Senior React/Node.js Developer

2 Months ago • 5 Years + • Frontend Development

Job Summary

Job Description

The Senior React/Node.js Developer role involves designing and implementing large-scale software solutions using React and Node.js, focusing on high-quality code. Key responsibilities include handling feature aspects, specifications, technical design, development, testing, documentation, and maintenance. The candidate will collaborate with a team, adhere to best engineering practices, and mentor less experienced engineers. The role also involves promoting clean code and design patterns, ensuring effective communication, and following company and client guidelines. The candidate should have over 5 years of experience in Back-end software development, 3 years of experience with TypeScript, and over 3 years of experience working with Node.js, React, and Redux on large-scale applications. They should also have strong experience in designing distributed and secure systems, and good knowledge of testing best practices.
Must have:
  • Over 5 years of experience in Back-end software development
  • At least 3 years of experience with TypeScript
  • Over 3 years of experience with Node.js, React, and Redux
  • Experience in designing distributed and secure systems
  • Experience in building and consuming REST/GraphQL APIs
  • Familiarity with DevOps practices
  • Experience working with a cloud provider
  • Good knowledge of testing best practices
  • At least an Upper-Intermediate level of English
Good to have:
  • Experience with modern JavaScript and ES6 libraries
  • Experience with AWS
Perks:
  • Diversity of Domains & Businesses
  • Variety of technology
  • Health & Legal support
  • Active professional community
  • Continuous education and growing
  • Flexible schedule
  • Remote work
  • Outstanding offices (if you choose it)
  • Sports and community activities

Job Details

Required skills

Node.js / expert
React / expert
AWS / good
Testing practices / strong
English / strong

We are seeking a highly skilled JavaScript expert with extensive experience in React and Node.js, who excels as a collaborative team member. The role goes beyond coding, encompassing responsibilities such as handling feature aspects, specifications, technical design, development, testing, documentation, and maintenance.

Customer

Our client has rapidly become one of Europe’s most swiftly expanding FinTech companies. They oversee all aspects of financial operations, from generating virtual cards to facilitating wire transfers and maintaining customer account balances. As a payment institution, our client provides a platform that integrates financial services into its product, offering features such as account management, card payments, bank transfers, and additional services.

Requirements

  • Over 5 years of experience in Back-end software development
  • At least 3 years of experience with TypeScript
  • Over 3 years of experience working with Node.js, React, and Redux on large-scale applications
  • Strong experience in designing distributed and secure systems
  • Good understanding of microservices architectures
  • Experience in designing, building, and maintaining APIs
  • Experience in building and consuming REST and/or GraphQL APIs
  • Familiarity with DevOps practices
  • Experience working with a cloud provider (AWS, GCP, Azure, etc.)
  • Good knowledge of testing best practices
  • At least an Upper-Intermediate level of English

 

Would be a plus

  • Experience with modern JavaScript and ES6 libraries
  • Experience with AWS

Responsibilities

  • Design and implement large-scale software solutions and components using multiple technologies, with a primary focus on React and Node.js
  • Keep consistently high level of quality throughout all stages of the development
  • Communicate effectively to collaborate closely with the team and gain full context for complex tasks
  • Follow the best engineering practices, as well as company and client guidelines
  • Play supervisory, advisory, and coaching roles for less-experienced engineers on the team
  • Promote clean code, as well as design patterns and principles

WHY US

REF3454V

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About The Company

Sigma Software provides top-quality software development, graphic design, testing, and support services. Systems we develop deliver benefit to customers in automotive, telecommunications, aviation, advertising, gaming industry, banking, real estate, and healthcare. We have advanced skills and ample resources to create large-scale solutions as well as guide startups from idea to profit.

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