{"id":2407941,"url":"https://alion.io/job/vinted-senior-backend-engineer-ii-agent-platform","title":"Senior Backend Engineer II, Agent Platform","company":{"id":56356,"name":"Vinted","domain":"vinted.com","url":"https://alion.io/company/vinted-com","size_band":"1001-5000","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Greenhouse","truth_index":{"grade":"B","score":80,"open_postings":30,"ghost_share":0,"stale_share":1,"repost_share":0,"time_to_fill_p50_days":12,"computed_at":"2026-10-14T06:34:16Z"}},"role":"Backend","role_family":"Backend","seniority":"senior","employment_type":null,"work_mode":"hybrid","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Kaunas, Lithuania","Vilnius, Lithuania"],"countries":["LT"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":{"min_usd":47000,"max_usd":104000,"period":"year","method":"role_seniority_country_remote_cell","sample_n":41},"experience_years_min":null,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"AI Agents","optional":false},{"name":"AWS","optional":false},{"name":"BigQuery","optional":false},{"name":"GitHub","optional":false},{"name":"Go","optional":false},{"name":"Google BigQuery","optional":false},{"name":"Kubernetes","optional":false},{"name":"Least Privilege","optional":false},{"name":"LLM","optional":false},{"name":"Model Context Protocol","optional":false},{"name":"Okta","optional":false},{"name":"Python","optional":false},{"name":"Ruby","optional":false},{"name":"Rust","optional":false},{"name":"Slack","optional":false}],"status":"live","first_seen_at":"2026-10-09T13:42:30Z","employer_posted_date":"2026-10-12","last_verified_at":"2026-10-15T00:29:46Z","board_verified":true,"closed_at":null,"days_open":5,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":5},"description":"Brief info about Vinted \nOur mission is to make second-hand the first choice, and we're looking for people who want to help us get there. Every day, we work together to help our members buy and sell pre-loved clothing and lifestyle items, giving each piece a second life - or even a third.\nThe Vinted Group is made up of three business units that support this mission:\nVinted Marketplace is Europe’s leading platform for second-hand fashion and a go-to destination for all kinds of pre-loved items, with a growing range of categories. Our platform connects millions of members across 20+ markets, helping great items find a new life.\nVinted Go enhances the shipping experience with a vast network of over 500,000 pick-up and drop-off points, partnering with more than 60 carriers across Europe, with added services like item verification for peace of mind on high-value pieces.\nVinted Pay is the newest part of the Vinted Group, dedicated to bringing secure, reliable payments to buyers and sellers across Europe. Seamlessly integrated into the Vinted app, it helps keep every transaction safe, efficient, and easy for our members.\nFounded in 2008 in Lithuania, Vinted began as a way for friends to find new homes for clothes they no longer needed. In 2019, we became Lithuania's first unicorn! Today, our headquarters remain in Vilnius, and we've grown with offices across Europe, supported by a team of over 2,000 people. \nInformation about the position \nWe’re hiring a Senior Backend Engineer II for the Agent Platform team at Vinted. Agent Platform (formerly V-Assist) is Vinted’s internal AI agent platform. Employees use it to find information, navigate internal systems and build their own agents that take on real work. It’s becoming the backbone of Vinted’s AI adoption strategy, from engineering productivity to data discoverability and back-office operations.\nAs a Senior Backend Engineer II, you’ll own the platform’s most complex problems end to end, from agent identity and permissions to sandboxed execution and agent memory, and help shape the team’s roadmap.\nThink you’re up to the challenge? Read on.\nIn this position, you’ll \nDesign and build the backend runtime behind Vinted’s agent platform on Kubernetes and AWS.\nBuild the primitives agents run on: isolated sandboxes, coding harnesses, multi-step agent workflows, agent memory, and managing agents and skills at runtime.\nGive agents safe access to internal systems: agent identity and delegated user access built on Okta, MCP integrations with BigQuery, GitHub, Slack, Atlassian and other tools.\nDevelop self-service capabilities so teams can create and run their own agents.\nLead technical initiatives from idea to production: write and drive RFCs, make architecture decisions, and keep what you deliver reliable and observable once it’s live.\nRaise the bar for engineering and agentic development by mentoring engineers in the team and beyond.\nParticipate in the on-duty rotation supporting our internal users, currently once every six weeks.\nAbout you \nProficient in backend engineering and system design, preferably with Python, Ruby, Go, or Rust.\nDemonstrated experience in designing, building, and scaling backend systems or internal platforms for multiple teams.\nThorough understanding of distributed systems, concurrency, and the underlying infrastructure.\nPragmatic architect focused on scalability and extensibility from the outset, with a keen sense of when to incur technical debt.\nSecurity-conscious: prioritize authentication, authorization, least-privilege access, and auditing in your designs.\nFrequent user of AI coding tools, actively supporting others in maximizing their use.\nEffective communicator, capable of articulating technical trade-offs to both engineers and non-technical stakeholders.\nPreferred: experience with running LLM platforms in production (agent development, MCP integrations, retrieval, evaluations).\nBonus: familiarity with AWS, Kubernetes, or similar infrastructure.\nWork perks \nThe opportunity to benefit from our share options programme\n25 working days of holiday\nNewest MacBook models\nFree access to an office gym\nDigital mental and emotional health support and Employee Assistant Program (EAP)\nHome office support: we provide IT workstation equipment and a personal budget of up to €540 for home workplace furniture\nPrivate health insurance\nOn-site canteen serving delicious homemade food at friendly prices\nFrequent team-building events\nA personal monthly budget for shopping on Vinted\nThe opportunity to spend up to 90 days per year - 21 of which can be spent working outside of the EU - on workation\nA dog-friendly office\nWorking at Vinted \nIndividual Learning Budget\nWe invest in your professional growth! As part of our commitment to continuous learning, we offer an annual learning budget to support your personal and career development through courses, certifications, workshops and more.\nHybrid Work \nWe’ve adopted a hybrid workplace model where 2 days in office are recommended but not enforced. It’s up to you and your team to decide on the exact days you’ll spend working together in person.\nEqual Opportunity\nThe Vinted Group is committed to building an inclusive workplace where people from all walks of life feel a sense of belonging. We welcome applications from people of all backgrounds, identities and life experiences. At Vinted, all applicants are treated fairly without regard to their race, age, religion or belief, sex, national origin, citizenship, gender identity, sexual orientation, disability, or any other protected characteristic.\nThe gross monthly salary range for this position is:\n€6.900—€9.333 EUR","description_format":"text","description_chars":5651,"description_truncated":false,"requirements":{"experience_years_min":null,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":null,"security_clearance":false,"languages":[]},"benefits":["Apple Macbook","Continuous learning","Health insurance","Home office","Hybrid work","Stock options"],"hiring_locations":[{"name":"Lithuania","iso":"LT","kind":"country"}],"hiring_excludes":[],"relocation_offered":false,"industries":["Marketplaces","Apparel & Fashion Brands"],"lifecycle":[{"event":"open","at":"2026-10-13T01:24:02Z"}],"visa":[],"liveness":{"score":51,"band":"ok","label":"Likely open","p_open":1,"p_active":0.57,"p_room":0.9,"age_days":4,"expected_fill_days":12,"reasons":["conf:0","stale_co","win:mid","comp:brand"],"computed_at":"2026-10-14T06:34:16Z"},"pay":null,"html_url":"https://alion.io/job/vinted-senior-backend-engineer-ii-agent-platform","json_url":"https://alion.io/job/vinted-senior-backend-engineer-ii-agent-platform.json","meta":{"generated_at":"2026-10-15T02:21:44Z","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":3349,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-10-16T00:00:00Z"}},"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":56356},"rest":"https://alion.io/mcp/rest/get_company?id=56356"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Fvinted-senior-backend-engineer-ii-agent-platform"},{"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%2Fvinted-senior-backend-engineer-ii-agent-platform"},{"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%2Fvinted-senior-backend-engineer-ii-agent-platform"},{"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/vinted-senior-backend-engineer-ii-agent-platform\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Fvinted-senior-backend-engineer-ii-agent-platform"}]}