Lead Fullstack Software Engineer

Sorry, this job was removed at 10:12 a.m. (CST) on Monday, Sep 29, 2025
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7 Locations
In-Office
Software
The Role

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, and leading more junior developers in their work
  • Doing code reviews, writing documentation, refactoring, bug fixes, improving code quality
  • Assisting the Engineering Manager by defining the strategy to develop several workstreams
  • Responsible for various services best practices, their performance and scalability
  • Participating in and coaching others to improve team 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

What you’ll bring to the table 

  • 10+ years of professional experience
  • 8+ years of hands-on development
  • 3+ years of experience leading full-stack, multidisciplinary teams
  • Solid understanding of data structures, business logic, and developing production quality solutions and using supporting tools such as Gitlab.
  • Ability to translate complex business and product requirements into technical solutions
  • Flexible abstraction level of thinking when problem solving with different stakeholders
  • Able to evaluate different approaches and objectively evaluate the right way forward
  • 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
What we consider as an advantage:
  • Experience in GraphQL
  • Experience with GitLab and GitLab CI
  • Experience with unit testing and e2e testing
  • Experience with SQL Transactions processes
  • Understanding of Retail Supply Chain challenges
  • 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!

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The Company
HQ: Helsinki
981 Employees
Year Founded: 2005

What We Do

RELEX Solutions is a leading provider of cutting-edge retail optimization software that’s built for the age of Living Retail, where change is the only constant. We help retailers adapt to every future, faster.

Our cloud-native Living Retail Platform delivers pragmatic AI across all retail functions and at retail scale, removing siloes, rigidities and inefficiencies along the way. We offer a fast lane to value that builds from a foundation of radically improved demand forecasting and supply chain optimization. Our customers leverage this enhanced supply chain visibility into exponential benefits — optimizing their space, allocation, workforce, pricing and promotion strategies, all within our unified platform.

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