Senior Software Developer

TESTQ; United Kingdom; On-site; GBP 60,000 - 80,000; Full time

Job summary

A technology firm in the United Kingdom is seeking a Senior Software Developer to design and deliver enterprise-grade software components, APIs, and cloud solutions. This role involves leading technical projects, mentoring teams, and ensuring compliance with security standards. Ideal candidates should have 8-12 years of experience, strong skills in REST APIs and Azure services, and a proven track record in technical leadership within enterprise environments.

Qualifications

• 8 - 12 years of experience as a Lead Software Developer.
• Hands-on experience with REST APIs and Azure services.
• Experience in mentoring development teams.

Responsibilities

• Develop and maintain rulebases and system integrations.
• Build RESTful APIs and microservices.
• Lead technical discussions and code reviews.

Skills

REST APIs

Azure services

SQL Server

Docker

Oracle Intelligent Advisor

Enterprise solution architecture

Agile delivery

Tools

Terraform

Azure Monitor

CI/CD tools

Job description

Position: Senior Software Developer
Location: United Kingdom
Clearance Requirement: BPSS cleared or eligible
Experience Level: Lead: 8 - 12 years

Role Overview

We are looking for highly skilled Senior Software Developer to design, develop, and deliver enterprise‑grade software components, integrations, and cloud‑based solutions. The roles involve working on rulebases, APIs, microservices, and Azure cloud services, ensuring compliance with security, accessibility, and governance standards.

The Lead Software Developer will additionally provide technical leadership, architectural guidance, and team mentorship, collaborating closely with cross‑functional teams and UK‑based stakeholders.

Key Responsibilities

• Develop and maintain rulebases and system integrations using Java, Python, or .NET.
• Build RESTful APIs, microservices, and secure data flows aligned with enterprise architecture.
• Collaborate with architects, analysts, and QA teams to meet quality, security, and accessibility standards.
• Conduct code reviews, troubleshoot issues, and optimize system performance.
• Participate in Agile delivery and support continuous improvement.
• Provide technical leadership and mentorship to development teams.
• Define and implement solution architectures for complex integrations.
• Lead code reviews, enforce secure development practices, and ensure architectural consistency.
• Mitigate technical risks and resolve escalated technical issues.
• Collaborate with senior stakeholders, including UK‑based teams, on delivery, governance, and architectural decisions.

Essential Skills & Experience

• Experience with Oracle Intelligent Advisor (OIA) or similar rule‑based platforms (preferred).
• Strong hands‑on experience with REST APIs, Azure services, and SQL Server / Azure Data Lake.
• Familiarity with Agile delivery, CI/CD pipelines, and enterprise governance frameworks.
• Strong analytical, problem‑solving, and performance optimization skills.
• Proven technical leadership experience in enterprise projects.
• Expertise in enterprise solution architecture, cloud design, and DevOps practices.
• Experience mentoring teams and guiding complex technical delivery.
• Experience with containerization (Docker) and orchestration (AKS).
• Knowledge of Infrastructure as Code (Terraform, ARM templates, Bicep).
• Familiarity with enterprise messaging systems (Azure Service Bus, Kafka, RabbitMQ).
• Understanding of event‑driven architectures, monitoring/logging tools (Azure Monitor, Application Insights, ELK), and CI/CD automation.
• Optional exposure to frontend frameworks (React, Angular) and accessibility standards (WCAG).