Job Description

Lead Backend Developer (TypeScript)

TypeScript I AWS I Lead

I Software Engineering

London/Hybrid

Slalom is a global, human-centric business and technology consulting firm. We specialise in partnering with organisations that aspire to excellence, helping them tackle complex challenges and achieve transformative results through strategy, technology, and business transformation services. By prioritising people, Slalom creates a unique consulting experience, with a team of strategists and engineers delivering practical, end-to-end solutions that drive impactful outcomes for our clients. We empower people and organisations to dream bigger, move faster, and build better tomorrows for all.


Our Software Engineering team builds the core applications and services that power our products and deliver value to users around the world. We focus on creating scalable, secure, and high-performance systems that enable rapid innovation and seamless user experiences. By leveraging modern engineering practices and cloud-native technologies, we aim to reduce complexity, accelerate delivery, and continuously improve our platforms.


We're excited to welcome three Software Engineering Leads/Architects to our London team to help drive forward our mission of building world-class software.

Life as a Lead Software Engineer:

A Software Engineering Lead/Architect plays a fundamental role in shaping and delivering amazing software solutions to client challenges during discovery and delivery. You will partner with clients to understand the technical and functional challenges they are facing as well as develop implementation and delivery plans that take advantage of emerging technologies at scale. During client delivery you will collaborate with Solution Owners, Quality Engineers and Experience Designers to ensure that world class user experiences are understood, validation procedures are aligned and automation components are delivered.


Within our capability you'll be seeking to develop and grow your skills, guide and mentor less experienced team members whilst advocating for progression of our capability on exciting frontiers such as Machine Learning and Generative AI.

Specifically, you will:

Design and implement efficient, scalable backend services and APIs using TypeScript and modern architectural patterns. Develop and maintain database schemas and data models, supporting both SQL and NoSQL systems. Write clean, maintainable, and well-documented code, following best practices and coding standards. Design and implement GraphQL APIs, ensuring efficient data access and strong typing. Drive containerisation strategies using Docker and orchestrate deployments via Kubernetes or AWS ECS/EKS. Engineer secure, scalable cloud infrastructure on AWS, leveraging services like API Gateway, Lambda, AppSync, Fargate, DynamoDB, and RDS. Establish and evolve CI/CD pipelines using GitHub Actions, Terraform, and AWS-native tooling. Foster a culture of inclusion and engineering excellence, mentoring others and promoting collaboration, diversity, and well-being.

What You'll Bring:

Proven experience in backend development using TypeScript, with a strong grasp of scalable API design. Hands-on expertise with AWS, including services such as API Gateway, Lambda, AppSync, Fargate, DynamoDB, and RDS. Proficiency in GraphQL and RESTful API design, with practical experience in schema development and performance tuning. Strong database knowledge, including both SQL and NoSQL systems. Experience with microservices architecture, containerisation (Docker), and orchestration (Kubernetes or AWS ECS/EKS). Solid understanding of DevOps practices, including CI/CD pipelines, infrastructure as code (Terraform), and system observability. A collaborative mindset, with strong communication skills and a passion for mentoring and knowledge sharing.

We have a question for you - and it's something we're passionate about. Can you imagine a world in which you can truly love your life and your work? Well, we have some good news - creating that world and making this vision a reality is what we get out of bed for; it's our north star.


But what do we really mean when we talk about loving your life and your work? Let's look at the ways in which we help our team members to achieve this - and the 'how'.

Deep connections, better outcome

We have deep relationships with leading technology partners and they love us for our innovative and outcome based approach. Our people are passionate about solving our clients problems using the tech that's the best solution for them. What's more, we're there to work side-by-side with our client teams to enable them for success long after we've gone. We're all about momentum that outlasts us.

Flexibility

Life is busy, and we understand that. Our team often juggles work, family, personal commitments, and crucial client obligations. We prioritise supporting our people in balancing what matters to them while ensuring we meet our client commitments. Flexibility is key, as we sometimes need to adapt to meet client needs. This way, our team can work on high-impact projects they'll love, knowing they have the flexibility to manage their personal and professional lives effectively.

People-first

Great solutions start with great people and those great people are at their best when they're empowered to be their true authentic selves through leading with kindness, empathy and striving for equity we're able to create better experiences for our people and our clients. Our culture is central to everything we do - encouraging passion, adventure, adaptiveness and diversity of thought. Inclusion, diversity and equity is at the top of our agenda, we have created a community where we empower our team to be the best version of themselves.

Rewards

There's no shying away from it - the compensation and benefits on offer have to be competitive too, right? We know that. That's why we have a dedicated team working with our leaders to ensure our packages are fair, competitive, and rewarding!

Who are we... We are Slalom!

Slalom is a next-generation professional services company creating value at the intersection of business, technology, and humanity. With our fiercely human approach, we deeply understand our customers--and their customers--to deliver practical, end-to-end solutions that drive meaningful impact. Supported by over 400 technology partners, our 10,000+ team members in 11 countries and 52 offices we Inspire people and organisations to envision greater possibilities, accelerate progress, and shape a brighter future for everyone.


We're honoured to be consistently recognised as a great place to work, including being one of Fortune's 100 Best Companies to Work for nine years running. Read about us at slalom.com.

Want to learn more?

Why not apply??


We would love to hear from you!

Slalom prides itself on helping our team members thrive in their work and life. As a result, Slalom is proud to invest in our team members with competitive and innovative benefit programs and services that meet the unique needs of our diverse workforce. If you require any assistance with regards to reasonable adjustments during the recruitment process, please do not hesitate to contact us - we will always be happy to help.

TypeScript I AWS I Lead I Software Engineering

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