Senior Full Stack Engineer

Senior Full Stack Engineer | Sainsbury's Tech

You’ll be part of one of our Engineering squads working on Ad-tech, interpreting and following architectural and engineering principles, operating frameworks, and new and improved technology and solutions. With your technical craft, curiosity and experimentation, you’ll use judgement to apply specific techniques to deliver focused outcomes that support our customers. 

Nectar and Nectar360 are a core part of Sainsbury’s Business Model, to deliver Loyalty and Rewards programme across Sainsbury’s and Coalition brands investing in what matters to Customers. Using our unmatched Nectar data-set and full encompassing media portfolio we create impactful and relevant customer experiences, connecting our brand partners to their customers. 

As a Full Stack Senior Engineer, you will have the opportunity to create exceptional, high-performance products that deliver an amazing shopping experience to our customers. In an inclusive and agile environment, your curiosity and experimentation will be embraced, allowing you to tackle real-world challenges and see the impact of your work in the hands of millions of people across the UK. 

About the role

As a Full Stack Senior Engineer, you will design and develop scalable, user-friendly web applications, developing Node.js services and React frontends. You'll work across the stack to ensure high performance, collaborating on both front-end and back-end architecture. Leading the design and support of services and internal frameworks that enhance Sainsbury's capabilities will be part of your role. Throughout the whole product lifecycle, including decommissioning, you will demonstrate engineering expertise, knowledge of engineering and architectural principles, and proven experience in software design and implementation, security, cloud, infrastructure as code, and CI/CD. Your drive for continuous improvement, advocacy of agile delivery methodologies, and passion for delivering solutions to customers will shine through in your work. You will display empathy and understanding in supporting your colleagues in the team to deliver, while also keeping yourself up to date with emerging technologies.

• Collaboratively contribute to the design and support of services and internal frameworks.
• Actively participate in research, scoping, and planning activities for the development of new domain and platform capabilities, working closely with engineering and product managers.
• Drive the technical roadmap of the product by deeply understanding technology and broader roadmaps.
• Lead the design and support of services and internal frameworks to enhance Sainsbury’s capabilities.
• Guide, support, and enable performance within the squad by providing technical knowledge and ideas.
• Remove technical blockers for fellow developers with their work by providing your support or connecting with the right people.
• To be a role model that represents all the standards and principles by which developers need to work with 
• Analyse existing operations to identify risks and redundancies, and conduct comprehensive assessments to develop solutions
• Mentor fellow engineers and promote the engineering community of practice through its program of events.

Essential Criteria 

You are a highly skilled professional with expertise in designing and developing highly performant and user-friendly web frontends using technologies such as React.js, Redux, Redux Saga, and Typescript. With a strong background in programming languages like Node, JavaScript, React.JS, Java, SpringBoot, and Golang, you possess a deep understanding of engineering and architectural principles, enabling you to contribute to the product technical roadmap and implement cutting-edge cloud and container technologies. Your passion for continuous improvement, agile/lean delivery methodologies, and delivering solutions to customers drives you to constantly enhance your knowledge and explore emerging technologies. Your collaborative nature and commitment to the DevOps principles enable you to support and empower your colleagues in delivering exceptional results.

• Commercial experience with Node JS ecosystem, including building REST, Typescript, Mono repositories, Github Actions, GraphQL, or tRPC APIs, and React with hooks.
• Experience with AWS Lambda + Serverless, or similar technologies (Azure Functions, Google Functions, etc.).
• Experience with NoSQL Databases, preferably Mongo Atlas.
• Terraform experience is a plus.
• Experience in software design, implementation, security, cloud, infrastructure as code, and CI/CD. Knowledge of relevant hardware is a plus.
• Self-driven with a constant strive for improvement within your team, division, and peers.
• Advocate for agile/lean delivery methodologies.
• Passion for delivering solutions to customers, owning the whole SDLC, and following DevOps principles.
• Passion for enhancing your knowledge and evidence curiosity in emerging tech.

What I need to show

• A positive approach to change
• A solution-focused mindset with creativity and adaptability
• Good communication skills and the ability to navigate complex corporate governance environments
• Attention to detail

Benefits   

As well as lots of on-the-job training and endless opportunities, you’ll get:   

• Colleague discount across our multi-brands – Sainsbury’s, Argos, Tu and Habitat, plus: 
• Holiday allowance   
• Bonus scheme   
• Pension plan 
• Private Health Insurance