{"id":4206541,"url":"https://alion.io/job/mews-staff-engineer-fintech","title":"Staff Engineer - Fintech","company":{"id":6710,"name":"Mews","domain":"mews.com","url":"https://alion.io/company/mews","size_band":"201-500","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Greenhouse","truth_index":{"grade":"A","score":90,"open_postings":5,"ghost_share":0,"stale_share":0.4,"repost_share":0,"time_to_fill_p50_days":51,"computed_at":"2026-11-12T10:38:37Z"}},"role":"Industrial Engineering","role_family":"Industrial Engineering","seniority":"staff","employment_type":null,"work_mode":"remote","remote_scope":"stated_countries","remote_scope_basis":"board_field","remote_working_hours":null,"hiring_geo_confidence":"inferred","locations":["Czech Republic","Ireland","Netherlands","Spain","United Kingdom"],"countries":["CZ","IE","NL","ES","GB"],"hiring_countries":["GB","CZ","NL","ES"],"hiring_countries_total":4,"salary":{"min":79500,"max":98200,"currency":"EUR","period":"year","gross":null,"usd_annual":108572},"salary_estimate":null,"experience_years_min":null,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"Confluence","optional":false},{"name":"Claude","optional":true},{"name":"Together AI","optional":true}],"status":"live","first_seen_at":"2026-11-12T16:37:39Z","employer_posted_date":"2026-11-12","last_verified_at":"2026-11-12T23:48:45Z","board_verified":true,"closed_at":null,"days_open":0,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":0},"description":"Help make the world more hospitable\nThe hospitality industry is uniquely human, and it deserves technology that’s just as inspiring as the people behind it. At Mews, we’re transforming the industry with a platform that helps hotels run smarter, move faster and create better guest experiences.\nYou’ll work with smart, curious people who care deeply about what they do. You’ll have autonomy and the trust to make good decisions and move quickly. And you’ll enjoy a real sense of purpose as you see the impact of what we’re building.\nIf you’re motivated by ownership, curiosity and meaningful impact, and are driven to deliver consistent high performance, you’ll feel at home here.\nAbout the role\nLet's get into the specifics. It’s impossible to capture every nuance of a role - especially at a rapidly growing company like Mews - but if we had to distil it into a job description (which we do because this is a job description), it would be this:\nYou will own the agents, skills and standards that let a tribe of product builders move quickly on payments without the architecture fragmenting. Hotels take payments across regions and through providers that each behave differently, and Payment Interfaces exists to give customers one coherent payment experience on top of several PSPs. Embedded payments at this depth is rare among European SaaS companies, so the problems here are ones few engineers get to work on.\nYou will be a Staff Engineer in the Payment Interfaces team, part of the Fintech tribe. You will report to the Director of Product and Engineering, sit in the tribe’s leadership group, and work alongside product builders, other staff engineers and product managers. No one reports to you, so your influence comes from the architecture, tools and standards that other people choose to work in.\nThe team integrates several PSPs depending on region and conditions. When integrations drift apart, builders slow down and quality suffers. This role exists to keep them coherent by encoding what good looks like into tools and agents, so every builder meets the standard by default.\nWhat you would do \nOwn the tribe’s engineering agents, skills and context, and encode architectural standards, review logic and quality gates into them so the standard is met by default.\nBuild an AI first responder for customer tickets about payment issues, with clear rules for when it answers and when it hands over to a person.\nStay hands-on for the hardest technical problems: migrations, system-wide refactors and long-lived architecture decisions across PSP integrations.\nKeep Payment Interfaces integrations coherent as PSPs and regional requirements change, collaborating with builders who own their own work.\nCoach builders and fix off-standard outcomes at the cause, so the lesson sticks.\nAI Fluency Level 4: in this role, that means you build the AI systems the tribe works in, not only use them. You design the agents, skills and evaluations that builders rely on every day, make the engineering decisions about how they behave, and set the rules for when an AI answer can stand and when a person must step in.\nFor more information on AI fluency at Mews, please refer to “AI Fluency at Mews: A Comprehensive Guide for Candidates ” on Confluence.\nWhat you would bring \nHands-on experience integrating with payment service providers or payment processors.\nDeep engineering craft and architectural judgment, including a sense of what is worth codifying and what is a one-off.\nAI Fluency Level 4 or the equivalent hands-on experience: you have built agents, skills, evaluations or tooling that other engineers use, and you can explain where human oversight stays non-negotiable.\nA systems mindset that turns hard-won knowledge into reusable architecture and tooling rather than documentation.\nComfort with influence as your main way of getting things done, working with builders, product managers, principals and senior leaders without anyone reporting to you.\nNice to have \nExperience in hospitality, travel or another operationally complex B2B SaaS environment.\nExperience publishing or speaking externally about your work.\nA track record of coaching other engineers and multiplying their effectiveness.\nSpain\n€79.500—€98.200 EUR\nCzechia\n1 491 000 Kč—1 954 000 Kč CZK\nUK\n£81,000—£103,200 GBP\nNetherlands\n$86,500—$104,700 USD\nIreland\n$91,000—$114,400 USD\nPay Transparency at Mews\nSalary ranges are provided in good faith and reflect current market conditions and internal pay structures. Final compensation may be adjusted based on funding, budget constraints, or exceptional candidate qualifications, but will remain within reasonable proximity to the stated range.\nThis salary disclosure is provided in compliance with applicable pay transparency legislation. We are committed to equal pay practices and prohibit salary history inquiries during our recruitment process.\nIf the location you're applying from wasn't originally advertised for this role, salary range information is available upon request at any point during the application/interview process - your recruiter will be able to help.\nWhat’s in it for you?\nOur success is powered by our incredible people, supported by benefits that help them thrive.\nGlobal benefits\nNo matter where you’re based, you’ll enjoy:\nUnlimited paid holiday (yes, really)\nParticipation in our company share program\nPaid parental leave (6 months fully paid for primary caregivers, 2 months for secondary, available after one year of service)\nAn annual Learning budget of €300 (and more for high performers) to support your development\nMonthly \"EDGE\" time to Explore, Develop, Grow, and Elevate yourself\nA work from anywhere policy with flexibility to work abroad for a few weeks each year\nRelocation options, available after one year\nFlexible, hybrid working options\nA home office setup budget to make your workspace your own and a monthly work-from-home allowance\nClaude tokens, so you can automate workflows and build smarter, more efficient ways of working\nLocal benefits\nYou'll receive additional benefits that vary by location, from healthcare and retirement plans to team events, socials and other perks. Ask us about it during your interview process.\nLife at Mews\nWe’re an equal opportunities employer. We value teams that reflect the diversity of the customers and communities we serve. Different perspectives make better ideas, stronger products and a more welcoming company.\nWe also believe transparency is important when deciding if you're the right fit. Mews is an ambitious, high-pressure environment of continuous learning and high standards. Success here requires resilience, adaptability and a willingness to solve difficult problems.\nA few things that define how we work:\nHigh autonomy means high responsibility. People are expected to take ownership and drive outcomes. There isn’t a detailed playbook for everything, and that’s part of what makes the work challenging - and rewarding.\nChange is constant. We’re growing quickly and adapting as we scale. Teams, processes and priorities continue to evolve, and only people who stay curious and agile will thrive.\nWe’re remote-first, not relationship-free. Flexibility is core to how we work, but strong relationships still matter. Our teams are global, so we need expert collaborators and communicators to help us move forward together.\nAI is an integral part of our processes. It’s not here to steal people’s jobs, but to amplify efficiency and productivity. We’re motivated to proactively use the technology to seek out better ways of working and share our findings with the rest of the company.\nIf there's anything we can do to support you during the application process, let us know.\nWe don't discriminate on the basis of race, religion, colour, nationality, gender, sexual orientation, age, marital status, veteran status, disability or any other protected characteristic.\nOne final thing: don't hold back. If you don't meet 100% of the criteria in this job description but you're certain you could make a big impact, apply. 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