Top Senior Software Engineer Jobs

Develop, modernize, refactor, test, integrate, and deploy mission-critical Java applications in classified DoD environments. Responsibilities include analyzing legacy codebases, building REST and gRPC services, integrating Oracle databases and enterprise messaging systems, creating Docker containers, supporting Kubernetes deployments, and owning technical deliverables through demonstrations. The role requires troubleshooting, documentation, runtime configuration, logging, and health monitoring for enterprise software systems.

Lead the design, development, deployment, and support of scalable .NET backend applications on Azure. Build microservices, REST APIs, and event-driven systems using Azure services, Docker, and AKS. Implement CI/CD pipelines and Infrastructure as Code, while improving reliability, security, observability, and performance. Troubleshoot complex production issues and collaborate with engineering, architecture, platform, and business teams.

Designs, develops, tests, and maintains complex software systems and features. Leads small teams, mentors junior engineers, provides technical guidance, participates in architecture decisions, conducts code reviews, and collaborates with product managers, designers, and engineers to deliver high-quality solutions. The role requires software development experience, programming expertise, database knowledge, cloud platform experience, and the ability to integrate AI tools and concepts into development processes.

Leads full-cycle technical implementations of a cloud-native digital banking platform, including requirements discovery, configuration, custom development, integrations, testing, data migration, environment management, deployment, and production support. Serves as the primary technical client contact, translates business needs into solutions, troubleshoots technical issues, coordinates cross-functional delivery, and improves implementation processes, documentation, tooling, and reusable components.

Design, develop, deploy, and support enterprise integration services, APIs, event-driven platforms, and cloud-based solutions primarily on Microsoft Azure. Collaborate with architects, product owners, engineers, and business stakeholders; troubleshoot production issues; improve reliability, security, performance, and engineering practices; maintain automated testing and CI/CD pipelines; and mentor junior and mid-level engineers.

Develop and deploy production software for Blue Origin’s operations technology. Responsibilities include coding in TypeScript, Java, and Go; building React and Angular interfaces; integrating ML models, GraphQL, and REST services; using cloud platforms and containerization; mentoring engineers; and documenting tools and processes.

Develop and integrate software, algorithms, and data-processing pipelines for remote sensing, SAR, RF, radar, and geospatial systems. Responsibilities include architecture, backend and API development, workflow orchestration, sensor-data analysis, system integration, testing, optimization, deployment, and technical documentation. Collaborate across software, systems, data science, and intelligence disciplines while providing technical leadership on complex projects.

Build and maintain third-party integrations for HRIS, payroll, ATS, notification, and business intelligence platforms. Develop configuration-driven integration systems, APIs, data pipelines, AI features, developer tooling, monitoring, and alerting. Own the full development lifecycle, including research, implementation, testing, deployment, troubleshooting, and maintenance. Collaborate with product, customer success, external partners, and engineering teams to improve reliability and customer impact.

Design, develop, and operate scalable conversational AI applications, virtual agents, APIs, microservices, and serverless services. Architect dialogue flows, integrations, security controls, data pipelines, and RAG-enabled knowledge systems. Build Jenkins CI/CD pipelines, troubleshoot production issues, participate in architecture and roadmap discussions, and collaborate in Agile delivery teams.

Develop and support enterprise Dynamics 365 and Power Platform solutions in a government cloud environment. Responsibilities include configuring Customer Service and Field Service, developing C#/.NET plugins and workflows, building Power Apps, integrating external systems through Azure services and REST APIs, implementing Dataverse data models, maintaining security compliance, and documenting technical solutions.

Manages and grows a mobile software engineering team, oversees mobile application development and deployment, enforces coding and testing standards, mentors engineers, supports production systems, and coordinates with web, infrastructure, UX, and design teams. The role also manages project timelines, SLAs, technical issues, software development processes, and partnerships while contributing code and improving delivery practices.

Develop and maintain secure enterprise Java applications using Java 17+, REST APIs, JSP, Jakarta Servlets, LDAP, PKI, and Linux. Deploy and tune applications on Apache Tomcat and HTTPD, build front-end interfaces, manage MariaDB/MySQL persistence through JDBC and DAO patterns, and support cryptographic certificate workflows. The role requires active TS/SCI with full-scope polygraph and full-time onsite work in Dulles, Virginia.

Build and lead a customizable, enterprise-scale search retrieval platform. Responsibilities include designing retrieval APIs and search services, managing ingestion and indexing pipelines, enabling hybrid retrieval and ranking, operationalizing evaluation and observability, enforcing multi-tenant security, owning SLOs and on-call, and partnering with product, research, and applied science teams. The role also sets architectural direction, leads cross-team initiatives, and mentors engineers.

Build and operate Thomson Reuters’ scalable search platform, including document ingestion pipelines, indexing systems, query APIs, cloud infrastructure, and AI-enabled retrieval capabilities. Responsibilities include designing distributed services, migrating from OpenSearch to Vespa, improving observability and reliability, participating in on-call, owning production incidents, mentoring engineers, and collaborating with research scientists and client teams to deliver search and AI features.

Design, build, and operate a scalable search control plane managing provisioning, configuration, upgrades, indexing, and retirement across Kubernetes, Kafka, Vespa, and OpenSearch. Own multi-tenant security, observability, SLOs, infrastructure as code, CI/CD, capacity planning, reliability, and incident response. Provide technical leadership, establish architectural standards, lead infrastructure initiatives, partner with client teams, and mentor engineers.

Develop highly available, scalable cloud-based integration services for Axon’s real-time operations platform. Drive cross-team technical architecture, integration frameworks, partner onboarding, technical roadmaps, and reusable platform components. Collaborate with engineering, product, design, professional services, and external partners; lead architecture reviews, mentor engineers, improve engineering processes, and leverage AI to enhance customer experiences.

Develops and maintains C++ and Java signal-processing software for RF systems. Responsibilities include designing algorithms, analyzing requirements, debugging and integrating software, implementing digital modulation and demodulation techniques, performing testing and quality control, documenting solutions, and leading software development teams. Requires advanced Linux knowledge, expertise in digital signal processing and communications theory, and the ability to work with complex timing, resource, and interface constraints.

Maintains, troubleshoots, enhances, and modernizes legacy enterprise applications and distributed systems. Develops and tests software modules, interfaces, APIs, and components; performs code and design reviews; resolves operational issues; supports security upgrades and compliance; and collaborates with cross-functional teams in Agile environments.

Designs, develops, deploys, and supports healthcare integrations using Mirth Connect, HL7v2, JavaScript, and related protocols. Responsibilities include building interface workflows, troubleshooting production issues, improving reliability and monitoring, collaborating with healthcare partners and engineering teams, participating in on-call support, reviewing designs and configurations, documenting solutions, and mentoring engineers. Experience with FHIR, EHR/EMR integrations, healthcare interoperability standards, APIs, cloud platforms, and additional interface engines is preferred.

Build and support full-stack applications using Ruby on Rails, React, JavaScript, and TypeScript. Responsibilities include designing APIs, working with SQL databases and messaging systems, writing automated tests, reviewing code, resolving production issues, supporting deployments, documenting technical decisions, and participating in architecture discussions and on-call support. Collaborate with product managers and cross-functional teams to deliver reliable software.

Develop and sustain a production React application supporting DoD and industry information exchange. Responsibilities include building front-end enhancements, troubleshooting production issues, integrating APIs, improving usability and performance, translating stakeholder requirements, supporting Agile planning and releases, and maintaining reliable business-process workflows. The role requires collaboration with government stakeholders, engineers, testers, and product teams while balancing operational support with enhancement development.

Develop AI networking communication frameworks, production tools, and large-scale benchmarking systems for data center and supercomputing environments. Build automation for parameter optimization, enable AI model benchmarking, analyze workloads across hardware and software stacks, and collaborate with networking and hardware teams on co-designed features and interfaces.

Develop modern, secure, and scalable web GUI applications for embedded and network-connected timing and synchronization systems. Build ReactJS interfaces using JavaScript, TypeScript, HTML5, CSS3, and REST APIs; collaborate within modern software development workflows; debug and solve complex problems; and apply cybersecurity, vulnerability management, secure design, CI/CD, and automated testing practices.

Lead architecture, design, and delivery of hyperscale distributed storage and database platform capabilities. Drive technical strategy across storage, data protection, capacity planning, and AI-native system design. Partner cross-functionally, use telemetry and experimentation to optimize performance and reliability, lead live-site excellence and operational automation, establish technical standards, and mentor engineering leaders.

Designs and delivers cloud-based software solutions with strategic customers and Microsoft product teams. Leads requirements definition, architecture, dependency identification, design documentation, and development of maintainable code. Mentors engineers, contributes to open-source assets, coordinates project and release plans, and serves as a designated responsible individual for system reliability, monitoring, on-call support, performance, and operational improvements.