{"id":1986173,"url":"https://alion.io/job/entrust-senior-ios-software-developer-mobile-payments-sdk-paris-france","title":"Senior iOS Software Developer (Mobile Payments SDK) - Paris, France","company":{"id":4788,"name":"Entrust","domain":"entrust.com","url":"https://alion.io/company/entrust","size_band":"201-500","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Workday","truth_index":{"grade":"A","score":85,"open_postings":10,"ghost_share":0,"stale_share":0.6,"repost_share":0,"time_to_fill_p50_days":44,"computed_at":"2026-10-31T05:58:55Z"}},"role":"Mobile","role_family":"Mobile","seniority":"senior","employment_type":"full_time","work_mode":"hybrid","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"explicit","locations":["Paris, France"],"countries":["FR"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":{"min_usd":45000,"max_usd":90000,"period":"year","method":"role_seniority_country_remote_cell","sample_n":15},"experience_years_min":5,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"Agile","optional":false},{"name":"CI/CD","optional":false},{"name":"Git","optional":false},{"name":"Java","optional":false},{"name":"Swift","optional":false},{"name":"Kotlin","optional":true},{"name":"Kotlin Multiplatform","optional":true},{"name":"Objective-C","optional":true}],"status":"live","first_seen_at":"2026-09-29T00:00:00Z","employer_posted_date":"2026-09-29","last_verified_at":"2026-10-31T19:42:46Z","board_verified":true,"closed_at":null,"days_open":33,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":33},"description":"Join us at Entrust\nAt Entrust, we’reshaping the future of identity centric security solutions. From our comprehensive portfolio of solutions to our flexible, global workplace, we empower careers, foster collaboration, and build solutions that help keep the world moving safely.\nGet to Know Us\nHeadquartered in Minnesota, Entrust is an industry leader in identity-centric security solutions, serving over 150 countries with cutting-edge, scalable technologies. But our secret weapon? Our people. It’sthe curiosity, dedication, and innovation that drive our success and help us anticipatethe future.\nPosition Overview:\nEntrust is seeking an iOS Sr. Software Developer in Paris, France. The Senior Software Developer (iOS) plays a key role in the design, development, and delivery of secure, high-performance mobile software solutions within the Digital Card Solution (DCS) Mobile Team.\nThe position focuses on the evolution of Entrust DCS iOS SDKs and mobile applications, enabling next-generation digital payment, wallet, and authentication capabilities while ensuring compliance with industry security and certification standards.\nOur key product is the Full SDK, built with a Wallet at its core and meant to be integrated by Payment Card Issuers to provide features such as our Digital Card solution, HCE payment, etc. Our other products are a Whitelabel app, a Light SDK, etc\nAs a senior member of the engineering team, the individual contributes across the full software development lifecycle, from technical analysis and architecture design through implementation, testing, certification, and production support. The role requires strong expertise in Swift development, mobile architecture, functional testing, and CI/CD practices. The successful candidate will collaborate closely with Android, Backend, QA, DevOps, and Product teams to deliver robust and scalable solutions for customers across the digital payments ecosystem.\nThe role combines deep technical expertise with a strong sense of ownership, quality focus, and customer-centric mindset to ensure DCS mobile products remain secure, reliable, maintainable, and innovative in a rapidly evolving mobile payment landscape.\nLocation: Paris, France, with Hybrid work condition, 3 days per week required at the office.\nResponsibilities:\nDesign, develop, maintain, and enhance high-quality iOS software components, SDKs, and applications using Swift.\n\nParticipate in the full software development lifecycle, including requirements analysis, architecture, implementation, testing and deployment.\n\nLevel 3 production support.\n\nDesign scalable, maintainable, and reusable software solutions that align with product and architectural objectives.\n\nCollaborate with Product Management, Security, QA, DevOps, and Backend engineering teams to deliver end-to-end features.\n\nDevelop and maintain functional tests to ensure product quality and reliability.\n\nParticipate in code reviews and technical specs elaboration.\n\nInvestigate, troubleshoot, and resolve complex technical issues throughout the product lifecycle.\n\nOptimize Full SDK performance, reliability, scalability, and maintainability.\n\nContribute to CI/CD pipelines, build automation, and software delivery processes in collaboration with DevOps.\n\nSupport certification, compliance, and security-related activities required for mobile payment and authentication solutions.\n\nMentor and guide less experienced developers through technical leadership, knowledge sharing, and coaching.\n\nParticipate in technical planning, estimation, risk assessment, and continuous improvement initiatives.\n\nStay current with emerging iOS technologies, frameworks, tools, and industry trends, and evaluate their applicability to DCS products.\n\nBasic Qualifications:\nBachelor's degree in Computer Science, Software Engineering, or a related technical discipline, or equivalent practical experience.\n\n5+ years of professional software development experience.\n\n4+ years of experience developing native iOS applications or SDKs using Swift.\n\nStrong understanding of object-oriented design principles, software architecture patterns, and SOLID principles.\n\nExperience developing and maintaining complex, mobile applications or SDKs.\n\nStrong knowledge of iOS frameworks and platform capabilities.\n\nExperience with client-server architectures.\n\nExperience with multithreading, concurrency, memory management, and application performance optimization\n\nKnowledge of software testing methodologies, including unit testing and functional tests.\n\nExperience using source control systems such as Git.\n\nFamiliarity with CI/CD practices and automated build pipelines.\n\nStrong analytical, debugging, and problem-solving skills.\n\nExcellent verbal and written communication skills.\n\nAbility to work effectively in a collaborative, Agile development environment.\n\nExcellent verbal and written communication skills.\n\nBasic Java development experience, required for functional tests developement\n\nPreferred Qualifications:\nExperience developing mobile SDKs or reusable software frameworks.\n\nExperience with secure software development practices and security-focused code reviews.\n\nExperience in financial services, digital payments, banking, fintech, identity, or authentication solutions.\n\nKnowledge of NFC technologies, contactless payment systems, digital wallets, or mobile payment ecosystems.\n\nExperience integrating cryptographic APIs, certificate management, secure storage, or authentication mechanisms.\n\nFamiliarity with EMVCo, Visa, Mastercard, or payment-industry certification requirements.\n\nExperience working with Objective-C and interoperability between Swift and Objective-C.\n\nExperience with Kotlin Multiplatform Mobile (KMM/KMP) or cross-platform mobile architectures.\n\nExperience with performance profiling and advanced debugging tools on iOS.\n\nExperience designing public APIs and developer-facing SDK documentation.\n\nExperience leading technical initiatives and influencing architectural decisions across teams.\n\nPrevious mentoring or technical leadership experience within a software engineering team.\n\nExperience with development assisted by AI\n\nWhat we offer:\nFlexible working conditions: 3 days a week in-office, modern working environment in a co-working centre in the heart of Paris.\n\nA collaborative atmosphere: join a close-knit team where every idea is valued.\n\nExciting projects: work on cutting-edge technologies in the world of payment.\n\n1 week hackathon by year: an exciting time to work differently.\n\nDevelopment opportunities: training and access to resources to develop your skills.\n\nCareer Growth & Mobility: As Entrust has offices all over the world, mobility is one of the advantages we offer.\n\nAttractive benefits:\nHealth Insurance.\n\nLife insurance.\n\nLunch vouchers.\n\nRTT days (13-15).\n\nAbout Entrust\nOur growing company relies on curious, dedicated and innovative colleagues to anticipate the future and provide solutions for a more connected, mobile and secure world. Entrust technologies and expertise help government agencies, enterprises and financial institutions in more than 150 countries serve and safeguard citizens, employees and consumers. Each year, our solutions secure billions of transactions - and every day, our technologies issue and manage more than 10 million secure identities. How do we do all of this? Together.\nJoin us. Together we’ll create solutions for a more connected, mobile and secure life.\nFor more information, visit http://www.entrust.com/. Follow us on Twitter, YouTube and LinkedIn.\nEntrust Corporation is an EOE/AA/Veteran/People with Disabilities employer.\nNO AGENCIES, NO RELOCATION\nAt Entrust, we don’tjust offer jobs - we offer career journeys. Here is what you can expect when you join our team:\nCareer Growth: Whether you’rea budding developer or a seasoned expert, we’reinvested in your professional journey. With learning-forwardinitiatives and exciting challenges, your growth is our priority.\n\nFlexibility: Life is all about balance. Whether you’reremote, hybrid, or on-site, we offer flexible options that fit your lifestyle.\n\nCollaboration: Here, your voice matters. Our teams thrive on sharing ideas, brainstorming solutions, and working together to build a better tomorrow.\n\nWe believe in securing identities-but it doesn’tstop there. At Entrust, we’repassionate about valuing all identities. Our culture is built on diversity, inclusion, and respect. From unconscious biastraining for our leaders to global affinity groups that connect colleagues across the globe, we’recreating a community where everyone is encouraged to be themselves.\nReady to Make an Impact?\nIf you’reexcited by the prospect of innovating, growing your career, and collaborating in a dynamic environment, Entrust is the place for you. Join us in making a difference. Let’sbuild a more secure world-together.\nApply today!\nFor more information, visit www.entrust.com. Follow us on, LinkedIn, Facebook, Instagram, and YouTube\nFor US roles, or where applicable:\nEntrust is an EEO/AA/Disabled/VeteransEmployer\nFor Canadian roles, or where applicable:\nEntrust values diversity and inclusion and we are committed to building a diverse workforce with wide perspectives and innovative ideas. We welcome applications from qualified individuals of all backgrounds, and we strive to provide an accessible experience for candidates of all abilities.\nIf you require an accommodation, contact .\nRecruiter:\nGrace ","description_format":"text","description_chars":9492,"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":[]},"benefits":["Flexible schedule","Health insurance","Hybrid work","Life insurance"],"hiring_locations":[{"name":"France","iso":"FR","kind":"country"}],"hiring_excludes":[],"relocation_offered":false,"industries":["Identity Management","Digital Signature"],"lifecycle":[{"event":"open","at":"2026-10-07T02:14:12Z"}],"visa":[],"liveness":{"score":46,"band":"ok","label":"Likely open","p_open":1,"p_active":0.613,"p_room":0.75,"age_days":32,"expected_fill_days":44,"reasons":["conf:4","stale_co","velocity","win:late"],"computed_at":"2026-10-31T05:58:55Z"},"pay":null,"html_url":"https://alion.io/job/entrust-senior-ios-software-developer-mobile-payments-sdk-paris-france","json_url":"https://alion.io/job/entrust-senior-ios-software-developer-mobile-payments-sdk-paris-france.json","meta":{"generated_at":"2026-11-01T04:30:03Z","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":6923,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-11-02T00:00:00Z"}},"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":4788},"rest":"https://alion.io/mcp/rest/get_company?id=4788"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Fentrust-senior-ios-software-developer-mobile-payments-sdk-paris-france"},{"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%2Fentrust-senior-ios-software-developer-mobile-payments-sdk-paris-france"},{"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%2Fentrust-senior-ios-software-developer-mobile-payments-sdk-paris-france"},{"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/entrust-senior-ios-software-developer-mobile-payments-sdk-paris-france\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Fentrust-senior-ios-software-developer-mobile-payments-sdk-paris-france"}],"agent":{"mcp":"https://alion.io/mcp/jobs","mcp_open":"https://alion.io/mcp/open","next":[{"tool":"get_job","arguments":{"id":1986173}},{"tool":"search_jobs","arguments":{"company":"entrust.com","detail":"compact"}},{"tool":"match_people","arguments":{"job_id":1986173},"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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