Java Developer

Posted 8 Days Ago
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Uppsala, SWE
In-Office
Junior
Greentech • Manufacturing • Solar • Renewable Energy
The Role
Develop and maintain a core banking platform using Java. Responsibilities include analyzing customer requirements, designing system functionality, writing maintainable production-ready code, conducting code reviews, supporting testing and releases, and managing dependencies across interconnected components. The role involves independent work, collaboration, pair programming, and end-to-end ownership of features. Swedish fluency and two years of professional Java experience are required.
Summary Generated by Built In
About the role

As a Java Developer at Megasol, you will join our development team responsible for building and evolving our core banking platform.
You will work in a product-driven and customer focused environment where development starts with real business needs and ends with production-ready solutions. In this role, you will take ownership of features throughout the entire development lifecycle, from refinement and design, through implementation, code reviews, testing support and release. While dedicated test engineers support validation, you are expected to ensure that what you build is robust, well-structured and maintainable from start.

The work is a mix of independent problem solving and collaborative development where you will engage with other developers to solve complex problems or design larger system changes but also work independently on well defined tasks.

Because the system is large and highly interconnected, changes often have dependencies across multiple components. This makes careful design, attention to detail and strong communication essential. You will not only be responsible for writing code, but also for understanding how your changes affect the wider system and ensuring smooth integration into production.

What you will do
  • Analyze customer requirements and translate them into technical solutions

  • Design system functionality architecture with the team

  • Write high-quality, maintainable code

  • Perform code reviews and ensure quality across the team

  • Work both independently and in pair programming setups

  • Take responsibility for delivering production ready solutions

Who you are

We believe you are:

  • Highly detailed oriented and committed to delivering high quality work

  • Patient and methodical when working with complex systems and dependencies

  • Motivated by building robust solutions that solve real customers needs

  • A team player who values collaboration and shared responsibility

  • 2 years of professional experience in Java

  • Bachelor degree in computer science or equivalent

It's a bonus if you have:

  • Experience from financial or administrative systems

  • Spring Framework experience

  • SQL knowledge

  • Experience of front-end solutions using Kotlin and Angular

  • Interest in distributed systems and messaging (e.g NATS)

For this position you need to be fluent in Swedish, written and spoken.

What we offer

Being part of Megasol Technologies is like being part of a small and intimate family. We value autonomy and trust. You will be self-managing with flexible working hours to support work life balance.

We follow an office first - approach as we believe the best collaboration, knowledge sharing and problem solving happen when we work together on site. At the same time, you will have flexibility when it makes sense for both the team and the business.

Welcome to join

If you want to work in a technically challenging environment, where you can shape critical financial systems used by banks across Scandinavia and beyond, together with a committed and engaged team, we would love to hear from you.

Skills Required

  • Two years of professional experience in Java
  • Bachelor's degree in computer science or equivalent
  • Fluency in Swedish, written and spoken
  • Experience with financial or administrative systems
  • Spring Framework experience
  • SQL knowledge
  • Front-end experience using Kotlin and Angular
  • Interest in distributed systems and messaging, such as NATS
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The Company
18 Employees
Year Founded: 1993

What We Do

Megasol Energie AG is a Swiss manufacturer of solar modules and photovoltaic systems, serving customers internationally from Deitingen. It develops intelligent mounting systems and produces modules in custom designs, with particular strength in building-integrated photovoltaics. The company also pursues research and development to advance solar technology, while maintaining production in Switzerland and supporting development, sales, logistics, and administration at its Deitingen headquarters.

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