Top Software Engineer Jobs

Design, develop, and implement complex Java software capabilities for computer-based systems. Build enterprise APIs, RESTful services, and microservices while applying object-oriented design and agile practices. Integrate AI coding agents for feature development, refactoring, testing, and codebase management. Troubleshoot issues, test software, review agent-generated code, and collaborate with engineers in a fast-paced environment. Work onsite at Fort Meade and Columbia, Maryland, at least one day weekly, with potential for increased onsite work.

Design, develop, integrate, deploy, and validate autonomy software for ground vehicles and robotic systems. Collaborate with engineers, researchers, product managers, customers, and end users to deliver autonomous behaviors, payload integrations, and mission capabilities. Analyze test results, diagnose root causes, improve system performance, and enhance the core autonomy stack. The role requires travel of 10–50% depending on placement and occasional commuting to Arlington, Virginia.

Develop and troubleshoot components and features for corporate applications. The role requires hands-on experience with HP Autonomy Interwoven TeamSite and LiveSite, plus .NET or Java development. Candidates should understand HTML, JavaScript, jQuery, XML, Oracle Database, Unix, and Windows operating systems, with strong troubleshooting skills. A bachelor’s degree or relevant work experience is required. This is a 12-month, fully onsite role in Houston, Texas, with no remote work.

Own and deliver scalable software features within dynamic squads, collaborating with product, design, QA, and engineering. Responsibilities include feature development, API and microservices work, testing, code reviews, Git workflows, performance optimization, Kubernetes/Azure/Cloudflare infrastructure management, documentation, demos, and mentoring junior engineers. The role requires JavaScript/TypeScript, databases, Web3 familiarity, independent execution, strong communication, and AI-supported development workflows.

Design, develop, test, and maintain modern C++ mission-critical software for fire control, flight, ground, and command-and-control systems. Work on Linux-based embedded and edge platforms, hardware and sensor interfaces, distributed networks, and secure system architectures. Troubleshoot issues across software, hardware, networking, and deployment environments while collaborating with multidisciplinary engineering teams. Support field testing, customer demonstrations, system integration, and travel of up to 20%.

Develop and scale healthcare technology products that leverage new datasets. Responsibilities include building software in Ruby, Python, or JavaScript, optimizing database queries for high-volume applications, implementing logging and exception handling, writing clear code with automated test-driven development, and communicating project scope and requirements effectively.

Own a product area end to end, making independent architecture, scope, and engineering investment decisions. Collaborate with leadership on product direction, improve the engineering team through reviews and design discussions, and work across backend, web, mobile, and infrastructure layers. The role requires strong judgment, autonomy, communication with non-engineers, and a history of owning outcomes in production software.

Develop spacecraft simulation software across the full software lifecycle. Responsibilities include establishing requirements, modeling spacecraft components and space environments, integrating and validating simulations, developing simulation frameworks and graphical interfaces, supporting real-time operations and mission analysis, performing trade studies, and preparing technical documentation. The role is fully onsite in Dulles, Virginia, requires an active TS/SCI clearance, and may be filled at Principal or Senior Principal level.

Develop and maintain brokerage platform software across the full lifecycle, including design, coding, implementation, testing, documentation, deployment, debugging, and user requirements gathering. Work may involve Java Swing front-end trading platforms or Core Java back-end data and transport layers requiring multithreading and high throughput. Candidates should understand complex systems, propose solutions, and collaborate effectively with users and the development team.

Build and scale a growth data platform: design queues and workers for enrichment, routing, assignment, and activation; integrate CRM, ads, intent, and enrichment vendors; convert experiments into reusable platform primitives; and debug production issues across Snowflake, dbt, Dagster, AWS, vendor APIs, webhooks, and downstream systems.

Doppel seeks an experienced backend engineer to develop scalable infrastructure for their AI-native social engineering defense platform, focusing on efficient data handling and service standardization.

As a Software Engineer, you will develop reliable software, collaborate with customers on feasibility, and help shape the engineering culture.

Design, develop, implement, test, and support high-quality internal software and customer-facing products. Enhance existing products and design APIs that integrate systems. Ensure security measures and perform code testing and reviews.

Develop and maintain Alkira's web and mobile UIs for the CSX platform using React/Redux. Build scalable, accessible component libraries, improve test coverage, work with REST APIs and Postgres, and participate in CI/CD. Collaborate in a hybrid team environment and deliver enterprise cloud networking features.

Build and own frontend surfaces for agentic AI features: design streaming and long-running agent interactions, render agent findings alongside large telemetry datasets, optimize browser performance (Web Workers, OPFS, WebAssembly), contribute to component library, and collaborate with backend and product teams while engaging customers to shape the product.

Build and own frontend surfaces for agentic AI used by hardware engineers: design streaming/long-running interactions, render agent outputs alongside large telemetry, optimize browser performance (Web Workers, OPFS, WebAssembly), contribute to component library, and collaborate with customers and backend engineers from MVP through iteration.

Design, develop, integrate, and sustain software for complex, defense-related systems. Work with hardware teams on system architecture, interface definitions, integration, testing, troubleshooting, and documentation. Provide periodic on-site support at NSWC Corona for hardware/system integration activities.

Design and develop machine learning infrastructure, enhancing core components for model training, monitoring, and serving. Collaborate with ML engineers on robust pipelines.

Design and build the control plane for Postgres clusters, ensure data protection, automate database operations, and collaborate with customers to enhance the platform.

Develop signal processing algorithms and applications, focusing on detection, geolocation, and data analysis. Requires extensive experience in DSP and C++.

The Front End Software Engineer will design and implement browser-based tools, focusing on UI development using web technologies and typed functional programming.

The Software Developer will design, code, debug, and maintain applications, focusing on software and performance analysis, UI design, and project management.

Design and implement full-stack software in Agile sprints; ensure accessibility and usability compliance; create and maintain engineering documentation; monitor application alarms; coordinate story completion, assess partner requirements, and support software development functions.

Seeking a Mid Level Software Engineer to develop enterprise applications using Java, JavaScript, or Python, along with database design and micro-service architecture expertise.

The Software Engineer will develop web applications using Elixir and Phoenix, mentor other engineers, and improve code quality and platform engagement.