Senior Software Engineer Java/Kotlin

citi.com; Belfast; On-site; GBP 80,000 - 100,000; Full time

Job summary

A financial services corporation is seeking an experienced backend engineer to enhance the developer experience platform. You will utilize Kotlin or Java, work with RESTful APIs, and engage with databases like PostgreSQL and MongoDB. Ideal candidates will have experience in microservices and CI/CD tools, collaborating effectively with cross-functional teams.

Qualifications

• Experience with event-driven architecture.
• Experience with microservice architecture.
• Familiarity with scalability and observability.

Responsibilities

• Collaborate with product, design, and UI engineers to understand requirements.
• Deliver robust backend solutions.

Skills

Strong server-side engineering skills: Kotlin or Java

Building and consuming RESTful APIs

Proficiency with relational and/or NoSQL databases

Tools

PostgreSQL

MongoDB

Apache Kafka

CI/CD tools

Job description

## For additional information, please review .is the Engineers homepage where engineers can see all of parts of the SDLC, such as code reviews, JIRAS and deployments, all tied together into single workflow. The next-generation greenfield Developer Experience (DevEx) platformaims to save days of engineering time per engineer per year at one of the largest engineering organisations in the world. Transforming the way engineers work at Citi.You’ll impact the daily experience of tens of thousands of engineers at one of the largest engineering organisations in the world.Strong server-side engineering skills: Kotlin or Java (we’re using Java 21), building and consuming RESTful APIs.Proficiency with relational and/or NoSQL databases: PostgreSQL, MongoDB.**Desirable skills**Experience with event-driven architecture. Experience with microservice architecture Experience with message queuing systems: Apache Kafka. SRE/DevOps – Experience with scalability & Observability Familiarity with CI/CD tools and automated deployments.Comfortable collaborating with product, design, and UI engineers, product managers, and other stakeholders to understand requirements and deliver robust backend solutions. **Tools you’ll use (depending on role)**