Top Software Engineer Jobs in Washington DC,

Designs and builds scalable backend services for transaction matching, offer ingestion, rewards pipelines, APIs, and partner integrations. Owns features through discovery, implementation, testing, rollout, and documentation. Participates in on-call and incident response, improves reliability and observability, mentors engineers, contributes to architecture, and leads cross-functional technical initiatives. The role uses Go, TypeScript, Postgres, MongoDB, AWS, Terraform, Kubernetes, event-driven systems, and AI-assisted development tools.

Develop and maintain full-stack web interfaces, backend scoring services, databases, and automated agents for cyber range environments. Responsibilities include architecture, coding, unit and integration testing, system validation, documentation, requirements analysis, and integration with versioned cyber ranges. The role requires collaboration across complex hybrid and multi-vendor environments, with a focus on cyber training systems, infrastructure automation, networking, virtualization, and Agile software development.

Own and evolve high-scale backend and data-layer services. Design, build, test, and operate distributed backend services and APIs, improve reliability/latency/scale, take end-to-end ownership from design through production support, participate in on-call and incident response, and mentor peers while partnering with Product and SRE teams.

Lead the technical architecture and implementation of scalable GTM systems, Salesforce solutions, integrations, AI-powered workflows, data models, and scoring frameworks. Build advanced Salesforce applications using Apex, Flow, APIs, and custom objects; manage Workato and Zapier integrations; prototype with AI development tools; translate executive goals into technical designs; and mentor GTM engineers and administrators on development, testing, documentation, and deployment best practices.

Design, build, and maintain scalable, low-latency data integration and pipeline platforms. Provide solution and application design, implement high-performance backend services, drive API-first architecture, conduct code reviews, support CI/CD and observability, participate in on-call rotations, lead technical workshops, and mentor junior engineers while collaborating with global stakeholders.

Design, build, and operate backend product capabilities for hospitality workflows using PHP, Java, APIs, data models, and event-driven systems. Own technical design through production, including infrastructure, deployment, observability, testing, incident response, and on-call support. Improve distributed-system scalability, reliability, security, and maintainability while collaborating with Product, Design, Infrastructure, Security, and Engineering teams. Mentor peers and contribute to architecture, code reviews, and pragmatic product delivery.

Leads and mentors the AgentMate application development team while remaining hands-on with C#/.NET development. Owns engineering execution, application security, PCI compliance, reliability, quality, observability, technical debt, and production support. Partners with Product, Delivery, Infrastructure, Security, QA, and business stakeholders to deliver secure, scalable applications. Responsibilities include architecture and coding, threat modeling, vulnerability remediation, CI/CD improvements, incident resolution, technical planning, documentation, hiring, and team development.

Build and maintain data-intensive, interactive web products across the full stack. Architect and implement API and frontend features, validate FastAPI responses with Pydantic, access Postgres via SQLAlchemy, optimize performance and scalability, implement testing and QA, participate in code reviews, refine UX, and help define engineering processes at an early-stage company.

Develop and expand Laravel/PHP backend and Vue.js frontend applications for Relocity’s global mobility platform. Responsibilities include architecture, implementation, testing, code reviews, debugging, documentation, REST API development, database optimization, and troubleshooting. The engineer will own complex technical problems, collaborate with Product and Design, apply product and user-experience thinking, and use AI-enabled development tools to accelerate software delivery.

Develops and maintains backend and cloud-native supply chain software supporting warehouse, transportation, fulfillment, inventory movement, and order workflows. Designs APIs, event-driven services, integrations, databases, and distributed systems; diagnoses defects, improves performance and security, and contributes to roadmaps. Coordinates team work, supports requirements analysis, mentors junior teammates, and helps deliver reliable solutions using Azure, Kubernetes, CI/CD, and observability tools.