Top Software Engineer Jobs

Build and enhance FinTech alternative-investment platforms across the full application stack. Develop Angular and backend solutions, REST APIs, and event-driven microservices using Node.js and related technologies. Participate in design meetings and Agile ceremonies, collaborate with product managers, testers, sales, support, and third-party API teams, and apply AI-assisted development workflows, system design, cybersecurity practices, TDD, and continuous delivery.

Staff Software Engineer responsible for owning major platform areas end to end, including service design, data modeling, APIs, deployment, observability, and production operations. The role sets technical direction, partners with product and design, models government-domain workflows, mentors engineers, and supports reliability, security, compliance, and audit needs. Experience with distributed systems, cloud infrastructure, asynchronous workflows, and optionally LLM agents, workflow orchestration, Kubernetes, and government compliance is valued.

Leads the architecture and execution of Xometry’s core integration with an enterprise partner’s PLM ecosystem. Designs scalable, secure, high-performance services, embeds AI and ML pipelines for real-time geometry analysis, establishes engineering standards, and oversees multi-tenant deployments. The role requires cross-functional technical leadership, roadmap execution, data governance, security, reliability, and collaboration with senior leaders, external partners, marketplace teams, and data science organizations.

Staff Software Engineer leading the architectural evolution of Xometry’s core platform and enterprise PLM integration. The role involves designing scalable, high-performance services, embedding AI and machine-learning pipelines into partner environments, ensuring real-time geometry analysis, and establishing security, reliability, and multi-tenant standards. Responsibilities include technical leadership across teams, roadmap execution, partner collaboration, data governance, and mentoring engineers. The position requires deep expertise in Python, AWS, React, and NextJS, with a hybrid schedule in North Bethesda or Waltham.

Develop and integrate software for flight simulators, including avionics, aircraft-system simulations, tactical environments, and interfaces to audio, visual, motion, and I/O systems. Responsibilities include software architecture, requirements analysis, development, testing, documentation, customer presentations, and mentoring junior engineers. Work across Linux and Windows using multiple programming languages and development tools.

Senior Software Engineer responsible for designing backend-heavy TypeScript and Node.js services, building REST APIs, modeling PostgreSQL data, supporting production systems, improving reliability and observability, and owning services end to end. The role includes incident investigation, technical planning, partner integrations, code review, mentoring, and occasional React work. Engineers collaborate with Product and Engineering leadership while developing expertise in crypto and stablecoin payments.

Senior Software Engineer responsible for architecting and implementing reliable, scalable crypto payment platform services. The role focuses on distributed systems, backend development with TypeScript and Node.js, failure handling, observability, API and vendor integrations, production incident response, and technical mentorship. The engineer will own complex platform work end-to-end, influence architecture and team practices, and provide technical leadership without direct people management.

Develop and optimize Unreal Engine 5 real-time simulation environments for Department of Defense training and analysis programs. Design custom C++ plugins, modules, rendering extensions, and subsystems; diagnose defects; profile GPU/CPU performance; optimize memory and multithreaded code; and support research, integration, and testing. The role is on-site and requires collaboration on distributed simulations and game-based training applications deployed across Windows and Linux.

Develop and integrate software for flight simulators, including avionics, aircraft-system simulations, tactical environments, and interfaces for audio, visual, motion, I/O, and instructor stations. Responsibilities include software architecture, requirements analysis, development, testing, documentation, customer presentations, and mentoring junior engineers. Work is performed across Linux and Windows using multiple programming languages and development tools.

Integrates, deploys, configures, and troubleshoots software across high-performance computing systems and specialized Linux environments. Develops automation scripts, supports HPC schedulers and parallel processing, manages monitoring and logging tools, performs root-cause analysis, and assists with system deployments and upgrades. Collaborates with engineering teams to resolve integration and performance issues while documenting configurations and procedures.

Develop and ship backend product features for a high-scale mobility marketplace. Responsibilities include writing, testing, reviewing, and deploying maintainable code; improving scalable architecture; building diagnostic tools; documenting technical designs; and collaborating with product, design, and engineering teams. The role requires strong computer science fundamentals and backend experience with databases, distributed systems, search, or streaming technologies.

Leads software engineering teams developing web applications for data management, characterization, ingestion, and compliant data movement. Extracts value from structured and unstructured data using statistical methods and machine learning, develops queries and visualizations, defines software processes, ensures quality, and collaborates with mission customers. The role also requires technical leadership, requirements analysis, database development, and experience with big data, analytic frameworks, metadata, and intelligence-related network data.

Design, develop, test, and deploy Java-based features for a secure Apache NiFi data transmission application supporting the US intelligence community. Integrate systems across enterprise networks, contribute to the technical roadmap, ensure code quality through testing and continuous integration, and mentor junior engineers while working in an Agile environment.

Develop and lead software solutions for data ingestion, characterization, enrichment, and movement across intelligence-community mission systems. Extract insights from structured and unstructured data using statistical methods, machine learning, and analytic tools. Define requirements, develop queries and data flows, collaborate with customer teams, recommend technologies, lead software teams, oversee development processes and quality control, and support large-scale data processing using technologies such as Java, Python, Scala, Spark, Hadoop, and NiFi.

Design and develop high-performance interactive data visualizations and dashboards using JavaScript, TypeScript, modern web frameworks, D3, SVG, Canvas, WebGL, and WebGPU. Build data-driven applications, maintain comprehensive testing, manage CI/CD pipelines, and deploy and monitor scalable production systems. Collaborate with engineers, data scientists, and product managers to translate complex data into intuitive visual experiences.

Develop and maintain complex software systems supporting mission-critical environments, including real-time processing, large-scale analytics, and data applications. Responsibilities include software design, development, testing, troubleshooting, requirements analysis, technology evaluation, quality control, and lifecycle support. Serve as a technical lead across multiple teams, coordinate with customers and systems engineers, and delegate programming and testing work. The role requires extensive software engineering experience and an active TS/SCI clearance with current polygraph.

Develops and maintains COBOL, IDMS, and ADSO applications on IBM mainframes supporting the Defense Civilian Payroll System. Coordinates software development across functional teams, manages project plans, resources, schedules, risks, quality, and communication, and contributes to technology strategy and software requirements, design, and implementation.

Develop and maintain software products that automate workflows for Cyber Mission customers. Apply Agile and DevOps practices to deliver reliable, high-quality software, contribute to front-end and back-end development, and create technical documentation and training materials. The role supports national security missions at a contractor facility in Annapolis Junction, with telework dependent on tasking and customer approval.

Develop and maintain Java full-stack applications, platform libraries, mission systems, and database functionality for a classified program. Implement user-story features using Agile sprints, DevOps, behavior-driven development, and test-driven development. Resolve database issues and support modernization into cloud-native, microservice-based products. Work full-time in a SCIF while collaborating with the team and maintaining existing and new enterprise capabilities.

Develop and maintain Java-based web applications supporting compliant data management and movement for intelligence community data custodians. Responsibilities include designing complex algorithms, improving software processes and documentation, coordinating with systems and hardware engineers, performing quality control, and supporting software installation and system operations. The role uses Agile development methods and technologies including Quarkus, PrimeFaces, SQL, PostgreSQL, and Elasticsearch.

Develops, tests, debugs, documents, integrates, and maintains software applications for a classified program. Works within a cross-functional Scrum team to create features, bug fixes, scripts, acceptance criteria, automated testing, and integration solutions using Java and related development tools. Coordinates installations, monitors system performance, and applies software engineering best practices in a SCIF environment.

Develop and maintain a cloud-based full-stack product for storing, visualizing, validating, and disseminating ELINT data. Design, test, document, deploy, and troubleshoot enterprise applications while collaborating with developers and DevOps teams. Contribute to architecture reviews, technical planning, patches, and new feature development in an Agile environment.

Develop and integrate mission-critical software for military aircraft using Open Mission Systems architectures. Responsibilities include C++ development in Linux, middleware and data distribution, service contracts, interface definitions, data modeling, mission-level simulation, integration testing, and third-party application integration. The role requires onsite work, collaboration across engineering teams, technical documentation, and 10% travel. An active Secret clearance and continued eligibility for classified access are required.

Designs, develops, integrates, and tests real-time embedded software for military mission systems and avionics. Responsibilities include mission computing, data links, sensors, communications, navigation, displays, electronic warfare, and weapon systems. The engineer performs architecture, interoperability testing, and integration in laboratory and simulated environments while collaborating across engineering and deployment teams. The role requires onsite work in Fort Worth or Palmdale, 10% travel, and an active Secret clearance.

Design, develop, test, deploy, and maintain scalable, secure software across the technology stack. Translate requirements into technical specifications, deliver features using Agile practices, build automated tests, troubleshoot production issues, and ensure quality and reliability. Use AI-assisted development and spec-driven workflows, collaborate with Product, QA, and Architecture, contribute to technical decisions, and mentor junior engineers.