Principal Full-Stack Developer at Lab49

Compensation

$180,000 – $220,000/yr

Location: New York, New York
Type: Full-time
Level: Principal
Posted: Feb 3, 2026

Description

Lab49 is seeking a Principal Full-Stack Developer to lead a key project involving structured products trading UI using modern web development technologies like C#/ .NET, Python, React, Terraform, Docker, and SQL. This role involves managing engineering deliverables, acting as a hands-on engineer and architect, partnering with clients, and building strong relationships to secure future work. The ideal candidate will have extensive experience in large financial institutions and a deep understanding of global financial markets.

Required Skills

.NET
Python
React
AWS
Terraform
Docker
SQL

Additional Information

Minimum Education: BS in Computer Science or equivalent experience.
Required Previous Experiences: 12+ years of solid hands-on experience with C#/.Net and Python development.
5+ years of experience with React and modern front-end state management.
Preferred Qualifications: Extensive experience architecting solutions on AWS, including Terraform and Docker.
Proven track record operating effectively inside large, complex organizations (e.g., Tier-1 Investment Banks or Global Asset Managers).
Deep understanding of SQL and data persistence strategies at scale.
Fluency with modern C# features and a strong grasp of software design patterns and distributed systems.
Expert-level knowledge of, and strong demonstrated interest in, global financial markets and financial products.

About Lab49

Lab49

Professional, Scientific, and Technical Services

Lab49 is a specialist consultancy that designs and develops bespoke and innovative technology solutions in partnership with key financial markets participants.

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