Senior Software Engineer

Company: Liberis
Apply for the Senior Software Engineer
Location: London
Job Description:

Overview

As a Senior Engineer at Liberis, you will mentor peers while solving real-world fintech challenges at scale. You join a global Product, Data & Engineering team that values autonomy, ownership and impact, shaping multi-product solutions for small businesses. You will contribute to an AI-first transformation, collaborating across engineering, product and delivery to ship high-quality APIs and services. This role offers opportunities to influence engineering practices and support a growing, mission-driven fintech platform.

Pay / Benefits

  • hybrid work policy (office 3–4 days a week)
  • Real Living Wage employer
  • flexibility in work arrangements
  • global team with multiple locations
  • focus on impact and collaboration

Responsibilities

  • Mentor junior engineers and foster technical growth
  • Develop and maintain APIs and services for the embedded finance platform
  • Collaborate across Product, Data and Delivery teams to ship scalable solutions
  • Contribute to an AI-driven transformation of the engineering function
  • Own solutions and support rapid decision-making in a scaling FinTech environment
  • Participate in on-call rotations and ensure system reliability

Key requirements

  • Proven success writing code in two or more programming languages
  • Willingness to learn our tech stack (C#/.NET, Node, React)
  • Experience developing APIs and services
  • Understanding of Agile methods (XP, Kanban, Scrum)
  • Experience mentoring more junior team members
  • Resilience in early-stage, evolving requirements environments
  • Bonus: cloud technologies (GCP), collaborative methods (ensemble, mob, pair programming), financial software experience, or Test Driven Development
  • Mentoring and coaching
  • Collaboration across cross-functional teams
  • Curiosity and experimentation mindset
  • C#/.NET
  • Node.js
  • React

Posted: September 14th, 2026