{"id":3874589,"url":"https://alion.io/job/mongodb-senior-software-engineer-cluster-to-cluster-synchronization-migration-tooling","title":"Senior Software Engineer, Cluster to Cluster Synchronization, Migration Tooling","company":{"id":4211,"name":"MongoDB","domain":"mongodb.com","url":"https://alion.io/company/mongodb","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":79,"open_postings":88,"ghost_share":0,"stale_share":0.659,"repost_share":0,"time_to_fill_p50_days":69,"computed_at":"2026-11-09T06:03:00Z"}},"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":["Dublin, Ireland"],"countries":["IE"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":null,"experience_years_min":5,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"AWS","optional":false},{"name":"Azure","optional":false},{"name":"GCP","optional":false}],"status":"live","first_seen_at":"2026-11-06T13:59:03Z","employer_posted_date":"2026-11-06","last_verified_at":"2026-11-09T05:39:44Z","board_verified":true,"closed_at":null,"days_open":2,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":2},"description":"The Cluster to Cluster Synchronization team is working to make migrations, backups, and disaster recovery of MongoDB clusters easy and reliable. Our main focus is mongosync, a tool to synchronize two MongoDB clusters. This tool is a top priority for the company, and is used to migrate customers from on-prem MongoDB to MongoDB's cloud service, MongoDB Atlas.\nOur team champions a strong culture of inclusivity and collaboration. If you want to work on a collaborative team that’s creating a high-performance distributed service for syncing databases, this is the team for you! \nWe are looking to speak to candidates who are based in Dublin for our hybrid working model.\nResponsibilities\nBuild mongosync, a database migration and syncing tool. This tool is heavily used by MongoDB Atlas (our Database-as-a-Service), as well as by on-prem customers\nDevelop the MongoDB Database Tools, a set of CLI utilities for working with a MongoDB deployment. It includes tools for importing, exporting, and diagnostics\nWork closely with product, support, and engineers across the organization to collectively build features that our customers love\nMentor and contribute to the growth of team members\nCandidate Profile\n5+ years of hands-on experience designing, building, testing, and maintaining industrial-strength software\nExperience with building databases or core components for data processing systems\nExperience with distributed systems such as data replication, distributed transactions, scalability, and fault tolerance\nExperience in at least one compiled language, and interest in working with Go\nExcellent verbal and written technical communication skills and a desire to collaborate with colleagues and mentor junior engineers\nCuriosity, willingness, and ability to quickly learn new things in the domains of computer science and software engineering\nSuccess Measures\nIn three months you’ll have learned about how MongoDB and mongosync works. You’ll have contributed to an ongoing project and fixed a few bugs in existing code\nIn six months, you’ll be reviewing code and new feature designs. You're involved in the design and implementation of a major project, and leading development of smaller features\nIn twelve months, you’re leading the design and development of major new features and are helping to mentor new engineers on the team. You have strong familiarity with the products the team owns and are able to work across the codebase\nAbout MongoDB\nMongoDB is built for change, empowering our customers and our people to innovate at the speed of the market. We have redefined the data platform for the AI era, enabling builders to create, transform, and disrupt industries with software. MongoDB’s unified data platform, the most widely available, globally distributed data platform on the market, helps organizations modernize legacy workloads, embrace innovation, and unleash AI. Our cloud-native platform, MongoDB Atlas, is the only globally distributed, multi-cloud data platform and is available across AWS, Google Cloud, and Microsoft Azure.\nWith offices worldwide and over 67,000 customers, including AI-native startups and approximately 75% of the Fortune 100, relying on MongoDB for their most important applications, we’re powering the next era of software.\nOur compass at MongoDB is our Leadership Commitment, guiding how and why we make decisions, show up for each other, and win. It’s what makes us MongoDB. \nTo drive the personal growth and business impact of our employees, we’re committed to developing a supportive and enriching culture for everyone. From employee affinity groups, to fertility assistance and a generous parental leave policy, we value our employees’ wellbeing and want to support them along every step of their professional and personal journeys. Learn more about what it’s like to work at MongoDB, and help us make an impact on the world!\nMongoDB is committed to providing any necessary accommodations for individuals with disabilities within our application and interview process. To request an accommodation due to a disability, please inform your recruiter.\nMongoDB is an equal opportunities employer.\nReq ID: 4273608805","description_format":"text","description_chars":4163,"description_truncated":false,"requirements":{"experience_years_min":5,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":null,"security_clearance":false,"languages":[]},"benefits":["Hybrid work","Parental leave"],"hiring_locations":[{"name":"Ireland","iso":"IE","kind":"country"}],"hiring_excludes":[],"relocation_offered":false,"industries":["Databases & DBMS","Vector Search & RAG"],"lifecycle":[{"event":"open","at":"2026-11-06T15:45:12Z"}],"visa":[{"country":"IE","licensed_sponsor":true,"adverts_offering_sponsorship_24m":0,"sanctioned_now":false,"evidence":"Irish employment permits in 12 months: 45","filings_12m":45,"filings_prev_12m":6,"green_card_filings_12m":null,"median_offered_wage_usd":null,"route":"Employment permits","cap_exempt":false,"checked_at":"2026-11-09T07:32:21+00:00","sources":["Department of Enterprise, Trade and Employment: employment permits issued to companies"],"filings_for_role_12m":0}],"liveness":{"score":63,"band":"ok","label":"Likely open","p_open":1,"p_active":0.632,"p_room":1,"age_days":2,"expected_fill_days":69,"reasons":["conf:0","stale_co","velocity","win:early","comp:brand"],"computed_at":"2026-11-09T06:03:00Z"},"pay":null,"html_url":"https://alion.io/job/mongodb-senior-software-engineer-cluster-to-cluster-synchronization-migration-tooling","json_url":"https://alion.io/job/mongodb-senior-software-engineer-cluster-to-cluster-synchronization-migration-tooling.json","meta":{"generated_at":"2026-11-09T10:12:15Z","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":10603,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-11-10T00:00:00Z"}},"offers":[{"id":"company.slices","title":"One company in depth, by slice","status":"live","price":{"credits":0.1,"usd":0.01,"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":4211},"rest":"https://alion.io/mcp/rest/get_company?id=4211"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Fmongodb-senior-software-engineer-cluster-to-cluster-synchronization-migration-tooling"},{"id":"market.stats","title":"A market slice: pay, demand and time to fill","status":"live","price":{"credits":2,"usd":0.2},"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%2Fmongodb-senior-software-engineer-cluster-to-cluster-synchronization-migration-tooling"},{"id":"job.search","title":"Open jobs by role, technology, place, pay and visa","status":"live","price":{"credits":0.1,"usd":0.01},"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%2Fmongodb-senior-software-engineer-cluster-to-cluster-synchronization-migration-tooling"},{"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/mongodb-senior-software-engineer-cluster-to-cluster-synchronization-migration-tooling\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Fmongodb-senior-software-engineer-cluster-to-cluster-synchronization-migration-tooling"}],"agent":{"mcp":"https://alion.io/mcp/jobs","mcp_open":"https://alion.io/mcp/open","next":[{"tool":"get_job","arguments":{"id":3874589}},{"tool":"search_jobs","arguments":{"company":"mongodb.com","detail":"compact"}},{"tool":"match_people","arguments":{"job_id":3874589},"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"}}