# Senior Data Scientist (Optimization & Machine Learning) Source: https://realanalystjobs.com/job/senior-data-scientist-optimization-and-machine-learning-justera-group-f224bec2 Senior Data Scientist (Optimization & Machine Learning) at Justera Group, an on-site role based in Sweden. Posted on 29 July 2026, read from Justera Group's own careers page (Teamtailor), which RealAnalystJobs re-checks daily and removes the role when it closes. Updated 15 November 2026. ## Key facts - Company: [Justera Group](https://realanalystjobs.com/companies/justera) - Location: Sweden - Work mode: On-site - Posted: Jul 29, 2026 - Employment type: Full time - Source: Justera Group's careers page (Teamtailor), re-checked daily Skills: [SQL](https://realanalystjobs.com/skills/sql), [Python](https://realanalystjobs.com/skills/python), [dbt](https://realanalystjobs.com/skills/dbt) ## About this role About Justera Group Justera Group AB is a leading Swedish IT consulting firm with great experience specializing in building high-performing technology teams and delivering end-to-end IT solutions. Led by dynamic female executives, Justera Group focuses on helping businesses harness the power of digital technologies to continuously evolve in today’s rapidly changing economy. The company has deep expertise in IT consultancy, software development, and recruitment services, providing clients with purpose-driven, well-trained consultants who consistently deliver efficient and effective results. Justera Group manages the entire talent lifecycle, from hiring to ongoing management, ensuring the right fit for each project on time and within budget. With their strong commitment to quality, collaboration, and client success, Justera Group is a trusted partner for technology innovation across Sweden. About the Role: We are seeking an experienced Senior Data Scientist with strong expertise in Linear Programming (LP) and Mixed Integer Programming (MIP) to develop, maintain, and scale production-grade optimization solutions. This role requires a solid foundation in optimization, analytics, statistics, and machine learning, along with the ability to build robust, production-ready data science solutions in a cloud environment. The ideal candidate is an experienced Python developer who writes clean, modular, and maintainable code, possesses strong SQL skills, and enjoys collaborating with cross-functional teams to solve complex business challenges. Key Responsibilities: • Maintain, optimize, and enhance existing optimization models by identifying opportunities for improvement and implementing scalable solutions. • Develop, deploy, monitor, and maintain production-grade optimization and machine learning solutions in a cloud environment. • Build and improve data preparation, transformation, and aggregation pipelines while integrating new data sources to enrich model performance. • Analyze model outputs and communicate insights and recommendations to business stakeholders. • Translate business requirements into technical solutions and maintain clear communication throughout the project lifecycle. • Collaborate closely with Data Scientists, Machine Learning Engineers, Product Managers, and other cross-functional stakeholders. • Implement and support MLOps best practices, including deployment, monitoring, automation, and model lifecycle management. • Perform ad hoc data analysis and create visualizations to support data-driven decision-making. • Ensure solution reliability, scalability, and operational efficiency through continuous monitoring and performance improvements. Requirements: • Strong experience with Discrete Optimization, including Linear Programming (LP), Integer Programming (IP), and Mixed Integer Programming (MIP). • Proven experience developing and deploying machine learning solutions in production cloud environments, preferably Google Cloud Platform (GCP). • Advanced Python programming skills with experience writing clean, modular, testable, and production-ready code. • Strong SQL skills for data manipulation, transformation, and analysis. • Hands-on experience with MLOps practices and CI/CD pipelines. • Experience building scalable data wrangling, transformation, and aggregation pipelines. • Familiarity with dbt for data transformation workflows. • Experience working in Agile, cross-functional environments. • Excellent analytical, problem-solving, and stakeholder communication skills. • Ability to thrive in complex, fast-paced, and evolving business environments. What We Offer: • A dynamic and innovative workplace driving advancements in cutting-edge robotic technologies • The opportunity to collaborate with talented cross-functional teams on meaningful and impactful projects • Competitive compensation and comprehensive benefits package • A supportive culture that fosters continuous learning, growth, and professional development • Flexible hybrid working model for an optimal work-life balance • 25 days of annual leave to recharge and relax • An annual wellness allowance of 3,500 SEK to support your health and wellbeing Description from Justera Group's public careers feed, reproduced so you can read the role here. Apply on the company's own site; Real Analyst Jobs never submits anything for you. ## How to apply Open [this role on Real Analyst Jobs](https://realanalystjobs.com/job/senior-data-scientist-optimization-and-machine-learning-justera-group-f224bec2) and use Apply now there to reach the employer's application. The listing is re-checked against Justera Group's careers page daily and removed when it closes. ## Justera Group 3 open analyst roles on Real Analyst Jobs. [More roles at Justera Group](https://realanalystjobs.com/companies/justera) ## More like this ### Other open roles at Justera Group - [Senior Business Consultant / Business Analyst](https://realanalystjobs.com/job/senior-business-consultant-business-analyst-justera-group-26353d19), Gothenburg, Sweden (On-site) - [Business IT Analyst](https://realanalystjobs.com/job/business-it-analyst-justera-group-9c703be4), Sweden (On-site) - [Data Product & Platform Operations Engineer](https://realanalystjobs.com/job/data-product-and-platform-operations-engineer-justera-group-e71b2dc3), Malmö, Sweden (On-site) - [Analyst job market report](https://realanalystjobs.com/analyst-job-market) - [What analyst roles pay](https://realanalystjobs.com/blog/data-analyst-salaries) ## Sources and links - [This role on Real Analyst Jobs](https://realanalystjobs.com/job/senior-data-scientist-optimization-and-machine-learning-justera-group-f224bec2) - [Justera Group on Real Analyst Jobs](https://realanalystjobs.com/companies/justera) - [All analyst jobs](https://realanalystjobs.com/jobs)