Backend · Node.js · Crypto Infrastructure
Build real-world crypto payments used at global scale
We’re looking for a backend-focused software engineer with blockchain experience to help build and scale next-generation payments infrastructure. This is a hands-on role for someone who wants to work close to the product, touch real users, and ship systems that operate at serious scale.
Location
Strong preference for New York City
Open to remote (US or global) for exceptional candidates with strong experience and solid tenure
What You’ll Be Doing
Play a key role in shaping the technical and product roadmap
Build and scale backend services that interact with blockchain infrastructure
Work directly with smart contracts across multiple chains
Develop and support new smart contracts and blockchain integrations
Help scale on-chain infrastructure to millions of users globally
Ship new features quickly in a fast-moving environment
Influence architectural decisions in a rapidly evolving product
This role is ideal for someone who enjoys ownership, speed, and solving real problems at the intersection of payments, fintech, and crypto.
Why This Role Is Different
You’ll be building real-world crypto infrastructure, not side experiments
Flat, open culture - engineers influence the roadmap
High ownership and autonomy
Backed by top-tier investors in fintech and crypto
Global impact from day one
Requirements
What We’re Looking For
2–10+ years of professional engineering experience
Strong experience with Node.js and modern backend technologies
Hands-on experience interacting with blockchains and smart contracts
A backend engineer with real blockchain exposure (not just interest)
Crypto-curious at minimum - crypto-native is a plus
Comfortable working in lean, fast-paced teams
Nice to have (not required):
Fintech experience (neobanks, card issuing, payments infrastructure)
Benefits
Compensation \& Benefits
Competitive compensation based on experience
Equity so you share in the upside
Unlimited PTO (with a minimum 10 days encouraged)
Flexible work environment (remote or office-friendly)
Home office setup stipend
Comprehensive health, dental, and vision (US-based)
401(k) with company match
Health \& wellness allowance (gym, classes, recovery, etc.)
Team offsites and international summits
Access to internal products for hands-on testing
Interview Process
Intro call with Recruiting / HR
CTO phone screen (team fit \& culture)
Technical interview (deep dive into past work \& impact)
Technical session (2 hours: architecture + programming)
Founder / CEO interview
Final wrap-up conversation
Due to the high volume of applications we anticipate, we regret that we are unable to provide individual feedback to all candidates. If you do not hear back from us within 4 weeks of your application, please assume that you have not been successful on this occasion. We genuinely appreciate your interest and wish you the best in your job search.
Commitment to Equality and Accessibility:
At MLabs, we are committed to offer equal opportunities to all candidates. We ensure no discrimination, accessible job adverts, and providing information in accessible formats. Our goal is to foster a diverse, inclusive workplace with equal opportunities for all. If you need any reasonable adjustments during any part of the hiring process or you would like to see the job-advert in an accessible format please let us know at the earliest opportunity by emailing human-resources@mlabs.city.
MLabs Ltd collects and processes the personal information you provide such as your contact details, work history, resume, and other relevant data for recruitment purposes only. This information is managed securely in accordance with MLabs Ltd’s Privacy Policy and Information Security Policy, and in compliance with applicable data protection laws. Your data may be shared only with clients and trusted partners where necessary for recruitment purposes. You may request the deletion of your data or withdraw your consent at any time by contacting legal@mlabs.city.