At a Glance
- Tasks: Lead technical design and delivery for client projects, tackling complex challenges head-on.
- Company: Join a fast-growing fintech scale-up at the heart of global finance.
- Benefits: Competitive salary up to £120,000, premium benefits, and career progression opportunities.
- Other info: Mentor junior engineers and set quality standards in a dynamic environment.
- Why this job: Make a real impact with hands-on engineering and client-facing leadership.
- Qualifications: Senior software engineering experience in C#, Python, and SQL required.
The predicted salary is between 100000 - 120000 £ per year.
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.
Senior Forward Deployed Engineer (FDE) employer: Harrington Starr
Join a leading high-volume futures trading organisation in London, where you will play a pivotal role in ensuring the stability of critical trading and clearing platforms. With a strong focus on employee growth and a collaborative work culture, this company offers competitive daily rates and long-term contract opportunities, making it an excellent employer for those seeking meaningful and rewarding careers in the capital markets sector.