{"id":4027715,"url":"https://alion.io/job/alten-senior-software-engineer-java-api","title":"Senior Software Engineer (Java, API)","company":{"id":52934,"name":"ALTEN","domain":"alten.com","url":"https://alion.io/company/alten-com","size_band":"5000+","is_staffing_agency":false,"employer_type":"staffing","is_intermediary":false,"listed_via":null,"ats_vendor":"SmartRecruiters","truth_index":{"grade":"B","score":76,"open_postings":92,"ghost_share":0,"stale_share":0.967,"repost_share":0,"time_to_fill_p50_days":27,"computed_at":"2026-11-10T06:52:35Z"}},"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":["Kraków, 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delivery team providing design and development of the new capabilities\n· Support transformation of the current payment estate, with laser focus on modernization and adoption of cloud-based technology\n\nThe role including below major accountabilities：\n· Set the level expected for software delivery within the team, leading by example\n· Serve as expert in area of responsibility, identifies process improvements and problem prevention, and advises department and management of relevant information as appropriate\n· Provides analysis and solutions to technical and business issues\n· Understand and apply technology and corporate vision setting direction on implementation.\n· Maintain awareness of business and technology strategies and implements technical alternatives and strategies to gain competitive advantage\n· Maintains the complex technical infrastructure of assigned area to meet the business requirements.\n· Provides technical solutions to business problems, technical leadership and direction to management.\n· Remain current on technical and professional advances and business strategies regarding area of responsibility\n· Resolve architectural or development blockers raised\n· Partner with DevOps team to enable automated infrastructure delivery, DevSecOps value streams are executed and CI /CD pipelines to deploy services\n· Initiate analysis for complex problems and issues, determine technical alternatives, analyse vendor solutions and negotiate contracts, and develop appropriate standards for technology application.\n· Provide technical leadership and consultation to project team members as directed by the project manager\n· Initiate and conduct feasibility studies of new and modified operational procedures.\n· For large systems, prepare cost/benefit analyses, functional and detail specifications.\n· Provide direct guidance in planning, designing, programming, documentation and implementation of the systems\n· Perform reviews of new and existing systems to ensure operational integrity and accomplishment of stated objectives\n· Design, code, test, debug and document programs as required\n· Provide architecture guidance to developers based on best practices and in alignment with global standards\n· Ensuring compliance with all relevant controls and standards\n\n👉Key Skills and Qualifications:\n\n· Bachelor’s Degree required in Computer Science, Engineering or related majors\n· Minimum of 15 years’ applied experience as an API engineer\n· Strong experience in API designing and creating architectural artefacts such as gap analysis, low level designs, data models etc.\n· More than 10 years of engineering background in back-end microservices application development, application security and authentication development, cache and middleware\n· More than 10 years’ experience programming in Java and ideally Go and Rust\n· Expertise in JVM tuning and diagnostic for application troubleshooting and performance-optimization\n· Expertise in distributed system design including microservices, Springboot\n· Expertise in Docker, k8s, service mesh\n· Expertise in Kafka, the incumbent should be able to build and configure a cluster and develop software to produce and consume to/from the cluster\n· Expertise in monitoring and observability technologies: Splunk, Grafana, Prometheus, Jaeger, Kiali, Open Telemetry\n· Expertise in cloud and DevOps, familiar to network (VPC) and firewall on cloud, identity and access management, cloud delivery including sizing and costing\n· Solid knowledge on infrastructure like Linux OS, networking, storage, network load-balancing, Kubernetes CNI\n· Expert-level SQL coding abilities is preferred.\n· Understanding of distributed Databases\n· Experience of working in a financial institution, ideally in payments\n· Ability to work independently and think out of the box\n· The passion and ability to lead/motivate and develop technologist, including mentoring and coaching.\n· Superior listening skills, ability to learn quickly, and willing to accept accountability for company and individual success\n· Extensive critical thinking skills for problem identification and solution recommendation\n· Exceptional team player that can lead others in demonstrating initiative and sound business judgment and is interested in expanding skills and growing professionally\n· Highly flexible, set priorities and meet deadlines in a changing environment\n· Excellent written and verbal communication skills in English, ability to negotiate, resolve conflicts and influence technical choices relating to business, development and architectural requirements\n\n🎯 We offer\n\nWe offer a full-time employment contract\nStable and long-term cooperation\n\nWell-defined career path at the European leader in engineering & IT consulting\n\nOpportunity to relocate and work in different ALTEN Polska branches\n\nAfter completion of the project, opportunity to engage in a subsequent one within the company\n\nIntroduction and cooperation with dedicated Competences Manager\n\n🎯Benefits:\nMedicover medical care\n\nMedicover dental care\n\nMedicover Benefits platform\n\nMedicover Sport card\n\nReferral Program\n\nLayette for a newborn employee’s child\n\nGroup life insurance\n\nPension scheme\n\n🎯We also offer cooperation based on a B2B or Contract of mandate (UZ)\n\n🎯We also guarantee:\nAccess to professional certifications with our technology partners (e.g. Google, ISTQB)\n\nAccess to relevant industry events\n\nAccess to the Knowledge Sharing Program\n\nAccess to Referral program\n\nDo not hesitate and join our team!\n\nNOTICE: We kindly inform you that we will contact the selected people.\n\nDo not hesitate and join our team!\nTech 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