Software Engineer Specialist

Railz

Railz

Software Engineering
Cambridge, MA, USA · Poland · Warsaw, Poland
Posted on Jan 20, 2026

Position Type :

Full time

Type Of Hire :

Experienced (relevant combo of work and education)

Education Desired :

Bachelor of Commerce/Business

We are FIS. Our technology powers the world’s economy, and our teams bring innovation to life. We champion diversity to deliver the best products and solutions for our colleagues, clients and communities. If you’re ready to start learning, growing and making an impact with a career in fintech, we’d like to know: Are you FIS?

About the role:


As a team leader you could work with bleeding edge technology as you build innovative fintech products that change the way the world pays, banks and invests. This will involve developing core versions of software applications, identifying client requirements and technical specifications, interacting with engineering groups, and training clients on applications.

What you will be doing:

  • Leading and organising work for up to 2 scrum teams of developers and QAs.
  • Actively managing scrum team backlog, ensuring stable stream of refined and completed tasks.
  • Managing people: setting objectives, verifying results and providing feedback to team members. Performance reviews.
  • Reporting on teams' progress and status of the increment.
  • Synchronising with other team leaders and lead developers, to mitigate impediments and dependencies.
  • Hands-on delivering code to the highest standards.
  • Designing, programming, debugging and modifying software enhancements.
  • Interacting with product managers and product owners to refine requirements and modifications.
  • Participating in software design meetings to determine technical requirements.
  • Performing code review, ensuring quality standards.
  • Contributing to the continuous integration of and delivery of the products.
  • Providing well-considered estimates as part of the scrum sprint estimation process.
  • Following the agreed coding standards and practices and propagating them into your team.
  • Organising and be an active participant in FIS’s agile development practices and ceremonies.

What you will need:

  • Minimum 8 years as software developer, ideally in an enterprise environment.
  • Experience in leading the development team, e.g. As a scrum master or people manager.
  • Experience with end-to-end systems development life cycles and standards.
  • Proficiency in solutions design and requirements definition disciplines.
  • Experience working in an Agile development methodology.
  • Experience in developing distributed systems in a microservices architecture.
  • Strong experience in Java and JVM languages.
  • Experience in using relational databases (e.g. MySQL) and non-relational datastores (e.g. Elasticsearch, parquet files).
  • Awareness of the OWASP top ten and other security considerations for micro-services and web applications.
  • Understanding and exposure to JIRA, Confluence, GIT, Jenkins, Gradle, Artifactory.
  • Experience with working in a continuous integration environment (preferably with Jenkins) and containerised (Docker) and orchestration (Kubernetes) technologies.
  • Excellent personal organizational and prioritisation skills.
  • Nice to have: experience in Scala and Apache Spark.
  • Nice to have: knowledge of financial industry practices, regulations and operations.

What we offer you:

  • A voice in the future of fintech
  • Always-on learning and development
  • Collaborative work environment
  • Opportunities to give back
  • Competitive salary and benefits

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Sourcing Model

Recruitment at FIS works primarily on a direct sourcing model; a relatively small portion of our hiring is through recruitment agencies. FIS does not accept resumes from recruitment agencies which are not on the preferred supplier list and is not responsible for any related fees for resumes submitted to job postings, our employees, or any other part of our company.

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