{"id":3552390,"url":"https://alion.io/job/sumsub-senior-backend-developer","title":"Senior Backend Developer","company":{"id":63406,"name":"Sumsub","domain":"sumsub.com","url":"https://alion.io/company/sumsub","size_band":"501-1000","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Teamtailor","truth_index":{"grade":"B","score":81,"open_postings":7,"ghost_share":0,"stale_share":0.571,"repost_share":0,"time_to_fill_p50_days":62,"computed_at":"2026-11-06T05:58:05Z"}},"role":"Backend","role_family":"Backend","seniority":"senior","employment_type":"full_time","work_mode":"remote","remote_scope":"stated_countries","remote_scope_basis":"board_field","remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Limassol, Cyprus"],"countries":["CY"],"hiring_countries":["CY"],"hiring_countries_total":1,"salary":null,"salary_estimate":null,"experience_years_min":null,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"A/B Testing","optional":false},{"name":"CI/CD","optional":false},{"name":"Slack","optional":false},{"name":"Airflow","optional":true},{"name":"Apache Kafka","optional":true},{"name":"ClickHouse","optional":true},{"name":"ElasticSearch","optional":true},{"name":"Java","optional":true},{"name":"OpenSearch","optional":true},{"name":"Redis","optional":true}],"status":"live","first_seen_at":"2026-10-30T16:25:33Z","employer_posted_date":"2026-10-30","last_verified_at":"2026-11-06T12:34:27Z","board_verified":true,"closed_at":null,"days_open":7,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":7},"description":"Sumsub is the first AI-powered trust infrastructure for compliance operations at scale. It connects identity and business verification, fraud prevention, transaction monitoring, and risk workflows, helping teams reduce manual work and enter new markets.\nTrusted by over 4,000 clients across financial services, crypto, mobility, trading, marketplaces, education, and iGaming, including Bybit, Bitpanda, Wirex, Avis, Vodafone, Duolingo, and Kaizen Gaming.\nSumsub is recognized as a Great Place To Work® in the US and rated 4.5 out of 5 on Glassdoor. Our 1,000+ people around the world back it up, too: 92% are proud to be Sumsubers, and 90% say their work is interesting and challenging.\nNow we are looking for a Senior Backend Developer to join our rapidly growing team. This is an amazing opportunity to join Sumsub and make an immediate and real impact on the future of our product.\nOur Stack:\nMain language: Java 17\n\nJava Framework: Dropwizard / Restler\n\nDB: MongoDB / ClickHouse / Redis\n\nOthers: Apache Kafka / Kafka Streams / Elasticsearch / OpenSearch (k-NN) / Airflow\n\nWhat You Will Be Doing:\nDevelopment of data processing algorithms related to remote identification / authentication of individuals (both product and technical).\n\nImprovement and development from scratch of internal tools for compliance officers.\n\nTest driven development and A/B testing.\n\nOptimization and automation of CI/CD pipelines to increase reliability and deployment speed.\n\nMonitoring, troubleshooting, and performance tuning of cloud infrastructure and distributed systems.\n\nAbout You:\nGood command of the English language\n\nFamiliarity with our development stack\n\nUnderstanding of product and a passion for building software that provides a great experience\n\nExperience developing clean, high-quality code and automated tests to verify its operation\n\nTeam player, strong communication skills, and empathy\n\nDemonstrated strong analytical and problem-solving skills\n\nWhat We Offer:\nRemote-first, trust-based culture. Work from the place that works best for you. No mandatory office days, no attendance trackers. In some locations, we provide offices or coworking spaces, but the choice is yours.\n\nTrue flexibility. We do not fix you to a 9-to-5 schedule. You can adjust your working hours when needed, as long as your day stays productive and in sync with the team.\n\nExtra time off. Your birthday is a holiday here. Add to that 10 personal days each year, seven sick days without paperwork, and extra time to enjoy Christmas and New Year. Time to rest is part of the deal.\n\nWork that matters. Our mission is to build a digital world that is secure, accessible and inclusive for everyone. From fighting fraud to making online services easier and safer to use, your work will have a real impact on how people experience trust online.\n\nCompensation. We offer fair and transparent pay, benchmarked to the market.\n\nTruly global. We work across continents and time zones, with teammates and customers from all over the world. You will run campaigns that cross borders, cultures, and languages, and see your ideas land worldwide.\n\nGrowth built in. Clear goals, open feedback and personal development plans. We support your progress with learning opportunities and by covering role-specific events, from design conferences to marketing forums.\n\nCelebrating your big moments. We are proud to support you through life’s biggest journeys with dedicated financial bonuses for both marriage and welcoming a new baby to your family.\n\nTeam offsites. Sometimes just Slack is not enough. That is why we meet in person a few times a year. Trips are fully covered, so you can meet, collaborate, and recharge together.\n\nGetting you set up. We make sure you have access to the tools and hardware you need to do your work well.\n\nFriendly by design. Our logo is a dog for a reason. We keep things human, open and kind. We welcome individuality, quirks and different perspectives, because that is what makes our work smarter and more fun.\n\nThe hiring stages: TA screening -> Hiring Manager Interview -> Assignment -> Final Interview.\nSounds like a great opportunity for your career development? Then go ahead and apply!\nWe are a global community of innovators, creators, and thinkers, and we believe that diversity fuels our innovation. Sumsub is proud to be an equal opportunity employer, committed to building a diverse and inclusive workforce. We welcome applications from people of all backgrounds, cultures, genders, experiences, abilities and perspectives. Join us in shaping the future inclusively.\nWe believe in fair and transparent compensation. Salaries vary depending on work location and applicable local market conditions.\nThis role is open to candidates in multiple countries, and compensation differs based on the candidate’s confirmed work location. For this reason, a single universal salary range is not included in this job posting.\nThe applicable work location will be confirmed early in the recruitment process, and the relevant compensation information for that location will be shared in writing, in line with local requirements.","description_format":"text","description_chars":5112,"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":[{"language":"English","level":"All levels","optional":false}]},"benefits":[],"hiring_locations":[{"name":"Cyprus","iso":"CY","kind":"country"}],"hiring_excludes":[],"relocation_offered":false,"industries":[],"lifecycle":[{"event":"open","at":"2026-10-30T23:13:06Z"}],"visa":[],"liveness":{"score":90,"band":"hot","label":"Hiring now","p_open":1,"p_active":0.903,"p_room":1,"age_days":6,"expected_fill_days":62,"reasons":["conf:9","velocity","win:early"],"computed_at":"2026-11-06T05:58:05Z"},"pay":null,"html_url":"https://alion.io/job/sumsub-senior-backend-developer","json_url":"https://alion.io/job/sumsub-senior-backend-developer.json","meta":{"generated_at":"2026-11-06T19:30:02Z","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":2884,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-11-07T00:00:00Z"}},"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":63406},"rest":"https://alion.io/mcp/rest/get_company?id=63406"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Fsumsub-senior-backend-developer"},{"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%2Fsumsub-senior-backend-developer"},{"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%2Fsumsub-senior-backend-developer"},{"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/sumsub-senior-backend-developer\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Fsumsub-senior-backend-developer"}],"agent":{"mcp":"https://alion.io/mcp/jobs","mcp_open":"https://alion.io/mcp/open","next":[{"tool":"get_job","arguments":{"id":3552390}},{"tool":"search_jobs","arguments":{"company":"sumsub.com","detail":"compact"}},{"tool":"match_people","arguments":{"job_id":3552390},"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. Docs: https://alion.io/developers"}}