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Tech Lead Back-end Engineer

Lviv, Ukraine

Robots & Pencils is seeking a Backend Developer (L4) to support a dedicated delivery team focused on evolving safety-critical and customer-facing applications used daily by field crews, supervisors, and customers. The team emphasizes reliability, security, and regulatory compliance while delivering technical modernization, roadmap initiatives, and platform improvements. 

You’ll work in a mature Agile environment alongside stakeholders and internal team members to deliver end-to-end backend solutions, while providing technical guidance and leadership to ensure high-quality outcomes. 

This role is ideal for an experienced backend engineer with strong technical leadership skills, expertise in Node.js and TypeScript, and a commitment to building reliable, scalable, and maintainable backend systems. 

Key Responsibilities 

  • Design, develop, and maintain backend services using Node.js and TypeScript. 
  • Build and maintain REST and GraphQL APIs to support mobile and web applications. 
  • Ensure application reliability, performance, and security in compliance with enterprise standards. 
  • Collaborate with cross-functional teams, including frontend engineers, QA, and product managers, to deliver full-feature development. 
  • Lead technical decisions, code reviews, and provide guidance on best practices and architecture. 
  • Work with databases (SQL/PostgreSQL or equivalent) and AWS cloud services (EC2, Lambda, RDS or equivalent). 
  • Support integration with legacy systems while modernizing the backend platform. 

Required Skills & Qualifications 

  • 7+ years of professional backend development experience. 
  • Strong proficiency in Node.js, TypeScript, REST APIs, and GraphQL. 
  • Experience with SQL databases (PostgreSQL or similar) and cloud platforms (AWS). 
  • Solid understanding of backend architecture, scalability, and performance optimization. 
  • Experience working in Agile environments and delivering high-quality enterprise applications. 
  • Strong communication skills and ability to collaborate with cross-functional teams. 

Nice to Have 

  • Experience with CI/CD pipelines, automated testing, and cloud infrastructure as code. 
  • Familiarity with regulated enterprise environments or safety-critical applications. 
  • Previous experience in technical leadership or mentoring roles. 

Soft Skills & Personal Competencies 

  • Clear and proactive communicator. 
  • Collaborative mindset and ability to work with complex technical landscapes. 
  • Attention to quality, reliability, and maintainable architecture. 
  • Comfort working with legacy systems while driving modernization efforts. 

Why Join Robots&Pencils? 
You’ll contribute to a high-impact, short-term initiative that supports critical applications used daily by teams in the field. You’ll join a team that values technical excellence, reliability, collaboration, and delivering backend solutions that make a real difference. 

 

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