Senior Backend Developer

Company: Yapily
Apply for the Senior Backend Developer
Location: London
Job Description:

Overview

As a Software Architect at Yapily, you will design scalable web applications, services, and APIs, integrating AI-native development to boost velocity and quality. You’ll partner with product and stakeholders to shape a pragmatic technical roadmap and lead standards and code reviews. You will deepen expertise in Open Banking and PSD2, ensuring reliable, secure delivery of value through our API-driven platform. This role offers you the chance to impact a fast-paced, startup environment while shaping the future of financial technology.

Pay / Benefits

  • Competitive pay & equity
  • 25 days holiday plus bank holidays (UK)
  • Hybrid working
  • Private medical insurance
  • Mental health support
  • Learn & grow budget

Responsibilities

  • Architect and oversee scalable web apps, services, and APIs with focus on performance and reliability
  • Champion AI-native development workflows to improve developer velocity, code quality, and maintainability
  • Collaborate with Product Managers to shape the technical roadmap and translate requirements into scalable solutions
  • Define technical standards and lead robust code reviews to foster technical excellence
  • Coordinate with Support and CSM to troubleshoot and resolve critical customer issues
  • Deepen Open Banking and PSD2 expertise to advance API capabilities

Key requirements

  • Expert-level experience with Java and the Spring Framework
  • Proven track record in distributed systems and microservices architectures
  • Experience integrating AI coding agents into development workflows
  • API-first product mindset focused on customer outcomes
  • Self-starter who thrives in ambiguity and fast-paced startup environments
  • Strong communication skills bridging engineering and non-technical stakeholders
  • Bachelor’s degree in Computer Science, Engineering, or a related field; 5+ years of relevant experience
  • Curiosity, drive, and willingness to learn from diverse team strengths
  • Clear communication
  • Curiosity
  • Integrity
  • Java
  • Spring Framework
  • Distributed systems

Posted: September 14th, 2026