Event jobs in United Kingdom

Backend Engineer or Senior Backend Engineer L3-L5

Interview Process:

• Initial Assessment

• Take home assignment

• Assignment Review and Interview

• Whiteboarding Technical Interview

• Culture Fit

Why This Role?

Work on scalable, high-performance backend systems that power Trustana’s B2B platform. You'll design REST/GraphQL APIs, optimize microservices, and collaborate across teams to build a seamless trade experience.

Tech Stack:

Node.js, TypeScript, SQL/NoSQL, AWS (Lambda, Serverless)

What You’ll Do

• Architect and refactor backend services for scalability to handle enterprise-level data volumes and performance benchmarks seamlessly.
• Proactively identify and resolve performance bottlenecks, ensuring system reliability and availability.
• Collaborate with cross-functional teams to define features and solve challenges.
• Work with infrastructure teams to scale services and perform root cause analysis.

What You Bring

• over 5 years of backend experience, ideally in startups or e-commerce.
• Proven track record of architecting backends that successfully scaled to support significantly larger customer bases.
• Mandatory : Knowledge of LLMs and optimizing solutions using AI.
• Expertise in Node.js, SQL/NoSQL databases, and cloud architectures (AWS, Lambda). React nice to have
• Hands-on experience in developing, optimizing, and maintaining enterprise-scale APIs (REST/GraphQL), event-driven design, caching patterns
• Strong understanding of microservices, APIs, and web security.
• Experience in test-driven development and performance optimization.

What You Get

• Build core backend systems that directly impact users.
• Work with modern cloud-native architecture in a fast-moving SaaS company.
• Collaborate with skilled engineers solving real-world problems.
• Competitive salary, benefits, and career growth opportunities.

If you thrive on building scalable backend solutions and working on complex, high-impact systems, this role is for you.