveyJS forms, and optimize performance for large datasets. Collaborate with backend engineers and designers, contribute to code reviews and Agile ceremonies, and work across time zones with an Australia-based team. The role requires US citizenship and willingness to pursue future security clearance.

Develop backend and middleware services as part of a full-stack development team. Responsibilities include Java backend development, Solr or Elasticsearch schema management, Lucene query development, shard management, performance tuning, and query optimization. The role also involves working with big data technologies, AWS services, code reviews, unit and integration testing, production deployments, JIRA, and GitHub.

Design and build internal full-stack products that improve engineering and product development velocity. Own frontend, backend, data, and integration systems; collaborate with cross-functional teams to define requirements, improve workflows, and remove development bottlenecks. Responsibilities include developing web applications, APIs, database-backed systems, cloud solutions, product UIs, and debugging software.

Build the judgment layer and infrastructure for an agent evaluation platform: orchestration for multi-turn agent scenarios, observability and OpenTelemetry-based tracing, stateful simulation environments, and scalable evaluation pipelines to produce calibrated signals usable for training and gating agent releases.

Design, architect, and implement key Windows Ads SDK components focused on performance, scalability, reliability, and maintainability. Build CI/CD, test automation, telemetry, and validation. Collaborate across teams on design reviews, data-informed rollouts, integration testing, and production readiness while ensuring security, privacy, accessibility, and compliance.

Design, build, and maintain scalable backend services and infrastructure for Roadie’s logistics platform. Identify performance bottlenecks, improve reliability, collaborate with Product, Data Science, and engineering teams, contribute to code reviews and technical practices, and own projects from concept through production.

Lead and remain hands-on building an AI-first developer portal and secure external API platform. Define architecture for agent-ready workflows, authentication/credential flows, contract-first APIs, resiliency, observability, and AI-enabled support. Drive cross-functional delivery, coach engineers, and ensure operational controls, auditability, and production readiness for integrations.

Develop and maintain scalable software features across web, desktop, cloud, and IoT environments. Responsibilities include software architecture, coding, debugging, performance optimization, automated testing, code reviews, CI/CD, observability, AI-assisted development, and collaboration with QA, Product Management, and DevOps. The role also contributes to Agile planning, technical documentation, and adoption of emerging engineering tools. Candidates must be based in Seattle or Los Angeles and travel quarterly to Los Angeles and site locations.

Design, develop, integrate, and operate software for Mars telecommunications ground systems. Responsibilities include implementing Delay Tolerant Networking, customer data routing, external APIs, CCSDS-compliant interfaces, automated and integration testing, performance tuning, architecture documentation, stakeholder integration, and operational handoff. The role also involves translating mission requirements into software solutions and mentoring peers on scalable, reliable, maintainable engineering practices.

Leads frontend architecture and technical strategy for Scout Motors’ customer vehicle purchase journey. Builds performant, accessible React and TypeScript experiences spanning configuration, trade-in, financing, leasing, and delivery. Owns frontend performance, reliability, component libraries, design systems, architectural reviews, and engineering standards. Partners with product and design, mentors senior engineers, drives cross-team initiatives, and champions inclusive design and pragmatic AI-assisted development.

Build and maintain customer-facing frontend experiences across vehicle configuration, trade-in, financing, leasing, and delivery. Develop accessible, performant, well-tested React and TypeScript applications; integrate APIs and third-party services; optimize Core Web Vitals; contribute to component libraries and design systems; and own features from technical design through production. Collaborate with product, design, and backend teams while participating in reviews and applying AI-assisted development practices.

Build full-stack product experiences for API and AI agent management. Design Angular and TypeScript interfaces, Java APIs and services, data visualizations, and asynchronous gateway features. Work across data modeling, distributed systems, testing, security, and cloud-native delivery while contributing to open-source and enterprise products. Use AI-assisted development tools responsibly and collaborate with product, design, and engineering teams to deliver reliable customer-focused solutions.

Build full-stack product experiences and APIs for Gravitee’s API management and AI Agent Security platform. Develop Angular and TypeScript interfaces, Java APIs and services, data visualizations, and gateway runtime features. Work with distributed systems, asynchronous patterns, persistent stores, search technologies, automated testing, and AI-assisted development. Collaborate across product and engineering teams while contributing to open-source and enterprise products.

Build zero-to-one products from prototype through production, working through ambiguity and partnering closely with product, design, and customers. Develop scalable systems, run experiments and technical spikes, influence product direction, and uphold reliability, performance, engineering standards, and customer experience. Mentor engineers and contribute to architecture, coding practices, and cross-functional collaboration.

Develops and maintains control-plane software for Layer 2 networking and switching systems. Responsibilities include requirements analysis, software design, C/C++ implementation, unit and integration testing, test automation, performance optimization, troubleshooting, root-cause analysis, and collaboration with architects and distributed teams. The role also contributes to technical specifications, customer issue resolution, standards, white papers, and patents.

Leads software application engineering for ASML’s BRION lithography products, including customer integration, installation, product tuning, troubleshooting, and on-product performance optimization. Partners with engineering, customer support, and marketing teams to address customer node requirements and product roadmaps. Trains and leads software application engineers, supports customer business development, and helps integrate solutions into semiconductor manufacturing environments.

Provides technical leadership for radar digital signal processing software supporting object identification and tracking in geosynchronous orbit. Designs, develops, tests, debugs, and optimizes high-performance DSP applications using C++, CUDA, and GPU acceleration. Leads architecture and algorithm decisions, collaborates with systems and hardware teams, supports secure high-side development, mentors engineers, and applies AI-enabled development tools while maintaining code accountability.

Build and ship end-to-end full-stack software features for F2’s AI-driven financial platform. Develop critical platform components, integrate LLMs, retrieval, or agents, improve scalability and reliability, establish engineering standards, and mentor engineers. Collaborate with product, security, and go-to-market teams to deliver production-ready capabilities for private markets and commercial banking customers.

Develop, enhance, and maintain computer and network software and application databases. Analyze user needs, design software solutions, and collaborate with project management, acquisition, logistics, security, and other disciplines to integrate hardware and software systems and define specifications and performance requirements. Support Naval Sea Systems Command programs at the Washington Navy Yard, with infrequent travel to naval locations on the East and West Coasts.

Design, develop, test, deploy, and support full-stack web application features using C#, .NET, JavaScript, and relational databases. Write maintainable code, participate in reviews, collaborate with cross-functional teams, manage development workflows, follow security and version-control standards, and apply AI tools and prompt engineering to improve automation and development efficiency. The role requires an active Secret clearance and supports production applications, legacy-platform modernization, and structured software architecture.

Develop and analyze reusable algorithms for missile tracking and state estimation. Responsibilities include applying mathematics and statistics to data analysis, implementing tracking algorithms and motion filters, developing tools and prototypes in modern C++ and Python, testing and validating algorithms, resolving defects, and preparing technical documentation. The role requires collaboration across teams, Linux proficiency, numerical computing expertise, and support for travel up to 10%.

FortyAU seeks versatile Software Developers with 1-2 years of experience in various programming languages, who excel in writing and collaborating on code, while supporting client interactions.

Develop and support high-performance Go-based distributed and decentralized platforms within an Agile team. Responsibilities include implementing scalable architectures, APIs, messaging, secure authentication, containerization, code reviews, debugging distributed systems, optimizing performance and databases, maintaining backend systems and data pipelines, and supporting customers.