Senior Backend Engineer (Java) at Ventula Consulting, Manchester, £700 per day

Senior Backend Engineer (Java)

One of the world's leading E-commerce travel platforms are hiring for a Senior Backend Engineer.

Role Overview

We are looking for a Senior Backend Engineer to design, build, and evolve scalable, reliable, and high-performance Back End services.
This role is suited for engineers who can quickly understand complex distributed systems, make sound technical decisions, lead implementation of large initiatives, and consistently deliver production-ready software with minimal supervision. In addition to hands-on development, you will help drive technical excellence through architecture, code quality, and mentoring.

Able to become productive within the first few weeks.
Comfortable working in large, existing codebases.
Strong engineering fundamentals and pragmatic decision making.
Excellent debugging and problem-solving skills.
Clear written and verbal communication.
Advanced Claude and Codex usage.
Reliable delivery with minimal supervision.
Able to estimate work realistically and communicate risks early.
Comfortable working in fast-paced Agile environments.

Responsibilities
Design, implement, and maintain scalable Back End services and APIs.
Lead the technical implementation of medium to large engineering initiatives.
Design resilient, observable, and fault-tolerant distributed systems.
Write clean, maintainable, and well-tested Java code.
Review technical designs and provide architectural guidance.
Troubleshoot complex production issues and perform root cause analysis.
Improve system performance, reliability, scalability, and operational excellence.
Drive engineering best practices, code quality, and testing standards.
Participate in code reviews and mentor other engineers.
Contribute to CI/CD pipelines, deployment automation, and operational tooling.
Collaborate closely with product managers, Front End engineers, and infrastructure teams.

Must Have
5+ years of professional Back End development experience.
Strong expertise in Java and Spring Boot.
Extensive experience designing and building REST APIs.
Strong experience with distributed systems and microservice architectures.
Experience with Kubernetes and containerized applications.
Experience with Kafka or similar messaging technologies.
Experience with relational databases and data modelling.
Strong understanding of scalability, reliability, resiliency, and fault tolerance.
Experience with observability, monitoring, logging, and alerting.
Experience writing unit, integration, and end-to-end tests.
Strong debugging and production troubleshooting skills.
Experience with CI/CD pipelines and production deployments.
Ability to drive technical solutions independently.
Strong code review and mentoring experience.
Excellent communication and collaboration skills.

Th contract offers up to £700 per day outside of IR35, 1 day per week in Manchester is required. 6 months followed by extensions.