{"id":1234881,"url":"https://alion.io/job/blablacar-senior-backend-engineer-payment-squad","title":"Senior Backend Engineer - Payment Squad","company":{"id":13813,"name":"Blablacar","domain":"blablacar.com","url":"https://alion.io/company/blablacar","size_band":"501-1000","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Lever","truth_index":null},"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":["Paris, France"],"countries":["FR"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":{"min_usd":55000,"max_usd":102000,"period":"year","method":"role_seniority_country_remote_cell","sample_n":35},"experience_years_min":5,"visa_sponsorship":false,"relocation_package":false,"has_equity":true,"technologies":[{"name":"Datadog","optional":false},{"name":"Docker","optional":false},{"name":"Git","optional":false},{"name":"Java","optional":false},{"name":"Kubernetes","optional":false},{"name":"SLI/SLO/SLA","optional":false}],"status":"closed","first_seen_at":"2026-09-25T13:09:18Z","employer_posted_date":"2026-09-25","last_verified_at":"2026-09-29T15:32:50Z","board_verified":false,"closed_at":"2026-09-29T15:32:50Z","days_open":4,"trust":{"level":"not_scored","repost_count":null,"flags":[],"days_open":4},"description":"Your Mission\nWe are looking for a Senior Backend Engineer to join the Payment Squad. They manage BlaBlaCar’s payment solutions that provide reliability, trust, and a smooth end-to-end experience.\nAs a Senior Backend Engineer, your role will be to drive the delivery of a reliable and scalable platform that supports the full payment lifecycle, fraud fight, and compliance requirements. You will take ownership of complex, cross-functional projects-such as finalizing the implementation of our payment orchestrator-and play a key role in expanding BlaBlaCar's business by proposing and integrating tailored payment methods for our various operational countries.\nYou will act as a technical reference, demonstrating strong autonomy, deep architectural thinking, and the ability to synchronize with multiple external teams (Legal, Cash Management & Finance, Payment Ops).\nYou will be reporting to the squad's Engineering Manager and working closely with a team of Software Engineers and a Product Manager.\nYour responsibilities\nDrive and deliver transverse and complex technical projects from design to deployment, demonstrating a deep understanding of technical constraints and implementation challenges.\nLead the finalization and scaling of the payment orchestrator and integrate new, adapted payment methods across different countries.\nTake a step back to proactively propose platform improvements, task automation, and better observability (e.g., establishing SLO reviews with SREs and owning your monitoring and alerting stack).\nInteract closely with various teams (Legal, Finance, Fraud/Payment Ops) to synchronize efforts, gather requirements, and assess cross-team impacts.\nAct as a mentor and guide for mid-level (IC3) developers within the squad, elevating the team's overall engineering standards.\nParticipate in a cyclic on-call duty (approximately 1 week every 7 weeks) to ensure the high availability of our critical payment systems.\nYour qualifications\nYou have 5 to 10 years of overall engineering experience.\nYou possess deep technical autonomy and a high level of critical thinking regarding software architecture and constraints.\nYou are fluent in Java and have advanced knowledge of frameworks such as Spring, or SpringBoot.\nYou have hands-on experience with service-oriented architectures, Git, Docker, Kubernetes, and monitoring solutions (Datadog).\nYou have excellent, clear, and concise communication skills, allowing you to easily step into any workshop and share technical expertise with both technical and business stakeholders.\nYou are not reluctant to participate in on-call duties (mandatory for this role).\nFull working proficiency in English\nFit with our BlaBlaPrinciples\nIf you don’t meet 100% of the qualifications outlined above, tell us why you’d still be a great fit for this role in your application.\nWhat we have to offer\nHybrid position\n4 additional weeks on top of legal maternity/paternity leaves\n50% healthcare coverage (Alan)\nFinancial support for home office equipment\nMinimum 25 days holiday per year\nLocal meal plan policy (Swile card)\n50% transportation paid (Forfait Mobilité Durable)\nFree unlimited carpooling & bus rides\nPersonal growth via trainings, mentorship, and internal mobility programs\nEmployee Stock ownership plan\nRegular team building events\n1 day off per year to test our product\nInterested in joining the ride?\na 45-min video-call with a Talent Acquisition Manager, to get to know you, understand your career expectations and answer your questions\na 90-min live coding session with Software Engineers\na 60-min design interview with Software Engineers\na 60-min video-call with Julien, Engineering Manager of the payment team, to discuss your experience, and share more details about the squad.\nOur hiring process lasts on average 25-30 days, offers usually come within 48 hours.\nBlaBlaCar is an equal opportunity employer. We celebrate diversity and are committed to creating an inclusive environment for all employees.","description_format":"text","description_chars":3980,"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":[{"language":"English","level":"Advanced (C1)","optional":false}]},"benefits":["Home office"],"hiring_locations":[{"name":"France","iso":"FR","kind":"country"}],"hiring_excludes":[],"relocation_offered":false,"industries":["Transportation & Logistics","Travel & Tourism","Shared Mobility"],"lifecycle":[{"event":"open","at":"2026-09-25T16:13:48Z"},{"event":"close","at":"2026-09-29T15:32:50Z"}],"liveness":null,"pay":null,"html_url":"https://alion.io/job/blablacar-senior-backend-engineer-payment-squad","json_url":"https://alion.io/job/blablacar-senior-backend-engineer-payment-squad.json","meta":{"generated_at":"2026-09-30T03:01:04Z","cache_seconds":300,"methodology":"https://alion.io/methodology","terms":"https://alion.io/terms","contact":"https://alion.io/contact","api":"https://alion.io/developers","usage":{"tier":"crawler","counted_by":"address","units_charged":1,"used_today":2321,"day_limit":5000,"remaining_today":2679,"minute_limit":60,"resets_at":"2026-10-01T00:00:00Z"}}}