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Financial Software Engineer; Full Stack

Job in Fairfield, Fairfield County, Connecticut, 06828, USA
Listing for: Unlok
Full Time position
Listed on 2026-07-13
Job specializations:
  • Software Development
    Full Stack Developer
Salary/Wage Range or Industry Benchmark: 140000 - 190000 USD Yearly USD 140000.00 190000.00 YEAR
Job Description & How to Apply Below
Position: Financial Software Engineer (Full Stack)

We're Hiring:
Full Stack Financial Software Engineer

At UNLOK
, we're building the next generation of global investing infrastructure.

We're looking for an exceptional Full Stack Financial Software Engineer who is passionate about financial markets and excited to build products used by investors around the world.

This isn't a typical web development role. We're looking for someone who enjoys solving complex financial problems, understands how markets work, and can turn sophisticated ideas into intuitive, high-performance software.

What You’ll Build
  • Trading and portfolio management platforms
  • Analytics and data visualization tools
  • Options, futures, and derivatives trading capabilities
  • AI-powered investing and research products
  • High-performance APIs and scalable backend systems
What We’re Looking For
  • Strong full-stack engineering experience (frontend and backend)
  • Excellent analytical, mathematical, and problem-solving skills
  • A genuine interest in financial markets, including equities, options, futures, and derivatives
  • Experience building scalable, production-grade applications
  • Native or fluent English communication skills
Bonus Points
  • Experience in quantitative trading or systematic investing
  • Knowledge of capital markets, brokerage systems, or financial regulations
  • Understanding of market microstructure and exchange connectivity
  • Experience working with market data providers and trading APIs
  • Background in finance, engineering, mathematics, physics, or computer science
You’ll Thrive Here If You…
  • Follow financial markets because you're genuinely curious
  • Enjoy solving difficult technical and quantitative challenges
  • Care about clean architecture, performance, and exceptional user experience
  • Want to build products that can compete on a global stage
  • Enjoy working in a fast-moving startup where you can make a real impact

We're not just building software - we're building the infrastructure that powers the future of investing.

If that excites you, we'd love to hear from you.

To apply: Send us your resume, Git Hub (if available), and a short introduction explaining why you're interested in financial technology and why you'd be a great fit for UNLOK.

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