Senior Fullstack Software Engineer
RELEX Solutions.com
Office
Helsinki, Finland; Lisbon, Portugal; Stockholm, Sweden
Full Time
RELEX Solutions create cutting-edge optimisation software to help retailers and consumer brands drive profitable growth. With growth comes opportunities, and we embrace both. Within our platforms, our teams are driving change, working with international colleagues and the latest tech stack to develop solutions that transform into a pioneering end product; it’s tangible and impactful – for our customers and the world.
Our Technology Team
Our Technology team enjoys a challenge. They’re hungry to learn and don’t hesitate to ask what, why, and how. They get to work with various technologies to create high-quality, scalable applications (just imagine, thousands of stores, millions of products, and billions of rows of raw data!). Their expertise positively impacts the environment and business processes around the world; alongside international colleagues, they drive change and develop solutions that become our pioneering end product. From functional programming, machine learning, and interesting algorithms, to building big data pipelines, they’re behind it all. They can work flexibly, remote or in-office - after all, they contribute to all our achievements, so we reward them with genuine work-life balance and access to every opportunity.
RELEX Plan is a service that helps our customers optimize the availability of the products in stores, by forecasting the demand. You’ll join a new multi-disciplinary team focused on long term planning and customer collaboration topics such as Merchandise Financial Planning. As a team, we value planning our work, collaborating on epics, and helping each other with tasks to achieve as a team.The role will focus on front-end TypeScript development for the Plan web application, built with React. Business logic is handled primarily on the Java backend. The ideal candidate will collaborate closely with a multidisciplinary team, including Front-end Developers, Designers, Java Developers, Business Rules Solution Architects, as well as Database and Performance teams.We also place strong emphasis on working directly with our customers and Operations teams to gather insights and validate solutions.
What you’ll be doing:
You will use your skills and experience to build RELEX Plan, one of the three main applications within RELEX.
- Writing code and automated tests
- Helping on code reviews, documentation, refactoring, bug fixes, improving code quality
- Participating on various services best practices, their performance and scalability
- Following and promoting team best practices
- Collaborating within the team and with other Technology and Product teams
- Promoting a team culture of working together while respecting individuals' own preferences
- We like to move fast; we want to see your good ideas without extensive bureaucracy
- 5+ years of professional experience
- 3+ years last years of full-stack hands-on development
- Understanding of data structures, business logic, and developing production quality solutions and using supporting tools such as Gitlab.
- Ability to understand business and product requirements
- Flexible abstraction level of thinking when problem solving with different stakeholders
- High levels of empathy for challenges that others face, and a team-first attitude to success
- Interest to develop oneself and sharing knowledge with others
- Super-high levels of curiosity and appetite for learning from others
- Fluency in verbal and written communication in English
- Experience in GraphQL
- Experience with GitLab and GitLab CI
- Experience with unit testing and e2e testing
- Experience in working in the agile software development team
- Enthusiasm towards improving code performance
What we offer in return
You’ll be supported and given the space to thrive. We offer meaningful work, flexibility, and a culture that backs you to share your voice and be authentic.
- An international career and learning opportunities
- A rapidly growing and financially robust software company with exciting opportunities for career growth, also in the future
These are the RELEX key benefits
- Flexible working
- Genuine work-life balance
- Annual leave
- Internet and mobile phone benefits
- Diverse, inclusive, and supportive work culture
- Meaningful work with a commitment to a more sustainable future
- High autonomy
- Room for creativity
- Strong team spirit through company parties, two team days per year, and after-work activities
- Family-oriented policies
- Flat hierarchies
- Two paid volunteering days each year
We are a global community of different cultures, voices, and experiences. We celebrate what makes us unique and connect through what we share, in an authentic and safe environment. Together we shape the future, and each other.
- If you feel this is the opportunity you don’t want to miss, you can apply by sending your cover letter and resume through the application form as soon as possible.
- Apply today and be part of the future. Be RELEX!
Senior Fullstack Software Engineer
Office
Helsinki, Finland; Lisbon, Portugal; Stockholm, Sweden
Full Time
October 3, 2025