Senior Software Engineer - HeightZero
BitGo is a top player in digital asset financial services, catering to institutional investors by offering liquidity, custody, and security solutions. Since its establishment in 2013, BitGo has been a trailblazer in the sector, introducing the multi-signature wallet and concentrating on institutional clients' needs. Engaged in both centralized and decentralized finance, BitGo delivers leading trading, lending, and borrowing services via its prime brokerage solutions. With the introduction of BitGo Trust Company in 2018, the first custodian tailored for digital assets storage, BitGo has been a stalwart in processing around 20% of global Bitcoin transactions and supporting over 1,000 coins and tokens. BitGo serves as the security backbone for more than 1500 institutional clients in 50 countries, including regulated entities, major cryptocurrency exchanges, and platforms. Additionally, BitGo has gained substantial backing from prominent firms like Goldman Sachs, Craft Ventures, and Digital Currency Group, among others. In 2023, BitGo acquired HeightZero, a technology platform offering investment opportunities in digital assets for financial institutions and services like token management for foundations and new digital assets.
The company is currently seeking a Senior Software Engineer to join the HeightZero team at the NY office (40 Wall Street).
Responsibilities:
- Design and construct robust and scalable APIs, libraries, and services to integrate blockchains and BitGo capabilities into HeightZero products effectively.
- Take charge of functionality and scalability features from research to implementation and deployment.
- Develop integration libraries and SDKs to connect seamlessly with our server and APIs.
- Provide clear documentation and expose functionality to UI, external developers, and internal tools.
- Collaborate closely with engineering teams and product managers to ensure alignment on technical requirements and maintain work quality.
- Offer mentorship and support to fellow engineers through code reviews and sharing best practices.
Skills & Experience:
BitGo values open communication, transparency, taking ownership, and high craftsmanship and looks for individuals who align with these principles.
Required:
- A minimum of 6 years in backend software development.
- Ability to work independently and thrive in a fast-paced environment.
- Exhibit discipline and ownership in tasks.
- Proficiency in server-side languages like TypeScript/Node.JS.
- Strong skills in unit and functional testing, debugging, and abstraction creation for complex systems.
- Experience with Git/GitHub, code review tools, and CI tools.
- Strong capability in algorithm design, problem-solving, and complexity analysis.
- Familiarity with design and implementation of different database types.
Preferred: Exposure to blockchain/crypto-security industry, knowledge and interest in cryptocurrencies and blockchain, experience with microservices and service-oriented architectures, familiarity with AWS Amplify, ELB, and EC2, and hands-on experience in building scalable distributed systems.
Why Join BitGo? BitGo's vision, innovation, passion, technical expertise, drive for delivery, collaboration, and execution sets it apart in disrupting the financial industry. By joining BitGo, you become part of a team that embodies values of responsibility, craftsmanship, and open communication, striving for excellence and innovation in transforming global financial markets.
Benefit highlights include competitive salary, bonus and stock options, comprehensive health insurance coverage, a 401k company match, paid parental leave, vacation, catered meals, computer equipment, and a motivating startup environment.
Pay Transparency Notice: Depending on seniority and location, the role offers an average base salary range from $165,000 to $210,000 USD . The total compensation also includes equity, an annual performance bonus, and outlined benefits.
Cryptocurrencies present a groundbreaking evolution in the financial services sector. Join the BitGo team and contribute to the revolution in the investment landscape.
Senior Blockchain Engineer
Protocol Core: Development and optimization of L2-settlement logic on Solidity/Yul.
Bridge Security: Designing secure cross-chain gateways with protection against double spending and reorgs.
Node Infrastructure: Optimizing the interaction of node validators with the EVM stack.
Gas Engineering: Extreme cost reduction for publishing data in L1 (Deneb/Cancun-ready).
Requirements:
Deep knowledge of Solidity (0.8.20+) and Assembly (Yul).
Experience working with Foundry (Fuzzing/Invariants) and understanding the architecture of OP Stack or Arbitrum Orbit.
Skills of working with indexers (The Graph/Envio) and the RPC layer.
Social media manager
Senior Blockchain Engineer
DApp & Smart Contract Developer (Vesting Platform)
This role is ideal for someone who thrives in fast-moving environments, values clean and secure code, and understands the nuances of blockchain-based application architecture.
Responsibilities
Diagnose and resolve issues in vesting smart contracts and their front-end integrations.
Implement new features and system enhancements to improve UX and overall platform performance.
Maintain smooth interaction between the web interface and deployed smart contracts.
Conduct testing, audits, and deployments across testnet and mainnet environments.
Optimize contract logic for performance, security, and gas efficiency.
Collaborate with our engineering team to identify pain points and deliver stable, secure solutions.
Requirements
Proven experience building full-stack decentralized applications.
Strong proficiency in Solidity, JavaScript/TypeScript, and modern frameworks (Angular, React, or Vue).
Hands-on experience with Hardhat or Foundry for smart contract development and testing.
Familiarity with Ethers.js or Web3.js for blockchain interaction layers.
Solid understanding of Ethereum, Polygon, or other EVM-compatible chains.
Experience integrating wallets such as MetaMask and managing on-chain/off-chain data flows.
Strong debugging skills, attention to detail, and a security-first mindset.
Nice to Have
Experience with smart contract security audits and gas optimization techniques.
Knowledge of Node.js-based backend services or API integration layers.
Previous experience with vesting, staking, or token distribution mechanisms.
Project Scope
This role supports a short-to-mid-term initiative focused on stabilizing and enhancing an existing crypto vesting platform. High-performing developers may have opportunities for ongoing collaboration across additional blockchain and product engineering projects.
Hiring Process
Technical Assessment - Selected candidates will complete a short, clearly scoped technical exercises designed solely to evaluate coding approach and smart contract knowledge.
CTO interview - A final discussion to evaluate technical reasoning, architectural thinking, and team fit. Successful candidates may receive an offer through Contra following this conversation.
Senior Blockchain Developer - Ethereum/PulseChain - GAM3S.GG
We're looking for a Senior Blockchain Developer with strong Ethereum/PulseChain smart contract experience to work on our DeFi/GameFi platform. You'll be building and maintaining betting contracts, yield farming mechanisms, token swap systems, and Web3 frontend integrations for our decentralized application on PulseChain.
Key Responsibilities
Smart Contract Development
System Architecture & Integration
Frontend Web3 Integration
Security & Compliance
Performance & Monitoring
Required Technical Skills
Blockchain Expertise
Frontend Web3 Development
Development Tools
Integration & Tools