Senior Forward Deployed Engineer (FDE)

Harrington Starr; City Of London; On-site; GBP 108,000 - 132,000; Full time

Benefits offered by this job

Premium benefits

Job summary

Harrington Starr in London is seeking a Senior Forward Deployed Engineer to own complex client implementations end-to-end. You will blend deep product expertise with hands-on engineering, delivering scalable data platform solutions for leading financial institutions.

This role offers high visibility, technical leadership, and a route into principal FDE or leadership, with competitive senior compensation and premium benefits.

Qualifications

• Senior software engineer with client-facing delivery experience.
• Deep knowledge of investment operations or financial data platforms.
• Experience mentoring engineers and setting quality standards.

Responsibilities

• Own end-to-end design and delivery of client workstreams.
• Translate business problems into platform structures and debug across stack.
• Build data pipelines, integrations, workflows, and config-driven deployments.
• Mentor engineers and set engineering standards via code reviews.
• Collaborate with senior client stakeholders to align solutions.

Skills

C#

Python

SQL

Full-stack debugging

Client-facing

Mentoring

Job description

Senior Forward Deployed Engineer (FDE) London Financial Data Platforms

Join one of the fastest growing fintech scale‑ups in London who are operating at the heart of the investment lifecycle, working with some of the biggest names in finance across the globe.

This role suits a senior software engineer who thrives in client‑facing delivery, combines deep product expertise with hands‑on engineering, and can own complex client implementations end‑to‑end.

What you'll be doing

• Own technical design and delivery of client workstreams end-to-end; scoping, sequencing, and building the harder pieces yourself
• Translate client business problems into platform structures; debug across the full stack and pinpoint root causes
• Work on cutting edge solutions
• Build and configure client data pipelines, integrations, queries, workflows, and config‑driven deployments
• Mentor engineers and graduates; set quality and engineering standards through code review and design guidance

What we're looking for

• Senior Software Engineering experience – C# / Python / SQL
• Strong technical depth in C# and full‑stack debugging across distributed systems
• Domain knowledge of investment operations, asset management workflows, or financial data platforms
• Comfortable with configuration‑driven platforms; experience with data integration, ETL, and workflow orchestration
• Strong communication skills; ability to hold technical conversations with senior client stakeholders
• Experience mentoring engineers and embedding quality standards in delivery teams

Why this role

• High‑impact, client‑facing technical leadership without management overhead
• Work across diverse asset classes and complex investment workflows at global scale
• Deep product expertise combined with hands‑on engineering; real ownership and visibility
• Competitive senior‑level package with influence at account and product level
• Up to £120,000 basic depending on experience
• Premium benefits and long‑term career progression into Principal FDE or leadership roles