We design, develop, and deploy production-grade smart contracts across every major blockchain. Solidity, Rust, Move — written with a Product Owner mindset.
Smart contracts are immutable programs that govern billions of dollars in on-chain value. A single vulnerability can lead to catastrophic loss of funds, as the history of DeFi exploits has proven time and again. At Arthiq, we treat every contract as critical infrastructure. Our engineers apply formal reasoning, extensive testing, and battle-tested design patterns to ensure your protocol launches with confidence.
The difference between a working smart contract and a production-ready one is enormous. Working code might pass basic tests, but production-ready code accounts for edge cases, gas efficiency, upgradeability, access control, and composability with the broader DeFi ecosystem. We bridge that gap by applying the same rigor that institutional-grade financial software demands.
Whether you are launching a new DeFi protocol, an NFT collection, a DAO governance system, or a custom on-chain application, our smart contract development services give you a team that owns quality from architecture to deployment. We are not freelancers filling tickets — we operate with a Product Owner mindset, taking responsibility for timelines, security, and long-term maintainability.
Every engagement begins with a thorough requirements analysis. We sit down with your team to understand the business logic, user flows, and economic model that your contracts must enforce. This phase produces a detailed specification document that maps every state transition, access role, and integration point. Getting the specification right prevents costly rewrites later.
From there, we move into architecture design. We select the optimal blockchain, determine whether a proxy upgrade pattern is needed, define the contract module boundaries, and plan the deployment strategy. For EVM chains, we typically use Hardhat or Foundry as our development framework, with OpenZeppelin libraries as the foundation for standard functionality like access control and token interfaces.
Development follows a test-driven methodology. We write unit tests, integration tests, and fuzzing campaigns alongside the contract code. Every function is tested for both expected behavior and adversarial inputs. Before any mainnet deployment, we conduct internal security reviews and can coordinate with external auditors. Our deployment scripts are versioned, reproducible, and include verification steps for block explorers.
We write smart contracts in Solidity, Rust, and Move — the three languages that power the vast majority of on-chain applications today. For Ethereum, Polygon, Arbitrum, Base, and Optimism, we develop in Solidity with deep knowledge of the EVM, gas optimization techniques, and the nuances of each L2 execution environment.
For Solana, we build programs using the Anchor framework in Rust, leveraging Solana's account model and parallel transaction processing for high-throughput applications. For Aptos and Sui, we develop in Move, taking advantage of its resource-oriented programming model that provides stronger safety guarantees at the language level.
This multi-chain capability means you are never locked into a single ecosystem. We can help you launch on one chain and expand to others, or deploy simultaneously across multiple networks with a unified codebase strategy. Our experience spans mainnet deployments across all of these platforms, so we understand the practical differences — not just the theoretical ones.
Security is not a phase in our process — it is embedded in every decision. We follow the checks-effects-interactions pattern, use reentrancy guards where appropriate, implement proper access control hierarchies, and design contracts to fail safely. Every external call is treated as potentially hostile, and every state change is validated before execution.
We also build comprehensive test suites that include fuzz testing and invariant testing using Foundry. These techniques generate thousands of random inputs to discover edge cases that manual testing would miss. Combined with static analysis tools like Slither and Mythril, we catch vulnerabilities before they reach production.
For high-value protocols, we recommend and coordinate third-party audits. We prepare audit-ready codebases with complete documentation, natspec comments, and test coverage reports. Our track record shows that contracts we submit for audit consistently come back with minimal findings, because the heavy lifting has already been done in our internal review process.
Deploying a smart contract is not the end of the engagement. Protocols evolve, markets shift, and new integrations become necessary. We provide ongoing support that includes monitoring, incident response planning, and contract upgrades when your architecture supports them. For upgradeable contracts, we use transparent proxy or UUPS patterns from OpenZeppelin, with careful storage layout management.
We also help teams build operational tooling around their contracts — admin dashboards, multisig configuration, timelocks for governance actions, and alerting systems that watch for unusual on-chain activity. This operational layer is what separates protocols that survive market stress from those that struggle when things get complicated.
Arthiq operates as your dedicated Web3 development partner in Singapore, bringing the reliability and accountability of a product-focused studio to every smart contract project. Contact us at founders@arthiq.co to discuss your requirements.
Our team writes production-grade smart contracts across Ethereum, Solana, Aptos, and beyond. Let us bring your protocol to life.