{"id":4093429,"url":"https://alion.io/job/mollie-application-engineer-i","title":"Application Engineer I","company":{"id":8986,"name":"Mollie","domain":"mollie.com","url":"https://alion.io/company/mollie","size_band":"501-1000","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Ashby","truth_index":{"grade":"A","score":85,"open_postings":5,"ghost_share":0,"stale_share":0.6,"repost_share":0,"time_to_fill_p50_days":44,"computed_at":"2026-11-14T05:58:10Z"}},"role":"Industrial Engineering","role_family":"Industrial Engineering","seniority":"junior","employment_type":"full_time","work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Milan, Italy"],"countries":["IT"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":null,"experience_years_min":3,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"GCP","optional":false},{"name":"Java","optional":false},{"name":"React Native","optional":false},{"name":"JavaScript","optional":true},{"name":"React.js","optional":true}],"status":"live","first_seen_at":"2026-11-11T15:31:58Z","employer_posted_date":"2026-11-11","last_verified_at":"2026-11-14T11:40:24Z","board_verified":true,"closed_at":null,"days_open":2,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":2},"description":"Build with us\nSince 2004, we've had one clear goal: to make payments and money management effortless for every business in Europe.\nToday, more than 250,000 companies use Mollie to get paid, manage money and grow - with products designed to be simple, scalable, and dependable.\nWith 950+ Mollies across 14+ locations, we care deeply about autonomy and craft. So we work in small teams, with real ownership, and we trust you to make the right decisions.\nWe're building for the long term, so we provide the tools you need, processes you can rely on, and a balanced work environment to help you do work you're proud of.\nSound like your kind of place? Let's build together.\nYour impact\nAs an Application Engineer I in the Hosted Integrations team, you'll help bring e-commerce platform integrations that were built by external consultants back into Mollie's unified e-commerce gateway codebase. You'll work on key high-volume partner integrations, including Shopify, Wix, Lightspeed and Mirakl, and more to come, while we explore a native integration for Salesforce. This is primarily a backend role in Java, where you'll connect services into the wider Mollie ecosystem.\nThe work matters. By keeping high-volume payment processing smooth across major global e-commerce platforms, you directly support Mollie's commercial goals and partner relationships, and you remove financial friction for merchants. You'll have high visibility and a direct line to key revenue drivers. At this level, you move from individual tasks to owning small projects within the team, maintaining and extending the systems you work on, and speaking up when you need help to get unblocked.\nYou'll be part of the only engineering team in the Commercial Partnerships domain, so you'll have the chance to help shape the engineering craft there. You'll work with mature core gateway systems, help scale integration architectures, and learn alongside senior engineers who are stepping into technical leadership.\nWhat you'll ship\nGet up to speed on the e-commerce gateway system\n\nBring integrations built by external consultants back into Mollie's unified e-commerce gateway codebase\n\nStreamline and maintain existing e-commerce integrations, so high-volume transactions are processed reliably\n\nDeliver small, clearly defined projects within the team from start to finish\n\nWrite testable, readable code and contribute to documentation when needed\n\nMonitor, maintain and extend the systems within the team's scope, and take part in support rotations with help from more experienced teammates\n\nShare progress and blockers with the team and stakeholders, and track the outcomes of your work with relevant metrics\n\nWhat you'll bring\n3+ years of professional in software engineering experience\n\nA strong professional background in full-stack software engineering\n\nProficiency in Java and object-oriented programming\n\nProficiency in React and/or React Native\n\nExperience working with scalable applications or gateway systems\n\nA good understanding of cloud environments, with Google Cloud Platform preferred\n\nExcellent English communication skills\n\nGrow your way\nAt Mollie, growth is personal. We believe everyone should have the chance to develop their skills, explore new challenges and shape their career on their own terms.\nYou'll get regular feedback and performance reviews to support your development, with fair and transparent salary reviews along the way. Many Mollies move into new roles or take on new projects to stretch themselves, and we actively hire from within to help you take the next step.\nNo matter if you're aiming for promotion, exploring a different career path or building new skills, you'll be supported with the tools, trust and opportunities to grow your way.\nUnlock your full potential and join us to eliminate financial bureaucracy\nIf you're excited by the idea of building what's next, for yourself and for thousands of businesses across Europe, we'd love to hear from you.\nApply with your CV (in English) using the form below.\nWant a peek behind the scenes? Check out what life at Mollie is really like.\nAI at Mollie\nWe believe in Always Be Shipping, and AI brings that philosophy to life across every team, every role, every day.\nAI is core to how we build. It helps us move faster, simplify work and make smarter decisions, creating real impact for the businesses we serve. We're looking for people who are excited to use AI to shape the future of finance with us.","description_format":"text","description_chars":4456,"description_truncated":false,"requirements":{"experience_years_min":3,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":{"level":"phd","optional":false},"security_clearance":false,"languages":[{"language":"English","level":"Upper-Intermediate (B2)","optional":false}]},"benefits":[],"hiring_locations":[],"hiring_excludes":[],"relocation_offered":false,"industries":["E-commerce Platforms","Payment Processing & Gateways"],"lifecycle":[{"event":"open","at":"2026-11-11T20:36:36Z"}],"visa":[],"liveness":{"score":90,"band":"hot","label":"Hiring now","p_open":1,"p_active":0.903,"p_room":1,"age_days":2,"expected_fill_days":44,"reasons":["conf:2","velocity","win:early","comp:junior"],"computed_at":"2026-11-14T05:58:10Z"},"pay":null,"html_url":"https://alion.io/job/mollie-application-engineer-i","json_url":"https://alion.io/job/mollie-application-engineer-i.json","meta":{"generated_at":"2026-11-14T14:16:48Z","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":15052,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-11-15T00:00:00Z"}},"offers":[{"id":"company.slices","title":"One company in depth, by slice","status":"live","price":{"credits":0.1,"usd":0.01,"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":8986},"rest":"https://alion.io/mcp/rest/get_company?id=8986"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Fmollie-application-engineer-i"},{"id":"market.stats","title":"A market slice: pay, demand and time to fill","status":"free","price":{"credits":0,"usd":0},"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%2Fmollie-application-engineer-i"},{"id":"job.search","title":"Open jobs by role, technology, place, pay and visa","status":"live","price":{"credits":0.1,"usd":0.01},"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%2Fmollie-application-engineer-i"},{"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/mollie-application-engineer-i\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Fmollie-application-engineer-i"}],"agent":{"mcp":"https://alion.io/mcp/jobs","mcp_open":"https://alion.io/mcp/open","next":[{"tool":"get_job","arguments":{"id":4093429}},{"tool":"search_jobs","arguments":{"company":"mollie.com","detail":"compact"}},{"tool":"match_people","arguments":{"job_id":4093429},"note":"people open to offers who fit this vacancy"}],"note":"The same data through MCP tools: https://alion.io/mcp/open needs no sign-in (compact searches, postings, people); https://alion.io/mcp with an Alion account has everything. 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