Design and implement core Web3 protocol features and secure smart contracts. Develop and deploy Solidity-based contracts, ensure scalability and performance, review code, mentor junior engineers, and collaborate across teams to integrate blockchain and DeFi solutions.
Summary: Join a venture-backed Web3 startup at the forefront of innovation, creating next-generation social and financial primitives. As a Senior Software Engineer, you will design and develop core protocol features and secure smart contracts that will drive the future of decentralized technology.
Responsibilities:
- Architect and implement core protocol features for Web3 applications.
- Develop and deploy secure smart contracts using Solidity.
- Collaborate with cross-functional teams to integrate blockchain solutions.
- Ensure the scalability and performance of blockchain implementations.
- Stay updated with the latest developments in blockchain technology and EVM internals.
- Conduct code reviews and provide mentorship to junior developers.
Required skills:
- Proficiency in Solidity and TypeScript.
- Strong understanding of Ethereum Virtual Machine (EVM) internals.
- Experience in developing and deploying smart contracts on blockchain platforms.
- Knowledge of decentralized finance (DeFi) and blockchain protocols.
- Excellent problem-solving and analytical skills.
- Strong communication and collaboration abilities.
Similar Jobs
Blockchain • Fintech • Payments • Financial Services • Cryptocurrency • Web3
Build and evaluate fraud models for onboarding, login, account changes, and money movement. Develop labels, features, sampling strategies, thresholds, and production monitoring to detect account takeover, scams, money mules, and identity fraud. Transition third-party risk models to in-house solutions, measure model performance and drift, collaborate with fraud, risk, operations, and compliance teams, and evaluate AI agent workflows for transaction review and fraud-ring analysis.
Top Skills:
Ai AgentsBlockchain AnalyticsLightgbmPythonSQLXgboost
Blockchain • Fintech • Payments • Financial Services • Cryptocurrency • Web3
Senior Data Analyst responsible for building financial reporting data models, business logic, reporting layers, and automated solutions supporting regulatory compliance. Partners with product, engineering, accounting, treasury, and finance teams to investigate data issues, improve financial system transparency, resolve reporting problems, and communicate findings to technical and non-technical audiences.
Top Skills:
PythonRSQLSuperset
Blockchain • Fintech • Payments • Financial Services • Cryptocurrency • Web3
Provides legal leadership for M&A, strategic transactions, venture investments, and financial partnerships with banks and financial institutions. Independently manages deals from structuring and diligence through negotiation, signing, closing, and integration. Drafts and negotiates transaction and financial services agreements, coordinates cross-functional stakeholders, develops legal playbooks, and leads AI-enabled workflow improvements while protecting confidentiality, privilege, and legal judgment.
Top Skills:
BlockchainDigital AssetsGenerative AiPayments TechnologyStablecoins
What you need to know about the Boston Tech Scene
Boston is a powerhouse for technology innovation thanks to world-class research universities like MIT and Harvard and a robust pipeline of venture capital investment. Host to the first telephone call and one of the first general-purpose computers ever put into use, Boston is now a hub for biotechnology, robotics and artificial intelligence — though it’s also home to several B2B software giants. So it’s no surprise that the city consistently ranks among the greatest startup ecosystems in the world.
Key Facts About Boston Tech
- Number of Tech Workers: 269,000; 9.4% of overall workforce (2024 CompTIA survey)
- Major Tech Employers: Thermo Fisher Scientific, Toast, Klaviyo, HubSpot, DraftKings
- Key Industries: Artificial intelligence, biotechnology, robotics, software, aerospace
- Funding Landscape: $15.7 billion in venture capital funding in 2024 (Pitchbook)
- Notable Investors: Summit Partners, Volition Capital, Bain Capital Ventures, MassVentures, Highland Capital Partners
- Research Centers and Universities: MIT, Harvard University, Boston College, Tufts University, Boston University, Northeastern University, Smithsonian Astrophysical Observatory, National Bureau of Economic Research, Broad Institute, Lowell Center for Space Science & Technology, National Emerging Infectious Diseases Laboratories
