Top Software Engineer Jobs

Develop and maintain secure enterprise applications and classification tools using Java, Spring Boot, Apache CXF, Tomcat, XML/SOAP, JavaScript, HTML, CSS, Lotus Notes, and Microsoft programming technologies. The role involves creating web services, user interfaces, integrations, and classification tools while working full-time onsite in Chantilly, Virginia during core hours. An active TS/SCI clearance with a full-scope polygraph is required.

Develop and oversee systems analysis, application design, development, testing, debugging, and documentation for complex projects. Coordinate development tasks, guide less experienced staff, manage technical project plans, evaluate technology solutions, and maintain supported applications. Collaborate with technology teams, business units, vendors, and senior management while ensuring risk, regulatory, audit, and internal control standards are met.

Build and maintain scalable backend services, RESTful and GraphQL APIs, database schemas, and cloud infrastructure. Own architecture decisions, optimize performance and reliability, improve CI/CD practices, collaborate across product and engineering teams, lead architecture sessions, review code, and mentor junior developers.

Lead frontend and full-stack engineering, architect scalable features, integrate APIs and cloud services, optimize rendering and performance, establish engineering standards, conduct code reviews, and mentor developers. Collaborate with product, UX, and backend teams to deliver user-focused software while managing priorities in an ambiguous environment.

Build full-stack monetization platform capabilities for pricing, packaging, eligibility, entitlements, usage, subscriptions, and billing integrations. Design backend services, APIs, interfaces, configuration tools, and reusable components; prototype commercial ideas; ensure consistency during plan changes and failures; and lead production quality through testing, rollouts, monitoring, and recovery. Shape technical direction, collaborate across Product, Design, Finance, Financial Engineering, and Data Science, and mentor engineers.

Design and build scalable Go or Rust backend services and data pipelines for asset discovery, recognition, and enrichment. Solve distributed-systems challenges involving concurrency, fault tolerance, and high-throughput processing. Integrate AI and ML capabilities, use AI-assisted development tools, contribute to architecture and technical standards, mentor engineers, and participate in code reviews and continuous improvement.

Design, develop, and lead engineering work for Snowflake’s Kubernetes-based Snowpark Container Services platform. Responsibilities include building scalable and fault-tolerant distributed systems, managing projects from design through operations, mentoring engineers, ensuring reliability and performance, and providing on-call support for a cloud-native compute platform.

Build and maintain Lodestar’s mission simulation environment for autonomous space defense systems. Responsibilities include developing high-fidelity sensor and orbital environment models in Unreal Engine, creating software- and hardware-in-the-loop test benches, designing distributed simulation services, and owning telemetry and regression tooling. The role collaborates with perception, prediction, decision, and mission teams to establish simulation fidelity and validate flight software across reproducible scenarios and CI pipelines.

Design, build, and maintain backend services and RESTful APIs; own end-to-end feature delivery and production support; improve performance, reliability, CI/CD, and mentor junior engineers while collaborating cross-functionally.

Develop, integrate, execute, debug, and analyze real-time modeling and simulation software supporting Army Integrated Air and Missile Defense systems. Design C++ simulation models, integrate fire control, missile, command-and-control, and tactical software, resolve defects, and support testing at government, industry, and range facilities. Build Python and MATLAB preprocessing and analysis tools while applying simulation protocols, software configuration management, and continuous integration practices.

Develops, integrates, executes, debugs, and analyzes real-time modeling and simulation software supporting Army Integrated Air and Missile Defense systems. Responsibilities include designing simulation models in C++ and FORTRAN, integrating fire control, missile, and command-and-control code, resolving defects, supporting lab and range testing, and creating MATLAB and Python tools for simulation data processing and analysis.

Build and improve query engines and distributed data-processing infrastructure for Palantir Foundry. Responsibilities include query planning and optimization, execution engine development, Iceberg integrations, incremental processing, performance tuning, debugging, testing, benchmarking, and collaboration with product teams and customers. The role requires production software engineering experience and expertise in database engines, distributed systems, storage, concurrency, and performance optimization.

Senior .NET Software Engineer responsible for end-to-end software development using Microsoft technologies. Requires extensive experience in SDLC, design principles, technical documentation, web application development with .NET, Agile/SCRUM, Entity Framework, database design, and version control. Familiarity with project tools JIRA, TEMPO, Bitbucket, and Confluence preferred.

Investigates and resolves complex customer issues involving software, APIs, cameras, imaging systems, algorithms, integrations, and development environments. Develops and debugs customer-specific code, diagnostic tools, integrations, scripts, and documentation. Provides technical guidance, analyzes logs, reproduces issues, and collaborates with Support, Product, and Engineering teams. Supports Engineering Services engagements through planning, development, testing, validation, documentation, and deployment while translating customer feedback into product improvements.

Develop and maintain enterprise React-based applications, analyze requirements, support design accuracy, own product modules, and create reusable components. The role involves unit testing, responsive and multilingual web applications, cloud platforms, databases, DevOps collaboration, bug resolution, performance standards, and integration testing within a scalable microservices environment.

Lead full-stack development of secure, scalable digital banking applications using Angular, TypeScript, Java, Spring Boot, microservices, GCP, and Kubernetes. The role involves architecture, API design, DevOps, CI/CD, distributed systems, observability, security, and technical leadership. Responsibilities include mentoring engineers, conducting design reviews, improving engineering standards, supporting resilient cloud-native platforms, and evaluating AI-assisted development tools.

Build and evolve Mercury Command, an LLM-powered financial assistant. Develop backend or full-stack capabilities, design and ship new product skills, collaborate with product and compliance teams, and create tests validating functionality. The role requires strong product ownership, user empathy, comfort with ambiguity, and enthusiasm for using AI tools to improve development and product quality.

Assists with developing, testing, deploying, troubleshooting, and maintaining software applications supporting cyber training environments. Contributes to APIs, scripts, databases, automation, user interfaces, CI/CD pipelines, infrastructure configuration, simulations, and documentation under senior guidance. Collaborates with instructors, developers, system administrators, and technical teams while building foundational expertise across the software development lifecycle.

Build and ship full-stack web products from prototype to production, owning user interfaces, APIs, data models, AI-powered workflows, instrumentation, testing, reliability, and performance. Collaborate directly with customers, design, operations, and marketplace teams; run experiments and improve product outcomes. The role also establishes engineering patterns, strengthens architecture and documentation, and delivers meaningful product improvements weekly in an onsite NYC environment.

Design, build, and operate secure Azure cloud infrastructure and backend services for distributed radar systems. Develop low-latency services that ingest and process real-time sensor data, automate deployments with infrastructure as code and DevOps practices, and own observability, reliability, resiliency, and operational readiness. Collaborate with software, hardware, and systems engineers to shape platform architecture and deliver secure, scalable mission-critical capabilities.

Build and operate secure Azure cloud infrastructure and backend services for distributed radar systems. Develop low-latency services for real-time sensor data, automate deployments with infrastructure as code and DevOps practices, and own observability, reliability, resiliency, and operational readiness. Collaborate with software, hardware, and systems engineers to deliver scalable, secure end-to-end capabilities and shape platform architecture.

Design, build, and operate secure Azure cloud infrastructure and backend services for distributed radar systems. Develop low-latency services that ingest and process real-time sensor data, automate deployments with infrastructure as code, and maintain observability, resiliency, security, and operational readiness. Shape platform architecture and collaborate with software, hardware, and systems engineers to deliver reliable end-to-end capabilities.

Build Atlas humanoid robot applications across the agentic autonomy stack, including task execution systems, integrations, operator dashboards, configuration UIs, observability, evaluations, and diagnostic tools. Collaborate with ML, robotics, controls, perception, and product teams to deliver reliable end-to-end capabilities. The role requires full stack development using frontend frameworks, backend technologies, databases, APIs, and distributed systems, with an emphasis on agentic AI, robotics, testing, documentation, and system design.

Build and deploy customer-facing software prototypes and capabilities in collaboration with end users, product managers, and designers. Diagnose customer pain points, develop features end to end, iterate rapidly based on feedback, and write clean, testable, maintainable code. The role requires independent work, frequent customer-site engagement, and up to 50% travel.

Design, develop, integrate, and maintain enterprise full-stack applications, APIs, microservices, SaaS integrations, and batch-processing solutions. Provide technical leadership for architecture, security, performance, testing, continuous delivery, and cloud deployments. Mentor developers, coordinate across technology and business teams, support vendor-managed solutions, and contribute to agile projects using Java, modern front-end frameworks, Kubernetes, OpenShift, AWS, and related technologies.