Java Backend Developer

Unity Infotech Solutions LLC; Dubai; On-site; AED 240,000 - 480,000; Full time

Job summary

Unity Infotech Solutions LLC in Dubai seeks an experienced Backend Engineer to design and implement scalable microservices using Java 17+ and Spring Boot. The role emphasizes robust APIs, security, and modern cloud-native patterns in a fintech context.

You will work with OpenAPI specifications, OAuth2/OIDC, JWT, mTLS, and containerized deployments on Kubernetes. The candidate should have 5+ years in backend development and a track record delivering enterprise financial services solutions.

Qualifications

• 5+ years of backend development experience with at least 3 years building Spring Boot microservices.

Skills

Java 17+/Spring Boot

Spring Cloud

API design

API security

Microservices

Tools

OpenAPI/Swagger

OAuth 2.0

OIDC

JWT

mTLS

Azure AKS

Azure App Services

Azure Key Vault

Azure DevOps

PostgreSQL

MongoDB

Redis

Kafka

RabbitMQ

OpenShift

Kubernetes

Docker

Istio

Job description

• Strong experience in Java 17+, Spring Boot, Spring Cloud, Spring Security, and Microservices Architecture.

• Hands‑on experience in designing and developing REST APIs, OpenAPI/Swagger specifications, and API lifecycle management.

• Strong knowledge of API security including OAuth 2.0, OpenID Connect (OIDC), JWT, mTLS, and certificate management.

• Experience with Azure services including Azure Kubernetes Service (AKS), Azure App Services, Azure Key Vault, Azure Storage, Application Insights, and Azure DevOps.

• Experience with relational and NoSQL databases such as Oracle, PostgreSQL, SQL Server, MongoDB, and Redis.

• Strong understanding of design patterns, distributed systems, resilience patterns, and fault tolerance mechanisms.

• Knowledge of OWASP Top 10, and secure SDLC practices.

Desired Candidate Profile

• 5+ years of backend development experience with at least 3 years building Spring Boot microservices.

• Proven experience delivering enterprise banking, fintech, payments, digital banking, or financial services solutions.

• Strong understanding of banking integration patterns, API Gateways (Kong, Layer7), and enterprise integration architecture.

• Experience working within regulated environments with strong security, audit, and compliance requirements.

• Experience building highly available and scalable systems supporting mission‑critical customer journeys.

• Understanding of CI/CD, DevSecOps, cloud‑native development, and containerized deployments.

• Experience with Kafka, IBM MQ, Rabbit MQ or other messaging technologies.

• Knowledge of OpenShift, Kubernetes, Docker, Istio Service Mesh, and container orchestration platforms.