We source, vet, and manage hiring so you can meet qualified candidates in days, not months. Strong English, U.S. time zone overlap, and compliant hiring built in.
.svg){kind=logo}
Cadence is a resource-oriented programming language designed specifically for smart contract development on the Flow blockchain, created by Dapper Labs and now maintained by Flow Foundation. Released in 2019, Cadence prioritizes safety, clarity, and developer experience over raw performance. The language enforces strong typing, explicit resource ownership, and stateful contract design patterns that prevent entire classes of smart contract bugs common in Solidity.
Cadence powers the NBA Top Shot ecosystem, which processed billions in transactions, and is used by major organizations building on Flow including NBA, Disney, and UFC. The resource-oriented model (distinct from account-based or UTXO models) means developers declare ownership explicitly, making Cadence contracts significantly safer against reentrancy attacks and fund theft vulnerabilities that plague other blockchains.
Unlike Solidity or Rust (used on Solana), Cadence is fully interpreted (no compilation step), making iteration fast. The language supports both contract development and transaction scripting, allowing developers to read and execute state in a single flow without multiple round trips.
Hire Cadence developers when you're building decentralized applications on Flow blockchain, particularly if your use case involves digital assets (NFTs, tokens, collectibles) with complex ownership models. Flow's design makes it ideal for consumer-facing dApps with high transaction throughput requirements.
Cadence is the right choice if you need to minimize smart contract vulnerabilities and prefer a language that enforces safety by design rather than through audits. The resource-based model is particularly valuable for applications managing transferable assets where explicit ownership tracking is critical.
Don't hire Cadence developers if you're building on Ethereum, Solana, or other blockchains where Solidity or Rust is the standard. Cadence is tightly coupled to Flow's execution model.
Most Cadence specialists combine blockchain expertise (understanding consensus, transaction models, state management) with the resource-oriented paradigm. Team composition typically includes Cadence developers, Flow infrastructure engineers for scaling concerns, and frontend developers building the dApp interface.
Junior Cadence developers should understand the basics of blockchain transactions, the resource model's ownership semantics, and be able to write simple smart contracts. They should be comfortable with Cadence's type system and know how to deploy to Flow testnet.
Mid-level Cadence engineers should have shipped production contracts on Flow, understand Cadence's capabilities module system and conditional borrowing, and be able to design contracts with complex token or asset logic. They've dealt with real concerns like state migrations and upgradeable contracts.
Senior Cadence developers demonstrate expertise in advanced resource patterns, composability across contracts (how to design public interfaces that other contracts safely call), and deep knowledge of Flow's execution model. They understand trade-offs between contract simplicity and composability.
Must-haves: Blockchain fundamentals, understanding of decentralized systems, and hands-on Cadence experience. Nice-to-haves: Solidity background (to appreciate Cadence's improvements), Flow-specific knowledge (Access Control Lists, Capabilities), and experience with token standards (Flow Fungible Token, Non-Fungible Token).
Red flags: Developers who claim Cadence expertise but have never deployed to mainnet, those who conflate Cadence with Solidity patterns, or anyone without demonstrated blockchain understanding.
Tell me about your most complex Cadence project. What challenges did you face and how did you solve them? Strong answers show domain depth and real problem-solving.
Walk me through your approach to debugging performance issues in Cadence code. Good candidates describe profiling tools, methodology, and concrete optimizations.
How do you stay current with Cadence developments? Listen for engagement with community, GitHub contributions, or research papers.
Describe a time you had to explain Cadence concepts to teammates without that background. How did you approach it? This tests communication and depth of understanding.
What's your most unpopular Cadence opinion or criticism? Good candidates have thoughtful critiques and understand language trade-offs.
Explain the core design philosophy of Cadence and how it differs from alternatives. Correct answer should reflect deep understanding of language goals and trade-offs.
Walk me through a typical Cadence program structure and execution model. Test for demonstrated hands-on knowledge, not textbook answers.
What are the performance characteristics you focus on when writing Cadence code? Look for nuanced understanding of language-specific optimization patterns.
Describe how you'd approach a specific technical problem in your Cadence domain. Tailor to the candidate's background (parallel computing, blockchain, etc.).
What limitations or pain points have you encountered with Cadence? Good candidates acknowledge trade-offs and limitations honestly.
Write a Cadence solution (or pseudocode) for a domain-specific problem relevant to your hiring need. The challenge should be realistic (20-40 lines) and test both language knowledge and domain expertise.
Scoring: 1 point for syntax/correctness, 2 points for understanding language idioms, 2 points for performance awareness (if relevant), 2 points for code clarity, 2 points for approaching the domain problem correctly. A complete solution demonstrates both technical fluency and practical thinking.
Cadence is a specialized skill with limited availability. Professionals with deep expertise command senior-level rates. Cadence talent in LatAm is extremely scarce. Most professionals have blockchain development experience and command senior-level rates.
US salary comparison:
LatAm talent for this skill is concentrated in universities and research institutions in Brazil and Argentina. Many practitioners have academic backgrounds and combine Cadence with teaching or research roles.
Cadence talent is globally scarce. LatAm does have growing blockchain communities in Brazil, Argentina, and Colombia, though Cadence-specific expertise is rare. Brazilian blockchain engineers tend to concentrate in São Paulo and Rio. Argentina has a strong cryptocurrency culture and active developer communities in Buenos Aires.
The advantage of hiring from LatAm is cost efficiency combined with solid blockchain fundamentals. Many LatAm blockchain developers have shipped on Ethereum or Solana first and are eager to explore safer platforms like Flow. English proficiency is good among technical blockchain practitioners. Time zone coverage: Most LatAm Cadence engineers are UTC-3 to UTC-5, providing 6-8 hours of overlap with US East Coast. Many LatAm specialists have strong mathematical and scientific foundations from university training and are experienced remote collaborators on research projects.
South's matching for Cadence roles focuses on proven domain expertise. We vet through technical assessments and review of past projects, publications, or open-source contributions. Once matched, you interview candidates directly. If a hire doesn't work out in the first 30 days, South replaces them at no additional cost. South manages all compliance and payroll. Get started at https://www.hireinsouth.com/start.
Cadence is primarily used in specialized domains where it excels. See the "When Should You Hire" section for specific use cases.
If your project fits the use cases described in "When Should You Hire" section, Cadence can be highly effective. If you're building typical software applications, other languages are usually simpler.
See the Salary & Cost Guide section above for detailed ranges. Costs are 40-60% less than US rates for equivalent expertise.
Cadence talent is specialized. Hiring timelines vary from 2-4 weeks depending on availability. South maintains relationships with practitioners in LatAm.
Cadence typically requires at least mid-level experience due to the domain complexity. Junior developers are rare. Most hires will be mid-level or senior.
Yes. Cadence specialists often work on research or specialized projects and may be available for contract work. South can facilitate part-time arrangements.
Most are UTC-3 to UTC-5 (Brazil and Argentina), providing 6-8 hours of overlap with US East Coast.
We assess domain expertise through hands-on technical challenges, review projects they've shipped, and verify real-world experience with Cadence.
South offers a 30-day replacement guarantee. If the engineer doesn't work out, we'll replace them at no additional cost.
Yes. South manages all payroll, taxes, benefits, and local compliance. You pay a single invoice.
Absolutely. South can match and manage teams of Cadence specialists for larger research or engineering initiatives.
