Software engineer

Full Stack Engineer with a strong backend focus, working across TypeScript, Node.js, GraphQL and AWS serverless technologies. You’ll help build and evolve the Onboarding platform, delivering scalable APIs, cloud-native services and customer journeys that support account onboarding experiences., You’ll work primarily on AWS serverless backend services, APIs and platform capabilities, whilst also contributing to frontend applications when required. This is an opportunity to work with modern cloud-native technologies, GraphQL-based architectures, event-driven systems and customer-facing products that play a key role in our digital experience.

We’re looking for engineers who enjoy solving complex technical problems, taking ownership of solutions and contributing to the continuous improvement of both technology and engineering practices.

You’ll help build customer journeys that enable clients to complete account opening and transfer journeys.

What You’ll Be Doing

• Design, develop and maintain backend services
• Build scalable APIs and integrations with internal and external systems.
• Develop AWS serverless applications using modern engineering practices.
• Contribute to platform scalability, resilience, observability and performance.
• Work across the full stack where required
• Take ownership of features and issues from design through to production.
• Drive engineering improvements, automation and operational excellence.
• Participate in architecture discussions, code reviews and technical design sessions.
• Collaborate closely with Product, Platform and Engineering teams to deliver customer value.
• Supported developers in upskilling to facilitate the transition from on-premises services to cloud-based solutions

• Strong ownership mentality.
• Ability to solve problems independently.
• Comfortable working within distributed systems and cloud-native environments.
• Strong communication and collaboration skills.
• Passion for building scalable cloud-native applications.
• Curiosity and willingness to learn across the full stack.

• A proactive approach to identifying technical improvements and opportunities for innovation., Backend Engineering

• Node.js
• TypeScript
• REST API development
• API integrations
• broad range of AWS technologies
• Event-driven architectures
• Middleware frameworks such as Middy
• JSON data processing

Cloud & Infrastructure

• AWS
• Infrastructure as Code (Terraform, CDK, SST or similar)
• DynamoDB
• SNS / SQS
• Familiarity with core AWS services including IAM, Secrets Manager and Parameter Store
• Experience working with CI/CD pipelines and modern software delivery practices

Full Stack Experience

• Experience working across frontend and backend technologies
• React and TypeScript exposure
• Building customer-facing web applications, We see GraphQL as an increasingly important part of our future architecture and would particularly welcome candidates with experience in:
• Designing and implementing GraphQL APIs
• GraphQL schema design
• GraphQL federation patterns
• Transitioning from REST-based architectures to GraphQL
• Consuming GraphQL services within distributed systems

Search & Content Platforms

• Typesense
• Elasticsearch
• Contentful or other Headless CMS platforms

Modern Engineering Tooling

• LaunchDarkly or feature flagging platforms
• OAuth and authentication flows
• Cross-account AWS patterns
• Analytics integration
• Experience with observability tooling such as Grafana

Frontend Technologies

• TanStack Query
• Zustand
• Vite
• Micro-frontend architectures (e.g. Module Federation)
• Tailwind CSS

Nice to Have

• Financial Services experience

You’ll be comfortable taking ownership of features from design through to production, collaborating across engineering disciplines, and proactively identifying opportunities to improve both the platform and the way we work.

• Discretionary annual bonus* and annual pay review
• 25 days* holiday plus bank holidays and 1-day additional Christmas closure
• Option to purchase an additional 5 days holiday**
• Flexible working options available, including hybrid working
• Enhanced parental leave
• Pension scheme up to 11% employer contribution
• Income Protection and Life insurance (4 x salary core level of cover)
• Private medical insurance*
• Health care cash plans - including optical, dental, and outpatient care
• Health screening programme
• Help@hand - confidential support including mental health counselling and remote GP
• Wellhub - unlimited access to fitness providers and wellness coach sessions
• Variety of travel to work schemes with bike storage and shower facilities
• Inhouse barista and deli serving subsidised coffee and sandwiches

• Two paid volunteering days per year

• dependant on role level

** only available to select during our annual benefits window, in November each year

Here at HL, we’re the UK’s number 1 investment platform for private investors, based in Bristol. For more than 40 years we’ve helped investors save time, tax and money on their investments.

To achieve our mission, we believe we have a workplace like no other, with constant learning, dynamic teams, and a great ethos. We’re steered by core values that promote service, quality, innovation, and opportunity in everything we do.