Principal Software Engineer

Roc Search; Reading; Hybrid; GBP 100,000 - 125,000; Full time

Job summary

A leading technology solutions firm is seeking a Principal Software Engineer to work on a significant digital modernization program. This role offers the opportunity to lead hands-on complex projects, integrate modern engineering practices, and collaborate with product teams to create user-centric applications. Ideal candidates will have extensive experience with cloud technologies and modern application architectures.

Qualifications

• Over 10 years of software engineering experience.
• Strong foundation in cloud-native development and modern architectures.
• Experience in leading teams and mentoring engineers.

Responsibilities

• Design and build scalable full-stack solutions.
• Lead technical discussions and set standards across teams.
• Implement CI/CD and ensure security compliance.

Skills

Software Engineering

Cloud-native platforms

API design

Microservices

Docker

Kubernetes

TypeScript

Node.js

React/Next.js

Agile methodologies

Job description

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Associate Director - Technology Solutions

Location: Remote (occasional onsite near Reading – likely 3-4 times per month TBC)

Engagement: Statement of Work (Outside IR35)

Rate: Up to £550 per day

Overview:

We are looking for a highly skilled Principal Software Engineer to contribute to a large-scale digital modernisation programme with a leader in their respective space. This is a strategic contract engagement focused on modernising and engineering high-quality digital products for a data-driven platform.

This is a hands-on leadership role ideal for an engineer who thrives in delivering complex, enterprise-grade solutions to high standards. You will be working with a multi-disciplinary product team to build scalable, secure, and user-centric applications.

This is a Statement of Work (SOW) contract, where payment will be made upon the successful completion of clearly defined deliverables agreed with the client.

Key Responsibilities:

• Design and build full-stack solutions with an emphasis on quality, performance, and scalability.
• Apply cloud-native design patterns to build distributed systems aligned with modern software architecture principles.
• Implement CI/CD, automated testing, and engineering best practices across the SDLC.
• Ensure compliance with security, privacy, and data protection standards.
• Collaborate with Platform Engineering to integrate internal tooling and accelerate development cycles.
• Take accountability for the build-and-run responsibilities of the product features you own.

Technical Leadership & Product Involvement

• Act as a senior technical lead across a modernisation programme, ensuring consistency and standardisation across engineering teams.
• Work closely with Product and Architecture to shape product direction and technical strategy.
• Drive the delivery of a modern engineering stack, interfacing with SaaS platforms and custom-built services.
• Support and mentor engineers within the product space, upskilling where needed and maintaining high delivery standards.
• Lead initiatives around existing data and event-reporting tools to improve speed, compliance, and usability.
• Influence product and delivery strategies using modern, rapid-prototyping approaches.
• Engage in internal innovation programmes to drive continuous value creation.

Technical Skills & Experience:

• 10+ years' software engineering experience
• Strong experience with cloud-native platforms
• Solid grasp of modern application architecture patterns: API-first, microservices, 12-factor app, SOA, etc.
• Deep experience with containerisation and orchestration (e.g., Docker, Kubernetes).
• Proven hands-on experience with:
• TypeScript, Node.js, React/Next.js or similar front-end frameworks.
• API design and integration, including authentication and authorisation best practices.
• Strong communication and stakeholder management skills across cross-functional teams.
• Background in data-driven platforms or analytics solutions.
• Experience working within modern product delivery teams using agile methodologies.

Seniority level

• Seniority level

  Not Applicable

Employment type

• Employment type

  Contract

Job function

• Job function

  Information Technology

• Industries

  IT Services and IT Consulting and Software Development

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