Senior Full Stack Engineer - Crypto Trading (6 month contract to hire)
Lazer is a world-class digital product studio composed of 180+ senior engineers and designers with backgrounds from companies like Apple, Google, Coinbase, and more. With our product experience, we have designed, engineered, and grown products from $0 to $200M in revenue.
Clients seek out our help because we have the talent to deeply understand their needs and provide industry, technical, or product insights that are uniquely valuable to their efforts. Our clients range from early-stage startups and venture studios to recognizable retail brands and exciting enterprises. Some of our notable clients include Google, Shopify, Coinbase, Alchemy, Hinge, OVO, Polymarket, and more.
We are a remote-first organization headquartered in Toronto, Ontario, with employees worldwide. We believe in providing the best experience possible for all Lazerites by fostering a strong community through regular events, company vacations, competitive compensation, unlimited PTO, and more!
Join Lazer and help us solve problems and build the next generation of products!
Who You Are:
6+ years of experience in both backend and frontend software development, with significant experience building trading platforms (DEX, CEX, HFT, or similar high-performance trading systems)
Expert-level proficiency with React and modern frontend state management patterns; experience with the TanStack ecosystem is a strong plus
Strong experience with high-performance data visualization and real-time UI components for building dense, data-intensive trading interfaces
Solid backend engineering skills with Go or similar systems languages; experience building WebSocket architectures and backend-for-frontend patterns
Deep understanding of real-time data streaming, order management systems, and trading UI/UX patterns
Experience with component library development and working within established design systems; strong eye for design and attention to detail in high-density interfaces
Proven consulting/contracting experience or startup/agency background with strong client management and communication skills
Self-sufficient professional who thrives with autonomy, moves fast with lean processes, and maintains high quality standards
Deep expertise with major cloud providers (GCP, AWS, Azure) for deploying and scaling high-performance applications
Excellent communication skills for explaining technical tradeoffs to both technical and non-technical stakeholders
What You'll Do:
Embed with client teams to advise and consult founders on building sophisticated trading platforms, order management systems, and real-time trading interfaces
Architect and develop high-performance trading UIs handling real-time data updates and complex user interactions at scale
Build and maintain backend proxy layers and APIs to support demanding trading application requirements
Design and implement component libraries on top of internal design systems, creating reusable patterns for dense trading interfaces
Integrate with existing APIs, data distribution layers, and trading infrastructure while maintaining low-latency performance requirements
Uplevel client engineering teams through mentorship, improved architecture, and enhanced engineering processes
Lead technical strategy discussions with clients, managing project timelines and expectations for complex trading platform builds
Help grow our team's technical capabilities by experimenting with cutting-edge tools and contributing back to the open source ecosystem
Nice to Have:
The following would be bonus experience to have, though highlight any additional experience or skills you may have. We like working with people with varied backgrounds and experiences.
Experience with blockchain protocols and web3 development (EVM, Solana, or other ecosystems)
Background in quantitative finance, algorithmic trading, or market microstructure
Experience with real-time communication protocols or trading-specific standards
Familiarity with order book management, matching engines, or risk management systems
Experience with Rust or other high-performance backend languages
Knowledge of charting and data visualization libraries
Experience with mobile development for trading applications
Contributions to open source trading tools or infrastructure
Why Work With Us
🚀 Accelerate Your Growth: Work across multiple industries and cutting-edge projects with a team that ships fast.
💥 Maximum Impact: Shape the future of the tech industry by helping ambitious projects reach their potential.
🏅 True Ownership: Everyone ships code and has real autonomy with minimal meetings.
💡 Continuous Learning: Be part of a team of senior engineers and designers who love learning and knowledge sharing.
Why This Might Not Be For You
🤖 You Resist Modern Tools: We leverage AI and cutting-edge technology to build rapidly and focus our energy on solving the most complex, high-impact challenges for our clients.
🏗️ You Crave High Structure: We thrive in an autonomous, fast-moving environment, which means you need to be comfortable with some ambiguity.
😴 You Prefer Conventional Careers: Our consulting approach involves varied projects and direct client interaction — it's not for everyone.
1️⃣ You Like Staying in One Lane: Our projects require adapting to different tech stacks and modern tooling quickly.
Benefits & Perks
🌐 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.