Web3 engineering

Web3 Development Company.

Audited smart contracts, DeFi protocols, DApps and on-chain infrastructure engineered for value that cannot be lost.

Overview

What Web3 Development covers

RUNTIMESOLUTION is a Web3 and blockchain development company that builds on-chain systems for teams holding real value. We design and ship audited smart contracts, DeFi protocols, DApps and the infrastructure around them, from the first architecture diagram through to mainnet and the monitoring that follows it.

Blockchain code is unusual in that it is public, immutable and directly attached to money. A bug is not a support ticket, it is a loss. So we treat smart contract development as a security discipline first and a product discipline second: threat modeling before implementation, invariant and fuzz testing alongside unit tests, and an external audit trail you can hand to investors or an exchange.

Our engineers have shipped tokenization systems, cross-chain bridges, staking and lending mechanisms, and the wallet and indexing infrastructure that makes them usable. Every engagement is run by senior people who have deployed to mainnet before.

Capabilities

How we deliver it

01

Smart contract development

Solidity and Rust contracts written against a documented threat model, covered by unit, invariant and fuzz tests, and prepared for external audit before a single token is at risk.

02

DeFi protocol architecture

AMMs, lending markets, staking, vaults and yield mechanisms designed with the economic edge cases modeled up front, not discovered in production.

03

DApp and frontend engineering

Wallet-native interfaces with reliable transaction states, gas estimation and failure handling, so users understand what they are signing and what it cost.

04

Cross-chain and bridge integration

Multi-chain deployments and message-passing built with an explicit trust model, because most bridge exploits are architecture failures rather than coding errors.

05

Tokenization and RWA infrastructure

Token standards, vesting, treasury tooling and real-world-asset rails engineered alongside the compliance constraints they have to satisfy.

06

Security review and audit prep

Independent architecture and code review, gas profiling, and remediation support that shortens the expensive part of a third-party smart contract audit.

Technology

Web3 Development stack

  • Solidity
  • Rust
  • Foundry
  • Hardhat
  • Ethereum
  • Base
  • Arbitrum
  • Optimism
  • Solana
  • Polygon
  • Cosmos
  • Hyperledger
  • viem / wagmi
  • The Graph
  • IPFS
  • Chainlink
  • Safe
  • Slither & Echidna
Who it's for

Right fit if

  • Protocol teams preparing for a mainnet launch or external audit
  • Funded startups building a token, DApp or DeFi product
  • Enterprises adding tokenization or on-chain settlement to existing systems
  • Teams inheriting an unaudited contract base that now needs to be trusted
Questions

Web3 Development FAQ

01

What does a Web3 development company actually do?

It designs, builds, tests and deploys the on-chain part of a product: the smart contracts that hold logic and value, the infrastructure that indexes and serves chain data, and the application layer users interact with. In our case it also covers the security work around that code, including threat modeling, invariant testing and audit preparation.

02

How much does smart contract development cost?

It depends almost entirely on how much value the contracts will hold and how novel the mechanism is. A standard token with vesting is a small, well-understood build. A new lending or AMM mechanism carries economic risk that has to be modeled and tested, which is where most of the effort goes. We scope against those risks and quote a fixed price for defined work, or run an embedded team where the roadmap is still moving.

03

Do you audit smart contracts, or do we still need a third-party audit?

We do internal security review, invariant and fuzz testing, and full audit preparation, and that materially reduces both the cost and the findings count of an external audit. We still recommend an independent third-party audit before mainnet for anything holding meaningful value. A team auditing its own code has an obvious blind spot, and we would rather say so than pretend otherwise.

04

Which blockchains do you build on?

Most of our work is on Ethereum and the EVM ecosystem, including Base, Arbitrum, Optimism and Polygon, plus Solana for Rust-based work. We pick the chain against your users, liquidity and cost constraints rather than defaulting to whichever is fashionable.

05

Can you take over an existing codebase?

Yes. A large share of our work starts as an inherited repository that needs to be understood, made safe and then moved forward. We begin with an architecture and security review so you get an honest written picture of what you have before anyone commits to a roadmap.

06

How long does a Web3 build take?

A focused contract system with a frontend typically runs six to twelve weeks to production. A full DeFi protocol with novel mechanism design, an audit cycle and a mainnet launch is usually three to six months. We give a real timeline after a scoping conversation, not before it.

Let's build the technology behind your future