Mid FullStack Developer (TypeScript+React)

We are looking for a skilled Fullstack Developer with solid experience in TypeScript and React, and a strong understanding of Node.js and Nest.js. The ideal candidate is proactive, detail-oriented, and eager to work in an agile, international environment.

You will join KOIA, a digital-first software house, and collaborate with our Norwegian fintech client, developing innovative technology solutions that enhance financial experiences for individual clients. The system supports the entire customer journey, ensuring efficiency, transparency, and a seamless experience from first interaction to completion.

You might be the perfect match if you are/have:

• Minimum of 3 years of experience in a similar position.

• Proficiency in TypeScript and React (with Expo experience).

• Good knowledge of Node.js and Nest.js.

• Familiarity with event-driven architecture (EDA) and Domain-Driven Design (DDD) principles.

• Experience in writing end-to-end (e2e) tests.

• .NET is nice to have and considered a plus.

• A bachelor’s degree in Computer Science or a related field (preferred).

• Fluency in English (B2+) for daily client communication.

• A collaborative mindset, attention to detail, and a focus on quality.

  
  

Tech stack you’ll work with

• Frontend: TypeScript, React,

• Backend: TypeScript (Node and Nest.js), .NET8-9

• Databases: PostgreSQL, Redis, MongoDB

• Messaging system: Apache Kafka

• Infrastructure: AWS

• DevOps & Tools: GH Actions

• Version Control: GitHub

• Project Management: Jira

• Time Tracking: Toggl

  
  

You will

• Contribute to both front-end and back-end development.

• Support clients in transforming existing applications to a modern tech stack.

• Ensure high-quality code through testing and code reviews.

• Collaborate in a remote-first environment, with the option to use our Gdańsk office.

• Maintain a client-centered mindset, engaging in regular and open communication.

• Contribute to the success of innovative technology projects in the fintech sector.

Offer description

• Decent salary: In KOIA, we value talent and professionalism. We believe respect and fair reward matter more than perks — that’s why we offer:

  19 - 24 EUR/hour + VAT (B2B contract)

• Dynamic Work Environment: an invigorating workspace with a mix of Norwegian and Polish innovation focused on smart software solutions.

• Team Culture: Here, we respect maturity, conversations, and intelligent working (which means not overwork but taking care of ourselves along the way). We see the value in effective listening, so your thoughts and ideas matter to us.

• Continuous Learning: We support continued learning and offer learning opportunities as well as access to any tools you might need.

• Sustainable Life Concept: It is not only about work. We care about body, mind, and spirit, organize events for meeting together, etc.

• Excellent Office Space in Gdańsk: Although we are remote-first, our office offers a comfortable and adjustable workspace with plants, a meditation room, bike parking, and a loaded kitchen.

• Fantastic Partners: You'll have the chance to work with innovators in the fintech and climate-tech scenes in Norway.

By joining KOIA, you will be a part of a successful team committed to creating meaningful solutions and promoting a healthy and fulfilling work environment.

Hiring Process

At KOIA, we value a clear and efficient recruitment journey. Here’s what to expect:

• Email with Clarifying Questions

  After submitting your application, you’ll receive an email with a few additional questions to better understand your experience and skills.

• Video Call with HR

  A 1 hour conversation with our HR team to discuss your background, expectations, and company culture fit.

• Pair Programming Video Call

  A hands-on coding session with one of our engineers and our CTO, where you’ll collaborate on a real-world problem to assess your technical and problem-solving skills.

• Offer

  If everything aligns, you’ll receive a job offer and details about the next steps in joining KOIA!