Top Software Engineer Jobs in Washington DC,

Lead the design and implementation of secure, scalable data processing platforms, focusing on ETL frameworks, event-driven systems, and high-performance microservices.

Analyst supporting a marketing engineering team by translating marketing needs into automated workflows, integrations, internal applications, and AI-enabled solutions. Responsibilities include intake and prioritization, process analysis, workflow design, low-code development, collaboration with engineers and data scientists, testing variable AI outputs, user acceptance testing, documentation, enablement, and impact measurement.

As a founding full-stack engineer, design, build, and deploy core backend services, oracle/watchtower infrastructure, and borrower-facing applications. Integrate Bitcoin transactions, PSBTs, and Discreet Log Contracts, manage SQL/NoSQL databases, contribute to architecture decisions, and wear multiple hats in a fast-paced, early-stage environment.

Create and optimize high-quality, mobile-optimized character shaders and material workflows in Unity URP. Develop master materials, tools, and editor extensions (C#). Profile and debug performance on iOS/Android, collaborate with artists on look development, and ensure efficient rendering across mobile devices.

Own end-to-end product features for a SaaS platform serving HR, therapists, and employees. Build, scale, and evolve frontend and backend components, lead architecture and standards, collaborate with design and product, and incorporate customer feedback and QA. Work in an early-stage startup environment with product-focused ownership.

Lead Workday configuration and development across modules; design BPF workflows; build calculated fields, condition rules, and custom objects; define security roles; support testing, deployment, and post-production stabilization; document configurations and ensure Higher Ed governance compliance.

Lead design, build, test, and deliver Workday integrations across a multi-system higher education environment. Own integration strategy, implement EIBs/Core Connectors/Studio/APIs, coordinate testing and cutovers, ensure FERPA-compliant data security, and partner with vendors and IT for documentation and operational handoff.

Design, build, and maintain production-grade .NET web applications and APIs on Azure. Own full-stack delivery from data models and SQL to front-end components, CI/CD, testing, and architecture. Collaborate with product and delivery teams, participate in code reviews, and ensure secure, observable, well-tested services.

Lead the design and development of scalable document-processing systems for healthcare workflows. Build Go services and AWS Step Functions pipelines, solve large-scale PDF processing challenges, implement observability, optimize PostgreSQL/RDS performance, and support OpenSearch indexing. Provide architectural direction, mentor engineers, translate ambiguous requirements into shipped solutions, and ensure reliable handling of sensitive PHI under HIPAA requirements.

Volunteer senior engineer to develop a cross-platform medical/wellness app (web, iOS, Android). Own full SDLC: design, coding, testing, data models, pipelines, deployments, and collaborate in Agile processes. Attend weekly standups and commit at least 4 hours weekly.

Volunteer Salesforce Architect to design and implement Health Cloud solutions, lead integrations (APIs, MuleSoft), configure Salesforce products (Service, Experience, Lightning), support users and BAs, produce technical documentation, and guide technology roadmaps and releases.

Volunteer Principal Front End Developer to build React/React Native web and mobile features, mentor engineers, implement scalable full‑stack solutions, ensure cross‑browser compatibility and testing, work with Node/MongoDB/AWS, attend weekly standups, and support a fundraising launch. Minimum 4 hours/week commitment.

Build and maintain Python backend services and serverless architectures for a restaurant operations platform. Ship end-to-end features, design robust systems, and help define product roadmap. Implement CI/CD and productionization, collaborate with product and GTM teams, and contribute to team culture and technical execution.

Build and ship backend systems and robust architectures for SMB and enterprise restaurant customers. Drive end-to-end development including planning, CI/CD, and productionization. Collaborate on product roadmap, iterate from user feedback, and contribute to team culture and growth.

Build and ship end-to-end features for a restaurant operating system, lead architecture and technical execution, define product roadmap with cross-functional teams, and maintain high-quality CI/CD and productionized systems.

Build, maintain, and deploy a high-volume, fault-tolerant observability platform. Architect and develop OpenTelemetry-based systems, implement services in Go (concurrency/gRPC), work with ClickHouse/Postgres, Kafka/Redis streaming, and containerized deployments on Kubernetes/Docker. Evaluate new tools and improve platform reliability and performance.