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SoftServe

Senior/Lead Full Stack Engineer (Node+React+AI)

Europe (non-EU)

October 9, 2026 at 1:50 PM

✨ AI summary

Location

  • Ukraine

Programming Languages

  • TypeScript
  • JavaScript

Frameworks

  • React
  • Node.js

Cloud Services

  • AWS Lambda
  • API Gateway

Databases

  • PostgreSQL
  • MongoDB

Experience Level

  • 7+ years
About The Role

In this role, you will design and build scalable full-stack applications that turn operational and inventory data into intuitive cloud-native products. You will shape the architecture of tools that help retail teams identify stock discrepancies, prioritize actions, and improve on-shelf availability. The project supports a major UK retail group serving millions of shoppers across hundreds of stores.

Responsibilities

  • Build end-to-end product features using React, Node.js, TypeScript, and serverless AWS services
  • Design and implement REST APIs and integrations with GraphQL services to support reliable application functionality
  • Develop AWS Lambda functions and configure API Gateway integrations with secure access and appropriate CORS handling
  • Improve application performance, scalability, and maintainability across frontend and backend components
  • Refine system architecture by applying clean abstractions, dependency injection, SOLID principles, and effective component decoupling
  • Implement unit, integration, and end-to-end tests that support application reliability and the Test Pyramid strategy
  • Monitor production systems through logs, metrics, and distributed tracing, and troubleshoot performance and reliability issues


Enhance CI/CD pipelines, participate in code reviews, and promote consistent engineering practices across the team

Requirements

  • 7+ years of commercial software development experience with full-stack applications
  • Strong proficiency with React, including Hooks, component architecture, state management, and modern application patterns
  • Strong proficiency with Node.js and TypeScript, including asynchronous processing, error handling, and scalable backend design
  • Experience with RESTful APIs, GraphQL integrations, and event-driven architectures
  • Experience with AWS Lambda, API Gateway, retries, dead-letter queues, and serverless integration patterns
  • Knowledge of PostgreSQL and MongoDB, including indexing strategies and query optimization
  • Strong understanding of automated testing, clean architecture, dependency injection, SOLID principles, and component decoupling


Experience with AI engineering tools, AI-assisted development workflows, or evaluation harnesses

Upper-Intermediate English for effective communication within a cross-functional team

SoftServe is an equal opportunity employer. Qualified applicants will receive consideration regardless of race, color, ancestry, ethnicity, national origin, religion, sex, sexual orientation, gender identity or expression, age, citizenship, disability, health condition, marital or family status, veteran status, or any other characteristic protected by applicable law.