Backend Software Engineer 18257

Veritaz is a leading IT staffing solutions provider in Sweden, committed to advancing individual careers and aiding employers in ensuring the perfect talent fit. With a proven track record of successful partnerships with top companies, we have rapidly grown our presence in the USA, Europe, and Sweden as a dependable and trusted resource within the IT industry. Assignment Description We are looking for a Backend Software Engineer for a short-term assignment What You Will Work On Modernize backend services and data processing pipelines Upgrade applications to the latest JDK, Scala 3.x, and Play Framework 3.x Develop and maintain scalable Java and Scala-based backend solutions Support migration of authentication services from legacy APIs to OAuth-based solutions Build and enhance Spark-based batch processing and migration pipelines Design and implement scalable data migration and transformation solutions Utilize GenAI tools to automate code modernization and dependency upgrades Create reusable tooling, prompts, automation assets, and technical runbooks Extend and improve existing Scala and Play Framework applications Collaborate with engineering teams to ensure compatibility, performance, and maintainability Support software quality, testing, deployment, and operational improvements Contribute to continuous improvement and platform modernization initiatives What You Bring Hands-on experience developing and supporting production-grade Java and/or Scala services Strong backend development experience in enterprise environments Familiarity with Play Framework and its internal architecture Experience working with Apache Spark for large-scale data processing Knowledge of OAuth-based authentication and authorization patterns Understanding of software architecture, system integration, and backend modernization Strong problem-solving and analytical skills Ability to work independently and collaboratively in fast-paced environments Excellent communication and teamwork skills