Top Software Engineer Jobs in Washington DC,

Design, build, and maintain scalable web applications for payroll and accounting. Collaborate with engineers and product partners, write tested code, participate in code reviews, contribute to architecture, improve CI/CD and monitoring, support production (including on-call), and communicate progress while continuously learning.

Design, build, and maintain Ruby on Rails APIs and React frontends; architect and optimize PostgreSQL schemas and queries; manage Docker/Kubernetes services and Terraform IaC; implement PKI/mTLS and secure authentication; solve offline data serialization/synchronization; own CI/CD pipelines and support mission-critical field deployments.

Build and improve Rare Candy's iOS app: implement Swift/SwiftUI features, integrate with GraphQL APIs, fix bugs, raise UI polish, collaborate with product/design/backend, and grow quickly under CTO mentorship to own meaningful product areas.

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.

As a Senior Solutions Architect, you will design API solutions for strategic merchants, lead technical presentations, and collaborate with internal teams to address fraud and data challenges.

Lead full‑stack development for the Care Journey product, owning design and delivery of GraphQL/Python APIs and React/React Native experiences. Write technical specs, drive large cross‑team projects, ensure HIPAA/GDPR compliance, mentor engineers, participate in on‑call, and deliver performant, scalable systems across web and mobile.

Design, develop, and maintain Java-based backend services and RESTful APIs; integrate third-party services; apply TypeScript for type safety; use AWS services (Lambda, API Gateway, DynamoDB, DocumentDB, CDK, CodePipeline); and work with containerization (Docker, Kubernetes).

Design, develop, and implement Oracle CPQ solutions: configure product rules, approval workflows, and quote templates; gather requirements; create technical specs; integrate CPQ with CRM/ERP; troubleshoot, test, deploy, document, and support the platform ensuring scalability, performance, and security.

Manage a global portfolio of enterprise applications end-to-end, translate business requirements into technical solutions, design and oversee integrations, ensure availability/security/compliance, coordinate incidents/changes/releases and global rollouts, support end users and vendors, drive optimization and automation, maintain documentation, and provide 24x7 support.

Design, build, and scale Storesight's web applications and services. Lead architecture and implementation of features, maintain integrations and APIs, troubleshoot production issues, reduce technical debt, and mentor engineers while promoting best practices, testing, and deployment in a cloud environment.