Staff Blockchain Engineer

Full time
Remote
Compensation is not specified
Role
Software Engineer
Description

Company Overview

Ex Populus is a dynamic game development studio led by experts from well-known companies like Pixar, Ubisoft, Activision, and Blizzard. The team is currently working on two highly anticipated games, Final Form and LAMOverse. As pioneers in deploying games on the Xai Blockchain, Ex Populus is setting the stage for other developers to follow suit.

Position Overview

Ex Populus is seeking a qualified Staff Blockchain Engineer to join their team remotely. The role involves contributing to the creation of an autonomous world on Xai, the premier L3 in the Arbitrum ecosystem.

Requirements

  • Previous experience as a tech lead or staff software engineer in relevant Blockchain technologies.
  • A minimum of 7 years of industry experience in software engineering.
  • Proficiency in EVM environments and Solidity.
  • Demonstrated history of working on dApps or protocols that have reached production and scalability.
  • Familiarity with cross-chain messaging protocols.
  • Ability to collaborate effectively with various teams, such as game designers and developers.
  • Dedication to staying current with the latest blockchain advancements.
  • Experience in building upgradable contracts through UUPS, Transparent Proxies, or Diamonds.
  • Fluent in English and capable of working 8 hours per day.
  • Ability to work closely with the Vancouver team (Pacific Timezone) for at least 4 hours per weekday.
  • Experience working with non-standard, custom smart contracts.

Responsibilities

  • Lead the development of significant business-critical projects.
  • Develop smart contracts within set timelines and quality standards.
  • Audit smart contracts for security and functionality.
  • Oversee the integration of Solidity code across platforms.
  • Manage all phases of blockchain development.
  • Ensure seamless integration of blockchain with existing applications.
  • Translate complex requirements into efficient code.
  • Design, develop, and test blockchain systems.
  • Create effective solutions for critical business challenges.
  • Adapt to changing requirements in an agile development environment.
  • Mentor and support team members to enhance their skills.

Ex Populus was founded by industry veterans with significant accolades, including numerous Oscar, Emmy, and Annie nominations among the team members. The diverse team has background experiences from prestigious companies like Ubisoft, Blizzard, Activision, Love Death & Robots, Pixar, Illumination, and Wargaming. We eagerly anticipate discussing this opportunity with you!

Skills Required
Avatar
Expopulus
Company size
Not specified
Location
United States
Description
Not specified

More Full-time Jobs

Show more

Product Manager – Portfolio Companies

Full time
Remote
Product Manager – Portfolio Companies
Sirex Portfolio Companies 
Salary: $135,000 – $190,000 USD base + equity 
Location: Remote-first
About the role Own product strategy and roadmap for 1–2 portfolio projects (DeFi protocols, trading platforms or RWA infrastructure).
What you’ll do
Define vision, prioritize features and write specs
Work directly with smart-contract and frontend teams
Design user flows and drive product-market fit
Run user research and iterate fast
Requirements
4+ years Product Management experience
Previous Web3/DeFi product experience mandatory
Strong technical intuition
Apply → Send CV + 1 strongest product case
Payment in Crypto
11,250-15,833
Monthly
See details

Frontend Engineer – Web3 Products

Full time
Remote
Frontend Engineer – Web3 Products
Sirex Portfolio Companies 
Salary: $120,000 – $175,000 USD base + equity 
Location: Remote-first
About the role Build beautiful, high-performance frontends for DeFi, RWA and agent platforms (Next.js + Wagmi/Viem stack).
What you’ll do
Ship trading interfaces, dashboards and wallet flows
Optimize for mobile and lightning-fast UX
Integrate with smart contracts and oracles
Work directly with design and product teams
Requirements
3+ years Next.js / React + TypeScript
Strong experience with Wagmi, Viem, RainbowKit or similar
Web3 product intuition (wallets, transactions, gas UX)
Apply → Send CV + GitHub
Payment in Crypto
10,000-14,583
Monthly
See details

On-Chain Data Analyst

Full time
Remote
On-Chain Data Analyst
Sirex Fund + Portfolio 
Salary: $110,000 – $160,000 USD base + equity 
Location: Remote-first
About the role 
Turn raw blockchain data into actionable investment insights and portfolio monitoring tools.
What you’ll do
Build and maintain Dune dashboards + custom indexers
Track TVL, user activity, token flows and protocol health
Create weekly investment memos and anomaly alerts
Support due diligence with on-chain forensics
Requirements
Strong SQL + Python experience
Deep knowledge of The Graph, Dune, Flipside or custom subgraphs
Previous crypto research or trading background
Apply → Send CV + 1 example Dune dashboard
Payment in Crypto
9,167-13,333
Monthly
See details

Operations Associate / Chief of Staff

Full time
Remote
Operations Associate / Chief of Staff
Sirex Fund Salary: $95,000 – $135,000 USD base + carry Location: Remote-first
About the role Be the right-hand person to partners: run fund operations, portfolio support and internal processes.
What you’ll do
Manage deal flow, data rooms and investment memos
Coordinate portfolio reporting and founder updates
Handle legal, compliance and admin tasks
Support events, LP communication and hiring
Requirements
2–4 years in VC, startup ops or consulting
Extremely organized and fast-moving
Web3/native crypto understanding is mandatory
Apply → Send CV + short note “Why you’d be a great CoS”
Payment in Crypto
7,917-11,250
Monthly
See details

Community & Growth Lead

Full time
Remote
Community & Growth Lead
Sirex Portfolio Companies Salary: $110,000 – $155,000 USD base + equity + token package Location: Remote-first
About the role Own community strategy and growth for 2–3 portfolio projects (AI agents, RWA platforms, DeFi protocols).
What you’ll do
Build and scale Telegram, Discord, X and on-chain communities
Run engagement campaigns, AMAs, airdrops and incentive programs
Create content calendars and growth experiments
Track metrics and report directly to founders
Requirements
3+ years community/growth experience in Web3
Proven track record of growing communities from 0 to 10k+ active members
Strong writing and meme/game theory skills
Apply → Send CV
Payment in Crypto
9,167-12,917
Monthly
See details