Lead Backend Engineer

ASSA ABLOY Group; Birmingham; Hybrid; GBP 90,000 - 130,000; Full time

Benefits offered by this job

Flexible hours

Pension scheme

Time for personal projects

Job summary

ASSA ABLOY Group in Solihull, UK is seeking a Lead Backend Engineer to drive the backend stack and API design. You will lead a team, collaborate with product managers, and contribute to AI-powered enhancements for access control and workforce management solutions.

The role is hybrid with 2-3 days in the office and a strong emphasis on delivering high-quality, scalable software. The ideal candidate has a solid C++ background, proven leadership, and experience with AI/ML-powered tools, scalable

Qualifications

• Bachelor's or Master's in Computer Science, Engineering, or related field.
• Strong proficiency in C++, thorough knowledge of the standard library (STL), and algorithms.
• Experience with AI/ML-powered solutions and familiarity with LLMs and AI frameworks.
• Knowledge of AI system architecture, prompt engineering, vector databases, RAG, and AI service integration.

Responsibilities

• Lead backend development and ownership of the backend stack and APIs.
• Collaborate with product managers, architects, and QA to design, develop, and maintain backend systems.
• Provide technical leadership on AI adoption and contribute to API design discussions.
• Lead and mentor a team of backend engineers, ensuring timely delivery and code quality.
• Facilitate sprint planning, stand-ups, and retrospectives, optimize queries, and ensure scalable systems.

Skills

C++

AI/ML

Team leadership

Backend development

Education

Bachelor's or Master's in CS/Engineering

Tools

STL

REST APIs

SQL

Job description

Can you bring your strong backend development skills to our team? Join our team in Solihull, UK and enjoy a collaborative culture that empowers you to build a career you can be proud of. This role is hybrid.

What you would do as our Lead Backend Engineer

Biosite provides biometric access control and workforce management software solutions for the construction industry and Biosite is expanding the team and is looking for a Lead Backend Engineer to support its growth journey. Joining the R&D team, the Lead Backend Engineer, reporting directly to the Head of Software, will play an essential role in R&D to drive profitable and sustainable growth, whilst upholding company values.

We are seeking a highly skilled and experienced Lead Backend Engineer to join our dynamic team. The ideal candidate will be an expert in C++, with a passion for building scalable, high-quality applications. The Lead Backend Engineer will be responsible for leading the development of the backend stack, ensuring best practices are followed, and collaborate closely with front-end engineers and the Product team to deliver highly efficient systems.

You would also:

• Collaborate with product managers, architects, and other stakeholders to define technical requirements and design, develop, and maintain backend systems that power our access control and security solutions
• Evaluate , develop, and implement AI-powered tools and solutions to enhance products, engineering productivity, and operational efficiency and optimize performance, scalability, and reliability of our APIs and services
• Stay current with emerging AI technologies and provide technical leadership on the adoption of AI best practices across the team and participate in API design discussions and contribute to the evolution of our platform
• Lead and assist a team of backend engineers, fostering a collaborative, high-performing engineering culture and own technical delivery for backend projects, ensuring work is well-planned, tracked, and delivered on time
• Facilitate sprint planning, stand-ups, and retrospectives in collaboration with product and delivery teams and identify bottlenecks, optimize database queries, and improve system efficiency, write unit tests, participate in code reviews and collaborate with QA engineers to ensure high-quality software releases

The Skills And Experience You Need

We are looking for someone who:

• Has a Bachelor’s or Master’s degree in Computer Science, Engineering, or a related field and has proven experience as a Lead Backend Engineer or similar role.
• Has strong proficiency in C++, with fair knowledge of the language specification and thorough knowledge of the standard library, STL containers, and algorithms.
• Has experience developing, integrating, or deploying AI/ML-powered solutions and is familiar with Large Language Models (LLMs), AI-assisted development tools, and modern AI frameworks.
• Has understanding of AI system architecture, prompt engineering, vector databases, RAG (Retrieval-Augmented Generation), and AI service integration and has experience evaluating
• Has knowledge of database systems and excellent problem-solving skills and a proactive attitude.

What We Offer

We’re passionate about providing amazing opportunities and benefits, so you can continue and progress a lifelong career with us – here’s what we have to offer:

• Salary commensurate with experience.
• Flexible hours, 37.5 hours a week with core hours between 10am and 4pm (GMT/BST).
• 24 days leave, increasing 1 day/year after 2 years of employment.
• The role is hybrid with at least 2-3 days per week expected at our modern purpose-built offices in Solihull, UK.
• Company pension scheme.
• 10% time available to work on your own projects and ideas.

We are building diverse, inclusive teams, and encourage applications from everyone who can see themselves working with us.

To make sure your personal data is safe, we don’t look at any applications sent by email or post. If you have any questions about the role or the process, email Monika Fikrová, Talent Acquisition Business Partner, at [e-mail]

Let’s create a safer and more open world - together!

To find out more about us, visit www.assaabloy.com

We are the ASSA ABLOY Group

Our people have made us the global leader in access solutions. In return, we open doors for them wherever they go. With nearly 63,000 colleagues in more than 70 different countries, we help billions of people experience a more open world. Our innovations make all sorts of spaces – physical and virtual – safer, more secure, and easier to access.

As an employer, we value results – not titles, or backgrounds. We empower our people to build their career around their aspirations and our ambitions – supporting them with regular feedback, training, and development opportunities. Our colleagues think broadly about where they can make the most impact, and we encourage them to grow their role locally, regionally, or even internationally.

As we welcome new people on board, it’s important to us to have diverse, inclusive teams, and we value different perspectives