Senior Full Stack Engineer, Fintech

🕒 November 7, 2025

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Lazer Technologies

WebsiteLinkedInAll Job Openings

51 - 200 employees

🛍️ eCommerce

💳 Fintech

☁️ SaaS

eCommerce • Fintech • SaaS

Lazer Technologies is a company specializing in building world-class digital products, with a strong focus on engineering within the Shopify ecosystem. They collaborate with a wide range of clients, including many startup companies that have raised significant funds, to deliver high-quality engineering solutions efficiently and effectively. The company prides itself on its ability to simplify complex projects, adhere to timelines, and immerse itself within client teams to ensure success.

📋 Description

• Embed with client teams to advise and guide founders on building scalable fintech products—from payment infrastructure to lending platforms to compliance systems • Design and develop full-stack fintech applications that prioritize security, regulatory compliance, and transaction integrity • Architect solutions that connect financial infrastructure securely, including integration with payment processors, banking partners, and compliance services • Mentor client engineering teams on best practices in secure coding, compliance-first design, and financial system reliability • Lead technical strategy discussions with fintech founders, managing complex project requirements and regulatory constraints

🎯 Requirements

• 6+ years of professional full-stack software development experience with proven expertise in both backend and frontend systems • Expert-level proficiency in JavaScript/TypeScript, React, Node.js, and Next.js; Python or Go experience is a strong plus • Strong command of object-oriented programming principles and clean architecture practices for building maintainable, scalable systems • Proven track record building fintech products such as payment processors, lending platforms, trading systems, or expense management tools • Deep understanding of distributed systems concepts including consistency models, fault tolerance, and eventual consistency • Deep expertise architecting secure systems that handle sensitive financial data • Domain expertise and understanding of KYC, AML, compliance, and financial regulations • Proficiency with cloud infrastructure (AWS, GCP, or Azure) and proven consulting/contracting experience with strong client management skills

🏖️ Benefits

• Work From Anywhere: Choose your workspace — all you need is strong wifi and a passion for building! • Work / Life Balance: We believe in our team’s ability to have it all; a great career, and time to unplug and live…you know...life. • Employee Care: We provide full benefits (healthcare, dental, vision) for our employees (401k for our US employees) • Unlimited PTO: Everyone needs a break. Take at least 15 days off a year, and more if you need—just be cool about it and keep the team in mind. • Regular Team Retreat: Join us for a week of team bonding at amazing destinations. Recent trips include the Dominican Republic, Cancun, and Hawaii — plus ones welcome.