Software Engineer

About the RoleViable Solutions is seeking an experienced Java Spring Boot Developer to join our team and deliver high-quality, scalable backend solutions for enterprise clients. You will be responsible for designing, developing, and maintaining Java-based microservices and REST APIs using the Spring Boot framework. This is a great opportunity for someone with strong Java and Spring Boot expertise who enjoys building robust, high-performance enterprise applications in a collaborative Agile environment.
Key Responsibilities Backend DevelopmentDesign, develop, and maintain scalable Java applications and microservices using Spring BootBuild and expose RESTful and GraphQL APIs for consumption by frontend and third-party systemsDevelop and maintain backend business logic, service layers, and data access layersImplement and manage Spring Framework components — Spring MVC, Spring Security, Spring Data, and Spring CloudWrite clean, maintainable, and well-tested code following SOLID principles and best practicesMicroservices & ArchitectureDesign and implement microservices architecture — service decomposition, communication, and resilience patternsImplement inter-service communication using REST, gRPC, or message brokersWork with message brokers — Apache Kafka, RabbitMQ, or ActiveMQImplement service discovery, API gateway, and circuit breaker patternsDesign for scalability, high availability, and fault toleranceDatabase & ORMDevelop and optimise database interactions using Hibernate and JPAWork with relational databases — PostgreSQL, MySQL, or OracleWork with NoSQL databases — MongoDB, Redis, or DynamoDBWrite complex SQL queries, stored procedures, and database migrationsImplement database versioning and schema management — Flyway or LiquibaseSecurityImplement application security using Spring SecurityDevelop and manage OAuth 2.0, OpenID Connect, and JWT authentication and authorisationEnsure API security, input validation, and protection against common vulnerabilities — OWASP Top 10Implement secrets management and secure configuration practicesCloud & DevOpsDeploy and manage Java Spring Boot applications on AWS — EC2, ECS/EKS, Lambda, and Elastic BeanstalkBuild and maintain CI/CD pipelines — Jenkins, GitHub Actions, or Azure DevOpsContainerise applications using Docker and orchestrate with KubernetesImplement infrastructure as code — Terraform or AWS CloudFormationSupport monitoring and observability — CloudWatch, Prometheus, Grafana, or DatadogTesting & QualityWrite comprehensive unit and integration tests using JUnit, Mockito, and TestContainersImplement contract testing and API testing — Pact or RestAssuredConduct code reviews and contribute to engineering standardsEnsure code quality using static analysis tools — SonarQube or Checkstyle
Required Skills & Experience5–8+ years of hands-on Java development experienceStrong proficiency in Java 11/17+ — object-oriented, functional, and concurrent programming (mandatory)Strong proficiency in Spring Boot — REST API development, microservices, and enterprise application design (mandatory)Deep knowledge of Spring Framework — Spring MVC, Spring Security, Spring Data, and Spring CloudExperience with Hibernate and JPA — ORM and database integrationStrong SQL skills — complex querying, stored procedures, and performance tuningExperience with message brokers — Apache Kafka, RabbitMQ, or ActiveMQExperience with Docker and Kubernetes — containerisation and orchestrationHands-on AWS experience — EC2, ECS/EKS, Lambda, S3, RDS, or similarExperience with CI/CD tools — Jenkins, GitHub Actions, or Azure DevOpsStrong understanding of microservices architecture and design patternsExperience with unit and integration testing — JUnit and MockitoExperience working in Agile / Scrum delivery environments