Top Software Engineer Jobs in Washington DC,

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.

Build, deploy, and operate production software for enterprise logistics customers. The role involves developing backend systems and integrations, extending delivery-orchestration infrastructure, launching products, debugging logistics workflows, and collaborating directly with customer engineering, operations, and leadership teams. The engineer will also partner with product and AI teams to shape the company’s North American engineering direction.

Develop and maintain features for a React Native VoIP mobile app, integrate native Android/iOS modules when needed, collaborate with backend engineers on APIs and real-time communications, optimize performance, debug production issues, and contribute technical insights to the product roadmap.

Designs, builds, secures, and governs RESTful and GraphQL APIs supporting member, chapter, and agentic AI ecosystems. Owns API lifecycle management, semantic data models, versioning, testing, documentation, observability, CI/CD, and infrastructure as code. Implements serverless, event-driven AWS architectures with strong IAM, privacy, consent, and explainability controls. Collaborates across Product, Data Architecture, IT, Security, and ML teams to deliver reliable, scalable, secure, and governed APIs.

Develop and maintain Salesforce applications across the web stack, including front end, back end, APIs, databases, and data pipelines. Write and review technical documentation, code, and unit tests; support builds and deployments; troubleshoot issues; and collaborate with engineering teams, TPMs, and business stakeholders. Apply Agile practices, manage delivery expectations, integrate Salesforce with business applications, and support scalable, high-quality software solutions.