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Junior Software Engineer

Kinesso

Kinesso

Software Engineering
Netherlands
Posted on Nov 29, 2025

A Day as a Junior/Medior Back-end Engineer at Kinesso:

You start your day attending the stand-up of the development team, sharing your progress and checking whether you need any support from your colleagues, whether remotely or in the office. Every other Friday involves wrapping up your last tasks of the sprint and taking part in the team-wide demo showcasing this sprint’s achievements. During lunch that day, we celebrate the successful sprint.

Post-lunch you join two key moments: the Retrospective and your (personal) improvement time. This could involve learning new back-end concepts, pairing with a medior or senior engineer, improving your code quality, or exploring new tools used within the team. Spotting an invite for a meeting next week, you accept and wind down for the weekend with drinks and snacks, proud of another week of growth and contribution.

Your Role:

We're seeking a Junior/Medior Back-end Engineer to join our innovative team. As a team member, you'll support the development of back-end solutions, learn best practices, and grow your skills while contributing to the evolution of our platform.

Key Responsibilities:

  • Supporting the development of scalable back-end solutions.
  • Implementing back-end features using Java and related technologies.
  • Collaborating closely with cross-functional teams such as front-end, data, and product.
  • Participating in code reviews and learning from more experienced team members.
  • Applying best practices in back-end development, including code quality and performance optimization.
  • Contributing to initiatives aimed at improving back-end tooling, processes, and architecture as you grow in the role.
  • Keeping up to date with emerging technologies and applying new learnings where appropriate.

Preferred Skills:

  • Some experience with back-end development (through internships, projects, or initial work experience).
  • Basic knowledge of Java, databases, APIs, and software design principles.
  • Understanding of back-end architecture patterns and development best practices.
  • Good communication skills, with the ability to collaborate effectively with cross-functional teams.
  • Eagerness to learn, grow, and contribute to technical initiatives.
  • Higher professional education (HBO) level of thinking and working.

What we offer:

  • Hybrid working, part of which is done from our location in Groningen.
  • Collaborating with international teams on tooling and products used around the world.
  • Working in an environment where your opinion and willingness to learn is valued.
  • A challenging job with plenty of room for technical development and the opportunity to make international impact.
  • Opportunity for further development, both internally and externally.
  • Working in an Agile environment.

Kinesso:

KINESSO is the technology-driven performance marketing agency that sits at the very heart of IPG Mediabrands, providing actionable growth for both our agency partners and clients. We turn 'action' into 'outcome' for our clients, leveraging our unique capabilities in optimization, analytics, AI, and experimentation. KINESSO has brought together the collective power of what was formerly Matterkind, Reprise, and Kinesso under one collective entity that will serve as the most powerful delivery engine in the industry. We have extensive offerings spanning across performance marketing, data, and technology. Fueled by a deep understanding of consumer behavior, we offer an end-to-end engine of planning and optimization while also delivering on data-driven strategy for social platforms, actionable growth in e-commerce, and creating curated marketplaces specific to each client's function and needs. The company has more than 6,000 employees operating in more than 60 countries. Learn more at www.KINESSO.com.

Questions:

If you have any questions or are interested in this role, feel free to contact Jaana Hermans at jaana.hermans@kinesso.com