Senior Software Engineer (TypeScript, Node.js, AWS) - 12 month maternity cover

Hybrid - 2 days per week in our London HQ

Alto Software Group is a B2B SaaS company that powers more than half of all UK housing transactions each year. We create software solutions that connect businesses and consumers, delivering a one-stop shop for estate agents and home builders. Our goal is to drive efficiency, speed up transactions, reduce risk, and improve the end-customer experience.

While we're not a startup, we operate with a startup mindset. We're looking for people who share this mentality and are ready to tackle big ambitions. This is a fast-growing and exciting business going through significant change, and there's never been a better time to join us.

We’re looking for a passionate Software Engineer to join the Alto Team.

What You'll Do

• Develop and maintain critical backend services using TypeScript, Node.js and Apollo GraphQL.
• Work with serverless technologies like AWS ECS, SQS, and DocumentDB to build scalable, event-driven architectures.
• Take ownership of your work from design to deployment, either independently or as part of a collaborative team.
• Collaborate with product and design teams to translate complex business problems into elegant, customer-focused solutions.
• Help us shape our engineering practices and explore new ways of working (e.g Shape Up methodology) to deliver value to our customers in a fast, predictable way.
• Contribute to our modern microservices and event-driven architecture, ensuring our platform is resilient and performant.

Our Technology Stack

We believe in using the right tool for the job. Our current stack includes:

• Backend: TypeScript, Node.js, Apollo GraphQL, MongoDB
• Frontend: TypeScript, React
• Cloud & Infrastructure: AWS (ECS, Lambda, SQS, DocumentDB, DynamoDB), Terraform, SST (Infrastructure as Code)
• Architecture: Microservices, Micro-Frontends, Event-driven architecture

Who We're Looking For

• A software engineer with a strong background in TypeScript/JavaScript and experience in modern API development with Node.js.
• Someone who is comfortable building distributed systems with asynchronous event-driven architecture.
• Knowledge of designing and implementing GraphQL schemas, resolvers and mutations, with Apollo Server or an equivalent framework.
• An understanding of cloud-native development practices and awareness of AWS ECS, S3 and SQS (or vendor equivalents).
• Explore Boldy: We value engineers who are eager to learn new technologies and stay current with industry trends.
• Bounce back Stronger: A pragmatic problem-solver who can navigate ambiguity and find simple solutions to complex challenges.
• Own it together: A collaborative team member who is willing to share early-stage work and both give and receive constructive feedback.
• Make it Happen: A person who takes pride in their delivery and is passionate about creating high-quality software at pace.
• Know our Customers: You're a product engineer who is genuinely interested in the customer's perspective. You strive to understand the purpose of your work so you can deliver the most impactful solutions.

Don't worry if you don't check every box! We're looking for passionate engineers who are excited to grow. If you have a solid foundation in TypeScript/JavaScript and Node.js and are eager to learn, we encourage you to apply. We are committed to building a diverse and inclusive team and welcome applications from all backgrounds.

Benefits:
• Everyday Flex - greater flexibility over where and when you work

• 25 days annual leave + extra days for years of service
• Day off for volunteering & Digital detox day
• Festive Closure - business closed for period between Christmas and New Year
• Cycle to work and electric car schemes
• Free Calm App membership
• Enhanced Parental leave
• Fertility Treatment Financial Support
• Group Income Protection and private medical insurance
• Gym on-site in London
• 7.5% pension contribution by the company
• Discretionary annual bonus up to 10% of base salary
• Talent referral bonus up to £5K

We want to make ASG more welcoming, fair and representative every day. We’ll consider everyone who applies for this role in the same way, regardless of your ethnicity, colour, national origin, religion, sexual orientation, gender, gender identity, age, physical disability, neurodiversity status, family or parental status, or how long you’ve spent unemployed.