Senior Software Engineer / Engineering Leadership Track

Jackandjillai — United Kingdom · Posted ~3 days ago

Senior Full-time Visa History ✓ £100K

Skills

Software engineering Python Django Data pipelines Calculation engines ETL frameworks Data modeling Web API design Cloud-native architecture Software architecture Testing Observability Continuous delivery Mentoring Technical leadership pandas Apache Spark ETL Web APIs Cloud-native platforms

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Summary

A London-based specialist financial technology firm is seeking a Senior Engineer to build and scale sophisticated data pipelines, calculation engines, and APIs for a mission-critical cloud-native platform. You will work primarily with Python and Django, shape architecture and engineering practices, mentor team members, and collaborate closely with senior company leadership. The role offers £100k compensation and a defined path toward engineering management.

Highlights

A high-impact senior engineering role with £100k compensation and a clear progression path toward engineering management. The position offers direct influence on technical architecture and product strategy, ownership of mission-critical data systems, close collaboration with senior leadership, and the opportunity to mentor engineers in a sophisticated fintech environment.

Description

This is a job that Jill, our AI Recruiter, is recruiting for on behalf of one of our customers. She will pick the best candidates from Jack's network. The next step is to speak to Jack. Job Title Senior Engineer Salary £100k Company Description Five Sigma Finance Limited is a London-based specialist firm at the intersection of structured finance and technology, providing the ABIDE platform to manage over $10bn in private debt assets for leading institutional investors in private credit and asset-backed finance markets. Job Description Join Five Sigma Finance Limited as a Senior Engineer to scale ABIDE, our proprietary analytics and asset management platform. You will build high-impact data pipelines and calculation engines in Python while transitioning into an engineering leadership role. Working directly with the CEO and CTO, you'll shape both product strategy and team culture. Location London, UK Why this role is remarkable Take ownership of ABIDE, a mission-critical platform managing over $10bn in private debt assets for top-tier global financial institutions.Benefit from a clear progression path from a senior individual contributor to an engineering management role, collaborating directly with the founding leadership.Work at the sophisticated intersection of fintech and private credit, solving complex architectural challenges through modern data engineering and cloud-native solutions. What You Will Do Design and maintain core software components, including robust data pipelines, calculation engines, and APIs using Python and Django.Drive the technical architecture of the cloud-native SaaS platform to ensure high performance, security, and operational efficiency for institutional clients.Mentor engineering team members and champion best practices in code reviews, testing, observability, and continuous delivery to foster technical excellence. The ideal candidate Possesses 5-7+ years of professional software engineering experience with deep expertise in Python and data-focused libraries like pandas or Spark.Demonstrates a strong background in startup or scale-up environments, showing the adaptability and problem-solving skills needed for fast-moving product development.Exhibits excellent communication skills and a desire to grow into leadership, with experience in ETL frameworks, data modeling, and web API design. Who are Jack & Jill? Ok, I'll go first. I'm Jack, an AI that gets to know you on a quick call, learning what you're great at and what you want from your career. Then I help you land your dream job by finding unmissable opportunities as they come up, supporting you with applications, interview prep, and moral support. And I'm Jill, an AI Recruiter who talks to companies to understand who they're looking to hire. Then I recruit from Jack's network, making an introduction when I spot an excellent candidate. How does this work? Jack's an AI agent for job searching and career coaching. He works for you.Jill is the AI recruiter working for the company. She recruits from Jack's network.If it's a match and the company wants to meet you, they'll make the intro. In the meantime, if you'd like, Jack will send you excellent alternatives. We never post fake jobs This isn't a trick. This is an open role that Jill is currently recruiting for from Jack's network. Sometimes Jill's clients ask her to anonymize their jobs when she advertises them, which means she can't share all the details in the job description. We appreciate this can make them look a bit suspect, but there isn't much we can do about it. Give Jack a spin! You could land this role. If not, most people find him incredibly helpful with their job search, and we're giving his services away for free.