Backend/Infrastructure Developer

Jefferson Frank; Remote; GBP 80,000 - 100,000; Full time

Job summary

A recruitment agency is seeking a mid-to-senior level Infrastructure/Backend Developer for a 6-month contract. The role focuses on maintaining a legacy Java/Oracle system and modernising it using cloud technologies. Ideal candidates should have strong backend skills, preferably with SQL, and experience in the NHS or government sectors. Strong communication and Agile teamwork skills are essential.

Qualifications

• Strong backend development experience, ideally with SQL and RDS.
• Proficient in test-driven development and collaborative Agile practices.
• Willingness to learn Python or familiarity with it.

Responsibilities

• Maintain and enhance a monolithic Java application with Oracle PL/SQL.
• Pair with existing developers to understand system architecture.
• Contribute to modernisation efforts and cloud-based development.
• Provide 3rd line support and streamline support operations.

Skills

Backend development

SQL

Problem-solving skills

Communication skills

Stakeholder engagement

Test-driven development

Agile practices

Job description

Infrastructure/ Backend Developer

Contract Type: 6‑month initial engagement
Start Date: 1st December 2025
Location: Remote (UK‑based)
Rate: £350 per day (Inside IR35)
Clearance Required: BPSS prior to start

MUST HAVE NHS OR GOVERNMENT EXPERIENCE

Role Overview

The client is seeking a mid‑to‑senior level contractor with strong backend and infrastructure development experience. The successful candidate will work on maintaining and upgrading a legacy Java/Oracle system, collaborating with existing developers to gain domain knowledge and contribute to modernisation efforts using cloud‑based technologies.

Key Responsibilities

• Maintain and enhance a monolithic Java application with an Oracle PL/SQL database
• Pair with existing developers to understand system architecture and business processes
• Contribute to modernisation efforts and cloud‑based development practices
• Provide 3rd line support and develop tools to streamline support operations
• Apply test‑driven development and CI/CD methodologies in an Agile environment

The ideal candidate will:

• Have strong backend development experience, ideally with SQL and RDS
• Demonstrate excellent problem‑solving skills and a passion for working with data
• Be comfortable working with legacy Oracle PL/SQL code and motivated to improve it
• View legacy systems as an opportunity to gain valuable domain knowledge
• Embrace 3rd line support responsibilities and seek ways to automate and improve support processes
• Be proficient in test‑driven development and collaborative Agile practices
• Have familiarity with Python or a willingness to learn it
• Exhibit strong communication and stakeholder engagement skills

Please send a copy of your CV if you're interested