Back End Engineer

The Nottingham; Nottingham; Hybrid; GBP 65,000 - 70,000; Full time

Job summary

A community-focused building society in Nottingham seeks a Backend Engineer to develop secure and scalable backend services using Node.js, Python, and C#. The role emphasizes high-quality code, API design, and collaboration with cross-functional teams. Candidates should have strong technical skills and a commitment to best practices. The position offers a competitive salary up to £70,000, hybrid working flexibility, and a supportive work environment fostering continuous development and diversity.

Benefits

Competitive package including salary and bonus

Health and wellbeing resources

29 days holiday plus bank holidays

Career growth opportunities

Friendly and inclusive culture

Paid volunteering days

Financial coaching tools

Qualifications

• Strong understanding of backend principles and best practices.
• Experience with Node.js, Python and/or C# in production environments.
• Skilled in API design, data modelling and service integration.
• Familiar with cloud architectures and modern CI/CD practices.
• Committed to building secure, reliable and performant systems.
• Comfortable troubleshooting across code, infrastructure and integrations.
• Clear communicator with both technical and non-technical colleagues.
• Works well in Agile environments, embraces feedback and continuous improvement.

Responsibilities

• Design, develop and support backend services using Node.js, Python and C#.
• Deliver well-structured APIs and integrations with internal and third-party systems.
• Produce clean, testable and maintainable code that meets agreed engineering standards.
• Contribute to design discussions and help define scalable, secure solutions.
• Maintain security, resilience and performance across all backend services.
• Investigate and resolve production incidents while improving service health.
• Participate in code reviews, share feedback and enhance CI/CD delivery pipelines.
• Work closely with cross-functional teams and contribute to documentation and continuous improvement.

Job description

About The Role

Contract type: Permanent, Full-time Hours: Full-time, 35 hours Location: Head Office, Nottingham (Hybrid working, minimum 2 days per week) Salary: Up to £70,000 depending on experience. Application process: Please apply via the application button which will direct you to our careers site. If you require any adjustments to assist you in applying, please contact [e-mail]

Join our team and help shape reliable, secure and scalable backend services that power exceptional experiences for our customers and colleagues.

You will collaborate with Product teams, Frontend Engineers and technical leaders to design and deliver APIs and services that meet high standards and regulatory expectations. From technical design to implementation and operational support, you will play a key role in ensuring quality and performance.

We are looking for someone who takes pride in code quality, service health and continuous improvement, contributing to a culture of strong engineering discipline and practical delivery.

Here’s a taste of what you will be doing as a Backend Engineer (C# Node Python) at Nottingham Building Society:

• Build and Maintain Services – Design, develop and support backend services using Node.js, Python and C#.
• Create Robust APIs – Deliver well‑structured APIs and integrations with internal and third‑party systems.
• Write Quality Code – Produce clean, testable and maintainable code that meets agreed engineering standards.
• Shape Technical Solutions – Contribute to design discussions and help define scalable, secure solutions.
• Ensure Service Reliability – Maintain security, resilience and performance across all backend services.
• Support Operations – Investigate and resolve production incidents while improving service health.
• Champion Best Practices – Participate in code reviews, share feedback and enhance CI/CD delivery pipelines.
• Collaborate and Share Knowledge – Work closely with cross‑functional teams and contribute to documentation and continuous improvement.

About you

• Strong Engineering Foundations – Solid understanding of backend principles and best practices.
• Hands‑On Technical Skills – Experience with Node.js, Python and/or C# in production environments.
• API and Integration Expertise – Skilled in API design, data modelling and service integration.
• Cloud and Deployment Knowledge – Familiar with cloud architectures and modern CI/CD practices.
• Security and Performance Awareness – Committed to building secure, reliable and performant systems.
• Problem‑Solving Ability – Comfortable troubleshooting across code, infrastructure and integrations.
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• Effective Communication – Clear communicator with both technical and non‑technical colleagues.
• Adaptable and Collaborative – Works well in Agile environments, embraces feedback and continuous improvement.

Reward & Benefits

• Competitive Package – Fair salary benchmarked against market data, annual discretionary bonus, and 29 days holiday plus bank holidays.
• Health & Wellbeing – Access to Medicash healthcare, mental health first‑aiders, and a suite of wellbeing resources to support you inside and outside of work.
• Work‑Life Balance – 35‑hour working week for full‑time roles, with flexibility to help you perform at your best.
• Career Growth – Ongoing personal and professional development, we’ll support your ambitions and help you grow your potential.
• Inclusive Culture – Be part of a friendly, values‑led team that genuinely cares about doing the right thing for colleagues and customers.
• Giving Back – Use two paid volunteering days each year to support causes close to your heart, through our Samuel Fox Foundation.
• Sustainability Focus – Join a business committed to reducing its carbon footprint and making a positive impact on the environment.
• Free access to Octopus Money – Financial coaching & tools that help you plan, manage, and make the most of your money.

Embracing Diversity Together

We proudly embrace and celebrate diversity as a fundamental cornerstone of our values. We believe that a diverse and inclusive workplace is not just essential for our success but is also a reflection of the vibrant communities we serve. Our commitment to diversity extends beyond our internal culture to the way we approach advertising and engage with our customers.

Our commitment means actively working to eliminate barriers and biases that may hinder equal opportunities within our organisation. We strive to ensure that all individuals, regardless of background, have an equal chance to thrive and advance in their careers.

We acknowledge that diversity is not just a goal to be achieved but a continuous journey toward creating an environment that embraces differences and promotes equal opportunities for all. We are committed to fostering an inclusive culture that encourages collaboration, creativity, and a sense of belonging for every member of our community.

About Us

We are a mutual, which means we don’t have shareholders. Instead, we’re owned by our members and use our money to do good, investing in our community, responsible causes, and – well, you. So we’re always striving to do the right thing for our team, communities and members.

Although our history spans over 170 years, our purpose of helping our members save, plan for and protect their financial futures is enduring. At The Nottingham Building Society, we are dedicated to overcoming obstacles and turning challenges into opportunities. At the heart of our mission is our unwavering commitment to breaking down barriers and building better futures by helping our customers achieve the significant milestone of owning their own home.