Data Engineer at Trainline developing data products with Scala and AWS in a hybrid work environment. Collaborate with cross - functional teams to enhance data - driven customer experiences.
About the role
- Backend Engineer responsible for designing and developing robust server-side solutions for financial technology products. Collaborating with cross-functional teams to enhance user experience.
Responsibilities
- Design and implement scalable backend architecture, services, and APIs for core financial products and features.
- Develop high-quality, maintainable server-side code with a strong emphasis on performance, reliability, and security.
- Build and maintain RESTful APIs (and potentially GraphQL) to support mobile and web applications.
- Manage databases (relational and non-relational), optimize queries, and ensure data integrity and consistency.
- Collaborate with cross-functional teams (frontend, product, QA, DevOps) to translate business requirements into technical solutions.
- Participate in code reviews, write unit/integration tests, and contribute to improving engineering practices.
- Monitor system performance, troubleshoot production issues, and participate in on-call rotations as needed.
- Contribute to continuous improvement by refactoring legacy code, adopting best practices, and staying current with relevant technologies.
Requirements
- 10+ years of professional experience as a Backend Engineer (or similar role) building scalable server-side applications.
- Strong proficiency in at least one modern backend language such as Java or Kotlin.
- Solid experience with microservices architecture and distributed systems.
- Experience in domain ownership - a must.
- Hands-on experience with relational databases (e.g., MySQL, PostgreSQL) and non-relational databases (e.g., MongoDB, DynamoDB).
- Experience with AI tools and a strong interest in continuously exploring and applying them in everyday work are highly valued.
- Familiarity with message queue / streaming technologies such as Kafka, RabbitMQ, SQS, or similar.
- Good understanding of cloud platforms (preferably AWS or similar), including services for compute, storage, and networking.
- Experience building secure, high-performance APIs and handling sensitive data (especially valuable in fintech).
- Strong problem-solving skills, attention to detail, and ability to work effectively in a fast-paced, collaborative environment.
- Excellent communication skills and fluency in English.
- B.Sc. in Computer Science or equivalent practical experience.
Benefits
- Contact us to get more details about the benefits we offer.
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