Top Remote Software Engineer Jobs in Washington, DC

Join a small AI-native engineering team building and operating Affirm's bank systems. Own end-to-end bank infrastructure, durable workflows, vendor integrations, data platform, CI/CD, monitoring, and examiner-ready documentation. Use AI-assisted tooling to accelerate development, collaborate with Compliance/Risk/Finance, and mentor growing engineering talent.

Implement EVM-compatible features, optimize gas usage, develop and test smart contracts, collaborate on Ethereum infrastructure, troubleshoot Ethereum issues, and stay current with Ethereum advancements.

Develop and optimize Soroban smart contracts and integrate anchor services on the Stellar network for cross-border payment solutions. Collaborate with cross-functional teams, test and debug contracts, document processes, and provide technical support while staying current on blockchain and payments trends.

Develop and maintain high-security mobile applications using React Native, Swift, or Kotlin. Implement biometric authentication and secure key storage, collaborate with cross-functional teams to deliver features, troubleshoot and optimize app performance, and propose enhancements based on emerging technologies.

Build and maintain end-to-end web applications powering sales and operations. Design tools for quoting, scheduling, and fulfillment, integrate AI into products, collaborate on UX, ship high-impact features, and contribute to architecture, deployment, and engineering culture.

Build and maintain full-stack web systems (Node.js/TypeScript backend, Postgres, React) and AI-enabled features. Design end-to-end features, collaborate with educators and TAs, iterate in a small team, and deliver production-quality user-facing functionality.

As a Full Stack Software Engineer at Goodbill, you'll develop data systems and user experiences, work with diverse data sources, and integrate AI features, ensuring high-quality consumer-facing applications.

Lead product and technical discovery for a new initiative, build prototypes and end-to-end MVPs, define metrics and decision processes, rightsize architecture for iteration and integrations, and engage customers for feedback while coordinating external PM/design/business stakeholders.

Design, build, and maintain data platform tools, ensuring data quality and integrity. Collaborate with data science teams and enforce best software practices.

As a Back End Software Engineer, you will build scalable APIs, ensure system efficiency, and contribute to company initiatives, while operating independently and collaborating with other engineers.

Mudflap seeks software engineers to build and scale their payments platform using Ruby on Rails, collaborating cross-functionally and owning features end-to-end.

The Senior iOS Engineer will drive key engineering decisions, enhance the iOS app, and engage in product strategy discussions. Responsibilities include shipping production code and maintaining app architecture.

The Software Engineer will build features across the stack, design AI/LLM-driven workflows, translate requirements, and collaborate closely with the founding team and customers.

Full-stack feature-team engineer working across UI, JavaScript, and backend to build scalable investment portfolio management web applications. Gather requirements with product and users, design solutions, implement and deploy code, and operate in Linux environments. Emphasis on strong computing fundamentals, Ruby on Rails proficiency, user workflow understanding, and clear communication.

The Senior Full-Stack Software Engineer will design, build, and scale backend services and APIs for financial transactions while collaborating with frontend engineers and contributing to technical design.

The Software Engineer will develop the Socket web application, design interfaces, write APIs, and contribute to team growth and culture. Responsibilities include building systems and collaborating with design and engineering teams to ensure a delightful user experience.

As a Software Engineer at Espresso, you will design and implement core blockchain infrastructure in Rust, focusing on transaction processing and consensus.

Lead and manage an API engineering team owning core services for Fundrise investor applications. Set technical direction, coach engineers, drive architecture, ensure production quality, security, monitoring, and coordinate cross-team delivery.

As a Senior Software Engineer on the Data Platform team, you'll enhance the data infrastructure, develop ETL pipelines, maintain data quality, collaborate across teams, and mentor junior engineers.

Develop, integrate, and test high-quality embedded C/C++ avionics software for X-BAT UAVs, interfacing with sensors, firmware, autonomy systems, and GCS; design CI/HIL test systems, produce documentation, and collaborate across cross-functional teams.

Design, build, and maintain cloud infrastructure software (primarily in Go) to manage VMs across global data centers. Collaborate on product requirements, participate in code reviews, optimize performance and reliability, contribute to architecture decisions, and stay current with industry trends.

Senior fullstack engineer to build and scale Brigit's consumer finance platform. Own end-to-end features across frontend (React/React Native/TypeScript) and backend (Java/REST/SQL), optimize database and APIs for high scale, integrate 3rd-party services, implement risk and transaction algorithms, improve CI/CD, testing, monitoring, and internal tooling to support millions of users.

Design, build, and maintain scalable CI/CD workflows and GitOps deployments using GitHub Actions, Argo CD, and Kubernetes. Embed AI-powered tooling into developer workflows, enforce GitHub governance, lead incident response and root-cause analysis, collaborate with engineering and SRE teams, and mentor engineers to improve developer experience, reliability, and deployment safety.

Build and maintain Back of House data delivery and related BOH projects using AWS serverless technologies. Write code and unit tests, collaborate with SRE/QE/security/product teams across Yum! Brands, document data flows, and improve tooling and processes to increase restaurant operational efficiency and data integrations.

Lead architecture and hands-on implementation of an offline-first edge computing platform in Go. Design distributed messaging and cloud-to-edge synchronization, optimize services for resource-constrained in-store hardware, maintain Kubernetes/Helm deployments, mentor engineers, and collaborate with Product and DevOps for phased rollouts and migrations.