Senior Software Engineer (Full-Stack)

Senior Software Engineer (Full-Stack) Who We Are and What We Do At SilverRail, we're on a mission to reshape the way the world travels, and we're inviting you to be part of this journey. Rail is becoming the go-to choice for short and medium-haul travel worldwide, and we're here to help make it happen. In the face of the ongoing climate crisis, our vision is crystal clear. We are transforming the online customer experience for rail travel, making it easier than ever for customers to find, buy and use rail. Our cutting-edge technology is the backbone of rail and travel agencies worldwide, making it effortless for travellers to choose the eco-friendly option and reduce their carbon footprint. We have over 15 years of trailblazing success behind us, and our teams are spread across the globe, with bases in London, Boston, Brisbane, and Stockholm. We thrive on the philosophy of 'fail-fast-fail-early,' which drives us to find ingenious solutions to complex challenges. Join us, and help shape the future of travel! The Role As a Senior Full-Stack Software Engineer, you will play a key role in designing, building, and maintaining high-quality software solutions that support our evolving platform. Our team in Stockholm build products that are used by multiple API customers and travel agencies, enabling easy, accessible and frictionless rail ticketing across Europe. Working closely and cross-functionally, you will help translate business requirements into scalable, reliable technical solutions. You will contribute across the full development lifecycle, from requirements analysis and system design through implementation, testing, deployment, and ongoing optimization, all while applying best practices in code quality, maintainability, and performance. You will work in a collaborative Agile environment, actively participating in Sprint planning, backlog refinement, daily stand-ups, reviews, and retrospectives. As a senior member of the team, you will bring strong technical expertise and a passion for clean, maintainable code while contributing to architectural discussions, mentoring teammates, and continuously improving engineering practices. You will help ensure that new features meet the Definition of Done and that each Sprint delivers meaningful, high-quality value. Key Responsibilities Analyse requirements and translate functional specifications into well-designed, scalable software components. Design, implement, and maintain application features, contributing to both backend and frontend solutions. Write clean, readable, and maintainable code that follows established engineering standards and best practices. Develop and maintain comprehensive unit and integration tests to ensure reliability and maintain strong test coverage. Produce and maintain clear technical documentation to support maintainability and knowledge sharing. Design, implement and evolve REST and SOAP APIs to support internal services and external integrations. Build and maintain modular, testable Spring/Java-based middleware applications that align with architectural standards. Contribute to the design and architecture of applications and services, helping evaluate technical solutions and trade-offs. Collaborate with cross-functional team members, including Product Managers, QA, Tech Ops and Platform Engineering, to deliver high-quality features within each Sprint. Participate in Agile ceremonies, code reviews, and continuous improvement initiatives to ensure features meet the Definition of Done and engineering standards.

Required Competence and Skills Strong knowledge and experience with Java 17+, Spring and Spring Boot frameworks. Experience running microservices in the cloud, specifically with AWS, Docker and Kubernetes. Experience of Hibernate and relational databases including MySQL. Experience building JSON and XML based APIs. Strong knowledge of RESTful principles. Experience with UI technologies including JavaScript/TypeScript Experience with UI frameworks including React.JS Experience working in an Agile (Scrum) environment. Familiarity with design patterns, SOLID and TDD Experience using Git/GitLab managing CI/CD pipelines. Minimum 5 years of hands-on work experience. BSc in Computer Science or equivalent experience. Fluent in English both written and spoken. Strong analytical and problem-solving capabilities. Comfortable working in a fast-paced environment while finding solutions to complex challenges.

Why us? We utilise a hybrid working model, providing equipment for home working so you can work 2-3 days per week at home and 2-3 days per week in our beautiful central Stockholm office.

We are part of the Tech Sverige and Almega organisations offering a strong collective working agreement.

We provide a wealth of career development opportunities with training that is individual, focused on improving your skills and helping you become the best professional you can be.

Our team’s health and wellness is genuinely important to us, so we provide a generous annual Wellbeing Allowance for you to use.

A unique opportunity to work for a tech company that is helping the environment by revolutionising the way we travel.