{"id":3820947,"url":"https://alion.io/job/stroeer-senior-backend-engineer-go-mfd","title":"Senior Backend Engineer (GO) (m/f/d)","company":{"id":6051,"name":"Ströer","domain":"stroeer.de","url":"https://alion.io/company/stroeer","size_band":"1001-5000","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"SmartRecruiters","truth_index":{"grade":"B","score":77,"open_postings":46,"ghost_share":0,"stale_share":0.935,"repost_share":0,"time_to_fill_p50_days":38,"computed_at":"2026-11-06T05:58:05Z"}},"role":"Backend","role_family":"Backend","seniority":"senior","employment_type":"full_time","work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Hamburg, Germany"],"countries":["DE"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":null,"experience_years_min":null,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"Apache Kafka","optional":false},{"name":"CI/CD","optional":false},{"name":"ClickHouse","optional":false},{"name":"Go","optional":false},{"name":"Linux","optional":false},{"name":"MySQL","optional":false},{"name":"Redis","optional":false},{"name":"Rust","optional":false},{"name":"SQL","optional":false}],"status":"live","first_seen_at":"2026-11-05T17:07:29Z","employer_posted_date":"2026-11-05","last_verified_at":"2026-11-07T01:20:18Z","board_verified":true,"closed_at":null,"days_open":1,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":1},"description":"For our office in Hamburg we are looking for a Senior Backend Engineer (m/f/d) with Go as their main language.\nCONTENT FLEET is a digital content marketing agency based in Hamburg and Cologne. We have more than 200 fleet members and all of them are individual, creative people. With a heart, mind and soft spot for everything digital, we create inspiring content for our users and thus achieve maximum added value for our customers.\nIt is important to us that you complement our team with your personality and your ideas. All content is unique. So are you.\nBecome a part of our fleet and revolutionize content performance marketing with us!\n YOUR ROLE\nDesign, build and run backend services in Go, from concept through to production and beyond\nShape the architecture of our content platforms and our ad tech stack, with a focus on performance, reliability, security and simplicity\nWork on high-traffic systems and large data volumes, from real-time event streams to analytical reporting over billions of records\nBuild services that are secure by default: authentication, access control, user data protection and compliance with privacy requirements\nMove remaining legacy services to Go and help keep our codebase lean\nTake ownership of key technical topics and drive decisions together with the team\nReview code, mentor other engineers and help set technical standards\n YOUR SKILLS\nSeveral years of professional backend development, with Go as your main language\nSolid experience with SQL and relational databases (we mainly use MySQL), including query optimization\nHands-on experience with several parts of our data stack: MongoDB, ClickHouse, Kafka, Redis\nExperience building and maintaining CI/CD pipelines, including automated testing and deployments\nExperience with Linux and running services in production: monitoring, debugging, performance tuning\nA strong grasp of concurrency, distributed systems and designing for scale\nSolid understanding of application security: common vulnerabilities, authentication and authorization, secure handling of secrets and personal data\nA preference for simple, explicit code over heavy frameworks and deep abstractions\nExperience with Rust is a plus\nGood knowledge of English and/or German\n WHAT WE OFFER\nAs part of the Ströer Digital Group, we combine the benefits of a large corporation with those of an agency environment:\nCreative and independent tasks in a rapidly growing, innovative company\nDiverse and challenging projects\nA great working environment as part of a highly motivated, international and competent team\nAn open company culture where your talent and personality have room to shine. In other words: no sharp elbows, please! We'd rather work together to make projects happen\nWe want you to stay: Whether full-time or part-time, we offer permanent contracts and opportunities for professional development\nFamily, friends and hobbies? There should be time for all of them. That's why we offer a good work-life balance and flexible working hours\nContributions towards the Deutschlandticket and company pension scheme\nVarious employee discounts and attractive offers (JobRad, etc.)\nA ping-pong table and a billiard table","description_format":"text","description_chars":3175,"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":"German","level":"All levels","optional":false},{"language":"English","level":"All levels","optional":false}]},"benefits":["Flexible schedule","Professional development"],"hiring_locations":[],"hiring_excludes":[],"relocation_offered":false,"industries":["Advertising","Digital Media"],"lifecycle":[{"event":"open","at":"2026-11-05T17:20:36Z"}],"visa":[],"liveness":{"score":63,"band":"ok","label":"Likely open","p_open":1,"p_active":0.632,"p_room":1,"age_days":0,"expected_fill_days":38,"reasons":["conf:3","stale_co","velocity","win:early","comp:brand"],"computed_at":"2026-11-06T05:58:05Z"},"pay":null,"html_url":"https://alion.io/job/stroeer-senior-backend-engineer-go-mfd","json_url":"https://alion.io/job/stroeer-senior-backend-engineer-go-mfd.json","meta":{"generated_at":"2026-11-07T01:45:48Z","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":4295,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-11-08T00:00:00Z"}},"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":6051},"rest":"https://alion.io/mcp/rest/get_company?id=6051"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Fstroeer-senior-backend-engineer-go-mfd"},{"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%2Fstroeer-senior-backend-engineer-go-mfd"},{"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%2Fstroeer-senior-backend-engineer-go-mfd"},{"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/stroeer-senior-backend-engineer-go-mfd\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Fstroeer-senior-backend-engineer-go-mfd"}],"agent":{"mcp":"https://alion.io/mcp/jobs","mcp_open":"https://alion.io/mcp/open","next":[{"tool":"get_job","arguments":{"id":3820947}},{"tool":"search_jobs","arguments":{"company":"stroeer.de","detail":"compact"}},{"tool":"match_people","arguments":{"job_id":3820947},"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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