Senior Developer

Nettitude Group; Birmingham; Remote; GBP 75,000 - 110,000; Full time

Job summary

LRQA is seeking a Senior Developer to join the engineering team, focusing on scaling the global client portal. You will design and deliver robust .NET 10 backend services and APIs, moving data access to modern REST-based services while owning the technical outcomes that improve client experience.

As a senior contributor, you will mentor teammates in a small Scrum team, drive secure, high-quality delivery, and apply innovative technologies where appropriate.

Qualifications

• Minimum 6 years of commercial software engineering experience.
• Strong experience with C# and .NET (incl. .NET 10) in production.
• Experience building ASP.NET Core APIs and secure API development.
• Good Azure hosting/operational delivery experience.
• Strong SQL skills and caching with Redis.
• Familiarity with FluentValidation and modern identity platforms (Auth0).
• CI/CD pipelines using Azure DevOps; AI in engineering practice welcomed.
• Knowledge of OpenTelemetry and vertical slice architecture.
• Experience evolving a product in a fast-moving environment.

Responsibilities

• Drive delivery of new portal capabilities and client value.
• Design, build, and maintain high-quality .NET 10 backend services and APIs.
• Lead migration of data access to modern REST-based services.
• Own architecture and implementation decisions for the portal.
• Maintain code quality via standards, reviews, and practices.
• Collaborate with product, engineering and business stakeholders.
• Apply secure and resilient engineering practices across delivery.
• Monitor AI opportunities to improve outcomes; apply pragmatically.
• Act as senior technical contact for the product area and mentor teammates.

Skills

C# / .NET

ASP.NET Core

Azure

SQL (PostgreSQL/SQL Server)

Redis

FluentValidation

Auth0 / Identity

CI/CD (Azure DevOps)

AI in engineering

OpenTelemetry

Vertical Slice Architecture

Product ownership

Tools

Azure DevOps

Job description

Location:UK : Home Based
Position Category:Information Technology
Position Type:Employee Regular

Senior Developer

Role Purpose:

The Senior Developer is a permanent member of the LRQA engineering team, focused on scaling the global client portal product. The platform foundation is in place, and this role will help lead the next phase of growth in capability, performance, and market readiness.This role is responsible for designing and delivering robust backend solutions in .NET 10, helping move data access away from legacy databases/endpoints toward modern REST APIs, and owning technical outcomes that directly improve client experience.

Key Responsibilities:

• Drive delivery of new portal capabilities that improve client value and product adoption.
• Design, build, and maintain high-quality .NET 10 backend services and APIs.
• Lead migration of data access from legacy application/database endpoints to modern REST-based services.
• Take strong ownership of architecture and implementation decisions for the next chapter of the portal.
• Ensure high code quality through clear standards, code reviews, and maintainable engineering practices.
• Partner with product, engineering, and business stakeholders to translate requirements into scalable technical solutions.
• Apply secure and resilient engineering practices across development and delivery (DevSecOpsmindset).
• Monitor emerging technology trends, including AI opportunities and risks, and pragmatically apply them to improve engineering outcomes.
• Act as a senior technical point of contact for the product area.
• Mentor and support teammates within a small Scrum team environment.

Key health and safety responsibilities:

Eliminate or minimise employee exposure to risks by reviewing, regularly, the health and safety risk register, applying appropriate controls, communicating results of risk assessment and ensuring health and safety is considered in the planning and execution of all LRQA activities.

Manage your own and your team's compliance with health and safety rules, instructions, systems and legal requirements, ensuring employees are suitably trained and adequate resources are available to work safely.

Monitor and review health and safety performance, observe safety behaviours in the workplace, taking appropriate corrective and preventive action as necessary and suggesting and implementing improvement activities.

Key Stakeholders:

• Lead Back End Engineer
• Product Owners
• QA
• DevOps/Platform
• Head of Development
• Security
• Business Stakeholders including product owners

Technical / Professional Qualifications / Requirements:

Technical:

• Minimum 6 years of commercial software engineering experience.
• Strong commercial experience with C# and .NET (including .NET 10) in production environments.
• Strong experience building ASP.NET Core APIs.
• Good Azure platform experience for application hosting, integrations, and operational delivery.
• Strong SQL capability (PostgreSQL and/or SQL Server), including performance-minded data access patterns.
• Practical experience with Redis caching strategies.
• Experience implementing robust validation patterns (includingFluentValidation).
• Strong understanding of secure API development and modern authentication/authorisation approaches (including Auth0 or equivalent identity platforms).
• Experience working with CI/CD and delivery pipelines (including Azure DevOps).
• Experience applying AI in day-to-day engineering practice to improve quality, productivity, and delivery outcomes.
• OpenTelemetry implementation experience.
• V ertical Slice Architecture experience.
• Experience owning and evolving a product over time in a fast-moving environment.

Professional:

• Self-starter with strong ownership mindset and a bias for action.
• Strong communication skills and ability to engage effectively with technical and non-technical stakeholders.
• Demonstrable code quality focus and commitment to engineering excellence.
• Comfortable working in a small Agile/Scrum team and contributing across the full delivery lifecycle.
• Motivated by delivering great client outcomes through both technology and execution quality.
• Ability to identify and manage technical risk and opportunity as the product scales.

Working practices:

• Agile / Scrum
• Code reviews
• DevSecOps mindset

Hiring process:

• Initial screening
• Technical interview
• T ake-home coding exercise
• Final panel interview, including coding exercise discussion

Who are LRQA?

LRQA is a leading global assurance partner, combining deep industry expertise with innovative solutions to help organizations manage risk, improve performance, and drive sustainable growth.

Operating in over 50 countries with a team of 2,500+ professionals, we support more than 60,000 clients worldwide through assurance, certification, cybersecurity, inspection, and training services.

Our purpose is simple: to help businesses build a safer, more secure, and more sustainable future.

What We Offer:

Join a global team where your expertise is valued and your development is supported.

• collaborative work environment
• opportunities for professional growth
• flexible working arrangements where applicable
• a competitive salary aligned with the market
• a comprehensive benefits package

Pre-Employment Checks:

If you are successful in securing a role with us, we may carry out pre-employment checks, as permitted by local law, including verification of identity, right to work, employment history, education, and criminal records where applicable.

These checks are conducted by our trusted screening partner, Cfirst, in compliance with applicable data protection laws. Any personal data collected will be used solely for recruitment purposes, stored securely, and retained only as required.

We are on a mission to be the place where we all want to work and we are passionate about embracing different perspectives because we understand the value this brings to our business, our clients and each other. We are all about creating a safer and more sustainable future and our inclusive culture is right at the heart of our business.

Together our employees make our communities better and we want you to be part of our diverse team!

LRQA is a leading global assurance provider. The integrity and expertise we bring to our partnership with clients support their journey to a safer, more secure and more sustainable future. ( Group entities ).