Data Platform Engineer

About Kambi Kambi Group plc is a leading B2B provider of premium sports betting services to licensed gaming operators. Our services provide an end-to-end solution for operators wanting to launch a standalone Sportsbook or bolster their existing offering with an innovative sports betting product. From front-end user interface to customer intelligence, risk management and odds compiling, all built on our in-house developed software, we strive to deliver the ultimate service and solution to our partners. Our vision is to create the world’s leading sports betting experiences, together with our partners. Purpose Be part of a highly skilled, self-organized engineering team building scalable data and machine-learning infrastructure in the cloud. You’ll help design and evolve event-driven data pipelines and model-serving capabilities that power high-value decision-making across the business, working closely with key stakeholders and quantitative analysts to turn complex data into actionable insights and deliver Player and Risk Management products. Key Responsibilities Collaborate with engineers and analysts to design, implement, and maintain cloud-native data and ML services. Build and optimize streaming and batch data workflows with Kafka, dbt/SQL, and related technologies. Develop robust backend components and services in Java/Spring Boot and contribute to model-serving capabilities in Python where appropriate. Contribute to architectural discussions and propose practical solutions in a fast-moving, exploratory environment. Champion best practices in testing, monitoring, and observability to keep data products reliable and secure. Desired Skills & Experience (You don’t need to tick every box, strong skills in several areas plus willingness to learn are what matter most.) Java/Spring Boot expertise (core requirement). Proficiency in Python for data and ML workflows. Hands-on experience with cloud platforms (AWS, GCP, or similar) and modern CI/CD pipelines (e.g., Jenkins, Argo CD). Familiarity with Kafka and dbt/SQL for streaming and transformations. Experience with Spark or similar distributed processing frameworks is a plus. Personal Qualities (Critical for Success) Driven & Self-Motivated – thrives when goals evolve and problems are ambiguous. Communicative & Collaborative – shares ideas openly and builds trust across disciplines. Curious & Adaptive – eager to explore new tools and approaches. Humble & Team-Oriented– values collective achievement in a highly self-organized team. Interested in learning more? Please submit your CV and a cover letter — we’d love to hear from you! #wearekambi Kambi's ongoing commitment to Diversity and Inclusion in the workplace If you require any reasonable adjustment during the recruitment process, please notify your recruiter, who will assist you however they can. Diversity and inclusion is at the heart of who we are and who we aim to be. While we are proud of the positive and inclusive company culture we have created, we know we can do so much more. Kambi constantly evolves its Diversity and Inclusion strategy to ensure it becomes an even more inclusive and positive place to work, with the core management team reaffirming its commitment to delivering on employee feedback. Creating an inclusive environment We believe Kambi's greatest strength is the collective talent of our employees. Kambi is committed to ensuring we create an inclusive work environment where everyone can feel valued, thrive and achieve their potential, regardless of who they are or what their background is. We know that it is only by having a balance of different voices, values and opinions that Kambi is able to be the market leader it is today. #wearekambi

ComeOn Group in short Founded in 2008, ComeOn Group is a leading global player in the rapidly growing iGaming market. Having launched its first online brand in 2010, ComeOn Group is running a wide range of exciting brands across multiple markets. Operating more than 20 brands on its proprietary platform providing a secure, innovative and entertainment-led player experience across casino and sports betting. ComeOn Group is an international employer within the iGaming industry and has over 500 talented employees across 7 main locations. Location: Stockholm, Sweden ComeOn Group is a data-driven company, and our Database Platform Engineering & Operations team plays a key role in enabling reliable and scalable data across the business. We are looking for a hands-on Database Platform Engineer with strong database development skills and a passion for working with data systems in production. You will work closely with operations, engineering and data teams across the company, supporting MySQL and MongoDB environments while contributing to schema design, query optimization, and performance improvements. This role is ideal for someone who enjoys both development and operational work. You will be involved in supporting live systems, handling data migrations and integrations, modernizing legacy systems and helping improve how data flows across the organization. A strong willingness to learn, take ownership, and grow in the areas of databases and data engineering is essential. The position offers the opportunity to develop into broader database and data platform responsibilities over time, contributing to the reliability, performance and evolution of our data systems. Responsibilities: Write, optimize and troubleshoot complex SQL queries and database operations. Contribute to database design, schema evolution and modernization of legacy database structures while working closely with developers to improve data models, application queries and overall database performance. Support large-scale data migrations, B2B integrations and live production changes with accuracy and attention to detail. Help maintain and improve real-time data pipelines and integrations between operational databases and analytics platforms. Collaborate openly across development, DevOps and Data teams while contributing to documentation, knowledge sharing and continuous improvement initiatives. Support and maintain MySQL, MongoDB and related systems across development and production environments. Participate in performance tuning, troubleshooting, monitoring and operational improvements. Automate recurring operational and development-related tasks. Support deployments, releases, access management, change processes and incident handling. Continuously learn and contribute to modern database engineering and data platform practices. About you: Essentials: 2–5 years of experience working with MySQL and/or MongoDB. Exposure to cloud platforms (BigQuery, AWS, GCP). Strong database development skills with confidence writing, optimizing and troubleshooting complex SQL queries. Good understanding of database design principles, schema evolution and performance optimization. Strong interest in databases, data engineering and modern data platforms. Strong communication and collaboration skills with the ability to work closely across development, BI/Data Warehouse and DevOps teams. Strong aptitude to learn, grow and take ownership in a hands-on engineering environment. Comfortable working with live production systems and operational environments. Experience with scripting or automation using Python, Bash or similar tools. Proactive, communicative and solution-oriented mindset. Proficient in English, both spoken and written. Benefits So what can you expect from ComeOn as a place of work? A competitive remuneration package! :moneybag: Fantastic quarterly team events and weekly company events :sunglasses: A one-time bonus to help you set up a comfortable workstation at home (we’re truly Hybrid!) On top of our Hybrid work arrangement, up to 40 days a year to work fully remote from anywhere 🌎 30 paid vacation days a year Generous pension and insurance benefits Brand new laptop and smartphone with fully paid plan Generous health subsidy benefit Company events, including breakfast mornings and Friday beers At ComeOn, we have adapted a Hybrid Work model which means that we offer our employees an option to pick their workstation for the day. Want to work from the office a few days a week and some days from home? That’s totally fine with us! ComeOn is known for their inviting and vibrant offices that offer creative areas for collaboration and desk set-ups designed for a Hybrid Work model. When you visit one of our offices you will always be welcomed by a friendly face that will take good care of you. It’s our curiosity that drives our innovative business forward and we work hard in a run together spirit and we always make sure to top it up by having fun! You will not regret picking ComeOn as your next place of work. At ComeOn Group we value diversity and we take concrete action to ensure fairness in our recruitment process. We are committed to assess candidates on their merit without discriminating against any applicant for whatever reason that is protected by law. We truly value you, as you are. Want to know more about us just visit our website www.comeon-group.com or any of our social media channels to take a deep dive into our culture! LinkedIn Instagram Facebook