{"id":443133,"url":"https://alion.io/job/masabi-principal-engineer-platform-data-3","title":"Principal Engineer - Platform & Data","company":{"id":172322,"name":"Masabi","domain":"masabi.com","url":"https://alion.io/company/masabi","size_band":"51-200","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Ashby","truth_index":{"grade":"A","score":95,"open_postings":11,"ghost_share":0,"stale_share":0,"repost_share":0,"time_to_fill_p50_days":63,"computed_at":"2026-10-24T06:02:35Z"}},"role":"Backend","role_family":"Backend","seniority":"lead","employment_type":"full_time","work_mode":"remote","remote_scope":"stated_countries","remote_scope_basis":"posting_text","remote_working_hours":null,"hiring_geo_confidence":"explicit","locations":[],"countries":[],"hiring_countries":["RO"],"hiring_countries_total":1,"salary":null,"salary_estimate":{"min_usd":30000,"max_usd":90000,"period":"year","method":"global_role_cell_scaled_by_country","sample_n":2085},"experience_years_min":null,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"AWS","optional":false},{"name":"Rest API","optional":false},{"name":"Apache Kafka","optional":true},{"name":"CI/CD","optional":true},{"name":"Databricks","optional":true},{"name":"DynamoDB","optional":true},{"name":"GitLab CI","optional":true},{"name":"Java","optional":true},{"name":"Kotlin","optional":true},{"name":"MySQL","optional":true},{"name":"Snowflake","optional":true},{"name":"Terraform","optional":true}],"status":"live","first_seen_at":"2026-06-04T15:27:53Z","employer_posted_date":"2026-06-04","last_verified_at":"2026-10-24T19:26:54Z","board_verified":true,"closed_at":null,"days_open":142,"trust":{"level":"ok","repost_count":0,"flags":["company_stale"],"days_open":141},"description":"About Us_\n// At Masabi, we’re driving the fare payment revolution, powering the journeys of millions all over the world. We build fare collection platforms that allow riders to seamlessly buy and present tickets for public transport either on their mobile phones, from a ticket machine, or even by tapping their bank card to travel.\nOur Justride platform is used in over 250 locations globally, including some of the largest cities in the world. With our industry-first mobile ticketing SDK, we’ve partnered with large players in the transport space, including Uber, Moovit and Transit.\nYour own journey is important to us too. Choosing a role here means joining a network of innovators from all walks of life; a group of passionate individuals who consistently deliver. Here, you’ll find the tools you need to build the career you want. Whether you’re taking the direct route or trying a new path, we’ll support you no matter what.\nThe Role_\n// We’re looking for a Principal Engineer to join Masabi’s Architecture team.\nThis is a senior role for someone who combines deep technical expertise with strong judgement and the ability to operate across teams. You’ll help shape the technical direction of Masabi’s platform while staying close enough to the detail to design, review and deliver meaningful technical work.\nWorking across the engineering organisation, you’ll act as a senior technical leader: defining and evolving architecture, guiding complex decisions, and contributing hands-on where it matters most. A particular focus for this role is strengthening our data architecture, how we structure, use and build on the data our platform generates.\nThe role suits someone who can move between system-level thinking and implementation, someone who understands trade-offs, can navigate ambiguity, and helps turn complex or loosely defined problems into clear, practical technical approaches.\nLocation_\n// This role is available in a fully remote model for candidates based in Romania\n Responsibilities_\nShape Masabi’s platform architecture, including platform blueprint definition, standards and best practices\n\nHelp shape Masabi's data architecture and strategy, including how we structure, store and make use of the data generated across our platform\n\nDesign and deliver scalable, robust, cost efficient services aligned with platform blueprint\n\nStay hands-on in code and technical delivery, including reviews and targeted contributions\n\nIdentify and work through complex platform challenges related to scalability, performance, resilience and cost\n\nAct as a senior technical advisor across engineering teams, supporting and influencing technical decisions and ensuring Masabi standards are followed\n\nShape and contribute to technical roadmap planning and prioritisation of platform improvements\n\nSupport RFP estimation and technical scoping for complex initiatives\n\nProduce clear, high-quality technical documentation and architecture artefacts\n\nImprove how architecture is understood and applied across engineering and the wider business\n\nContribute to and help shape technical forums and working groups, including areas such as API and architecture governance\n\n About You_\nYou bring strong experience designing and evolving distributed systems and microservices architectures\n\nYou’ve operated at Principal or Staff level, shaping technical direction across multiple teams or domains\n\nYou are comfortable staying hands-on, contributing in code, design and delivery when needed\n\nYou have strong experience with cloud platforms (AWS preferred) and modern infrastructure practices\n\nYou’ve worked on systems where scale, reliability, performance and cost trade-offs matter, and can navigate those decisions thoughtfully\n\nYou have proven experience in data architecture (e.g. data platforms, pipelines, warehousing or data lakes) and working on products built on top of large data stores\n\nYou can take loosely defined (early stage) business or technical problems and turn them into clear, actionable technical approaches\n\nYou communicate complex ideas clearly and effectively, and produce structured documentation that helps both technical and non-technical audiences make decisions\n\nYou’ve contributed to engineering standards, architecture patterns or platform direction\n\nStrong experience with REST API design in complex, multi-service environments, ideally including how APIs are consumed on the front end\n\nInterest in or exposure to AI-enabled systems, particularly understanding architectural implications in production\n\nNice To Have_\nExperience breaking monolithic applications into microservices architectures\n\nExperience with event-driven architectures (e.g. Kafka, schema governance)\n\nExperience improving cloud cost and system efficiency at scale\n\nFamiliarity with a range of tools and technologies including:\nDevelopment: Kotlin, Java\n\nData storage/processing: DynamoDB, MySQL, Snowflake, Databricks, Spark\n\nInfrastructure as code and CI/CD: Terraform, GitLab CI/CD\n\n// You don’t need to have experience in every area listed above. If you bring strong fundamentals, good judgement and a willingness to learn, we’d still love to hear from you.\nSome of Our Benefits_\n25 days holiday per year plus the Christmas Shutdown (another 3-4 days)\n\nPremium medical care via Regina Maria\n\nMental health support\n\nMenopause support\n\nRegular social gatherings with a monthly allowance for each employee\n\nUp to €1000 training budget per year\n\n€200 to spend on your home office\n\nChoice of workstation\n\nAbility to work for up to 3 months per year from any country in the world\n\nCareers at Masabi are for people going places - driven by a mission to make transit fair and accessible for all.\n// We are a network of innovators from all walks of life, passionate about making a difference. At Masabi, we operate with openness and trust, creating an environment where everyone feels empowered to bring their whole, authentic selves to work.\nWhoever you are, just be yourself.\n// We welcome applications from underrepresented groups, including disabled and neurodivergent people, and can make adjustments at any stage of the process. You’re also welcome to share your pronouns whenever you feel comfortable. Together, we simplify journeys, remove barriers, and improve daily life for millions.\nWhy Join Masabi?\nDriven by Purpose - We believe in journeys made simple. The work isn’t always easy, but the best things never are.\n\nEncouraged to Accelerate - Masabi is going places and our people are in the driving seat. Whether you’re taking the direct route or exploring new paths, we support your journey.\n\nAdvancing with Empathy - We put people first and foster a culture of learning, not blame. No matter your cargo, we share the load.\n\nWe’re already powering journeys - are you ready to join us?","description_format":"text","description_chars":6790,"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":[]},"benefits":["Home office"],"hiring_locations":[{"name":"Romania","iso":"RO","kind":"country"}],"hiring_excludes":[],"relocation_offered":false,"industries":["Transportation & Logistics","Public Transport","Ticketing"],"lifecycle":[{"event":"open","at":"2026-09-06T07:32:58Z"}],"visa":[],"liveness":{"score":11,"band":"cold","label":"Long shot","p_open":1,"p_active":0.386,"p_room":0.28,"age_days":141,"expected_fill_days":63,"reasons":["conf:2","evergreen","win:tail","crowd:"],"computed_at":"2026-10-24T06:02:35Z"},"pay":null,"html_url":"https://alion.io/job/masabi-principal-engineer-platform-data-3","json_url":"https://alion.io/job/masabi-principal-engineer-platform-data-3.json","meta":{"generated_at":"2026-10-24T21:59:56Z","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":32196,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-10-25T00:00:00Z"}},"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":172322},"rest":"https://alion.io/mcp/rest/get_company?id=172322"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Fmasabi-principal-engineer-platform-data-3"},{"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%2Fmasabi-principal-engineer-platform-data-3"},{"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%2Fmasabi-principal-engineer-platform-data-3"},{"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/masabi-principal-engineer-platform-data-3\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Fmasabi-principal-engineer-platform-data-3"}]}