Java Backend Software Engineer | Vesper
Employer · Deltatre
Software developerApplications developerFull-timeBudapest
This role sits within the Vesper team at Deltatre — the platform responsible for delivering VOD and live events to users at global scale. You will work across Java services, event-driven processes, RESTful APIs, and the AWS infrastructure that underpins our streaming platform. We are hiring at both Senior and Mid-Level.
Tasks
- Build, maintain, and optimise Java services running event-driven processes and RESTful APIs on AWS infrastructure
- Own the design and implementation of robust, scalable solutions for VOD and live event delivery
- Take an active role in system and API design discussions
- Write and maintain automated tests and contribute to defining test approaches across the team
- Participate in code review, setting and maintaining engineering standards
- Identify and address performance bottlenecks, reliability risks, and technical debt proactively
Requirements
- Substantial Java 11+ — demonstrated production experience on modern versions
- Deep relational database experience with MySQL and/or PostgreSQL
- Proven experience building and consuming RESTful APIs (JAX-RS, Dropwizard, Spring Boot or similar)
- Experience designing and working on event-driven systems (SQS, Kinesis, SNS, Kafka or similar)
- Demonstrated familiarity with AWS services including EC2, RDS, S3, SQS, and DynamoDB
- Substantial command of software design patterns and the judgement to apply them appropriately
- Demonstrated automated testing skills — unit and integration — with the ability to design meaningful test cases
- Experience working effectively in an agile, cross-functional delivery team