{"id":1843851,"url":"https://alion.io/job/helsing-ai-research-engineer-reinforcement-learning","title":"AI Research Engineer - Reinforcement Learning","company":{"id":4739,"name":"Helsing","domain":"helsing.ai","url":"https://alion.io/company/helsing","size_band":"1001-5000","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Ashby","truth_index":{"grade":"A","score":85,"open_postings":61,"ghost_share":0,"stale_share":0.59,"repost_share":0,"time_to_fill_p50_days":50,"computed_at":"2026-10-13T05:45:00Z"}},"role":"AI/ML","role_family":"AI/ML","seniority":null,"employment_type":"full_time","work_mode":"hybrid","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Barcelona, Spain"],"countries":["ES"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":{"min_usd":48000,"max_usd":115000,"period":"year","method":"role_country_seniority_unknown","sample_n":28},"experience_years_min":null,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"AI Agents","optional":false},{"name":"C++","optional":false},{"name":"PPO","optional":false},{"name":"Python","optional":false},{"name":"Reinforcement Learning","optional":false},{"name":"Reinforcement Learning","optional":false},{"name":"Rust","optional":false},{"name":"Multi-Agent Systems","optional":true}],"status":"live","first_seen_at":"2025-09-17T14:26:36Z","employer_posted_date":"2025-09-17","last_verified_at":"2026-10-13T16:36:20Z","board_verified":true,"closed_at":null,"days_open":391,"trust":{"level":"stale","repost_count":0,"flags":["stale"],"days_open":390},"description":"Who we are\nHelsing is a defence AI company. Our mission is to protect our democracies. We aim to achieve technological leadership, so that open societies can continue to make sovereign decisions and control their ethical standards.\nAs democracies, we believe we have a special responsibility to be thoughtful about the development and deployment of powerful technologies like AI. We take this responsibility seriously.\nWe are an ambitious and committed team of engineers, AI specialists and customer-facing programme managers. We are looking for mission-driven people to join our European teams - and apply their skills to solve the most complex and impactful problems. We embrace an open and transparent culture that welcomes healthy debates on the use of technology in defence, its benefits, and its ethical implications.\nThe role\nAt Helsing we deliver AI-based capabilities and the enabling infrastructure that allow semi-autonomous platforms to localise, navigate, and perceive the world in real time. You will have the unique opportunity to shape the future of AI in one of the most challenging sectors, where performance needs to be paired with high generalisation capabilities and strong robustness against adversarial attacks.\nYou will build the autonomy brain for a cutting-edge autonomous aerial platform that will actually take flight. You will develop and integrate state-of-the-art reinforcement learning agents into the operational systems of our own Unmanned Combat Aerial Vehicle, the CA-1 Europa, as part of the groundbreaking Centaur project. This is a unique opportunity to take ownership of novel autonomous systems designed from the ground up, owning the full pipeline from large-scale simulation training through to real-time deployment on flight-ready hardware.\nYou should apply if you\nHold a MSc in Reinforcement Learning, Robotics, Automation and Control, or a closely related field, with a strong focus on sequential decision-making and autonomous systems.\n\nHave hands-on experience building, training, and deploying reinforcement learning agents. You have iterated on a policy beyond simulation and understand what it takes to make learned behaviour reliable in a real operational system.\n\nAre deeply familiar with modern RL and multi-agent RL techniques, including but not limited to: model-free methods (eg. PPO, SAC), population-based training, handling of partial observability and long horizons.\n\nHave experience integrating RL policies into high-performance runtime systems, with a solid understanding of the latency and throughput constraints that come with real-time autonomous decision-making.\n\nPossess solid software engineering skills, writing clean and well-structured code in Python and/or languages like Rust or modern C++, and have experience deploying AI software to production including testing, QA, and monitoring.\n\nHave excellent communication skills and the ability to report and present research findings clearly and efficiently, both internally and externally.\n\nAre passionate about keeping up to date with current research and enjoy reimplementing and extending state-of-the-art approaches in deep reinforcement learning.\n\nNote: We operate at an intersection where women, as well as other minority groups, are systematically under-represented. We encourage you to apply even if you don’t meet all the listed qualifications; ability and impact cannot be summarised in a few bullet points.\nNice to have\nPhD in Reinforcement Learning, Multi-Agent Systems, Automation and Control, Robotics, or a related field, with publications in top-tier venues.\n\nExperience with large-scale distributed RL training frameworks, the infrastructure challenges of running thousands of parallel simulation environments, and gpu-based simulators.\n\nExperience modelling and training multi-agent controllers using state-of-the-art techniques, including emergent coordination, competitive self-play, or decentralised execution with centralised training.\n\nFamiliarity with flight dynamics, aerospace systems, or guidance, navigation, and control (GNC) concepts.\n\nExperience deploying AI software to safety-critical production systems, including formal verification, testing pipelines, and runtime monitoring.\n\nJoin Helsing and work with world-leading experts in their fields\nHelsing’s work is important. You’ll be directly contributing to the protection of democratic countries while balancing both ethical and geopolitical concerns.\n\nThe work is unique. We operate in a domain that has highly unusual technical requirements and constraints, and where robustness, safety, and ethical considerations are vital. You will face unique Engineering and AI challenges that make a meaningful impact in the world.\n\nOur work frequently takes us right up to the state of the art in technical innovation, be it reinforcement learning, distributed systems, generative AI, or deployment infrastructure. The defence industry is entering the most exciting phase of the technological development curve. Advances in our field of world are not incremental: Helsing is part of, and often leading, historic leaps forward.\n\nIn our domain, success is a matter of order-of-magnitude improvements and novel capabilities. This means we take bets, aim high, and focus on big opportunities. Despite being a relatively young company, Helsing has already been selected for multiple significant government contracts.\n\nWe actively encourage healthy, proactive, and diverse debate internally about what we do and how we choose to do it. Teams and individual engineers are trusted (and encouraged) to practise responsible autonomy and critical thinking, and to focus on outcomes, not conformity. At Helsing you will have a say in how we (and you!) work, the opportunity to engage on what does and doesn’t work, and to take ownership of aspects of our culture that you care deeply about.\n\nWhat we offer\nCompetitive salary andVSOP options\n\nRelocation support: up to €2,500 and 4 weeks temporary accommodation\n\nLearning: €500/£450 yearly allowance\n\nHealth & wellness: gym membership and mental health support (Nilo.health)\n\nSocial: regular company events and monthly social allowances\n\nEnhanced parental leave: 22 weeks fully paid for primary caregivers & 6 weeks for secondary caregivers\n\nFamily support: 5 days of paid family emergency leave, 100% remote work option during pregnancy and phased return to work\n\nThese are the core benefits across all locations, there may be additional benefits in certain locations.\nHelsing is an equal opportunities employer. We are committed to equal employment opportunity regardless of race, religion, sexual orientation, age, marital status, disability or gender identity. Please do not submit personal data revealing racial or ethnic origin, political opinions, religious or philosophical beliefs, trade union membership, data concerning your health, or data concerning your sexual orientation.","description_format":"text","description_chars":6921,"description_truncated":false,"requirements":{"experience_years_min":null,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":{"level":"phd","optional":false},"security_clearance":false,"languages":[]},"benefits":["Company events","Gym membership","Parental leave"],"hiring_locations":[{"name":"Spain","iso":"ES","kind":"country"}],"hiring_excludes":[],"relocation_offered":true,"industries":["National Security","Military Drones","Defense AI"],"lifecycle":[{"event":"open","at":"2026-10-04T20:02:04Z"}],"visa":[],"liveness":{"score":2,"band":"cold","label":"Long shot","p_open":1,"p_active":0.063,"p_room":0.28,"age_days":390,"expected_fill_days":50,"reasons":["conf:0","stale_co","velocity","win:tail","crowd:brand"],"computed_at":"2026-10-13T05:45:00Z"},"pay":null,"html_url":"https://alion.io/job/helsing-ai-research-engineer-reinforcement-learning","json_url":"https://alion.io/job/helsing-ai-research-engineer-reinforcement-learning.json","meta":{"generated_at":"2026-10-13T17:47:19Z","cache_seconds":300,"methodology":"https://alion.io/methodology","terms":"https://alion.io/terms","contact":"https://alion.io/contact","api":"https://alion.io/developers","about":"Alion is a live layer of people, companies and AI agents: who they are, whether they are real and active right now, what they do and how to work with them, readable by people and by agents and paid per call.","catalog":"https://alion.io/catalog.json","usage":{"tier":"crawler_verified","counted_by":"address","units_charged":1,"used_today":27143,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-10-14T00:00:00Z"}},"offers":[{"id":"company.slices","title":"One company in depth, by slice","status":"live","price":{"credits":0.02,"usd":0.002,"plus_per_slice":{"credits":0.05,"usd":0.005}},"unit":"per company, plus each slice with data","note":"the employer in depth","call":{"mcp_tool":"get_company","arguments":{"id":4739},"rest":"https://alion.io/mcp/rest/get_company?id=4739"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Fhelsing-ai-research-engineer-reinforcement-learning"},{"id":"market.stats","title":"A market slice: pay, demand and time to fill","status":"live","price":{"credits":1,"usd":0.1},"unit":"per slice","note":"pay, demand and time to fill for this role and place","call":{"mcp_tool":"market_stats"},"human":"https://alion.io/catalog?offer=market.stats&for=job%2Fhelsing-ai-research-engineer-reinforcement-learning"},{"id":"job.search","title":"Open jobs by role, technology, place, pay and visa","status":"live","price":{"credits":0.02,"usd":0.002},"unit":"per posting in a list","note":"similar open postings","call":{"mcp_tool":"search_jobs"},"human":"https://alion.io/catalog?offer=job.search&for=job%2Fhelsing-ai-research-engineer-reinforcement-learning"},{"id":"company.verify","title":"Is this company real and active right now","status":"pilot","price":null,"unit":"per company","request":{"url":"https://alion.io/catalog/request","method":"POST","body":"{\"offer\": \"company.verify\", \"for\": \"job/helsing-ai-research-engineer-reinforcement-learning\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Fhelsing-ai-research-engineer-reinforcement-learning"}]}