Senior Staff Smart Contract Engineer - Remote & Equity

Activision Blizzard; Seattle (WA); On-site; USD 180,000 - 280,000; Full time

Benefits offered by this job

Remote work

Unlimited PTO

Paid travel for team on-sites

Medical insurance (US & Canada)

Equity and tokens

Job summary

Ex Populus is a game‑dev studio building on Web3 with a fully remote, international team. We are looking for a senior engineer, tech lead, or staff+ software engineer with deep blockchain experience to shape large on‑chain ecosystems.

You will design and implement Solidity smart contracts, EVM‑based architectures, and upgradable proxy patterns, collaborating with cross‑functional teams to deliver Web3 gaming experiences at scale.

Qualifications

• 5+ years of industry experience in blockchain technologies.
• Advanced understanding of EVM and Solidity.
• Experience with upgradable contracts (UUPS, proxies, diamonds).
• Proven track record delivering Web3 products to production.
• Strong collaboration with cross‑functional teams.

Responsibilities

• Collaborate with AAA game-design veterans to create next-generation fully on-chain games and ecosystems powered by Arbitrum’s first L3 ecosystem, Xai.
• Design and architect the largest and most ambitious smart contract ecosystems using cutting-edge EIPs and internal architectures.
• Write smart contracts in Solidity (and Stylus?) to implement unique ideas that have never before been on chain.
• Design and implement games, DAPPs, and infrastructure that drive the next era of Web3 gaming.
• Coordinate with highly talented teams—game designers, artists, and developers—to deliver Web2-grade experiences on chain.

Skills

Blockchain experience

Solidity

EVM architectures

Leadership

Cross-functional collaboration

Job description

Ex Populus is a game‑dev studio building on Web3 with a fully remote, international team. We are looking for a senior engineer, tech lead, or staff+ software engineer with deep blockchain experience to shape large on‑chain ecosystems.

You will design and implement Solidity smart contracts, EVM‑based architectures, and upgradable proxy patterns, collaborating with cross‑functional teams to deliver Web3 gaming experiences at scale.