Top Senior Software Engineer Jobs

Designs, develops, deploys, and maintains enterprise-grade full-stack applications and distributed systems. Responsibilities include Java and Spring Boot backend development, React frontend development, RESTful APIs, microservices architecture, SQL databases, cloud deployments, CI/CD, system design, observability, and production support. The role also contributes to event-driven architectures, container orchestration, automated testing, and scalable cloud-native services.

Diagnose and resolve complex production issues in a Java court case management platform. Responsibilities include debugging backend services, databases, ESB integrations, XML/XSLT transformations, JMS messaging, SOAP/REST services, and third-party e-filing systems. The engineer will collaborate on issue triage, document root-cause analyses, participate in code reviews, support legacy modernization toward Spring MVC and modern front-end frameworks, and maintain production system reliability.

Design, build, and ship full-stack fintech features end-to-end. Work on cross-border payments, compliance automation, AI-enabled financial systems, stablecoin integrations, resilient infrastructure, and UX. Collaborate with product and design, prototype rapidly, harden solutions, maintain CI/CD and monitoring, and resolve production issues.

Design, build, and operate high-throughput backend services on Claude’s token-generation path. Own latency, reliability, SLOs, incident response, safe deployments, graceful degradation, and cost efficiency. Lead technical direction, design reviews, tradeoffs with inference and research teams, mentoring, and operational improvements across the Safeguards organization.

Lead end-to-end product builds by orchestrating AI coding agents to create applications, automations, and agents. Translate customer needs into deployable solutions, instrument and iterate on outcomes, validate AI outputs for security and quality, engage with customers to find automation opportunities, and document prompts and patterns for the team.

Design, develop, test, deploy, operate, and modernize Java/Spring Boot applications in mission-critical environments. Lead complex feature implementation, make technical decisions, collaborate with cross-functional teams, and apply generative AI across the software development lifecycle. Responsibilities include API and database integration, cloud-native development, CI/CD, automated testing, security, compliance, observability, and production support.

Designs, develops, enhances, debugs, tests, integrates, and supports software applications for an Army client. The role troubleshoots production issues, evaluates software tools, performs feasibility analysis, elicits requirements, demonstrates prototypes, develops documentation, and leads software development team members. It requires collaboration with stakeholders and addressing systems integration, compatibility, and multi-platform challenges.

Design, build, test, deploy, and operate secure, scalable Java and Spring Boot microservices and REST APIs on GCP. Own architecture, CI/CD, infrastructure as code, performance testing, observability, and reliability for vehicle care platforms. Collaborate in Agile teams, lead technical design discussions, conduct code reviews, and mentor engineers while supporting always-on customer-facing applications.

Lead enterprise-scale ServiceNow solution design and development across HR, Legal, and Finance. Build upgrade-safe frameworks, automation, AI-powered workflows, reporting, dashboards, and complex REST/SOAP integrations. Own delivery from requirements and architecture through deployment, testing, and production support. Apply platform governance, security, DevOps, and upgrade-readiness standards while mentoring developers and partnering with Product and Architecture teams.

Design, build, and operate high-throughput backend services and scalable APIs for insurance and fintech products. Lead cross-team initiatives across pricing, checkout, booking, and servicing systems. Launch zero-to-one products, iterate post-launch, write maintainable performant code, troubleshoot distributed systems, leverage AI-assisted development tools, and participate in quarterly on-call rotation.

Provides technical leadership for designing, implementing, testing, integrating, and maintaining high-reliability C++ flight software for spacecraft and launch vehicles. Develops Python-based internal tools, collaborates with multidisciplinary engineering teams, supports vehicle testing and launch operations, and follows aerospace software processes. Requires strong object-oriented design, C++, Linux, real-time systems, communication, and deadline-management skills.

Design, develop, and maintain scalable Java backend services, REST APIs, microservices, and data solutions for a GEOINT mission platform. Build cloud-native AWS applications, optimize PostgreSQL, MySQL, and Elasticsearch/OpenSearch systems, and provide technical leadership through architecture decisions, code reviews, troubleshooting, mentoring, and development standards. Collaborate with engineers, product owners, DevSecOps teams, mission users, and program leadership in an Agile CI/CD environment.

Designs and develops responsive web applications for GEOINT mission data using React.js and JavaScript. Translates requirements into reusable interfaces, integrates REST APIs and microservices, and provides technical leadership through architecture, code reviews, mentoring, testing, CI/CD, troubleshooting, and performance improvements. Collaborates with engineers, product owners, UX professionals, mission users, and program leadership in an Agile environment.

Develop and maintain Android applications across the full product lifecycle. Collaborate with product, design, and business teams to deliver features using Kotlin, Java, Jetpack Compose, MVP/MVVM, and REST APIs. Implement authentication and analytics features, refactor and modularize code, conduct code reviews, write unit tests, support CI/CD builds, document functionality, and continuously improve application architecture and development practices.

Design, develop, modernize, and enhance mission-critical ground-system software and real-time space capabilities. Build microservices, improve system performance and resilience, process data, and support system communications. Collaborate cross-functionally to solve complex engineering problems, transition legacy applications, and deliver complete cloud-based solutions using modern back-end and front-end technologies. The role requires TS/SCI clearance with polygraph and participation in a skills assessment.

Develop and maintain scalable back-end systems, APIs, custom tools, and web applications using Python and modern architectural approaches. Collaborate cross-functionally to solve complex problems, identify risks, modernize systems, and support agile software development. The role may involve virtualization, CI/CD pipelines, automated testing, middleware, data integration, and API development. A TS/SCI clearance with polygraph is required.

Design, develop, modernize, and enhance mission-critical software for space-domain ground systems and real-time operations. Build microservice-based architectures, process data, improve system communication and resilience, and deliver front-end and back-end solutions. Collaborate cross-functionally to solve complex engineering problems, automate workflows, and support cloud, containerized, and Linux-based environments. The role requires a Top Secret clearance and participation in a skills assessment.

Lead development of a multimedia review tool supporting petabyte-scale data processing, visualization, analytics integration, ingestion workflows, and deployment across operational environments. Serve as the codebase subject matter expert, lead developers, deliver incremental Agile builds, troubleshoot complex issues, and maintain system consistency across hybrid and classified infrastructures. The role requires Java and front-end development expertise, technical leadership, UI/UX awareness, and an active Top Secret clearance with SCI eligibility.

Develops, integrates, tests, documents, and supports complex software applications and systems. Partners with customers and end users to gather requirements, design solutions, and improve processes. Provides technical leadership, mentorship, training, and user support while applying Agile/Scrum methodologies. Responsibilities include system integration, implementation planning, reporting, documentation, capacity planning, risk management, and coordination with analysts, database administrators, and system administrators.

Develop and maintain multiple applications in an agile environment while meeting stringent laboratory security requirements. The role requires strong Java and Spring expertise, with Angular and MySQL experience preferred. Responsibilities include solving complex IT problems, applying test-driven development, planning and coordinating technical work, and contributing to organizational objectives. The position requires a bachelor's degree with five years of related experience or equivalent, U.S. citizenship, and the ability to obtain and maintain a DOE security clearance.

Develop CUDA-Q core infrastructure for inter-device communication and efficient execution across hybrid quantum-classical systems. Build extensible compiler toolchains integrating quantum architecture components, solve problems spanning compilers, high-performance computing, and quantum computing, and collaborate on software design. Improve development processes and infrastructure while delivering performant, robust production software.

Provides technical leadership for AI Trust and Governance engineering, designing scalable cloud-native services and distributed systems. Responsibilities include architecture, systems programming, concurrency, testing, debugging, deployment, release management, cross-team collaboration, and mentoring engineers. The role requires strong Java or C skills, expertise in distributed systems and consensus algorithms, and ownership of enterprise platform features from design through delivery.

Develop, test, deploy, maintain, and troubleshoot enterprise applications using Java, Spring Boot, Angular, microservices, Azure, IBM platforms, and Oracle technologies. Translate specifications into tested solutions, integrate REST and SOAP services, support migrations and releases, conduct code and design reviews, produce technical documentation, and collaborate with analysts, QA teams, and architects in Agile delivery environments.

Develops production-ready software and end-to-end solutions in an agile environment. Responsibilities include analyzing architectures, writing and enhancing application code, gathering client requirements, automating workflows, resolving complex problems, collaborating cross-functionally, and using automated testing tools. The role requires TS/SCI clearance with polygraph and supports government defense and intelligence missions.

Develops end-to-end software solutions in an agile environment, from requirements analysis and architecture through production deployment. Responsibilities include writing and enhancing source code, resolving workflow issues through automation, analyzing operating environments, implementing system improvements, and collaborating with cross-functional teams. The role uses open-source frameworks, APIs, analytics, infrastructure, automated testing, and CI/CD practices to deliver secure government mission solutions.