Lead Fullstack Engineer (React+Next.js) (#4727)

Europe, South America
Work type:
Office/Remote
Technical Level:
Leader
Job Category:
Software Development

Our Client is building a SaaS platform used globally to streamline business-critical workflows and transform document-driven processes into intelligent, automated systems. Their platform powers agreement lifecycle experiences at a massive scale, serving millions of organizations across highly regulated and enterprise environments.

The team develops a unified, widget-based frontend platform that standardizes how product teams deliver modern, high-performance user interfaces. This platform provides a shared shell, micro-frontend architecture, and automated CI/CD pipelines that distribute versioned UI components globally with high reliability. 

Part of the work includes supporting secure, compliance-heavy environments designed for federal-grade workloads. Engineers design systems that are secure by default, privacy-aware, and built on zero-trust principles. The role involves solving advanced platform challenges such as resilient rollouts, deterministic builds, telemetry without exposing sensitive data, and high-availability architecture in constrained environments.

This is an opportunity to shape platform standards, performance practices, and developer tooling in a system operating at meaningful scale.

Responsibilities:

  • Design and implement reusable frontend components within a micro-frontend architecture.
  • Build and maintain a shared UI platform that enables consistent user experiences across products.
  • Develop scalable CI/CD pipelines that publish versioned frontend artifacts for global delivery.
  • Contribute to secure-by-default engineering patterns aligned with compliance requirements.
  • Optimize performance, observability, and reliability across distributed frontend systems.
  • Collaborate with cross-functional teams to define platform standards and engineering best practices.
  • Integrate frontend systems with RESTful and/or gRPC backend services.
  • Support high-availability deployments in regulated or restricted environments.

Required Qualifications:

  • 8+ years of professional software development experience.
  • Strong proficiency in TypeScript and React.
  • Experience building reusable, production-grade frontend component libraries.
  • Experience with frontend testing frameworks and test automation.
  • Solid experience with Node.js and Express.
  • Proven track record delivering SaaS products.

Preferred Qualifications:

  • Experience across the full software development lifecycle.
  • Familiarity with schema modeling (e.g., JSON Schema or XML Schema).
  • Experience with Agile and test-driven development methodologies.
  • Exposure to Next.js.
  • Experience with Azure DevOps or comparable CI/CD tooling.
  • Knowledge of micro-frontend frameworks.
  • Experience building or consuming RESTful or gRPC services.
  • Strong written communication skills in asynchronous environments.
  • Passion for platform engineering and high-quality software craftsmanship.

We offer*:

  • Flexible working format - remote, office-based or flexible
  • A competitive salary and good compensation package
  • Personalized career growth
  • Professional development tools (mentorship program, tech talks and trainings, centers of excellence, and more)
  • Active tech communities with regular knowledge sharing
  • Education reimbursement
  • Memorable anniversary presents
  • Corporate events and team buildings
  • Other location-specific benefits

*not applicable for freelancers

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