{"id":61871,"url":"https://alion.io/job/adyen-senior-software-engineer-java","title":"Senior Software Engineer (Java)","company":{"id":8354,"name":"Adyen","domain":"adyen.com","url":"https://alion.io/company/adyen","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":76,"open_postings":75,"ghost_share":0.093,"stale_share":0.44,"repost_share":0.147,"time_to_fill_p50_days":72,"computed_at":"2026-11-06T05:58:05Z"}},"role":"Backend","role_family":"Backend","seniority":"senior","employment_type":null,"work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Madrid, Spain"],"countries":["ES"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":{"min_usd":66000,"max_usd":143000,"period":"year","method":"role_seniority_country_remote_cell","sample_n":25},"experience_years_min":6,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"Java","optional":false},{"name":"Apache Tomcat","optional":true},{"name":"CockroachDB","optional":true},{"name":"ElasticSearch","optional":true},{"name":"Gradle","optional":true},{"name":"PostgreSQL","optional":true},{"name":"Rest API","optional":true},{"name":"SQL","optional":true}],"status":"live","first_seen_at":"2025-07-07T08:11:19Z","employer_posted_date":"2026-11-03","last_verified_at":"2026-11-06T19:12:00Z","board_verified":true,"closed_at":null,"days_open":487,"trust":{"level":"ghost","repost_count":2,"flags":["stale","repost"],"days_open":486},"description":"This is Adyen\nAdyen provides payments, data, and financial products in a single solution for customers like Meta, Uber, H&M, and Microsoft - making us the financial technology platform of choice. At Adyen, everything we do is engineered for ambition. \nFor our teams, we create an environment with opportunities for our people to succeed, backed by the culture and support to ensure they are enabled to truly own their careers. We are motivated individuals who tackle unique technical challenges at scale and solve them as a team. Together, we deliver innovative and ethical solutions that help businesses achieve their ambitions faster.\nFinancial Products\nAdyen is expanding beyond payments by building an entire suite of embedded financial services tailored for platforms, marketplaces, SaaS businesses, on-demand platforms, and crowdfunding platforms. Our team’s mission is to enable these platforms to manage their global payments and financial services seamlessly through API integrations or hosted solutions.\nWith our solutions, platforms can:\nRun onboarding, verification, and compliance processes across multiple markets.\nManage payments and trigger faster payouts and bank transfers in all preferred currencies.\nOffer value-added services like capital lending and the issuing of payment cards and bank accounts.\nOur team is responsible for developing the technology behind this unified platform, focused on several different areas.\nYour role:\nYou will build and maintain ourdistributed high-performance platform.\nYou will contribute to architectural design decisions and ensure the scalability of our platform.\nYou will help develop teammates, mentoring and coaching junior engineers and peers while maintaining a feedback loop to foster both your and their continuous growth.\nYou will be part of a diverse and inclusive team. \nWe launch fast and iterate often. Concretely, this means that within your first few weeks, you will bring code live that impacts many businesses and shoppers.\nYou will identify and improve parts of the platform to make it more robust and scalable.\nCollaborate across teams and time zones to make things happen, review code and be open to feedback.\nAs an engineer you will help our core financial data processes and work on our finance infrastructure, to keep it scalable, reliable and secure.\nWho you are:\nA Software Engineer with 6+ years of experience working with object-oriented programming languages (Java).\nYou enjoy and have previous experiences mentoring (not managing) developers.\nYou have a deep understanding of the why, how, and where of architectural software design. \nYou are proficient in creating performance database queries and table structures.\nYou are a clear and concise communicator capable of articulating complex, technical concepts to both junior developers and non-technical peers.\nYou are flexible, a team player, and someone who understands the bigger picture.\nYou are able to take ownership and lead a project.\nWe are an international team and our working language is English, so you speak it fluently in both technical and non-technical contexts.\nOur Tech Stack: Java 17, Web Services (RESTful) and SQL/PostgreSQL using MyBatis (ORM), Tomcat, Gradle, CockroachDB and Elasticsearch.\nOur Diversity, Equity and Inclusion commitments \nOur unique approach is a product of our diverse perspectives. This diversity of backgrounds and cultures is essential in helping us maintain our momentum. Our business and technical challenges are unique, and we need as many different voices as possible to join us in solving them - voices like yours. No matter who you are or where you’re from, we welcome you to be your true self at Adyen. \nStudies show that women and members of underrepresented communities apply for jobs only if they meet 100% of the qualifications. Does this sound like you? If so, Adyen encourages you to reconsider and apply. We look forward to your application!\nWhat’s next?\nEnsuring a smooth and enjoyable candidate experience is critical for us. We aim to get back to you regarding your application within 5 business days. Our interview process tends to take about 4 weeks to complete, but may fluctuate depending on the role. Learn more about our hiring process here. Don’t be afraid to let us know if you need more flexibility.\nThis role is based out of our Madrid office. 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