Boosty Labs

Boosty Labs is a premier blockchain development company with broad technical expertise and over 150 highly skilled developers and strategists. Founded in 2017, Boosty Labs has completed 250+ projects and collaborated with numerous industry giants.
Join us as a Senior Blockchain Engineer — Node.js+solidity

Requirements:

Backend part

• Strong Node.js / TypeScript experience (NestJS preferred).
• Experience building high-frequency bots that interact with blockchain.
• Understanding of RPC optimization and multicall strategies to handle millions of calls/day.
• Experience with async error handling, retries, and observability.

• Familiarity with transaction building and gas optimization for automated operations.

   

Blockchain part

• Strong understanding of Solidity smart contracts.
• Experience with contract state reading: callStatic, view functions, and event logs.
• Ability to trace calls and debug contract interactions (using tools like Foundry, Tenderly, or Etherscan traces).
•  Knowledge of DeFi primitives: vaults, lending/borrowing, swaps, collateralization.
• Ability to write efficient contract interaction logic (batching, multicall, caching).

What we offer:

• Remote working format
• Flexible working hours
• Informal and friendly atmosphere
• The ability to focus on your work: a lack of bureaucracy and micromanagement
• 20 paid vacation days
• 7 paid sick leaves
• Education reimbursement
• Free English classes
• Psychologist consultations

Recruimet process: Recruitment Interview - Techncial Interview - Client Interview

We are looking for a skilled Full-Stack Engineer with strong expertise in React, TypeScript, and React Native to join our growing team. In this role, you will be responsible for building and delivering high-quality features across web and mobile platforms, collaborating closely with product and design teams, and contributing to backend development with Node.js.

You will have the opportunity to work on impactful projects, take ownership of features end-to-end, and help shape the technical direction of the product.

Requirements:
 

• 4+ years of hands-on experience with React and TypeScript, building scalable and maintainable front-end applications.
• Solid production experience with React Native, delivering high-quality mobile applications.
• Strong background in Node.js backend development, including building APIs and server-side logic.
• Experience working with relational and/or NoSQL databases, with a good understanding of data modeling and performance optimization.
• Proven ability to take ownership and deliver features end-to-end, from architecture and implementation to testing and deployment.
   

What we offer:
 

• Remote working format
• Flexible working hours
• Informal and friendly atmosphere
• The ability to focus on your work: a lack of bureaucracy and micromanagement
• 20 paid vacation days
• 7 paid sick leaves
• Education reimbursement
• Free English classes
• Psychologist consultations

• Recruitment process:

   

  Recruitment interview – Technical Interview – Client Interview

Our client is building an in-house algorithmic trading infrastructure focused on arbitrage and market-making across intent-based platforms and DEX ecosystems.
The system will support strategies around 1inch Fusion, arbitrage between Fusion & limit orders, research into the 1inch Aqua protocol, and market making on upcoming intent platforms integrated with Boosty.
Additionally, the project includes collaboration with Thalex exchange and leveraging existing professional expertise to design robust trading models, execution pipelines, and infrastructure for reliability and low-latency operations. Join our team and make an impact!

Requirements:
 

• Strong Python skills (NumPy, pandas, Jupyter, data analysis stack).
• Understanding of market microstructure (orderbooks, slippage, taker/maker fees).
• Options knowledge: IV, delta / vega / gamma, skew behavior.
• Strong analytical and quantitative mindset.

• Experience in crypto markets is a plus.

   

Responsibilities:

• Identify trading opportunities (arbitrage, mispricings, cross-venue inefficiencies).
• Backtest trading strategies and perform statistical validation.
• Monitor ongoing strategy profitability and performance metrics.

• Conduct risk evaluation (volatility, exposure, liquidity risks).

   

What we offer:

• Remote working format
• Flexible working hours
• Informal and friendly atmosphere
• The ability to focus on your work: a lack of bureaucracy and micromanagement
• 20 paid vacation days
• 7 paid sick leaves
• Education reimbursement
• Free English classes
• Psychologist consultations
• Recruitment process:

Recruitment interview – Technical Interview – Client Interviews