Lead Java Developer

Lead Java Developer

Posted 2 days ago by IT WORLD LIMITED

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Negotiable
Undetermined
Undetermined
Leeds, England, United Kingdom
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Amazon Managed Streaming for Apache Kafka (Amazon MSK) Apache Kafka Application Deployment Application Programming Interface (API) AWS Identity And Access Management (IAM) Azure Kubernetes Service Cloud Computing Cloud Storage Cloud Technology Containerisation Continuous Integration and Continuous Delivery DevOps Functional Programming Generic Programming Git (Version Control System) Google Cloud Platform (GCP) Google Kubernetes Engine (GKE) Infrastructure as Code (IaC) Java (Programming Language) Kubernetes Management MongoDB Nice (Unix Utility) Open Web Application Security Project (OWASP) Profiling (Computer Programming) Query Optimisation RabbitMQ Redis Software Development Software Engineering Software Quality (SQA/SQC) Spring Boot SQL (Programming Language) Terraform Verification And Validation Vulnerability Vulnerability Scanning Web SQL Databases

Summary: The Lead Java Developer role is focused on leveraging advanced Java 17 features and frameworks such as Spring Boot to develop robust applications. Candidates are expected to have a strong background in SQL, Apache Kafka, and GCP, along with familiarity in DevOps tooling and software engineering principles. The position is based in Leeds, UK, and emphasizes both mandatory and non-mandatory technical skills.

Key Responsibilities:

  • Develop applications using Java 17 and Spring Boot frameworks.
  • Design and optimize SQL databases and RDBMS schemas.
  • Implement messaging systems and caching strategies.
  • Utilize GCP services for application deployment and management.
  • Apply DevOps practices including CI/CD and containerization.
  • Ensure software quality through testing and observability tools.
  • Adhere to security best practices in software development.

Key Skills:

  • Proficiency in Java 17, Spring Boot, SQL, and RDBMS.
  • Experience with Apache Kafka and GCP services.
  • Familiarity with DevOps tooling such as Git and CI/CD.
  • Understanding of software engineering fundamentals and security practices.
  • Knowledge of non-mandatory technologies like MongoDB and Redis.

Salary (Rate): undetermined

City: Leeds

Country: United Kingdom

Working Arrangements: undetermined

IR35 Status: undetermined

Seniority Level: undetermined

Industry: IT

Detailed Description From Employer:

Job Description: Location: Edinburgh and Leeds, UK.

Mandatory Skills & Experience

  • Java 17: Functional programming features, records, sealed classes, performance considerations.
  • Spring Boot: Auto-configuration, profiles, Spring Data/JPA, WebFlux (nice), validation, actuator.
  • SQL & RDBMS: Schema design, indexes, query optimization, transactions, isolation levels.
  • Apache Kafka: Topic design, partitioning strategy, consumer groups, offsets, retries/DLQ, schema registry/Avro/Protobuf.
  • GCP: Familiarity with Cloud Run or GKE, Cloud SQL, Cloud Storage, Secret Manager, IAM, VPC; cost/perf trade-offs.
  • DevOps Tooling: Git, CI/CD (Jenkins/GitHub Actions/GitLab), Docker; Kubernetes fundamentals; IaC awareness.
  • Software Engineering Fundamentals: DDD concepts, SOLID, testing (unit/integration), performance profiling, and security basics (OAuth2/JWT, OWASP Top 10).

Non-Mandatory (Nice-to-Have):

  • MongoDB (schema design, indexes, aggregation).
  • Messaging systems: RabbitMQ, GCP Pub/Sub, or SQS/SNS.
  • Caching & Performance: Redis, Hazelcast; rate limiting; API gateways (Kong/Apigee).
  • Observability: Prometheus/Grafana, ELK/EFK, OpenTelemetry, distributed tracing.
  • Build & Infra: Maven/Gradle tuning, Helm charts, Terraform, Argo CD.
  • Testing: Testcontainers, WireMock/MockServer, contract testing (Pact), chaos testing basics.
  • Security: mTLS, secrets rotation, vulnerability scanning (Snyk/Trivy), supply chain security.
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