Senior Fullstack Engineer (TypeScript, Node.js, React.js)
Offer summary

(Summary generated by AI based on the full job description)

The project focuses on developing back-office solutions for a global insurance industry leader using Node.js, React, Strapi and related technologies. Key requirements include expertise in React Native, Next.js, Redux, Typescript, Nest.js, AWS, Docker and SQL/NoSQL databases. Responsibilities cover analyzing requirements, writing clean code with tests, technical documentation, proposing improvements, and mentoring juniors. Benefits include private medical care, group insurance, Multisport card and English classes.

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Senior Fullstack Engineer (TypeScript, Node.js, React.js)

Company: Webellian Sp. z o.o.

from: 4 June 2026
to: 4 July 2026
salary not specifiedB2B contract (full-time)
salary not specifiedcontract of employment
Offer parameters
level:senior
working mode:hybrid
Warszawa, Mokotów
Warszawa, MokotówDomaniewska 45View on map

Requirements

Expected technologies

React
React Native
Next.js
Redux
Typescript
Bootstrap
Material UI
Node.js
Nest.js
Fastify
Express
AWS
Jenkins
PostgreSQL
Docker
Bitbucket
Git
GraphQL
SQL

Operating system

Windows

Our requirements

  • Master’s degree in Software Engineering or related engineering field
  • Frontend Technologies: React, React Native, Next.js, Redux, Typescript, Bootstrap, Material UI
  • Backend Technologies: Node.js, Nest.js, Fastify, Express
  • Other Technologies: AWS, Bitbucket/GIT, Jenkins, PostgreSQL, Docker
  • Familiarity with REST API and GraphQL
  • Familiarity with SQL, NoSQL databases
  • Deep understanding of software architecture and development principles
  • Fluency in English is a must (min B2, C1 preferred)
  • Excellent verbal communication skills are a must
  • Can-do attitude
  • Great attention to detail
  • Independence and drive to grow and learn

Your responsibilities

  • Analyzing business requirements
  • Writing clean, functional code, including unit tests
  • Writing technical documentation
  • Propose technical improvements to the application
  • Grow and nurture your junior colleagues' skills
  • Supporting less experienced team members

About the project

We are seeking an experienced Senior Full Stack Engineer (Node.js & React) to join our team and work on exciting projects for our key customers. In this role, you will have the opportunity to interface with our clients and drive the development of their solutions. For instance, you will join the team working on a back-office solution for a global insurance industry leader using Strapi and React.
As a software engineer, you will be responsible for delivering high-quality projects by defining technical requirements based on business needs and deploying clean code. You won't need to reinvent the wheel as we value the power of reusing open-source frameworks and solutions.
To be successful in this position, you must have at least 5 years of experience in Fullstack development, a deep understanding of Node.js, React and related frameworks, and experience in working collaboratively in a team environment.
Join our team, work with us on challenging projects!

This is how we organize our work

This is how we work

agilescrum

This is how we work on a project

  • issue tracking tools
  • testing environments
We love to share knowledge to grow excellence, we speak our minds without playing politics, and just love to hang around together.If you share our passions - we want to meet you! So go ahead and apply.
Company

What we offer

  • Contract under Polish law: B2B or Umowa o Pracę
  • Benefits such as private medical care, group insurance, Multisport card
  • There are English classes available
  • Hybrid work (at least 3 days/week on-site) in Warsaw (Mokotów)
  • Opportunity to work with excellent professionals
  • High standards of work and focus on the quality of code
  • New technologies in use
  • Continuously learning and growth
  • International team
  • Pinball, PlayStation & much more (on-site)

Benefits

  • sharing the costs of sports activities
  • private medical care
  • life insurance
  • remote work opportunities
  • fruits
  • video games at work
  • coffee / tea
  • drinks
  • parking space for employees
  • leisure zone
  • Pinball, PlayStation & much more
  • English classes

Recruitment stages

  • 1.
    📞A quick phone call with our Recruiter.
  • 2.
    📅Online technical interview, testing your skills.
  • 3.
    📅II face-to-face interview with your potential supervisor.
  • 4.
    🗒️Feedback.

Webellian Sp. z o.o.

Webellian is a well-established Digital transformation and IT consulting company committed to creating a positive impact for our clients. We are driven by shared values, strong principles, and a passion for innovative and disruptive technologies. We are a community of truly passionate engineers and senior advisors who work with our clients across industries, playing a deep and meaningful role in accelerating and realizing their vision and strategy.

This is how we work

Senior Fullstack Engineer (TypeScript, Node.js, React.js)
I apply to:
Webellian Sp. z o.o.
Warszawa, Mokotów
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