Senior Developer

DECILLION DIGITAL LIMITED; East Midlands; On-site; GBP 55,000 - 65,000; Full time

Job summary

A leading digital solutions provider in the UK is looking for a Senior Developer. This role involves designing, developing, and maintaining rulebases and integrations using Java, Python, or .NET technologies. The ideal candidate will have 5 to 8 years of experience and a strong understanding of REST APIs, Azure services, and SQL Server. The company values leadership, teamwork, and quality in outputs, offering a competitive salary between GBP 55,000 and GBP 65,000 per annum.

Qualifications

• 5 - 8 years of experience in software development.
• Hands-on experience with rule-management platforms is highly preferred.
• Strong analytical and problem-solving skills.

Responsibilities

• Design, develop, and maintain rulebases and system integrations.
• Build and deploy RESTful APIs and secure data pipelines.
• Collaborate with teams to ensure deliverables meet quality requirements.
• Conduct code reviews and enforce development best practices.
• Diagnose issues and optimize performance.

Skills

Oracle Intelligent Advisor

REST APIs

Azure cloud services

SQL Server

Azure Data Lake

Agile methodologies

CI/CD pipelines

Analytical skills

Problem-solving skills

Communication skills

Job description

Reference: DD252134_048

Vacancy: 1

Job title: Senior Developer

Location: Leicester

Salary: GBP 55000 to GBP 65000 per annum

Published Date: 04 December 2025

Closing Date: 03 January 2025

Clearance: BPSS (required or eligible)

Experience: 5 - 8 years

Job Description (Main Duties and Responsibilities)

• Design, develop, and maintain rulebases and system integrations using Java, Python, or .NET technologies.
• Build and deploy RESTful APIs, microservices, and secure data pipelines in line with enterprise architecture principles.
• Collaborate with architects, business analysts, and QA teams to ensure all deliverables meet agreed quality, compliance, and accessibility requirements.
• Conduct code reviews, enforce development best practices, and ensure adherence to security standards.
• Diagnose issues, optimize performance, and enhance complex rulebases and integration components.

Key Skills, Qualifications and Experience Needed

• Hands-on experience with Oracle Intelligent Advisor (OIA) or a comparable rules-management / decisioning platform (highly preferred).
• Strong understanding and practical experience with REST APIs, Azure cloud services, SQL Server, and Azure Data Lake.
• Familiarity with Agile methodologies, CI/CD pipelines, and enterprise governance processes.
• Excellent analytical and problem-solving skills, with the ability to optimise systems and integrations at scale.

Other Key Skills

• Good analytical and Problem-solving skills
• Good communication skills
• A thorough approach and Self starter
• Focus on quality and delivery
• Working together in teams.
• Leadership and effective decision making.
• Flexible Attitude
• Excellent customer service