{"id":959395,"url":"https://alion.io/job/ing-group-blockchain-engineer","title":"Blockchain Engineer","company":{"id":3744,"name":"ING Group","domain":"ing.com","url":"https://alion.io/company/ing","size_band":"5000+","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Workday","truth_index":{"grade":"B","score":80,"open_postings":102,"ghost_share":0.01,"stale_share":0.745,"repost_share":0.029,"time_to_fill_p50_days":29,"computed_at":"2026-11-04T06:34:25Z"}},"role":"Web3","role_family":"Web3","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":["Istanbul, Turkey"],"countries":["TR"],"hiring_countries":["TR"],"hiring_countries_total":1,"salary":null,"salary_estimate":{"min_usd":91000,"max_usd":160000,"period":"year","method":"global_role_cell_scaled_by_country","sample_n":37},"experience_years_min":5,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"Agile","optional":false},{"name":"Apache Kafka","optional":false},{"name":"CI/CD","optional":false},{"name":"Docker","optional":false},{"name":"Git","optional":false},{"name":"Java","optional":false},{"name":"Kotlin","optional":false},{"name":"Kubernetes","optional":false},{"name":"RabbitMQ","optional":false},{"name":"Rest API","optional":false},{"name":"Smart Contracts","optional":false},{"name":"Spring Boot","optional":false},{"name":"SQL","optional":false}],"status":"live","first_seen_at":"2026-09-16T08:22:03Z","employer_posted_date":"2026-09-21","last_verified_at":"2026-11-04T01:45:43Z","board_verified":true,"closed_at":null,"days_open":48,"trust":{"level":"ok","repost_count":1,"flags":[],"days_open":48},"description":"Design the future architecture of one of Europe's most innovative banking networks while empowering engineers to do their best work.\nRole Summary\nWe are looking for aBlockchain Engineer to join ING's Digital Asset Services (DAS) organization and help build the next generation of digital asset capabilities.\nThis role combines strong backend engineering expertise with practical knowledge of blockchain technologies. The successful candidate will design and develop scalable services supporting wallet management, digital asset operations, custody workflows, and integrations with external blockchain networks and custody platforms.\nThe ideal candidate is fundamentally a strong Java engineer who understands blockchain concepts and can bridge traditional banking systems with emerging digital asset ecosystems.\nWork Model\nAt ING Hubs Türkiye, flexibility is more than a benefit-it's part of how we work.\nOur hybrid way of working is designed to balance collaboration, innovation, and personal flexibility. Team members typically come together at our Vadistanbul office for two days per week during three weeks of the month, while one week each month is fully remote.\nWe also provide additional flexibility throughout August with remote working opportunities, allowing colleagues to remain productive while staying connected with their teams.\nAs part of a globally distributed organization, you'll collaborate with colleagues across multiple ING locations and contribute to solutions used across the bank.\nAbout the Team\nYou will join an international technology organization where ownership, knowledge sharing, collaboration, and engineering excellence are at the heart of everything we do.\nOur teams design and deliver critical technology platforms that support ING's digital transformation journey. We believe scalable architectures, strong engineering practices, automation, and continuous learning are essential for delivering reliable solutions at scale.\nAbout You\nMinimum Qualifications\n5+ years of experience in software engineering, solution design, or architecture roles\nStrong stakeholder management experience across business and technology domains\nExcellent communication and presentation skills\nStrong analytical and problem-solving capabilities\nExperience working in Agile organizations\nBachelor's degree in Computer Engineering, Software Engineering, or a related discipline\nFluent English communication skills (C1 level or above)\nTechnical Skills\nStrong experience in:\nJava (preferred)\nKotlin\nSpring Boot\nREST APIs\nMicroservices Architecture\nExperience with:\nEvent-driven architectures\nKafka\nRabbitMQ or similar messaging technologies\nSQL and NoSQL databases\nContainerization (Docker)\nKubernetes\nCI/CD pipelines\nGit-based development workflows\nGood understanding of:\nDistributed systems\nSystem integration\nAPI design\nScalability patterns\nRoles and Responsibilities\nBackend Engineering\nDesign and develop enterprise-grade backend services using Java. \nBuild APIs and microservices supporting digital asset products. \nDevelop scalable and resilient systems aligned with banking standards. \nEnsure high availability, security, performance, and maintainability. \nBlockchain Development\nImplement blockchain-related business logic and workflows. \nDevelop components supporting: \nSmart contract interactions \nMinting and burning processes \nAsset transfer flows \nWallet management capabilities \nIntegrate external blockchain networks into ING's digital asset ecosystem. \nPlatform Integration\nBuild integrations with digital asset custody and wallet providers. \nDevelop connectivity with blockchain infrastructure and third-party services. \nCollaborate on SaaS blockchain platform implementation initiatives. \nSecurity & Reliability\nFollow secure coding and software engineering best practices. \nParticipate in architecture reviews and technical design discussions. \nContribute to operational readiness and production support activities. \nSupport compliance, audit, and security requirements. \nCollaboration\nWork within cross-functional agile teams. \nPartner with Architects, DevOps Engineers, Security Specialists, Product Owners, and Blockchain Operations professionals. \nSupport technical mentoring and knowledge sharing across engineering teams. \nEqual Opportunity\nDon't meet every single requirement? Don't let that hold you back. Studies show many talented professionals hesitate to apply unless they meet every qualification. If you're excited about this role and believe you can make an impact, we'd love to hear from you.\nWhat We Offer at ING Hubs Türkiye\nAt ING Hubs Türkiye, we believe that your work should be fulfilling in every way. We pay attention to even the smallest details to ensure that your experience is rewarding.\nBe Yourself, Be an ING'er\nWelcome Leave: Enjoy 14 days of welcome leave, even in your first year\nSelf-driven career opportunities\nChallenging projects and continuous learning opportunities\nFlexible hybrid working model\nRemote working opportunities throughout August\nTraining budget and Udemy partnership\nGlobal mobility and international career opportunities\nComprehensive health insurance for you and your family\nPrivate Pension Plan\nMeal Card\nTransportation Allowance\nMultiSport Membership\nEnglish Language Development Support\nInnovation culture powered by PACE methodology\nRegular communication activities and celebrations\nAbout ING\nWith 65,000 employees and operations in approximately 40 countries, there is no shortage of opportunities for people with initiative who want to help people take a step ahead in life and in business.\nDo you want to work at the cutting edge of what's possible and at the same time ensure you work with integrity and hold the customer's interests at heart? Do you want to be surrounded by progressive, inspiring, diverse and supportive colleagues?\nThen there is no better place to invest your talents than at ING. Join us. Apply today.","description_format":"text","description_chars":5916,"description_truncated":false,"requirements":{"experience_years_min":5,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":{"level":"bachelor","optional":false},"security_clearance":false,"languages":[{"language":"English","level":"Advanced (C1)","optional":false}]},"benefits":["Continuous learning","Health insurance","Hybrid work"],"hiring_locations":[{"name":"Turkey","iso":"TR","kind":"country"}],"hiring_excludes":[],"relocation_offered":false,"industries":["Blockchain & Crypto","Commercial & Retail Banks","Investment Banking & M&A Advisory"],"lifecycle":[{"event":"open","at":"2026-09-16T08:22:03Z"},{"event":"close","at":"2026-09-16T12:55:34Z"},{"event":"reopen","at":"2026-09-21T13:41:09Z"}],"visa":[],"liveness":{"score":18,"band":"cold","label":"Long shot","p_open":1,"p_active":0.501,"p_room":0.36,"age_days":48,"expected_fill_days":29,"reasons":["conf:4","stale_co","velocity","win:tail","crowd:brand"],"computed_at":"2026-11-04T06:34:25Z"},"pay":null,"html_url":"https://alion.io/job/ing-group-blockchain-engineer","json_url":"https://alion.io/job/ing-group-blockchain-engineer.json","meta":{"generated_at":"2026-11-04T07:48:15Z","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":12202,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-11-05T00:00:00Z"}},"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":3744},"rest":"https://alion.io/mcp/rest/get_company?id=3744"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Fing-group-blockchain-engineer"},{"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%2Fing-group-blockchain-engineer"},{"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%2Fing-group-blockchain-engineer"},{"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/ing-group-blockchain-engineer\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Fing-group-blockchain-engineer"}],"agent":{"mcp":"https://alion.io/mcp/jobs","mcp_open":"https://alion.io/mcp/open","next":[{"tool":"get_job","arguments":{"id":959395}},{"tool":"search_jobs","arguments":{"company":"ing.com","detail":"compact"}},{"tool":"match_people","arguments":{"job_id":959395},"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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