Crypto SQL Jobs
Quickly find and apply for SQL roles
Latest Web3 SQL Jobs:
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- Assess and enhance the existing hedging infrastructure e.g. by developing a new bot from scratch.
- Maintain the hedging bot by integrating new connectors for interacting with various AMM protocols across EVM and non-EVM networks.
- Identify, debug, and test code issues to ensure stability and efficiency.
- Backtest strategies to analyze performance and adjust rebalancing thresholds based on market volatility.
- Develop and maintain a live reporting system to monitor performance metrics and provide actionable insights.
- Proficiency in Python.
- Experience with one of the main smart contract languages eg Solidity or Move.
- Experience with algorithmic trading.
- Strong background in data analysis and backtesting trading strategies.
- Proficiency in SQL databases, GraphQL sources, and handling time-series data.
- Familiarity with TypeScript, Rust.
- In-depth understanding of major DeFi AMMs(e.g., Curve, Uniswap V2/V3, Aerodrome).
- Familiarity with Linux environments and Git version control.
- A dynamic and collaborative work environment
- Opportunities for professional growth and development in a rapidly evolving and dynamic industry
- Remote-first set up with opportunities to meet with the team in person
- Competitive package
- Your resume.
- A cover letter detailing your interest in the role.
- Your response to the following challenge:
- Create a high-level logic description and workflow chart for a trading bot that hedges impermanent loss on a Uniswap V2 ETH/USDC pool using perpetuals on Binance. Include a backtest of your strategy.
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Blockchain Data Engineer @ Nethermind
- Run a scalable, efficient blockchain indexed data platform
- Extract, Transform and Load data from blockchain RPCs
- Assist with data analysis queries
- Design database schema that is performant, scalable, and maintainable
- Interact with the product teams to provide data and build the applications they are requesting
- Interact with field experts and answer internal/external questions related to data extraction
- Build cloud infrastructure to support data engineering efforts.
- Experience/strong interest in blockchain
- Proficient with Python and at least one of the following: JavaScript/TypeScript, Golang, or Rust.
- Strong understanding of distributed systems, Restful APIs and hands-on experience with JSON-RPC endpoints
- Experience with writing infrastructure as code for cloud deployments and microservices for task automation.
- Proven success in communicating with users, other technical teams, and senior management to collect requirements, and describe data modeling decisions and data engineering strategies
- Comfort with writing & optimizing SQL queries
- Experience working with data-pipeline engines (Airflow, Dagster)
- Experience working with big data query engines (Apache Spark, Trino, Presto)
- Experience building reliable infrastructure on the Cloud (AWS, preferred, GCP, Azure) or willing to do so.
- Experience in fault-tolerant infrastructure & real-time system monitoring
- A genuine interest in the functioning of the networks you are working with
- General knowledge of how PoS consensus mechanisms work
- Experience with Terraform or infrastructure as a code
- Fully remote
- Flexible working hours
- Plus equity
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- Work with A-Players: Our engineering and research teams are some of the best in the space—prepare to level up by collaborating with them daily.
- Big Impact, Big Ownership: You’ll architect, build, and deploy systems that could redefine how people experience blockchain products.
- Cutting-Edge Tech: You won’t be stuck with legacy systems—expect a steady flow of new protocols, frameworks, and (optional) AI integrations to keep things fresh.
- Collaborative Culture: We take our work seriously—but we also believe in having fun, sharing memes, and celebrating each other’s wins.
- Frontend Mastery: Craft high-performance, modern React (or similar) applications that delight users and scale smoothly.
- Backend Engineering: Design APIs (REST or GraphQL), optimize database interactions (SQL/NoSQL) and build robust cloud-native services.
- Architect for Scale: Sketch out microservices, data pipelines, and other high-availability solutions that can grow with our user base.
- Optimize & Refine: Spot performance bottlenecks and kill them before they kill us.
- Code Reviews & Mentorship: Uphold high standards by giving and receiving thoughtful, constructive feedback.
- Cross-Functional Input: Work closely with product, design, and DevOps to ensure seamless rollouts and robust production systems.
- Innovation at the Core: Research emerging tech—especially blockchain protocols and AI—and propose how we can wield them.
- Experiment & Iterate: Pilot new tools, frameworks, or processes. If it makes us better, let’s do it.
- Own It End-to-End: From the first line of code to the final deploy, you’re responsible for delivering secure, stable, and high-quality solutions.
- Multiple Years in professional software development. You’ve tackled complex, large-scale projects and thrived.
- Fullstack Expertise: From writing impeccable React components to designing backends in Node.js, GO, Rust or Python.
- System Design & Architecture: You know how to build services that won’t break under pressure—microservices, caching strategies, database sharding, you name it.
- Performance Focus: Terms like “high throughput” and “low latency” aren’t just buzzwords to you; they’re part of your daily vocabulary.
- Best Practices: You never skip tests, you don’t do “quick hacks,” and you treat CI/CD pipelines like your best friend.
- Ownership & Drive: You see problems and can’t help but fix them.
- Team Player: You communicate clearly, listen actively, and love a good brainstorming session.
- Always Growing: You stay up-to-date with tech trends and are curious about areas like blockchain, AI or Quantum computing.
- Blockchain Know-How: Familiarity with smart contracts, DeFi protocols, or web3 libraries.
- AI Curiosity: Even if it’s just side projects or tinkering with AI agents, we love that forward-thinking spirit.
- Small Team Leadership: If you’ve led a tight-knit group of devs, share those stories!
- Serious Impact: Your code and ideas will shape next-gen decentralized solutions used by an ever-growing community.
- Learning on Steroids: Our projects span everything from cutting-edge blockchains to AI enhancements—there’s always something new to dive into.
- Flexible & Remote: We trust you to do your best work from wherever you are, on your own schedule.
- Top-Notch Compensation: We offer a competitive salary + potential for equity—because top talent deserves top rewards.
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- Design and implement data models using dbt and SQL for blockchain data analysis
- Create comprehensive analytics product specifications and metric definitions
- Develop and maintain data pipelines for both on-chain and off-chain data sources
- Collaborate with Data Product team on initiatives
- Mentor team members on blockchain data analysis best practices
- Collaborate with Product and Data Science teams to define analytical requirements
- Contribute to the development of standardized blockchain data frameworks
- 3+ years of experience working with complex data sets
- Demonstrated expertise in blockchain data structures and analysis
- Advanced SQL skills, particularly with modern data warehouses (Snowflake, Athena, etc.)
- Proficiency in dbt and data modeling (star schema, dimensional modeling)
- Strong background in ETL pipeline development
- Excellent problem-solving abilities and analytical mindset
- Data Warehousing: Snowflake, Athena, Hive, PostgreSQL, SQL Server
- Data Modeling: dbt, dimensional modeling, star schema
- Domain Knowledge: Blockchain protocols, smart contracts, DeFi metrics
- Programming: SQL (required), Python (bonus)
- Outstanding written and verbal communication
- Self-directed project management capabilities
- Ability to thrive in ambiguous environments
- Strong collaboration and mentorship abilities
- Excellent stakeholder management
- Experience with multiple blockchain protocols
- Contributions to blockchain analytics open-source projects
- Background in DeFi or crypto-native companies
- Experience working with real-time blockchain data
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Growth Analyst @ Chorus One
- Analyze Growth Areas: Collaborate with Product and Business Development (BD) teams to identify key growth opportunities, developing insights to optimize product offerings.
- Market Research: Address the total addressable market and conduct in-depth market research focused on customer needs, customer clusters, market trends, and competitor positioning.
- Customer Segmentation: Conduct customer segmentation analysis to identify high-value customer groups, ensuring targeted messaging and outreach.
- Business Case Development: Draft business cases for targeted campaigns, providing actionable recommendations and data-driven insights for the BD team.
- Campaign Coordination: Work with the BD, Marketing and Product teams to coordinate and execute campaigns that align with strategic growth initiatives.
- Pricing Strategy Support: Own pricing calculators to maintain desired margin levels
- Reporting & Analysis: Use data to track the effectiveness of growth initiatives, providing regular updates and recommendations for improvement.
- Cross-Functional Collaboration: Work closely with Product, BD, and Marketing teams to align growth initiatives and ensure data-driven decision-making.
- Bachelor’s degree in Business, Economics, Statistics, Marketing, or a related field.
- 3-5 years of experience in growth analytics, business intelligence, or a related analytical role.
- Strong passion for the blockchain industry, past work experience is a plus
- Strong proficiency in data analysis tools (e.g., Excel, SQL, Python, Google Analytics, etc.).
- Experience with pricing strategy development and market positioning.
- Understanding of the professional investor space, including knowledge of customer needs and trends.
- Strong communication and presentation skills, with the ability to translate complex data into actionable insights for cross-functional teams.
- Proven ability to work with cross-functional teams to execute data-driven strategies.
- Excellent communication and presentation skills, with the ability to translate complex data into actionable insights.
- Self-starter with a growth mindset, capable of working in a fast-paced environment.
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Senior Software Engineer @ Helius
- Design, implement, and maintain scalable and reliable backend infrastructure to support our growing suite of developer tools and services
- Collaborate with cross-functional teams to ensure seamless integration of infrastructure components with existing systems
- Identify bottlenecks and optimize performance of our services to handle increasing traffic and load
- Develop monitoring and alerting systems to maintain high levels of system availability and performance
- Continuously improve system architecture, security, and best practices to stay up-to-date with industry standards
- Mentor and support other team members in understanding and implementing complex technical concepts
- 3+ years of experience in backend development and infrastructure engineering, with a focus on distributed systems
- Strong understanding of blockchain technology, particularly the Solana ecosystem
- Proficient in programming languages such as Rust, Go, and Typescript
- Experience with cloud computing platforms (AWS, GCP, Azure) and containerization technologies (Docker, Kubernetes)
- Knowledge of database technologies (SQL, NoSQL) and data processing frameworks (Apache Kafka, RabbitMQ)
- Strong problem-solving and analytical skills, with the ability to adapt to new technologies quickly
- Excellent communication and collaboration skills, with a high degree of ownership and agency
- Competitive salary and equity package
- Flexible work hours and remote-friendly environment
- Generous vacation and time-off policy
- Opportunities for personal and professional growth in a fast-paced, dynamic industry
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Senior Full Stack Engineer @ Golem Foundation
- Design, build, and maintain scalable front-end and back-end systems that meet performance and reliability goals.
- Seamlessly integrate blockchain technologies into our applications, focusing on interoperability and user experience.
- Collaborate with a cross-functional distributed team to iterate quickly and deliver value to users
- Build and maintain scalable Web3 integrations, with particular focus on DeFi protocols and infrastructure
- Architect and optimize database solutions that bridge traditional and blockchain data systems
- Contribute to technical decision-making that balances innovation with practical implementation
- Proactively identify bottlenecks, optimize code, and scale systems for high performance in a rapidly evolving environment.
- Help providing technical guidance, driving best practices for clean, maintainable, and efficient code.
- 5+ years of full-stack engineering experience
- Strong proficiency in TypeScript, React, Node.js, GraphQL, SQL databases
- Demonstrated experience with blockchain technologies, including EVM-compatible chains, smart contracts, and web3 libraries
- Deep understanding of DeFi protocols and decentralized systems
- Track record of shipping and maintaining production applications
- Experience with modern development workflows and CI/CD practices
- Deep alignment with Web3 principles and decentralized technology
- Passionate about the future of DeFi and its potential positive impact
- Strong problem-solving abilities with a proactive, ownership-driven mindset
- Comfortable working in a remote-friendly, fast-paced, iterative environment
- Proven ability to balance pragmatic solutions with innovation
- Adaptability and willingness to dive into new challenges and unfamiliar technologies.
- The time overlap for the team is 8 AM - 12 PM EST (2 PM - 6 PM CET)
- Experience with the Safe ecosystem and tools like Zodiac.
- Knowledge of Solidity or Vyper, with experience building smart contracts or dApps.
- Previous work with DeFi protocols or DAOs
- Familiarity with blockchain data structures, such as graphs, subsquids, or substreams.
- Prior experience developing applications driven by personal curiosity or frustrations.
- Contributions to open-source Web3 projects
- Opportunity to shape the future of decentralized finance and public goods funding
- Remote-friendly work environment
- Collaborative team culture focused on innovation
- Competitive compensation package
- Continuous learning and development opportunities
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- Product Metrics and Reporting: Track, analyse, and report on key performance metrics, including channel performance, user activation and retention, TVL, trading volume, and other KPIs.
- Market Research: Conduct in-depth market analysis to identify emerging trends within the Bitcoin and DeFi ecosystem.
- Identify DeFi Opportunities: Regularly prepare and update reports about investment opportunities on BOB for our institutional partners.
- Data Infrastructure: Together with the engineering team, design and build foundational data systems, including ETLs, dashboards, and analytics that drive data-driven decision-making and support scalable business growth.
- Proven ability to lead complex analytical projects from concept to completion, especially in web3 environments.
- Advanced proficiency in SQL and Python through your experience as business or data analyst or other quant-related position.
- Deep understanding of DeFi, including protocols, block explorers, and data sources.
- Eagerness to improve products through fast experimentation, A/B testing, and a data-driven approach.
- Enjoy working in a results-driven and fast-paced startup environment.
- Research-oriented team
- Solve novel problems
- Stock options
- Remote working
- 30-day vacation
- Allowance for a co-working space
- Yearly retreat
Re7 Capital is hiring a DeFi Developer
About us
Re7 Capital is a London-based cryptoasset investment firm, utilising our deep crypto network and proprietary data infrastructure to drive investment decisions for a number of DeFi and alpha strategies. We also work with leading projects and blockchains to design their DeFi ecosystem, provide on-chain risk curation and vault management services through Re7 Labs. Re7 has a dynamic team with a strong background in investment management, data science and crypto.
The role
To support the continued expansion of the firm, we are seeking a motivated DeFi Developer to join our team. Reporting directly to the Head of Technology, you will take full ownership of our hedging bot, which ensures delta neutrality by managing deposits into AMM protocols and shorting equivalent long exposures on perpetual exchanges.
Responsibilities
Requirements
Benefits
Application process
Apply now
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Nethermind is hiring a Blockchain Data Engineer
What are we all about?
We are a team of builders and researchers on a mission to empower enterprises and developers worldwide to access and build on decentralized systems.
Our expertise covers several domains: Ethereum and Starknet protocol engineering, layer-2, AI, cryptography research, protocol research, decentralized finance (DeFi), security auditing, formal verification, real-time monitoring, smart contract development, and dapps and enterprise engineering.
Working to solve some of the most challenging problems in the blockchain space, we frequently collaborate with renowned companies, such as Ethereum Foundation, Starknet Foundation, Gnosis Chain, Flashbots, Forta Protocol, Lido, EigenLayer, Open Zeppelin, RISCZero, Aleph Zero, and many more.
Today, we are a 350+ strong team working remotely across 66+ countries.
About
Starknet is the fastest-growing network in terms of new developers joining the network. Nethermind builds many developer-facing tools that need to work seamlessly in this fast-paced blockchain. This ecosystem needs contributors with a quality mindset, capable of applying their craftsmanship and systematic creativity to improve its components. Your software engineering experience and ability to rally developers around you could mean the difference between a flawless network upgrade and a community forking event. Do you have what it takes?
As a Blockchain Data Engineer, you will be responsible for extracting on-chain data from various PoS networks. You will be the reference within the company to provide reliable data necessary to perform multiple analyzes and to produce reporting and invoicing.
Responsibilities:
You Have:
Nice to have:
Perks and benefits:
Keep up to date on what we are working on by following us on our social channels:
Apply now
Please let Nethermind know you found this position on CryptoJobster.com as a way to support us so we can keep providing you with quality crypto jobs.
Nethermind is hiring a Senior Fullstack Engineer – Great Generalist
What are we all about?
We are a team of builders and researchers on a mission to empower enterprises and developers worldwide to access and build on decentralized systems.
Our expertise covers several domains: Ethereum and Starknet protocol engineering, layer-2, AI, cryptography research, protocol research, decentralized finance (DeFi), security auditing, formal verification, real-time monitoring, smart contract development, and dapps and enterprise engineering.
Working to solve some of the most challenging problems in the blockchain space, we frequently collaborate with renowned companies, such as Ethereum Foundation, Starknet Foundation, Gnosis Chain, Flashbots, Forta Protocol, Lido, EigenLayer, Open Zeppelin, RISCZero, Aleph Zero, and many more.
Today, we are a 350+ strong team working remotely across 66+ countries.
*How to Know If You’re the Right Fit
If you live for deep, mind-bending problems and take pride in building both slick frontends and rock-solid backends, keep reading. We’re looking for engineers who don’t just code—they innovate. Those who own their projects from end to end and constantly push for better performance, better architectures, better everything.
Why This Role Is Exciting
What You’ll Be Doing
1. Fullstack Wizardry
4. Continuous Improvement
What We’re Looking For
1. Proven Experience
2. Technical Chops
Bonus Points For
What’s in It for You
Ready to Raise the Bar?
We’re not after a flood of CVs. We want the CV—one that demonstrates a passion for solving tough problems, building epic fullstack solutions, and pushing boundaries. If you’re that person, we can’t wait to talk.
Keep up to date on what we are working on by following us on our social channels:
Apply now
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Flipside Crypto is hiring a Analytics Engineer, Blockchain Data Specialist
Flipside orchestrates blockchain growth through a powerful mix of data, science and community. We drive measurable market cap growth for blockchain ecosystems, empower analysts with industry-leading data, and empower anyone to earn tokens by shaping the onchain economy.
At the heart of our approach is a proprietary wallet scoring methodology that transforms raw onchain data into actionable growth strategies. This highly quantitative framework drives meaningful ecosystem awareness, acquisition, and activation - and has catalyzed billions in value creation for Flipside partners like Solana, Avalanche, NEAR, Aptos and more.
Founded in 2017, and backed by leading investors like Republic, Galaxy, and True Ventures; Flipside is a remote-first company with a global team of nearly 100. With an energetic community of 180,000 analysts, and dozens of top-tier blockchain partners, growth knows no bounds at Flipside.
About Us
The Data Analytics Team at Flipside Crypto builds cutting-edge analytics products for the blockchain industry. We’re seeking an Analytics Engineer to help expand our analytics capabilities and serve as a bridge between our technical teams and customers.
Position Overview
This is a fully remote position open to international candidates. As an Analytics Engineer, you’ll play a crucial role in designing and implementing data solutions while serving as a subject matter expert for blockchain analytics.
Core Responsibilities
Required Qualifications
Technical Skills
Soft Skills
What Sets You Apart
Apply now
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Chorus One is hiring a Growth Analyst
Position Overview:
As a Growth Analyst you will conduct market research and collaborate with cross-functional teams to drive targeted campaigns and refine our go-to-market strategy. This role requires a mix of data analysis, strategic thinking, and collaboration to help the company scale effectively.
Requirements:
What We Offer:
We offer a salary range of 70,000-100,000 USD in your preferred local currency or stable coins, complemented by stock options, giving you a stake in the exciting future we’re building together.
We’re committed to your development! Benefit from an annual 3,000 CHF learning budget that goes beyond just conferences—supporting your physical, emotional, and mental well-being too. Attend up to two conferences a year to dive deeper into the Web3 space and connect with the community. Plus, jumpstart your crypto journey with our $1,000 Crypto Starter Kit to explore and engage with cryptocurrencies hands-on.
🤝 Collaborative Culture
Collaboration is woven into our DNA. We thrive in multiplayer settings, ensuring every voice contributes to our mission. Connect across teams through our buddy programs, regular virtual coffee chats, and biannual retreats, which offer unparalleled opportunities to build stronger relationships while tackling some of the industry’s most exciting challenges.
✈️ Retreats in Iconic Destinations
Twice a year, we bring the entire team together for all-expenses-paid retreats in inspiring locations. Past retreats have taken us to Kenya, the USA, South Korea, Switzerland, Spain, Turkey, Thailand and Dubai. Our next stop? Kyoto, Japan! These retreats are designed to recharge, connect, and spark innovation.
🏡 Work From Anywhere
Embrace remote flexibility that empowers you to work from anywhere in the world. Prefer a coworking space? We’ve got you covered with a 500 CHF/month coworking budget. And for those growing their families, enjoy paid parental leave to ensure your personal and professional lives align seamlessly.
🗣️ Radical Transparency
We practice radical candor, fostering an environment of open, honest feedback that helps us grow individually and as a team. Expect a culture where learning from each other is not just encouraged—it’s celebrated.
💼 Employment
We offer flexibility to suit your individual needs. With the ability to provide local employment in over 150 countries, you’ll have access to local benefits tailored to your region. Prefer contractor status instead? That’s an option too. During the offer, we work with you to determine the best arrangement, ensuring your experience aligns with your personal and professional preferences.
✨ Curious to see what life at Chorus One is really like? Check out these videos for a behind-the-scenes look:
Apply now
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Helius is hiring a Senior Software Engineer
About Helius
Helius is a leading developer platform on the Solana blockchain, dedicated to inspiring and accelerating the creation of crypto-powered software. Our mission is to empower developers and businesses by providing them with the tools and resources they need to build the future of decentralized applications. We specialize in developing RPCs, indexers, webhooks, APIs, and more for the Solana ecosystem.
We’ve raised over $34M from Haun Ventures, Founders Fund, Foundation Capital, 6th Man Ventures, Reciprocal Ventures, Chapter One and angel investors including Solana co-founders Anatoly Yakovenko and Raj Gokal, and Balaji Srinivasan. Our team members have previously built mission-critical, scalable infrastructure at AWS, Coinbase, Stripe, Google, Digital Ocean, and more. Here is the Helius Manifesto so you know what to expect if you join Helius.
Role Description
We are looking for a Senior Backend/Infrastructure Engineer with experience in building and scaling distributed systems to join our growing team. If you have a passion for blockchain technology and a high sense of ownership, we’d love to hear from you!
Responsibilities:
Requirements:
What We Offer
Helius is an equal opportunity employer.
Apply now
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Golem Foundation is hiring a Senior Full Stack Engineer
About the Role
We’re seeking an experienced Full-Stack Engineer who is passionate about building the future of decentralized finance (DeFi) and Web3. In this role, you will be instrumental in developing innovative solutions that blend public goods funding mechanisms with integrated social and financial functionalities, creating a new paradigm for on-chain social interaction. The ideal candidate will combine technical excellence with strong values alignment and a genuine interest in advancing decentralized technologies.
Core Responsibilities
Required Qualifications
Nice-to-Have Experience
What We Offer
We believe in building technology that empowers users while maintaining the highest standards of security and reliability. If you share our vision for a more decentralized future and have the technical skills to help build it, we’d love to hear from you.
Apply with email
agnieszka@golem.foundationPlease let Golem Foundation know you found this position on CryptoJobster.com as a way to support us so we can keep providing you with quality crypto jobs.
BOB is hiring a Data Analyst
We are BOB, a hybrid L2 to build and launch Bitcoin applications. Our mission is accelerating the world’s transition to a fair and transparent financial system through Bitcoin as a credibly neutral, global settlement asset. We believe in a world with access to finance for everyone, everywhere, in a secure and usable manner.
The role
As a Data Analyst for BOB, you will be leading the quantitative insights to grow and direct decisions at BOB. You are the main person responsible for analysing various on- and off-chain data sources to create and track KPIs and identify trends with a deep product understanding. You will work closely with the product, business, and marketing teams to formulate hypothesis and deliver actionable recommendations focussing on DeFi on BOB.
What you will do
Requirements
Benefits
Apply now
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