Middle Full-Stack Software Engineer (Node.js, React, TypeScript)

Posted 12 Days Ago
Easy Apply
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Warsaw, Warszawa, Mazowieckie
In-Office
Mid level
Mobile • Software
The Role
Maintain and enhance the Node.js API and ReactJS frontend, ensure performance and stability, optimize data access, and interface with customers to resolve issues.
Summary Generated by Built In
Why Join Exadel

We’re an AI-first global tech company with 25+ years of engineering leadership, 2,000+ team members, and 500+ active projects powering Fortune 500 clients, including HBO, Microsoft, Google, and Starbucks.

From AI platforms to digital transformation, we partner with enterprise leaders to build what’s next.

What powers it all? Our people are ambitious, collaborative, and constantly evolving.

About the Client

The Client is a custom software development company committed to providing quality IT solutions that facilitate and add value to clients’ businesses. They offer a full spectrum of custom software services, including web and mobile application development.

What You’ll Do  
  • Own the maintenance and enhancement of the Node.js API and ReactJS frontend
  • Ensure long-term stability, scalability, and performance of the user interface
  • Implement advanced improvements to the Hapi.js backend and MobX-based state management
  • Optimize the GraphQL data access layer for efficient and reliable data flow
  • Interface directly with customers to diagnose and resolve complex UI and API issues
  • Bridge user experience and technical execution to deliver high-quality, resilient software updates
What You Bring  
  • Advanced TypeScript: Deep proficiency in TypeScript across the entire stack
  • Frontend Excellence: Strong experience with ReactJS and state management libraries (specifically MobX or Redux)
  • Backend Development: Proven experience with Node.js and web frameworks (experience with Hapi.js is a significant advantage)
  • Modern API Design: Hands-on experience with GraphQL schemas, resolvers, and integration
  • Customer Engagement: Comfortable and effective in interfacing with global customers to troubleshoot and resolve technical challenges
  • Collaboration: Experience working in an Agile environment, maintaining high code quality through peer reviews and testing
  • 3+ years of experience in Full-Stack development with a focus on React and Node.js
  • Strong problem-solving skills with an ability to debug complex, multi-layered applications
  • Full English Proficiency: Essential for direct communication with international customers and internal stakeholders
  • Background in Cyber Security or Identity management – An advantage
English level

Upper-Intermediate

Legal & Hiring Information
  • Exadel is proud to be an Equal Opportunity Employer committed to inclusion across minority, gender identity, sexual orientation, disability, age, and more
  • Reasonable accommodations are available to enable individuals with disabilities to perform essential functions
  • Please note: this job description is not exhaustive. Duties and responsibilities may evolve based on business needs
Your Benefits at Exadel 

Exadel benefits vary by location and contract type. Your recruiter will fill you in on the details.

  • International projects
  • In-office, hybrid, or remote flexibility
  • Medical healthcare
  • Recognition program
  • Ongoing learning & reimbursement 
  • Well-being program
  • Team events & local benefits 
  • Sports compensation 
  • Referral bonuses 
  • Top-tier equipment provision
Exadel Culture

We lead with trust, respect, and purpose. We believe in open dialogue, creative freedom, and mentorship that helps you grow, lead, and make a real difference. Ours is a culture where ideas are challenged, voices are heard, and your impact matters.

Top Skills

GraphQL
Hapi.Js
Mobx
Node.js
React
Redux
Typescript
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The Company
HQ: Walnut Creek, CA
1,549 Employees
Year Founded: 1998

What We Do

For more than 20 years, Exadel has been delivering Digital Transformation services, enterprise and custom software solutions for Fortune 500 clients, including HPE, Deloitte, Home Depot and McKesson. With 20+ locations and delivery centers across the US and Europe, Exadel solves the most complex engineering problems using Agile methodologies, offering a scalable and skilled mix of multi-shore resources at the industry's most competitive price. Exadel’s digital transformation solutions and services help chart new strategies that are built upon creative thinking, cutting-edge design, and technical innovation, designed for the growing digital landscape of business.

Enterprise Services
- Digital Transformation Experts
- Developing mission-critical software and mobile applications
- Advising companies on how best to leverage open source technology
- Helping companies plan and implement migrations to better technology stacks
- Providing QA, automation, and testing services for application development
- Supporting and maintaining applications and systems for companies
- Providing on-line training and mentoring to companies
- Assisting companies in evaluating their current enterprise software architecture and planning for improvements or new systems.

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