Top Senior Software Engineer Jobs

Develop and maintain software supporting U.S. government missions. The role involves daily software engineering responsibilities using Python, PySpark, and AWS services including Lambda, Glue, and DynamoDB. Candidates must hold an active Top Secret/SCI clearance with a favorable polygraph and be U.S. citizens. The position requires seven years of relevant software engineering experience and a bachelor's degree or an approved experience substitution.

Develops and secures access-control and permission-management solutions for critical HPC systems. Responsibilities include Linux security administration, RBAC/ABAC, IAM with Keycloak, identity federation, SSO, Vault integrations, Ansible automation, containerization, CI/CD, and Git-based development. The role requires maintaining compliance with agency security policies and industry standards while supporting mission-critical government systems.

Designs, develops, deploys, and supports production software in high-performance Linux environments. Builds containerized applications and Kubernetes services using Python, Helm, and CI/CD automation. Develops generative AI solutions involving LLMs, RAG, embeddings, vector databases, and inference systems. Supports observability with Prometheus and Grafana, applies DevSecOps practices, and delivers secure, scalable mission-critical systems in a cleared environment.

Designs, implements, and optimizes data ingress and egress pathways for scalable analytics workloads. Develops software using Python and Java, automates processes with Bash, orchestrates workflows through Apache Airflow, and processes large datasets with Apache Spark. Responsibilities include SQL-based data manipulation, data wrangling, validation, anomaly detection, and handling structured and unstructured data. Requires a current Top Secret/SCI clearance with favorable polygraph.

Develop and maintain software supporting U.S. government mission needs using Python, Kotlin, Java, Terraform, Elasticsearch/OpenSearch, and AWS. The engineer will assist with daily software engineering responsibilities, innovate solutions, and contribute to projects of similar scope and complexity. The role requires a current Top Secret/SCI clearance with favorable polygraph, U.S. citizenship, seven years of software engineering experience, and a relevant bachelor’s degree or qualifying experience substitution.

Develop and maintain C# and .NET software using object-oriented design, testing, CI/CD, automation, and modern engineering practices. Analyze requirements, troubleshoot complex applications, participate in Scrum ceremonies, conduct code reviews, document technical solutions, and contribute to distributed systems, REST services, microservices, containerization, and AI-enabled projects. Provide technical guidance, collaborate across teams, and continuously improve development processes.

Leads software engineering for infrastructure platforms, delivering secure, scalable, and resilient production systems. Designs, develops, tests, troubleshoots, and reviews code while driving automation, remediation, and modernization initiatives. Guides teams in responsible AI-assisted engineering, validating outputs for correctness, security, performance, and auditability. Leads infrastructure workstreams, evaluates vendor technologies, and architects solutions across public and private cloud environments, with a focus on Apigee, Python, and enterprise technology platforms.

Develops and validates embedded flight software for spacecraft, including RTOS and embedded Linux applications, hardware drivers, unit tests, and hardware-in-the-loop integration. Collaborates with systems and embedded engineers on requirements, participates in code and design reviews, and supports on-orbit flight operations. The role requires proficiency in Rust, C++, and C, extensive embedded software experience, technical leadership, and the ability to obtain an active security clearance.

Develops software for high-performance computing, large-data analytics, and advanced information technology programs. The role requires backend development using MongoDB, Scala, Java, and AWS, with some UI work. Candidates must have seven years of software engineering experience on comparable programs, a bachelor's degree or equivalent additional experience, and an active TS/SCI clearance with polygraph.

Build backend and developer productivity systems that help engineers and AI agents ship software safely at high volume. Responsibilities include rebuilding CI/CD, creating ephemeral development environments, automating testing and deployments, developing AI code review and security pipelines, conducting continuous penetration testing, securing agent access, and measuring improvements to the development lifecycle. The role also contributes to product features across video creation, rendering, and developer platforms.

Leads the design, development, and support of secure, scalable cloud applications for transfer learners. Architects APIs, microservices, asynchronous workflows, integrations, AI-assisted document processing, and learner-facing applications. Provides technical direction, mentors engineers, establishes testing, observability, security, accessibility, and documentation practices, and ensures FERPA-compliant handling of sensitive academic records. Collaborates with product, design, architecture, and institutional stakeholders while evaluating emerging AI technologies and supporting production systems.

Develop, integrate, deploy, troubleshoot, and sustain enterprise software for DoD customers across the full SDLC. Build and enhance solutions using Java, Spring Boot, Python, PostgreSQL, NoSQL databases, and CI/CD practices. Collaborate with software, systems, QA, and DevOps teams; support installations, code reviews, testing, technical documentation, and defect resolution for the GATEKEEPER product.

Develop and support front-end and full-stack ICAM products for Zero Trust architecture. Responsibilities include integrating React front-end and Java/Spring Boot back-end components, designing and implementing features, testing, deployment, production support, cloud integration, and CI/CD development. The engineer will collaborate with senior and principal contributors and communicate architecture and design concepts.

Develop platform software using container runtimes and Kubernetes to enable GPU-accelerated applications. Design systems software for container orchestration, cloud-native environments, and distributed systems. Integrate software across NVIDIA engineering teams while addressing performance, security, reliability, and evolving priorities. The role involves Rust and Go development, Linux system internals, container sandboxing, confidential computing, virtualization, and GPU resource management.

Develop software for complex aerospace systems throughout the lifecycle, including design, implementation, integration, troubleshooting, verification, and delivery. Collaborate with systems engineers, test engineers, and software developers in a DO-178C-driven environment. Translate software-level requirements into reliable solutions, support certification activities, debug system and lab integrations, and adapt to evolving technical priorities. The hybrid role is based in the Greater Seattle area and requires substantial professional software development experience.

Design and develop aerospace software while maintaining architectural vision. Modernize Linux-based platforms, apply RTCA DO-178C standards, define and decompose software requirements, and support verification, validation, safety analysis, systems integration, and reliable airplane network functionality. Collaborate with systems and test engineers, conduct risk and trade-study analyses, and contribute hands-on software engineering in an agile environment.

Develop and integrate software for the JASSM weapon system, focusing on web-based targeting and strike-planning applications. Responsibilities span the full software engineering lifecycle, including design, development, troubleshooting, continuous improvement, and collaboration with cross-functional teams. The role uses C#, TypeScript, Microsoft SQL, Agile practices, modern frameworks, microservices, APIs, and DevOps tools. A DoD Secret clearance and U.S. citizenship are required.

Develop and lead scalable SaaS backend services using Go and Node.js on AWS. Design Kafka-based event workflows, APIs, data models, integrations, and reliable distributed systems. Own complex initiatives from discovery through production support, guide architecture and technical standards, improve observability and incident response, conduct reviews, mentor engineers, and manage technical roadmaps. Collaborate across teams to deliver maintainable, high-performance products with strong testing, deployment, and operational practices.

Lead technical execution of a Salesforce delivery pod across Sales, Service, and Configuration workstreams. Provide hands-on development, architecture guidance, code and config reviews, CI/CD and release management, integration and data migration oversight, production troubleshooting, security and governance adherence, and mentor team members to ensure high-quality agile delivery.

Develop, test, integrate, and maintain high-reliability aerospace flight software in C++, along with internal Python tools. Collaborate across engineering teams, follow aerospace software processes, support vehicle testing and on-orbit operations, and meet strict functional and performance requirements. The role requires strong object-oriented design, Linux and real-time operating system familiarity, effective communication, and the ability to work in a fast-paced environment.

Develop and maintain responsive, accessible front-end applications using React, Svelte, Vue.js, HTML, CSS, and JavaScript. Build end-to-end software solutions, improve system architecture, apply DOM manipulation, create reusable code, and collaborate in Agile environments. Integrate front-end applications with back-end services while supporting user experience, responsive design, performance, and long-term maintainability. The role requires TS/SCI clearance with polygraph and includes a skills assessment.

Designs, develops, tests, maintains, and supports secure, scalable software and cloud infrastructure. Responsibilities include microservices, APIs, databases, asynchronous processing, automated testing, CI/CD, observability, production incident response, Agile delivery, and senior-level technical ownership. The role collaborates cross-functionally, decomposes work, improves engineering standards, and may participate in rotating on-call support.

Design, develop, and maintain scalable backend services, RESTful APIs, and microservices using Java and Spring Boot. Integrate databases and external services while ensuring performance, security, and reliability. Collaborate with cross-functional teams, conduct code reviews, debug and optimize applications, write tested code, and contribute to CI/CD pipelines and cloud deployments.

Leads development and integration of communication software for advanced aircraft systems. Designs, tests, debugs, documents, and validates C/C++ software while supporting CI/CD, integration events, agile delivery, version control, and subsystem testing. Mentors junior developers, contributes to architecture, and drives continuous improvement across the software development lifecycle.

Develop and maintain software applications supporting AWACS sustainment activities. Responsibilities include cybersecurity compliance, translating customer requirements into functional software systems, troubleshooting web applications and server connectivity, maintaining Windows, IIS, and SQL environments, and delivering software contract deliverables. The role collaborates with Boeing stakeholders and external customers and requires independent work, U.S. citizenship, and Secret clearance eligibility.