Top Software Engineer Jobs in Washington DC,

Designs and develops complex, full-stack advertising software solutions using Go/Python and AWS. Leads architecture, cloud deployment, testing, CI/CD, performance optimization, monitoring, and production releases. Uses Kubernetes, Snowflake, SQL, Linux, and observability tools. Contributes to technical roadmaps, manages cross-team dependencies and risks, and mentors junior engineers within Scrum and Kanban teams.

Software Engineering Intern working across the technology stack to build semantic search, agentic AI systems, graph data solutions, and production-quality software. The role requires at least 20 hours per week and involves solving complex problems in an early-stage startup environment with significant ownership and experimentation.

Build and own Chamelio’s technical go-to-market infrastructure, including CRM, enrichment, outbound, product analytics, AI agents, API integrations, automations, data pipelines, lead scoring, attribution, and reporting. The role requires independently designing and deploying scalable workflows across tools such as Clay, Attio, Smartlead, PostHog, n8n, and Zapier, while creating custom code and integrations where needed.

Hands-on fellowship for university students and recent graduates interested in AI, backend engineering, cloud infrastructure, and software delivery. Fellows may research technology trends, build internal tools and automation workflows, explore LLM-powered agents, prototype backend or cloud solutions, and prepare technical documentation and client-readiness materials. The role emphasizes ownership, reliability, clear technical communication, and practical project experience.

Build and maintain mission-critical wealth management systems for SMB clients. Design data pipelines, ETL/ELT processes, data models, warehouses, analytics, and reporting solutions using AWS, Snowflake, Mage AI, and other big data tools. Collaborate with data scientists and analysts on predictive models, statistical analyses, and machine learning algorithms. Develop software with Next.js and Python while working closely with the team and clients on financial-domain challenges.

Own the architecture and implementation of a regulated bank’s transactional core, including ledger, stablecoin issuance, reconciliation, event messaging, APIs, and microservices. Lead backend engineers, establish engineering standards, integrate sanctions screening, and ensure resilience, observability, auditability, and regulatory readiness. Partner with SRE and Security teams on multi-region availability, IAM, key management, and threat modeling while supporting UAT and external control validation.

Own and expand a Three.js-based in-browser solar configurator: implement and optimize 3D geometry tools and workflows, build product-facing frontend features, collaborate with backend and computational teams, translate solar physics into usable design tools, define frontend/3D architecture, and ensure performant, stable UX across edge cases.

Leads CRM platform architecture, development, implementation, and SDLC activities supporting client and patient access solutions. Oversees software development managers, architects, engineers, and test engineers; manages development resources, infrastructure, integrations, and technical standards. Partners with business and technology stakeholders to translate requirements into scalable solutions using Dynamics 365, Power Platform, Azure, and Microsoft technologies. The role also supports change management, user adoption, application support, and continuous improvement in a healthcare and pharmaceutical services environment.

Sets technical direction for Helix’s Experience platform and broader engineering organization. Designs and implements distributed, full-stack genomic software systems focused on patient and provider experiences. Leads complex projects from scoping through production, advances AI-assisted engineering practices, establishes quality and delivery standards, mentors technical leaders, and drives cross-functional collaboration with product, design, research, scientific, and business teams.

Develop and enhance ServiceNow applications for work order management, scheduling, dispatch, discovery, service mapping, and CMDB operations. Collaborate with stakeholders and technical SMEs, configure event rules, integrate ServiceNow services through REST APIs, manage MID servers, create custom discovery patterns, prevent duplicate configuration items, and configure identification rules and multi-tier service discovery across environments.