Top Software Engineer Jobs in Washington DC,

Lead a team of software engineers to deliver backend services, platform components, automation, observability, and AI-assisted tooling. Own end-to-end delivery, architecture, testing, and operational readiness. Drive engineering standards, cross-functional collaboration, hiring, coaching, and continuous improvement with emphasis on security, reliability, and scalable platform patterns.

Own and operate PayTrace's multi-platform database environment: provision, configure, patch, monitor, tune, and recover databases. Lead modernization from MS SQL to AWS RDS, support HA/DR and multi-region active-active, automate administration and data pipelines to Snowflake, assist developers with query tuning, and provide technical guidance and documentation. Be available for production incident response.

Lead porting and performance analysis of diverse HPC applications on novel architectures. Profile node- and scale-level bottlenecks, design algorithmic/software solutions, translate application needs into software and hardware features, and develop performance models for future hardware.

Build and maintain full-stack Azure-hosted portals and an EDI processing platform. Develop APIs, UI, data layers, CRM integrations, and AI/automation features. Participate in architecture, CI/CD, and stakeholder collaboration to deliver production-ready solutions.

Design, develop, test, and maintain cloud-native, scalable search and distributed system features. Contribute to architecture, ensure reliability, scalability, and security of global cloud infrastructure. Troubleshoot production issues, optimize performance, collaborate with product and UX, and mentor junior engineers.

As a Senior Salesforce Developer, you'll design and develop Salesforce solutions, manage integrations, and support the Quote-to-Cash lifecycle while collaborating with various stakeholders.

Hire Principal Software Engineer as an independent contractor to support the Knowland team: manage transition tasks, support deliverables, maintain roadmap, and perform knowledge transfer while accommodating overlap time with the team.

Build and maintain tools for merchandisers to manage product discovery. Deliver features for the Searchandizing dashboard, improve usability, own full stack projects from idea to production, work with PMs/Designers/EMs, and handle testing, CI/CD, deployment, and production ownership.

As a Principal Engineer, you'll lead large projects, design architecture, debug production issues, and mentor staff while shaping future-proof interfaces.

The Software Engineer (Fullstack) at Sumble will develop and optimize software applications, manage data integration, enhance security, and ensure a high-quality user experience.