Senior Java Backend Developer - GCP

Senior Java Backend Developer - GCP

Posted 2 days ago by W3Global

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£400 Per day
Undetermined
Hybrid
Leeds, England, United Kingdom
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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 Docker (Software) Functional Programming Generic Programming Git (Version Control System) Google Cloud 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 Senior Java Backend Developer role requires over 15 years of experience, focusing on Java 17 and GCP technologies. The position is a 6-month hybrid contract based in Leeds, UK, with a strong emphasis on hands-on experience with Google Cloud Platform. Candidates must possess a deep understanding of various backend technologies and software engineering principles.

Key Responsibilities:

  • Develop and maintain backend applications using Java 17 and Spring Boot.
  • Design and optimize SQL databases and RDBMS schemas.
  • Implement messaging systems and caching strategies.
  • Utilize GCP services effectively for application deployment and management.
  • Apply DevOps practices including CI/CD and containerization.
  • Ensure software quality through testing and performance profiling.

Key Skills:

  • Java 17, Spring Boot, SQL & RDBMS.
  • Apache Kafka, GCP services (Cloud Run, GKE, Cloud SQL).
  • DevOps tooling (Git, CI/CD, Docker, Kubernetes).
  • Software engineering fundamentals (DDD, SOLID, testing).
  • Non-mandatory skills: MongoDB, RabbitMQ, Redis.

Salary (Rate): £400.00/daily

City: Leeds

Country: United Kingdom

Working Arrangements: hybrid

IR35 Status: undetermined

Seniority Level: Senior

Industry: IT

Detailed Description From Employer:

Job Title: Senior Java Backend Developer

Experience: 15+ Years

Work Location: Leeds, UK

Employment Type: 6 Months Contract

Hybrid- 3 days/week onsite

GCP hands on is mandatory.

Job Description

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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