{"id":2998000,"url":"https://alion.io/job/sage-senior-software-developer-scala","title":"Senior Software Developer - Scala","company":{"id":8779,"name":"Sage","domain":"sage.com","url":"https://alion.io/company/sage","size_band":"1001-5000","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Sage Careers","truth_index":{"grade":"A","score":85,"open_postings":12,"ghost_share":0,"stale_share":0.583,"repost_share":0,"time_to_fill_p50_days":48,"computed_at":"2026-10-25T05:49:26Z"}},"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":["Newcastle, United Kingdom"],"countries":["GB"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":{"min_usd":76000,"max_usd":148000,"period":"year","method":"role_seniority_country_remote_cell","sample_n":130},"experience_years_min":null,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"Agile","optional":false},{"name":"Akka","optional":false},{"name":"Apache Pekko","optional":false},{"name":"AWS","optional":false},{"name":"CI/CD","optional":false},{"name":"Git","optional":false},{"name":"MySQL","optional":false},{"name":"Play Framework","optional":false},{"name":"Redis","optional":false},{"name":"Scala","optional":false},{"name":"SQL","optional":false},{"name":"Doobie","optional":true},{"name":"Grafana","optional":true},{"name":"Kibana","optional":true}],"status":"live","first_seen_at":"2026-08-05T00:00:00Z","employer_posted_date":"2026-10-21","last_verified_at":"2026-10-25T09:22:30Z","board_verified":true,"closed_at":null,"days_open":81,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":81},"description":"We are looking for a Senior Backend Developer to join our HCM Localisation engineering team and help evolve a large-scale, cloud-based enterprise product. This role is focused on building and maintaining scalable backend services supporting complex product workflows, integrations, performance improvements, and ongoing platform modernisation.*** Please note: This is a hybrid role requiring 3 days per week in our Newcastle office ***\nResponsibilities\nIn this role you'll:\nDesign, develop, and maintain robust backend services using Scala 2.13 and Play Framework in a Pekko-based environment. \nBuild clean, testable, and maintainable code using functional programming principles, immutability, pattern matching, and asynchronous programming with Futures. \nWork with MySQL to design efficient data access patterns, optimize queries, tune indexes, and profile database performance. \nDevelop, deploy, and support services in AWS, working closely with DevOps and platform teams to ensure reliable delivery. \nContribute to CI/CD pipelines, Git-based pull request workflows, code reviews, and engineering best practices. \nCollaborate with frontend engineers, QA, product owners, solution designers, and other backend developers to deliver high-quality product increments. \nSupport production stability by investigating issues, improving observability, and continuously reducing technical debt. \nRequired Skills and Experience:\nExtensive professional backend development experience, ideally in enterprise, SaaS, or cloud-based product environments. \nStrong hands-on experience with Scala, including collections, Futures, immutability, pattern matching, error handling, and clean functional design. \nCommercial experience with Play Framework or comparable JVM backend frameworks; Pekko or Akka experience is highly relevant. \nStrong understanding of relational databases, especially MySQL, with practical knowledge of SQL optimization, indexes, query profiling, and transaction behaviour. \nExperience using Redis or similar technologies for caching, session handling, or performance-sensitive workloads. \nDeep understanding of OOP principles, functional programming, concurrency, the Scala type system, and advanced architectural patterns (e.g., Tagless Final, type classes, effect systems). \nAbility to design and evolve complex distributed systems while promoting engineering best practices across the team \nHands-on experience with AWS services and cloud-native delivery practices. \nGood understanding of CI/CD, Git, branching strategies, pull request flows, automated testing, and release practices. \nAbility to work effectively in distributed Agile teams, communicate clearly, and take ownership of complex technical problems. \nNice to Have:\nExperience with Squeryl, Doobie, or similar Scala data access libraries. \nFamiliarity with Grafana or Kibana dashboards, alerting, logging, and production observability practices. \nExperience with large distributed systems, horizontal scaling, resilient service design, or high-throughput Play / Pekko applications. \nPrevious experience in Payroll, HR, HCM, ERP, compliance-heavy, or localisation-focused product domains. \nRussian, Ukrainian, or Polish language skills would be beneficial, but are not essential. \nWays of Working:\nPragmatic, delivery-focused, and able to balance new feature development with maintenance, bug fixing, and technical improvement work. \nProactive in code reviews, design discussions, troubleshooting, and knowledge sharing across the engineering team. \nStrong problem-solving mindset, attention to detail, and willingness to work with an established codebase while helping modernise it over time. \nWant to know more about our Product?: https://hcm.sage.com/\nBenefits? 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