Backend Engineer

nsave
London
Workplace: OnsiteFull timeFunction: Software EngineeringExperience: 6+ yearsSkills: ["Communication","Collaboration","Problem-solving","Teamwork","Security-minded"]

Backend Engineer at a fintech startup building scalable, secure financial infrastructure in London. Drive core infrastructure subsystems, improve system health and compliance, and deliver high-throughput, low-latency financial services. Collaborate with CTO/CEO and engineers to design and scale a regulatory-ready platform, using NestJS/Node.js, AWS, and Kafka to support tens of thousands of users across jurisdictions.

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FursaFursa
nsave
nsave
10 months ago

Backend Engineer

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Source: Company careers pageValidated by: Fursa AI
Last checked: 13 hours agoStatus: Live

Job Summary

Backend Engineer at a fintech startup building scalable, secure financial infrastructure in London. Drive core infrastructure subsystems, improve system health and compliance, and deliver high-throughput, low-latency financial services. Collaborate with CTO/CEO and engineers to design and scale a regulatory-ready platform, using NestJS/Node.js, AWS, and Kafka to support tens of thousands of users across jurisdictions.
Location: London
Workplace: Onsite
Employment Type: Full time
Job Function: Software Engineering

Key Responsibilities

  • •Design, implement, and own core infrastructure subsystems: service architecture, reliability, CI/CD pipelines, operational health, security, and integrations with compliance and banking services.
  • •Proactively improve system health and compliance: identify weaknesses in code and infrastructure, prioritize fixes, and deliver solutions that keep systems secure, performant, and regulation-ready.
  • •Ensure user-facing financial systems are high-throughput, low-latency, and meet reliability expectations.
  • •Balance rapid product iteration with operational stability—responding quickly to shifting priorities in a dynamic environment.
  • •Champion a user-centered approach, building infrastructure that directly supports product performance, compliance, and trust.

Key Requirements

  • •Broad platform & infrastructure expertise: backend architecture, databases, site reliability, infrastructure as code, and continuous deployment.
  • •Strong software engineering fundamentals: clean abstractions, scalability, thoughtful trade-offs, and a passion for building and optimizing complex systems.
  • •Security-first mindset: experience designing and operating robust, financial-grade systems that can withstand penetration attempts.
  • •Collaborative and supportive: committed to improving developer productivity, enabling teammates to ship quickly and safely, and maintaining the team’s operational health.
  • •Regulated environment experience: familiarity with fintech or other domains where compliance, reliability, and security are critical.
Experience:6+ yearsFintechFinancial services
Skills:CommunicationCollaborationProblem-solvingTeamworkSecurity-minded
Tech Stack:NestJSNode.jsTypeScriptAWSECSRDS/PostgresDockerKafka

Company Brief

nsave
Operates a digital savings platform that helps consumers automate saving, access competitive yields, and earn rewards via linked banking services and merchant partnerships. Focuses on improving personal finance habits through automated rules, goal-setting, and incentives.
Industry: Neobanking
Website