{"id":154774,"url":"https://alion.io/job/dentsu-aegis-network-senior-backend-engineer","title":"Senior Backend Engineer","company":{"id":888,"name":"dentsu","domain":"dentsu.com","url":"https://alion.io/company/dentsu-polska","size_band":"5000+","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Workday","truth_index":{"grade":"B","score":79,"open_postings":140,"ghost_share":0.007,"stale_share":0.8,"repost_share":0.029,"time_to_fill_p50_days":29,"computed_at":"2026-10-22T06:10:10Z"}},"role":"Backend","role_family":"Backend","seniority":"senior","employment_type":"full_time","work_mode":"hybrid","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Zurich, Switzerland","Switzerland"],"countries":["CH"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":{"min_usd":86000,"max_usd":168000,"period":"year","method":"role_seniority_country_remote_cell","sample_n":16},"experience_years_min":5,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"Apache Kafka","optional":false},{"name":"CI/CD","optional":false},{"name":"Git","optional":false},{"name":"HikariCP","optional":false},{"name":"Kotlin","optional":false},{"name":"Kubernetes","optional":false},{"name":"MySQL","optional":false},{"name":"OpenShift","optional":false},{"name":"PostgreSQL","optional":false},{"name":"Spring Boot","optional":false},{"name":"Spring MVC","optional":false},{"name":"Flyway","optional":true},{"name":"Java","optional":true},{"name":"Liquibase","optional":true},{"name":"Spring Cloud","optional":true}],"status":"live","first_seen_at":"2026-04-27T00:00:00Z","employer_posted_date":"2026-04-27","last_verified_at":"2026-10-23T01:40:30Z","board_verified":true,"closed_at":null,"days_open":179,"trust":{"level":"stale","repost_count":0,"flags":["stale"],"days_open":178},"description":"Job Description:\nCompany Description\nWe Dream. We Do. We Deliver.\nAt Merkle, a dentsu company, we power the experience economy. Whether we’re building the next great app, running CRM at scale for global brands, delivering technology architectures that support millions of users, or providing world-class data, identity, and insights solutions, it’s all in the name of crafting experiences that set brands apart from the competition. Backed by dentsu's legacy of innovation and creativity originating in Japan, we’ve spent over 35 years helping brands build loyalty, drive growth, and connect meaningfully with their audiences. \nWe’ve been named a global “Leader” by top industry analyst firms in categories as wide-ranging as digital transformation and commerce, experience design, engineering and technology integration, digital marketing, data science, CRM and loyalty, and customer data management.\n About the role\nWe are looking for a Senior Backend Engineer to strengthen the service layer of an e-banking platform. You will design, build, and operate highly reliable, secure microservices written in Kotlin with Spring Boot, integrated via Apache Kafka event streams, and deployed on Red Hat OpenShift. Kotlin is a core requirement as you will work in close collaboration with the mobile engineering team. This is a hands-on role with broad scope: you will own services end-to-end from API contract design through to production observability, influence platform-wide architectural decisions, and act as a technical reference for your squad and the wider backend chapter.\nResponsibilities:\nDesign, develop, and maintain secure, scalable backend services and APIs using Kotlin and Spring Boot.\n\nBuild and operate event-driven integrations via Apache Kafka including producers, consumers, Kafka Streams, and Avro schemas with exactly-once semantics.\n\nOwn data models, query optimisation, and schema migrations across PostgreSQL and MySQL.\n\nIntegrate services with observability, CI/CD, and DevOps tooling; support deployment and monitoring on OpenShift/Kubernetes.\n\nApply security best practices in the realms of OAuth2/OIDC, authentication, authorisation, and encryption.\n\nConduct code reviews, uphold engineering standards, and mentor junior engineers.\n\nProduce high-quality technical documentation covering design, implementation, and API contracts.\n\nRequired qualifications:\n5+ years of professional backend engineering experience.\n\nProficiency in Kotlin.\n\nStrong hands-on experience with Spring Boot (Spring MVC, Security, Data JPA, Cloud, Actuator).\n\nSolid Apache Kafka experience including Kafka Streams, Schema Registry, and exactly-once semantics.\n\nProficiency with PostgreSQL and MySQL: data modelling, query plans, replication, and working with connection pools (HikariCP).\n\nPractical experience with Kubernetes or OpenShift.\n\nSound understanding of distributed systems, microservices architecture, and design patterns.\n\nFamiliarity with OAuth2/OIDC and backend security fundamentals.\n\nProficiency with Git and CI/CD practices.\n\nGerman B2+, primary language for team communication, documentation, and stakeholder interaction.\n\nEnglish business proficient, used for technical standards and international tooling.\n\nNice to have:\nBachelor's degree in computer science, information technology, or equivalent experience.\n\nPrior experience in regulated industries such as banking or fintech.\n\nFamiliarity with Spring Cloud and distributed tracing tools.\n\nExperience with database migration tooling such as Flyway or Liquibase.\n\nFrench or Italian, advantageous given the multilingual nature of the Swiss platform.\n\nBenefits:\nThese are some of the things we offer:\n25 days of holidays\n\n2 volunteer days for charitable activities\n\nMental Health: Benefit from 3 extra wellness days on top of your vacation days and a Mental Health\n\nFirst Aider and Employee Assisstance program to support your well-being\n\n40-hour week & overtime compensation\n\nFlexible working hours model (flextime)\n\nIndependent home office management\n\nState-of-the-art, creative office space with ergonomically equipped workstations\n\nPet friendly offices\n\nFull access to Dentsu Academy, on-site learning sessions, online language courses\n\nLearning Allowance: Receive 40 additional hours per year for personal and professional development, on top of statutory educational leave\n\nCorporate benefits platform\n\nReferral bonus program\n\nWorkation possibility\n\nTeam events: company parties, monthly breakfasts, aperos\n\n*At dentsu, Diversity, Equity, and Inclusion (DEI) is central to our vision: \"To be at the forefront of people-centered transformations that shape society.\"\nWe cherish the unique talents and perspectives of all individuals, welcoming applicants regardless of gender, gender identity, nationality, religion, ethnicity, cultural background, sexual orientation, age, physical or mental ability. By embracing diverse perspectives, we create meaningful change and sustainable growth for our people, clients, and society. Our hiring decisions are guided by qualifications and role-specific requirements, ensuring a workplace free from discrimination and harassment\n#LI-Hybrid #LI-MERKLE\nLocation:\nZürichBrand:\nMerkleTime Type:\nFull timeContract Type:\nPermanent","description_format":"text","description_chars":5238,"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":"German","level":"Upper-Intermediate (B2)","optional":false},{"language":"English","level":"All levels","optional":false}]},"benefits":["Equity","Flexible schedule","Home office","Pet friendly","Professional development"],"hiring_locations":[{"name":"Switzerland","iso":"CH","kind":"country"}],"hiring_excludes":[],"relocation_offered":false,"industries":["Commerce"],"lifecycle":[{"event":"open","at":"2026-04-27T00:00:00Z"}],"visa":[],"liveness":{"score":6,"band":"cold","label":"Long shot","p_open":1,"p_active":0.224,"p_room":0.28,"age_days":178,"expected_fill_days":29,"reasons":["conf:3","stale_co","velocity","win:tail","crowd:brand"],"computed_at":"2026-10-22T06:10:10Z"},"pay":null,"html_url":"https://alion.io/job/dentsu-aegis-network-senior-backend-engineer","json_url":"https://alion.io/job/dentsu-aegis-network-senior-backend-engineer.json","meta":{"generated_at":"2026-10-23T02:50:20Z","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":4684,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-10-24T00:00:00Z"}},"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":888},"rest":"https://alion.io/mcp/rest/get_company?id=888"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Fdentsu-aegis-network-senior-backend-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%2Fdentsu-aegis-network-senior-backend-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%2Fdentsu-aegis-network-senior-backend-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/dentsu-aegis-network-senior-backend-engineer\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Fdentsu-aegis-network-senior-backend-engineer"}]}