Remote Software engineering Jobs · React

Job listings

  • Build and scale back-end components for a programmatic advertising platform handling millisecond response times.
  • Develop proprietary AI agents for media buying and content tagging in collaboration with a data scientist.
  • Act as a senior engineer guiding peers through code reviews while integrating with third-party AdTech platforms.

Smart Working connects skilled professionals with outstanding global teams for full-time, long-term remote roles. It is a highly-rated workplace on Glassdoor with a remote-first culture that values growth and well-being.

$75,000–$100,000/yr

  • Develop and maintain secure web applications across frontend and backend using React, Java, Spring Boot, Node.js, and SQL.
  • Collaborate with developers, Quality Engineers, and analysts to modernize workflows and troubleshoot issues.
  • Participate in Agile teams, peer reviews, and CI/CD processes to deliver reliable solutions.

Via Logic is an information technology partner supporting mission-driven work across DevSecOps, cloud engineering, cybersecurity, data science, and national security analytics for federal and commercial clients. The company fosters a collaborative culture where Explorers are encouraged to grow, contribute, and continuously evolve.

Global Unlimited PTO

  • Build application components and pages with modern frontend frameworks.
  • Implement real-time data feeds and pipelines using WebGPU, MQTT, and Redpanda.
  • Design data models and integrate machine learning models into the application.

Spear AI is a defense contracting company that builds a data management and artificial intelligence platform for maritime domain awareness, including sonobuoy sensors and SONAR data processing. The team is small with a flat organizational structure where employees collaborate directly with leadership and focus on mission-critical work.

$204,000–$290,000/yr
US Unlimited PTO

  • Set technical strategy for the team and drive large-scale, business-impacting projects.
  • Collaborate with product, design, and analytics to ensure technical sustainability and manage trade-offs.
  • Foster engineering quality and talent development through code review standards and mentorship.

Affirm is a financial technology company that provides transparent, flexible payment solutions, allowing consumers to pay over time without hidden fees. The company is remote-first and values inclusivity, offering competitive benefits and a collaborative culture.

  • Design and develop next-generation browser-based security features used by millions of people worldwide.
  • Provide technical leadership, architecture, and mentoring while collaborating with Product, UX, and QA teams.
  • Design integrations across complex systems and apply AI-enabled workflows to drive quality and performance.

The company creates browser-based security features that protect millions of consumers from online threats. It is a distributed, collaborative engineering organization with a strong culture of autonomy, trust, and engineering excellence.

  • Build responsive user interfaces with React and TypeScript.
  • Develop scalable APIs and backend services using Python and FastAPI.
  • Deploy on GCP with Cloud Run, integrate Vertex AI, and manage CI/CD.

The hiring company is an enterprise client seeking a Full Stack Engineer for a high-velocity contract engagement. The culture emphasizes self-starting, full-stack ownership, and cloud-native best practices in fast-paced environments.

  • Set technical direction across Coder’s agent harness, integrations, and workflows.
  • Design and build production systems in Go, with work across React and TypeScript where needed.
  • Lead complex projects from early ambiguity through production.

Coder is a leading platform for AI development infrastructure, enabling enterprises to run human and AI-driven workflows in secure, governed environments. The company provides self-hosted, agent-ready workspaces and fosters a collaborative, AI-forward culture.

  • Own the architecture, technical direction, and engineering standards for the AI-enabled Workforce platform and its microservices.
  • Lead technical execution, mentor engineers, and partner with product management to turn roadmap priorities into well-scoped work.
  • Serve as Release Manager for the multi-service release train and contribute hands-on to full stack code, integrations, and production fixes.

Agile Defense delivers adaptive innovation and advanced technology solutions for U.S. national security and critical civilian missions. Its culture is built on six core values—Happy, Helpful, Honest, Humble, Hungry, and Hustle—and treats employees as valued family members.

  • Build product-facing tools for browsing environments, inspecting trajectories, and understanding model behavior.
  • Develop vendor-facing workflows to create, submit, test, and iterate on RL environments and training data.
  • Create dashboards and observability tools surfacing environment quality, eval results, and pipeline health.

This company builds a reinforcement learning data engine for frontier AI labs, creating and iterating on training data. They have offices in San Francisco and Singapore, offering a culture that values independence and high agency.

$205,000–$235,000/yr

  • Lead architecture and implementation of greenfield features for Healthie's New Products, ensuring scalable and reliable systems.
  • Collaborate across Product, Design, Data, and Engineering teams to execute high-impact projects integrating advanced AI capabilities.
  • Shape technical direction, mentor engineers, and drive AI-assisted engineering practices to improve velocity and quality.

Healthie is an AI-Native, ONC Certified EHR platform for modern outpatient healthcare, powering 40,000+ providers with tools like EHR, scheduling, billing, and API-first infrastructure. The company handles 3 billion API calls monthly, has raised $42M, operates profitably, and fosters a fast, customer-obsessed, mission-driven culture.