Join to apply for the Senior Software Engineer - Optimization role at Superlinear.
The opportunity
"Artificial Intelligence has shifted from prediction to practice, ushering in the autonomous enterprise—where systems of intelligence drive operations, not just support them." For the past eight years, we've been supporting some of the most iconic enterprises to embrace the potential of AI. Building on our experience and proven impact, we are now more committed than ever to our vision : creating a world of possibility through Superlinear productivity gains.
The next step is clear : we are broadening our horizon throughout Europe, supporting the world’s most critical enterprises in their transformation. To realize this ambitious vision, we’re seeking sharp minds and steady hands : people who care deeply, are mission-driven, build boldly, and own the outcome.
The role
As our Software Engineer specialized in Mathematical Optimization, you'll be building the mathematical engines that solve large‑scale industrial optimization problems. You'll work on challenges where optimal solutions can drive millions in economic value.
What You’ll Build
Optimization Solutions
- Model complex real‑world problems as constraint programming problems
- Determine the model scope to maximize impact while guaranteeing tractability
- Decompose large‑scale problems to achieve tractability
- Design hard and soft constraints to achieve real‑world feasibility
- Design (lexicographic) objectives to achieve maximal real‑world impact
- Implement multi‑objective optimization with Pareto frontier computation
Natural Language Interfaces
Design Python APIs to make constraint programming accessible to developersDesign Python APIs to enable Large Language Models to implement and modify optimization modelsDesign natural language interfaces that enable business users to efficiently mitigate operational disruptionsDesign natural language interfaces that enable business users to simulate and compare different scenariosDesign natural language interfaces that provide intuitive explanations for decision proposalsScalable Solver Algorithms
Design compilers that translate high‑level optimization problem representations into efficient constraint programsDesign (meta‑)algorithms that prioritize finding good feasible solutions quicklyApply reinforcement learning to accelerate optimization algorithmsDesign distributed optimization solvers wherein multiple strategies collaborate to find good feasible solutionsRobust Software
Develop robust and maintainable Python packages and APIs for optimizationDevelop benchmarks and evaluate software performance on those benchmarksBuild comprehensive test suites that validate correctness and robustnessImplement monitoring and observability for optimization systemsWho You Are
Essential Experience
Background in Mathematical Optimization through academic or industry experienceIdeally experienced with Constraint Programming; strong expertise in Operations Research, Metaheuristics, or Convex Optimization is equally valuableProven Python programming skills with production‑quality codeTrack record of solving real‑world optimization problemsAptitude to translate business requirements into mathematical modelsSkills That Matter
Experience with optimization solvers (OR‑Tools, Choco, Gurobi, CPLEX, etc.)Operations Research techniques and Mixed‑Integer Linear ProgrammingMetaheuristicsExperience with large‑scale distributed optimizationAPI design and developer experienceKnowledge of Large Language Models and their potential applicationsReinforcement learningFluency in English (other languages are a plus)Mindset & Approach
Pragmatic problem‑solving mindsetClear communication of complex concepts to diverse stakeholdersPassion for applying mathematical techniques to real‑world impactInterest in pushing the boundaries of what’s computationally possibleWhy this role matters
You’ll be working on optimization problems that directly impact critical European infrastructure and enterprises. Your solutions will optimize billions in economic activity, from coordinating complex logistics operations to scheduling critical resources.
This is a unique opportunity to work with cutting‑edge optimization techniques while solving problems of unprecedented scale and real‑world importance. You’ll have the freedom to explore novel approaches, including the integration of AI techniques with traditional optimization methods.
What We Offer
Impact : Your algorithms will transform operations for Europe’s most critical enterprisesChallenge : Work on complex constraint satisfaction problems at massive scaleInnovation : Freedom to explore novel techniques and AI integrationGrowth : Shape the technical direction of our optimization capabilitiesCollaboration : Work closely together with our Brussels teamCompensation : Competitive salary with performance bonus and equityBenefits : Comprehensive health insurance, group insurance, meal / eco vouchers, full transportation coverage, internet allowance, and additional Superlinear holidaysTools : MacBook Pro, cloud compute resources, and optimization solver licensesTeam : Collaborate with brilliant minds in AIReady to solve the unsolvable?
If you have expertise in mathematical optimization and are excited about applying it to transform how complex systems operate, we want to hear from you.
Join us in building optimization solutions that will power the next generation of intelligent enterprise systems.
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