Top Software Engineer Jobs

Develop and maintain full-stack software supporting cyber-threat intelligence analysis. Responsibilities include designing user interfaces, application services, and data layers; troubleshooting integration issues; testing, documenting, deploying, and operating mission software; participating in code reviews and technical design; and collaborating with engineers, analysts, and mission stakeholders.

Designs, develops, tests, reviews, and maintains scalable identity and access management applications using Java and JavaScript. Collaborates on requirements, software specifications, coding standards, CI/CD workflows, bug fixes, and technical issue resolution in Agile environments. The role supports authentication infrastructure integrating identity providers, entitlement services, and downstream APIs on AWS ECS and EKS, with opportunities to use AI-assisted development tools and infrastructure-as-code practices.

Develop and maintain the 3DCS dimensional variation analysis platform across multiple modules. Responsibilities include translating requirements into technical solutions, designing C++ functionality, maintaining a long-lived codebase, testing numerical accuracy, performing corrective maintenance, supporting customers, reviewing code, and contributing to technical improvements. The role collaborates with product, application engineering, technical leadership, external partners, and globally distributed teams.

Develop, test, maintain, and productize scalable software for national security and federal research programs. Apply software engineering principles, modern programming languages, version control, CI/CD, automated testing, cloud or container technologies, and performance optimization. Troubleshoot operating systems and I/O, understand network protocols, collaborate with researchers and engineering stakeholders, communicate program status, and travel frequently to sponsor and contractor locations. The position is fully on-site in State College, Pennsylvania, with limited hybrid flexibility.

Develop, test, maintain, and productize scalable software for national-security research programs. Collaborate with engineers, researchers, principal investigators, sponsors, and stakeholders; troubleshoot operating systems and I/O issues; apply software architecture, algorithms, version control, cloud, distributed systems, and container technologies. Provide program updates, support transition efforts, and complete project tasks on schedule. The position is fully on-site in Reston, Virginia, with frequent travel to sponsor and contractor locations.

Develop, test, and productize scalable software solutions for defense and federal research programs. Responsibilities include full-lifecycle software engineering, troubleshooting, performance optimization, technical design, documentation, stakeholder collaboration, program updates, and supporting technology transition efforts. The role is fully on-site in State College, Pennsylvania, with frequent travel to sponsor and contractor locations, including trips lasting up to two weeks.

Develop and maintain scalable identity and access management applications using Java and JavaScript. Design moderately complex software components, write quality code, perform unit testing, review specifications, resolve defects, and collaborate in Agile teams. Work with identity providers, authentication flows, OIDC clients, CI/CD pipelines, GitHub workflows, AWS container platforms, and complex data models. Familiarity with AI-assisted development, Terraform, Docker, and Kubernetes is beneficial.

Develop and maintain internal business applications, ERP integrations, REST APIs, and data solutions using C#/.NET, JavaScript, and SQL. Troubleshoot application and integration issues, test and document code, manage releases, and collaborate with technical and nontechnical teams to address operational needs across production, warehouse, and office functions.

Develop and lead software engineering, architecture, integration, testing, modernization, and sustainment efforts for mission-critical Department of War planning and readiness applications. Analyze legacy systems, develop prototypes, document architectures, assess technical risks, support acquisition decisions, and mentor development teams. The role requires collaboration with government, military, program office, and contractor stakeholders, plus travel of up to 25%.

Design, build, test, and maintain Python applications and RESTful APIs; develop and optimize Microsoft SQL Server databases; troubleshoot production issues; collaborate with stakeholders; create documentation; mentor junior engineers; promote engineering best practices and AI-assisted tooling to improve productivity and quality.

Build and maintain backend services for tokenized equities, including on-chain issuance, custody, settlement, smart contract integrations, chain indexing, and DEX trade flows. Develop scalable product features connecting blockchain systems with brokerage, ledger, and corporate-action infrastructure. Ensure correctness, auditability, reconciliation, idempotency, and resilience in systems handling customer assets. Collaborate with product, compliance, client, and platform teams.

Leads technical strategy and software architecture across Streaming Hub application teams. Oversees modernization, API standards, cloud infrastructure, CI/CD, testing, observability, resiliency, and AI-assisted engineering practices. Provides design oversight, drives technical-debt reduction, improves developer productivity and operational performance, mentors senior engineers, and partners with Engineering, Product, Architecture, and Quality Assurance teams to deliver scalable, secure, reliable software.

Design, build, and maintain customer-facing digital commerce services (checkout, billing, subscriptions, catalog, cart, orders). Use AI-assisted workflows for coding, testing, review, and documentation. Develop scalable, low-latency APIs and services, improve observability, automation, and engineering practices, and partner with cross-functional teams to deliver reliable solutions.

Support development, configuration, and execution of Software-in-the-Loop (SIL) test environments for ADAS features. Create scenarios, run initial tests, debug issues, automate test cases and result analysis, document SIL usage, and mentor junior engineers to improve virtualization testing, reduce physical testing dependence, and enable early validation of ADAS capabilities.

Lead and mentor a team to develop enterprise-scale applications using Java and React, ensuring best practices and modern technology adoption.

Build and maintain PHP/Symfony backend services and Vue 3 frontend features for an event and conference platform. Responsibilities include designing modular services, developing REST APIs and UI widgets, modeling Doctrine entities, optimizing MySQL queries, integrating third-party services, writing unit and functional tests, maintaining technical documentation, and deploying and troubleshooting production systems.

Develops and integrates IT systems, codes and debugs applications, supports technology and functional implementations, resolves hardware and software issues, and collaborates with end users to improve business processes and workflows. Provides technology recommendations and becomes an expert in business applications. This is an on-site role five days per week.

Design, build, and maintain scalable cloud-based software for geospatial data extraction, analytics, and visualization. Work onsite with US government customers, participate across the SDLC, apply DevSecOps/CI-CD, and collaborate with analysts to deliver mission-focused data products.

Develop and lead architecture, development, integration, and testing of safety-critical C++ run-time assurance software for autonomous aircraft. Ensure real-time performance, fail-safe behavior, software quality, certification readiness, and compliance with airworthiness standards. Collaborate across autonomy and middleware teams, create assurance artifacts, establish disciplined development practices, and mentor engineers.

Develop, deploy, test, and maintain enterprise Java applications using Spring and microservices. Responsibilities include code reviews, performance optimization, architectural design support, project planning, mentoring developers, and collaboration across development teams to deliver quality software on schedule.

Develop, test, deploy, and maintain enterprise Java applications using Spring and microservice technologies. Responsibilities include code reviews, performance optimization, architectural design participation, project planning, mentoring developers, and collaboration on development processes and deliverables.

Develops command-and-control and autonomy software for uncrewed platforms and web-based interfaces. Responsibilities include software design, flight-critical development, architecture reviews, documentation, automated unit and integration testing, code maintenance, merging, and configuration management within an Agile team supporting a DoD customer. The role is conducted in-office in Huntsville, Alabama, includes less than 10% domestic travel, and requires the ability to obtain and maintain a Secret clearance.

Develop and maintain the frontend and backend of a web-based virtual development and simulation environment for DoD customers. Responsibilities include software design, full-stack development, automated unit and integration testing, configuration management, code maintenance, Agile collaboration, and potentially leading development activities. The role is performed on-site in Huntsville, Alabama and supports secure government environments.

Develops web-based command-and-control and autonomy software for uncrewed platforms supporting DoD customers. Responsibilities include software design, object-oriented development, flight-critical software practices, architecture documentation, automated unit and integration testing, configuration management, and Agile team collaboration. The role is in-office in Huntsville, Alabama, supports customer-facing system capabilities, and requires less than 10% CONUS travel.

Designs, develops, and maintains C/C++ and Python software for radar and RF data acquisition, processing, analysis, automation, embedded systems, and testing. Integrates software with laboratory and field instrumentation across Linux and Windows, supports legacy codebases, develops documentation and test plans, and collaborates with engineering and program teams. The role supports classified lab, shipboard, and field test environments for Naval Research Laboratory electronic warfare programs.