hackajob is partnering directly with NEXT to hire for this role. We are hiring
a Senior Developer
to join our teams in the
Doncaster
hub. You will be placed at the heart of the customer journey, managing the secure, high-volume systems that power
Payments ,
Delivery , and
Customer Registration
for one of the largest online retail platforms in the UK. Your code will directly handle millions of transactions, supporting over 10 million active customers across more than 150 international sites. You will join our
Checkout Delivery
team, focusing on the crucial step of delivery selection, working with external services to provide accurate options and expectations for our global customer base. Solving complex logistical problems by orchestrating real-time delivery logic, working with external services to provide accurate and globally scalable options across 70+ international markets. What You'll Take On: You will be a key player in our multi-year strategic programme to refactor core monolith functionality into modern, cloud-native services. This role is not just maintenance; it is
platform engineering
at retail scale, requiring an active contribution to technical design, architecture review, and the implementation of resilient, highly-available systems in
Azure . You will work on highly visible features as part of cross-functional projects. This involves engaging with complex, mixed codebases - from legacy monoliths to modern, cloud-based architectures. This role requires pace, technical expertise, and a can-do attitude to meet hard deadlines and deliver high-impact, performant features. Key Responsibilities: Software Delivery:
Write, test, and deploy high-quality code from concept through to delivery and beyond. Problem Solving:
Apply imaginative solutions to complex problems in a demanding, fast-paced retail environment. Collaboration:
Work effectively with Product Owners and necessary departments across the business. Support:
Provide development support to internal users and offer out-of-hours cover on a rota basis. Improvement:
Continually feedback your expertise and experience to help drive internal best practices. You'll be doing all this from our office in
Doncaster . A fast-paced, encouraging and supportive environment in which everyone brings an energy and a commitment to delivering for our customers and their own careers. Our Product-led teams operate with a high degree of autonomy. Developers own the full lifecycle of their features, from technical design and code review to automated deployment and production monitoring (DevOps culture). You will be empowered to drive the technical direction of your specific product area. What You'll Bring: Required Technical Stack Proficient in Microsoft-based technologies such as
ASP.NET MVC, WCF Services, Web API and Azure. Experience in
SQL Server. Familiar with
TypeScript
and common JavaScript frameworks such as
React. Knowledge of other modern concepts and practices, including
Observability ,
automation , and
DevOps . A strong commitment to quality: you
defensively code ,
inject dependencies , and understand the vital importance of
unit testing . Cultural and Leadership Fit A confident
team player
who brings energy, embraces a challenge, and contributes actively to team success. Strong, structured communication skills to present technical information clearly to peers and stakeholders. A commitment to driving pace and quality, demonstrating the "can-do" attitude required to meet hard deadlines. Mentoring skills to actively support the growth and development of junior team members. Technical Direction : Help direct the team's technical approach, ensuring quality and alignment with the wider company strategy.
TPBN1_UKTJ
Senior Developer - Doncaster in London employer: Hackajob Ltd
JPMorgan Chase is an exceptional employer, offering a dynamic work environment where innovation and collaboration thrive. As a Lead Site Reliability Engineer, you will not only tackle complex challenges but also benefit from extensive professional development opportunities and a strong commitment to diversity and inclusion. Located in a global financial hub, you'll be part of a team that values your expertise and encourages a culture of continuous improvement and technical excellence.
