Optimization Engineer

pWe are looking for an bOptimization Engineer
- Energy /b to join our bEnergy /b department based in bLouvain-la-Neuve /b. /ph3Who we are /h3pN-SIDE is a world leader in increasing the efficiency of life sciences and energy industries by providing software and services that optimize the use of natural resources, facilitating the transition to a more sustainable world. /ppTo achieve this, N-SIDE leverages its deep industry knowledge, technical expertise, and understanding of applied mathematics to help global pharmaceutical and energy companies anticipate, adapt, and optimize their decisions. /ppIn the energy industry, N-SIDE helps electricity market and grid operators in enabling a safer and faster transition toward renewable sources. /ph3What you’ll do /h3ulliTogether with the N-SIDE team, you will contribute to the RD of our Optimization Algorithms, with a primary focus on Market Clearing solutions, by designing and implementing cutting‑edge methods. /liliAs an Optimization Engineer, you will also contribute to maintaining and developing our existing solutions. You will interact closely with business experts and the product users to continuously refine our value proposition and ensure a good market fit. /liliAs an Optimization Engineer, you will also participate in the technical growth of the product and team. You will therefore:br/ulliStay up‑to‑date with emerging technologies, industry trends, and best practices in software‑development and optimization techniques. /liliDepending on your seniority level, you may also mentor junior engineers, providing technical guidance and fostering their growth within the team. Contribute to a positive and inclusive work environment, promoting collaboration and knowledge sharing. /liliBy providing qualitative code reviews and participating in technical choices around our product, you will ensure that the team develops efficient, reusable, and reliable code, and that they adhere to coding standards, best practices, and company guidelines. /li /ul /li /ulh3About you /h3ulliYou have a master's degree or PhD in Applied Mathematics or equivalent, with a minimum of 3 years of relevant professional experience. /liliYou have solid optimization skills, with a focus on large bMIP, LP, and QP /b. Barrier algorithm, Simplex, BB, and PDHG are no secret to you. /liliYou demonstrate capacity and will to innovate. You have already implemented or worked with large optimization models, and proposed innovative solutions to improve their scalability and performance. /liliYou are interested in scientific computing and numerical analysis. You understand how algorithms are implemented in practice. /liliYou have experience in software development. You are familiar with Object‑Oriented Programming. Proficiency in Java is a plus. /liliYou demonstrate excellent problem‑solving abilities. You are able to break down complex problems into manageable components and devise efficient solutions. /liliYou have a continuous learning mindset. The tech stack is constantly evolving, so a willingness to continuously learn and adapt to new technologies, tools, and best practices is essential for long‑term success. /liliYou have a great team spirit, creativity, sense of initiative, and responsibility. You are willing to share your knowledge and, depending on your seniority level, to mentor junior profiles. /liliLeveraging agentic coding for rapid prototyping and proofs‑of‑concept is no secret for you. /liliExperience in the Energy sector, in particular electricity markets and power systems operation, is a nice‑to‑have; /liliYou are fluent in English. /li /ulh3Our offer /h3pWhat’s important for us is that you grow and learn, because we care about you, which is N-SIDE’s hallmark. You will be part of a fun and flexible work environment in which creativity, freedom and initiative are rewarded. /ppYou will join a diverse team of over 200 passionate engineers, computer scientists, and business experts from 30+ different nationalities, with 25% holding PhDs. Together, we are committed to making a meaningful impact toward a more sustainable future. /ppN-SIDE offers a great compensation package, which includes a company car and full range of benefits which can be personalised thanks to our Flex Income Plan. /ppAll candidates will be treated equally without regard to race, color, religion, sex, age, sexual orientation, citizenship, disability, gender identity, marital or family status, veteran status or any other legally protected basis, in accordance with applicable law. N-SIDE will not tolerate discrimination or harassment based on any of these characteristics. /ppWe are headquartered in Belgium with offices in the USA and Japan. The company is certified B Corporation, Best Managed Company by Deloitte Belgium, and ISO 27001. /ppWe are committed to respecting your privacy and protecting your personal data, including any information which allows us to identify you as an individual person. N-SIDE uses the applicant’s per