Top Senior Software Engineer Jobs

Design, develop, integrate, test, deploy, and sustain secure, scalable cloud-native applications for DoD/IC missions. Participate in full SDLC, support installation and operational deployment, troubleshoot and resolve issues, enhance performance and security, produce technical documentation, and collaborate in Agile teams with DevSecOps and cloud architects.

Design, develop, integrate, test, deploy, and maintain high-performance Java enterprise applications for large-scale distributed computing. Support CI/CD, IaC (Ansible/Puppet), containerized (Docker/Kubernetes) microservices, troubleshoot production issues, participate in architecture and code reviews, mentor junior engineers, and provide Tier III on-call support within Agile teams.

Join an Agile team as a Software Engineer, responsible for the complete software development lifecycle, system analysis, and robust solution implementation.

Own the architecture and development of critical backend and cloud platform domains. Design scalable, secure, multi-tenant distributed systems on AWS, including event-driven services, APIs, data models, and AI/ML infrastructure. Lead major initiatives from design through release, align cross-functional stakeholders, establish engineering standards, mentor engineers, and drive reliability, observability, security, and cost-efficiency improvements.

Own design and delivery of internal and customer-facing software tools across frontend, desktop, backend, and data systems. Make architectural decisions, build reliable scalable services and desktop apps, implement CI/CD and containerized deployments, and collaborate across teams to meet deadlines and performance standards.

Design, build, and maintain front- and back-end components of a real-time syndicated loan platform. Collaborate with Product and UX, write clean code, implement test automation, optimize performance and scalability, maintain a design system, mentor teammates, and support deployments and infrastructure work.

Design, develop, integrate, and test simulation and flight-training software. Architect applications, participate in full SDLC and Agile Scrum teams, collaborate with systems, test, and DevSecOps teams, and analyze system capabilities to meet program requirements.

Design and build core data infrastructure (ingestion, normalization, storage, indexing); ship full-stack features (Python backend, TypeScript/Next.js frontend); create queryable schemas for heterogeneous lab data; collaborate with scientists to translate domain problems into software; own reliability and tradeoffs.

Design, build, test, and deploy geospatial analytic applications and data pipelines on Palantir Foundry and related Palantir platforms. Implement ontologies, data normalization, matching algorithms, and analytics for GEOINT; integrate external geospatial services (ESRI, OSM, OGC). Document architectures, define data provenance and acceptance criteria, and support RMF/A ATO processes in an intelligence/DoD context.

Design, develop, test, and deploy signal- and image-processing software for defense customers. Lead small teams, mentor junior engineers, integrate ML and HPC tools, and ensure solutions meet mission requirements and deployment standards.

Support development, sustainment, and production support of enterprise HR applications. Build and consume RESTful APIs, improve performance and reliability, maintain Linux environments, write automated tests, assist deployments, and work in an Agile DevSecOps environment while supporting mission-critical systems for a national security customer.

Maintain and enhance React-based enterprise web applications supporting DoD business operations. Develop features, troubleshoot production issues, integrate with REST APIs, improve performance, collaborate with stakeholders, and participate in Agile ceremonies to ensure secure, scalable, user-friendly solutions.

Develop, maintain, and support full stack enterprise web applications for HR operations. Provide production support, troubleshoot issues, implement scalable front- and back-end components, design/consume RESTful APIs, participate in Agile ceremonies, automate testing and deployments, and sustain Linux-based environments for a national security customer.

Develop, maintain, and integrate Java/J2EE modules for a DoD enterprise Military Housing system. Participate in Agile development, gather DoD requirements, perform debugging, code reviews, testing, CI/CD integration, and provide operational support while ensuring secure coding and DoD compliance.

Design, implement, test, and deploy mission operations and ground software for on-orbit vehicles. Collaborate with vehicle, systems, and operations teams to define requirements and architectures, build prototypes, integrate components, run unit and system tests (SIL/HIL), support CI/CD and release processes, produce documentation, and support mission control operations, training, and pre-flight validation.

Design, develop, and operate highly scalable distributed cloud control plane systems. Identify and resolve performance/scalability bottlenecks, deliver end-to-end projects, improve observability, ensure production readiness, and mentor junior engineers.

Lead development of secure, scalable Java/Spring backend systems; design, implement, debug, and review code; drive adoption of AI-assisted engineering, CI/CD, event-driven architecture (Kafka), and operational resilience; lead technical evaluations and communities of practice.

Build and own enterprise platform components end to end, integrating with customer infrastructure and self-managed Kubernetes environments. Develop observability, improve reliability and availability, debug distributed systems, address security vulnerabilities, and deliver production software for enterprise users. Collaborate with product and technical leads, mentor engineers, and maintain hands-on ownership across design, implementation, deployment, and production operations.

Develop and operate SpiceDB and AuthZed’s open-source authorization ecosystem. Design, implement, test, deploy, and optimize distributed systems involving databases, cloud infrastructure, query planning, scalability, reliability, and performance. Participate in production operations and on-call rotations, troubleshoot complex issues, collaborate with users and contributors, mentor engineers, and contribute to technical documentation and industry discussions.

Build and own a scalable operational platform supporting site acquisition, permitting, construction, deployment tracking, and launch readiness. Design APIs, data models, workflows, integrations, and production services with strong auditability, observability, reliability, and recovery. Partner cross-functionally with operational teams, replace manual processes, ship measurable improvements, participate in on-call and incident response, and mentor engineers while remaining hands-on in software development.

Lead architecture and development of large-scale software platforms, mentor engineers, evaluate technologies, and collaborate with product and business stakeholders. Responsibilities include production support, on-call participation, observability, database strategy, capacity planning, deployment, and maintenance of cloud and physical infrastructure.

Leads the architecture and development of scalable, cloud-native backend systems using Python. Coordinates engineers, sets technical direction, establishes engineering standards, mentors teams, and drives technical roadmaps. Designs highly available, fault-tolerant systems with strong security and disaster recovery. Collaborates with product, infrastructure, operations, customers, and external partners while optimizing performance, reliability, and maintainability.

Designs, develops, and maintains full-stack situational awareness and planning tools. Builds React and TypeScript interfaces, 2D/3D geospatial experiences, Node.js APIs, real-time data services, offline-first storage, synchronization, and Electron desktop integrations. Responsibilities include architecture, performance, reliability, security, testing, deployment quality, and collaboration with product owners, operators, and engineers on mission-critical software.

Designs, builds, and maintains backend APIs and data pipelines supporting clinical workflows and real-time data exchange. Drives platform architecture, code quality, testing, reliability, data integrity, compliance, and inspection readiness. Collaborates with product, design, machine learning, infrastructure, clinical, QA, and regulatory teams while mentoring engineers and contributing to a SaaS healthcare platform.

Develop software within cloud services for a national security sponsor using Python, JavaScript, TypeScript, and cloud integrations. Build and integrate services such as Lambdas, SNS, and SQS; apply systems administration knowledge; and collaborate with technical teams across organizational boundaries. The role requires an active TS/SCI clearance and the ability to obtain a full-scope polygraph. Experience with reverse-engineering tools, multiple cloud providers, and additional programming languages is preferred.