Top Software Engineer Jobs

Design, develop, and maintain scalable full-stack web applications using Java, JavaScript, modern frontend frameworks, REST APIs, databases, and AWS services. Build secure backend services, responsive interfaces, and reliable cloud deployments. Collaborate with product managers, designers, and engineers to translate requirements into technical solutions, troubleshoot issues, and improve application performance and quality. The role requires an active Secret clearance, with TS/SCI preferred.

Develop mission-planning algorithms for autonomous vehicles, including graph search and behavioral-planning integration. Build, test, and improve software directly on robotic platforms while collaborating across Mission Planning, Cloud Services, and vehicle autonomy teams. Contribute to technical direction, coordinate cross-functional initiatives, and create scalable solutions for sequential decision-making under uncertainty using MDPs and related frameworks.

Build and maintain complex, reusable, testable user interfaces using JavaScript, TypeScript, and React. Develop optimized, scalable applications; fix bugs; investigate production issues; collaborate with backend, product, project management, and engineering teams; conduct code reviews; promote accessibility and quality; evaluate technologies; and deliver projects on schedule using Agile and Lean practices.

Lead maintenance and expansion of a flagship Windows client-server accounting product. Design, implement, test, and document features; maintain large legacy C++ codebase while developing in C#/.NET. Collaborate with cross-functional teams, gather user requirements, optimize databases, ensure code quality, and apply finance domain knowledge to deliver reliable accounting software.

Develops and maintains high-fidelity spacecraft simulation models, including environmental, vehicle, sensor, effector, and interface models. Responsibilities include real-time and faster-than-real-time simulation, HWIL testing, FDIR fault modeling, verification and unit testing, SQA tool development, and support for flight software, ground software, and operations teams. The role collaborates with aerospace, GNC, vehicle software, and subsystem engineers.

Design and develop embedded Linux platform infrastructure for TeraWave satellite communications systems. Responsibilities include process management, IPC frameworks, kernel modules, device drivers, kernel optimization, hardware integration, system debugging, networking performance tuning, secure boot, runtime security, credential management, and full software lifecycle ownership across LEO satellites, terminals, and gateways.

Develop, prototype, modify, integrate, and support mission-focused CNO software for national security projects. Responsibilities include augmenting toolsets, analyzing and documenting requirements, building prototypes, delivering software within mission constraints, supporting fielded systems, and collaborating with analysts, operators, data scientists, engineers, and customer leadership. The role requires software development in C, C++, and Python across Linux, Windows, and embedded environments, plus reverse engineering and systems engineering leadership.

Design, implement, and operate key components of a high-throughput link harvesting and evaluation pipeline. Lead architecture and technical decisions, mentor junior engineers, adopt AI/ML (LLMs) in production, ensure system reliability and low impact on other services, and maintain high code quality with CI/CD and production support.

Develop and implement scalable software components using design specifications and modern engineering practices. Responsibilities include architecture, coding, debugging, unit testing, documentation, integration, deployment, and CI/CD pipeline development. The role involves working with databases, web services, microservices, containers, messaging systems, and design patterns while estimating development work and collaborating with stakeholders. This position supports a government client and requires onsite work five days per week in Frisco, Texas.

Build and maintain scalable, user-facing applications throughout the full software development lifecycle. Responsibilities include designing, coding, testing, instrumenting, and deploying high-quality software to Kubernetes, developing business and systems expertise, and contributing to product innovation. Engineers may specialize in Big Data, Full Stack, or Machine Learning while supporting ZipRecruiter’s marketplace.

Develops and implements full-stack software solutions from concept through production using agile methods. Designs, modifies, and enhances applications; writes front-end and back-end code; solves complex technical and workflow problems; evaluates architecture and operating environments; collaborates with cross-functional teams; and identifies system improvements. The role requires DHS suitability and participation in a government investigation and skills assessment.

Develops and maintains backend software on IBM i using RPG, SQLRPGLE, CLP, and DB2 for i. Integrates applications with relational databases and enterprise systems, writes tested code, contributes to CI/CD, tracks defects, and supports quality delivery. Collaborates with engineers, product managers, and QA through Agile practices and shares on-call responsibilities. Learns modern integration patterns and agentic AI coding tools while critically reviewing AI-generated code for correctness, quality, and security.

Develop and maintain full-stack software using MERN and AWS. Responsibilities include analyzing requirements, designing and configuring systems, coding, testing, debugging, troubleshooting incidents, documenting solutions, monitoring system health, and supporting microservices, event streaming, CI/CD, and data-processing architectures. The engineer will independently resolve well-scoped technical problems, collaborate with teammates, and contribute to reliable incremental delivery.

Develop and maintain full-stack applications using Java, Spring Boot, Angular, React, JavaScript, REST APIs, and relational databases. Build tested, reusable software; troubleshoot defects; support CI/CD pipelines, deployments, monitoring, and production incidents. Collaborate with product, UX, QA, DevOps, and engineering teams in Agile and DevSecOps environments while contributing to code reviews, testing, and secure development practices.

Develop and support full-stack enterprise applications using Java, Spring Boot, Angular or React, JavaScript, REST APIs, microservices, and relational databases. Translate business needs into technical solutions, contribute to architecture and code reviews, develop automated tests, support CI/CD pipelines, troubleshoot production issues, and collaborate with UX, QA, DevOps, architecture, and product teams. The role also involves application modernization, secure development, and production performance analysis.

Develop and maintain software systems, network and records applications, and analytical tools that collect and analyze operational data. Manage full lifecycle software development in an Agile environment, create detailed designs and interfaces, deliver software to customer requirements, and support program meetings and reviews. The role requires extensive full-stack development experience, testing, DevOps, cloud, databases, and web technologies.

Develop and maintain TaxConnex’s proprietary web-based sales tax compliance platform. Responsibilities include full SDLC execution, requirements gathering, cloud architecture, backend development in PHP and Python, AWS serverless services, API and data processing, React frontend development, testing, production support, and troubleshooting. Senior engineers also provide technical direction, lead code reviews, mentor developers, and manage software development initiatives.

Build and lead scalable data governance systems across the data platform, including privacy policy enforcement, metadata and lineage management, data security, regulatory compliance, and purpose-driven access. Architect reliable systems for high-volume data environments, shape technical strategy and roadmaps, collaborate with Privacy, Legal, Security, and Trust teams, and mentor engineers across backend infrastructure and data engineering.

Develop advanced data management, analysis, and visualization tools for a National Space Intelligence Center customer. Work across multiple application stacks and support full-stack engineering using Angular, Express.js, FastAPI, TypeScript, JavaScript, Python, containerization, orchestration, monitoring, and CI/CD technologies. The role is full-time on-site at Wright Patterson Air Force Base and requires an active TS/SCI clearance.

Build and maintain scalable APIs, backend services, distributed architectures, and applications. Collaborate with engineering teams to design, troubleshoot, and ship reliable software, with opportunities to contribute to frontend systems. The 12-week internship includes hands-on product work, technical learning, networking, and leadership engagement.

Develop and maintain Java-based enterprise software for Mastercard’s fraud prevention and payment processing platforms. Design scalable services and APIs, contribute to architecture discussions, build automated unit and integration tests, perform code reviews, troubleshoot production issues, optimize performance, and improve deployment automation. Collaborate with engineering, quality, product, and platform teams in an Agile environment while applying secure coding, observability, reliability, and scalability practices.

Develop and maintain Java-based microservices and RESTful APIs for Mastercard’s scalable Core Payments platforms. Design solutions, participate in architecture discussions, build automated tests, support CI/CD, improve performance and reliability, apply secure coding practices, conduct code reviews, troubleshoot production issues, and collaborate with engineers, testers, product owners, and stakeholders in an Agile environment.

Develops, tests, secures, deploys, sustains, and modernizes Agile and DevSecOps applications across unclassified and classified environments. Responsibilities include user-story development, backlog and release-plan maintenance, secure coding, vulnerability remediation, CI/CD pipeline support, source-code management, and cloud or government data-center deployments using approved programming languages and platforms.

Build, modernize, deploy, and support secure cloud-native enterprise applications. Design scalable software, contribute to architecture, conduct code reviews, troubleshoot complex issues, and maintain automated testing and CI/CD pipelines. Deploy workloads on Kubernetes and Azure, improve observability and operational reliability, and use AI-powered tools and automation to enhance development. Analyze CVEs, drive security remediation, support Linux and Windows environments, participate in incident response, and mentor junior engineers.

Develop scalable Python software for an AI-driven public-services platform; automate CI/CD pipelines with Jenkins and infrastructure-as-code tools; build automated unit, integration, and regression tests; containerize applications; investigate failures; integrate security and code-quality gates; optimize backend performance; and collaborate with human-centered design specialists. The role also supports DevSecOps practices, REST APIs, agile delivery, and potentially NLP, LLM, and federal compliance initiatives.