Top Remote Senior Level Software Engineer Jobs in Washington DC,

The Senior Software Engineer II at Freenome will design and develop reliable backend services, mentor junior engineers, and collaborate with cross-disciplinary teams in a remote setting.

Lead and grow a Support Engineering team that resolves complex product issues, integrations, and data workflows. Define escalation and triage practices, build scalable diagnostics and internal tools, collaborate closely with Engineering and Product, mentor engineers on debugging, logs, and database querying, and create repeatable processes to improve customer outcomes and support efficiency.

The Senior Full Stack Web Developer is responsible for designing, building, and maintaining scalable web applications using React, Node.js, PHP, and SAP BTP, along with mentoring junior developers and collaborating with business stakeholders.

Develop consumer-centric web applications, enhance usability, collaborate with designers, implement backend software and APIs, write tested code, and follow agile development cycles.

Designs, operates, and enhances large-scale voice and unified communications services. Provides subject-matter expertise for Avaya/Cisco UC systems, leads resilience modeling, automation of deployments and recoveries, drives metrics-based decisions, supports migrations from legacy PBX to cloud UC, and represents the service in backlog and incident activities. Some travel required.

The Senior MEAN Stack Developer will design, develop, and deploy scalable web applications, focusing on building robust REST APIs and microservices, while ensuring code quality and continuous improvement.

Lead the development of a search and data integration platform, ensuring architecture, integration, and delivery of complex software systems in a safety-focused environment.

As a Senior Software Engineer on the Identity team, you will enhance systems that process billions of events, ensuring performance and stability. Collaborate with teams to design algorithms for user identity, manage data quality, and improve capture accuracy.

Design, build, and maintain Canary's mobile SDKs (iOS/Android) and first‑party staff app components. Deliver clear APIs, samples, docs, versioning and release processes; ensure reliability, security, performance, testing, observability, and excellent developer experience while partnering with Product, Design, Backend, and Customer teams.

Design and build secure, scalable cloud-native, AI-enabled applications and microservices for utilities. Lead architecture, translate requirements, develop APIs and data-driven solutions, mentor engineers, and ensure software quality and delivery.