Senior Backend Engineer - Defence Platform (Hybrid Bath)

Sellick Partnership; Bath; Hybrid; GBP 90,000 - 120,000; Full time

Benefits offered by this job

Competitive salary

Enhanced family leave

25 days annual leave

Life assurance

Company social events

Job summary

Sellick Partnership is recruiting a Senior Backend Engineer for a UK defence multi-year programme in Bath, offering hybrid working with three days onsite. You'll own design and integration of backend services, APIs and data workflows in a hands-on role.

You will shape solutions from loosely defined requirements, lead technical decisions on architecture, security and performance, and mentor colleagues. Applicants must be eligible for UK SC clearance.

Qualifications

• Experience with backend design and API development.
• Strong knowledge of Java and SQL.
• Experience integrating ERP and data platforms.
• Ability to work in a hybrid Bath environment on UK defence programme.

Responsibilities

• Design and build backend services and APIs.
• Develop complex integrations with ERP systems, data platforms and external technologies.
• Work primarily across Java, SQL and modern data/integration tooling.
• Design REST and event-driven integrations.
• Introduce Change Data Capture (CDC) and near-real-time data patterns where appropriate.
• Work with data warehouse/lakehouse environments.
• Make technical decisions around architecture, scalability, security and performance.
• Improve automated testing, CI/CD and observability.
• Take substantial pieces of engineering work from initial design through to production.
• Mentor engineers and contribute to wider backend engineering standards.
• Work with technical and non-technical stakeholders across a major defence programme.

Skills

Java

SQL

API development

REST/EDA

Systems integration

Data lakehouse

CI/CD

Observability

Data design

ERP integration

Job description

Sellick Partnership is recruiting a Senior Backend Engineer for a UK defence multi-year programme in Bath, offering hybrid working with three days onsite. You'll own design and integration of backend services, APIs and data workflows in a hands-on role.

You will shape solutions from loosely defined requirements, lead technical decisions on architecture, security and performance, and mentor colleagues. Applicants must be eligible for UK SC clearance.