Senior Software Engineer - Java

Luminar Ventures AB; Stockholms kommun; On-site; SEK 700,000 - 1,000,000; Full time

Benefits offered by this job

Fast-growing scale-up

High-performing team

Flexible work

Central Stockholm office

Job summary

Mynt is seeking a Backend Developer to build robust business logic and scalable APIs for web and mobile applications, using Java, in an entrepreneurial environment in Stockholm.

Join an experienced team with agile practices, TDD, CI/CD, and opportunities to influence product direction and architecture.

You will work in a modern codebase with ownership from day one and collaborate with product managers across domains.

Qualifications

• Bachelor’s degree in Engineering, Computer Science, or equivalent experience.
• At least 5+ years of experience in backend development using Java.
• Ability to write clean, maintainable, and well-documented code.
• A collaborative mindset with a passion for solving problems as part of a team.
• Fluent in Swedish and English.

Skills

Java

Backend development

Clean code

Team collaboration

Swedish & English

Education

Bachelor’s degree in Engineering or Computer Science

Tools

MongoDB

MySQL

Redis

AWS

Docker

CircleCI

Job description

About Mynt

Mynt is an all-in-one corporate card and spend management platform on a mission to fundamentally transform business banking. By combining modern software, corporate cards, and payments infrastructure, we help businesses eliminate manual financial administration and gain full control over company spending.

Over the past year, Mynt has grown by more than 90%, making us one of the fastest-growing fintech companies in the Nordics. Backed by strong investors and recent funding, we are continuing to scale rapidly across existing and new markets.

As a tech-first company with a product-led mindset, we empower teams to solve complex problems and build solutions that create real value for our customers. Today, Mynt is a licensed e-money institution, card issuer, and payment processor under the supervision of the Swedish Financial Supervisory Authority.

We have established strategic partnerships with leading players across banking, ERP, fleet, and mobility, enabling us to embed our solutions into the daily workflows of thousands of businesses. Our platform is live across all Nordic markets, with partners including Fortnox and Nordea, and several exciting collaborations underway.

Joining Mynt means becoming part of an ambitious and high-performing team that is building the future of business finance. With 110+ employees in Sweden, Finland and Norway, and strong momentum across the business, we are entering an exciting new phase of growth, scale, and international expansion.

About the Role

We are looking for talented developers who are passionate about building high-quality software and enjoy working in an entrepreneurial environment where you can truly influence both the product and the company’s direction.

At Mynt, you will work in a modern codebase using the latest technologies, with a high level of ownership and responsibility from day one.

You will join an ambitious and experienced team with backgrounds in scale-ups, finance, and consulting. We work in agile sprints, combining close collaboration with a strong sense of individual autonomy.

As a Backend Developer, you will focus on building robust business logic and scalable APIs for both web and mobile applications, working closely with product managers in each domain. Our development process is rooted in agile principles, clean code, and CI/CD. Testing, TDD, and automation are integral parts of how we ensure quality and maintain speed.

You will also contribute to architectural decisions and have the opportunity to help shape and build new products from an early stage, using technologies such as Java, MongoDB, MySQL, Redis, AWS, Docker, and CircleCI.

Qualifications

• Bachelor’s degree in Engineering, Computer Science, or equivalent experience
• At least 5+ years of experience in backend development using Java
• Ability to write clean, maintainable, and well-documented code
• A collaborative mindset with a passion for solving problems as part of a team
• Fluent in Swedish and English

What we can offer you

• Be part of an amazing team in a fast-growing scale-up.
• Work closely with a fun, high-performing team.
• Enjoy a flexible working environment with a great office location in central Stockholm.
• Shape your own development and responsibilities based on your passion and interest.