Lead Full Stack Developer

We are Blocket, Sweden’s largest and most popular marketplace with around 12,3M monthly active users generating 100 million sessions. We are proud of our work to enable second-hand trade in Sweden and our contribution to a positive environmental impact.

Want to get a feel for the Blocket vibe? Check us out on LinkedIn and read more on Begagnateffekten!

Why should you join our mission?

At Team Transaction, we help customers and users have seamless and efficient experiences. As a member of our crew, you will play a key role in developing and executing our product strategy, ensuring that our users have a safe and easy experience when it comes to shipping and payment.

In today's digital-driven era, we aim to keep things steady, develop our area, and exceed our users' expectations. If you're up for the challenge of building smarter code while ensuring our users can sit back and relax while their sold or bought items are shipped, we want to hear from you!

Who you are:

As a Lead Full Stack Developer on our team, you will play a crucial role in creating and executing product strategies to ensure smooth and efficient customer journeys.

We understand that in today's digital-driven era, it's essential to keep up with the ever-changing demands of users. That's why we need someone who is passionate about building smarter code to keep up with our user's expectations.

With your help and expertise, we can make shipping and payment easy and secure, allowing our users to sit back and relax while we take care of the rest. So, if you're ready to join our crew and help us revolutionize the e-commerce industry, we would love to hear from you.

What You’ll Do:

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Design and build services with a focus on business value and usability.

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Design systems with scalability and flexibility in mind.

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Design, develop, document, test, deploy, and maintain software applications.

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Improve software quality using Scrum practices such as code review and unit testing.

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Identify the critical details and prioritise incremental delivery

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Share and implement ideas to help our teams move fast


What You’ll Need:

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5+ years of experience in building and maintaining high-quality, scalable, service-oriented web applications with React and Kotlin.

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Proficiency with Python (must) and one or more modern programming languages (Java, Kotlin, ReactJS...etc.).

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Experience working on AWS (must) or any other cloud platform ecosystem.

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Strong sense of ownership and focus on long-term usability and extensibility.

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A collaborative attitude, team player, friendly, with passion and flexibility to learn new tools and skill sets.

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Hands-on development experience in Java with/without J2EE or/and Kotlin

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More than three years of professional experience in a software engineer or equivalent position.

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Familiar with cloud-native technology and architecture.

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Experience working on Distributed systems and microservices.


You do not need to master all the technologies in the list above, but it is an advantage to have good experience in coding in the backend, for example, with Python.

We also have a broad benefits package built around your work-life balance which includes:

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Field trips and conferences to build expertise and create well-being and good experiences

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Digital courses through LearningLab, LinkedIn learning, Videocation ++

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Flexible working

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High well-being factor at work

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Company health service, varied training offers, massage and physiotherapy


Interested in joining?

We look forward to hearing from you! Send your CV or apply with your LinkedIn profile and let us know what makes you tick. We would love to get to know you a bit better! Have a link to some neat stuff on GitHub? Make sure to include a link when you apply.


The Blocket journey began in Skåne 1996 - since then the concept of Blocket has been exported to over 40 other countries. Today, Blocket, which is owned by the media group Schibsted, is Sweden’s largest online marketplace. There are approximately 600 000 items, vehicles, jobs and housing being advertised and discovered by its 5 million visitors every week. The value for all advertisements in 2018 amounted to SEK 714 billion - equal to 15 percent of Sweden’s GDP. Thanks to second-hand trading at Blocket, 0.8 million tonnes of greenhouse gases can be avoided every year. The output being equivalent to if Stockholm’s city roads stood empty for about a year. Blocket has approximately 240 colleagues and the office is located in central Stockholm. Together, we are passionate about second-hand trading, the environment and the continued growth of Blocket - one of Sweden’s largest sites. We are proud environmental heroes and enjoy working together. Read more on our career page.