Top Software Engineer Jobs

Develops, maintains, and enhances complex software systems; implements and tests software components; resolves defects; applies software design and development methodologies; provides input on system-level hardware/software trade-offs and reuse; works independently and in teams to meet documented requirements for processing-intensive, real-time, and large-data systems.

Design and develop payload flight software for spacecraft supporting the U.S. Space Development Agency’s Proliferated Warfighter Space Architecture. Responsibilities include requirements generation, software implementation, testing, deployment, multithreaded application design, performance-oriented programming, and algorithm deployment on size, weight, and power-constrained sensor systems using accelerator technologies.

Design and develop payload flight software for spacecraft sensor systems. Responsibilities span requirements generation, software design, implementation, testing, and deployment. The role focuses on performance-oriented embedded programming, multithreaded applications, novel algorithms, and accelerator technologies in size, weight, and power-constrained environments. The engineer will support Space Systems programs and contribute to flight software for the U.S. Space Development Agency’s Proliferated Warfighter Space Architecture.

As a Forward Deployed Software Engineer, partner with high-impact public sector customers by developing full-stack applications and providing technical guidance throughout the project lifecycle.

Build and maintain reliable software that interfaces with PCBA manufacturing equipment to speed and stabilize production. Create applications and prototypes, integrate electronics design tools with manufacturing hardware, and diagnose user problems. Own release, testing, CI/CD, performance profiling, and deployment for production engineering tools.

Lead and build software infrastructure and automation for robot testing and evaluation. Develop scripts, tools, and workflows to run repeatable tests, collect and analyze data, improve reliability, and coordinate cross-functional test execution. Set technical direction, prioritize work, unblock the team, and grow testing infrastructure and personnel for scaled deployments.

Own and build customer-facing geospatial and data-visualization products: interactive campaign visualizations, GIS proposal tooling, demo environments, component library, and instrumentation to drive sales and customer trust. Full-stack ownership from frontend (React/TypeScript) to backend (Python/Node), architecture, and product design.

Develop and maintain Java applications for DoD systems, focusing on backend services, REST APIs, and microservices, while ensuring security and performance.

Develop production-ready backend services using TypeScript, manage databases with PostgreSQL, and collaborate across teams on software design and integration for AI features.

The Software Developer II will develop, test, and maintain applications using C#/.NET, collaborate with business partners, and improve development processes while mentoring junior developers.

Lead design and implementation of Mercor's code search and retrieval systems: hybrid dense-code embeddings plus lexical (BM25) retrieval, candidate generation, ranking/re-ranking, model routing, query translation from natural language, indexing pipelines, evaluation/A-B testing, and technical leadership to evolve embeddings and search quality safely at scale.

Senior full-stack developer responsible for designing, developing, and delivering end-to-end software solutions using front-end and back-end languages in an Agile environment. Collaborate cross-functionally to produce production-ready systems, write and enhance source code, and apply modern architectures and tooling. Must be eligible for a Secret clearance.

Designs, develops, tests, debugs, and maintains software and enhancements; authors documentation; provides technical direction; manages version control and project schedules; coordinates security certification; supports field/tactical communications and VPN protocols; trains users and resolves software issues to support customer missions.

Designs, develops, tests, debugs, and maintains software for network and field engineering programs. Provides technical direction, version control documentation, project schedules, and coordinates certification/security. Works with customers on system requirements, VPN protocols, field IT and communications, authors mission documents, and supports logistics and user training.

As a Fullstack Software Engineer, you will build and enhance highly scalable AI-native platforms, advance both front-end and back-end systems, and ensure usability for healthcare applications. You'll work closely with engineering and product teams while directly interacting with customers to refine user experiences.

The role requires designing and developing web applications and backend systems, integrating LLMs, and ensuring quality software delivery.

The Software Engineer will develop backend systems for an AI Energy Agent, including data integration, microservices, and scalable architecture, focusing on performance and reliability.

The Founding Software Engineer will build and enhance crisis-intervention software, focusing on mobile and web applications for government welfare, ensuring compliance and integrating data securely. Responsibilities include feature development, security enhancements, and managing interns.

Seeking a Cloud Software Engineer to design, develop, and maintain cloud-native applications using Java, Agile methods, and current technologies like Quarkus and PrimeFaces. Responsibilities include implementing secure architectures, building CI/CD pipelines, integrating APIs, and supporting system performance optimizations.

The Software Engineer will develop software primarily in Java and use Agile methods, focusing on complex algorithms and system requirements for national security initiatives.

Join Midstream as a Software Engineer to develop an AI-native financial operating system for healthcare, focusing on SaaS platform, API development, and ML solutions.

Seeking mid to senior full stack engineers for a mission management tool, working with various technologies in a fast-paced Agile environment.

Develop prototypes and solutions using various technologies to support missions, analyze large data volumes, and apply AI/ML algorithms.

Develop and manage ground software for satellite communication, including GNURadio modules, cloud-based deployments, and reliability optimization.

The role involves building and maintaining healthcare EMR software integrations, implementing monitoring systems, and developing scalable integration frameworks. Requires direct client interaction and innovative problem-solving.