Senior Frontend Engineer - Wallet Experience
BitGo, a renowned infrastructure provider of digital asset solutions, offers a range of services such as custody, wallets, staking, trading, financing, and settlement services from regulated cold storage. Since its inception in 2013, BitGo has been dedicated to empowering clients to navigate the digital asset space securely. Operating globally with multiple Trust companies, BitGo caters to numerous institutions, including leading brands in the industry, exchanges, platforms, and millions of retail investors worldwide. Serving as a key operational pillar of the digital economy, BitGo is responsible for a significant portion of Bitcoin network transactions and stands as the largest independent digital asset custodian and staking provider globally.
Job Responsibilities:
- Collaborate closely with design and product managers to develop new UIs for upcoming initiatives
- Enhance existing UI functionality across various products
- Develop reusable code for future applications
- Improve the health of the codebase
- Communicate with stakeholders from different teams to ensure understanding of implementation requirements and constraints
- Offer mentorship to team members through code reviews and best practice guidance
- Support maintenance and performance enhancement of existing applications
Required Skills & Experience:
We seek individuals who align with our core values of open communication, transparency, taking ownership, and a commitment to high-quality craftsmanship. Ideal candidates will share our vision of establishing trust in digital assets.
Required:
- Minimum 5 years of frontend software engineering experience
- Proficiency in React
- Advanced knowledge of JavaScript, CSS, and HTML
- Experience with modern JavaScript frameworks and tools like Node.js and Express
- Familiarity with design systems, and unit, Integration, and end-to-end testing
- Ability to work autonomously in a dynamic environment
Nice to have:
- Interest in cryptocurrencies and blockchain technology
- Knowledge of additional tools like Tailwind, React-Query, and NextJS
Why Consider BitGo: Join a team that is disrupting the financial services industry through innovative solutions and collaborative efforts. Be part of a workforce that embodies values of ownership, craftsmanship, and transparent communication. Embrace a culture that encourages risk-taking and problem-solving, creating a significant impact on the world's financial markets.
Benefits of Joining BitGo:
- Competitive salary, bonus, and stock options
- Comprehensive health insurance coverage for employees and dependents
- 401k company match up to 4%
- Paid parental leave and vacation
- Commuter/parking pass
- Catered meals and snacks
- Tailored computer equipment and workplace setup
- Stimulating startup environment with exceptional colleagues
Pay Transparency Note: Compensation for this role averages between $165,000 to $210,000 USD base salary (based on leveling and location) along with equity, annual performance bonuses, and outlined benefits.
Recruiter, Marketer, Advertiser, Business Developer
Open roles
- Marketer
- Business Developer
- Recruiter
- Advertiser
Requirements
- Clear natural English communication without translators or AI
- Professional fast and reliable
- Fluent in your native language
If you want to be part of something early and actually make an impact — reach out
RWA & Tokenization Protocol Engineer
Salary: $155,000 – $220,000 USD base + equity + token package
Location: Remote-first
About the role
Build real-world asset tokenization protocols and compliant on-chain infrastructure for our RWA portfolio companies (real estate, carbon credits, invoices, treasuries).
What you’ll do
•Design and audit upgradeable smart contracts for RWA issuance, custody and compliance
•Implement cross-chain bridging, oracle integration and KYC/AML hooks
•Build tokenization SDKs and developer tools
•Work on regulatory-compliant mechanisms (ERC-3643, ERC-1400 style)
•Ship production protocols on Ethereum, Polygon, Arbitrum and Solana
Requirements
•4+ years Solidity + security experience (OpenZeppelin, audits)
•Deep knowledge of token standards and RWA primitives
•Experience with legal/compliance wrappers — strong plus
•Rust or Move experience is a bonus
What we offer
•Work on protocols that bring trillions in real-world value on-chain
•Direct collaboration with legal and regulatory partners
•High upside through protocol ownership and tokens
Senior Rust Engineer — Decentralized AI Compute & GPU Orchestration
Sirex Portfolio Companies
Salary: $170,000 – $240,000 USD base + meaningful equity + token package
Location: Remote-first (any timezone)
About the role
We’re building the next layer of decentralized compute for AI agents — GPU orchestration, libp2p networking, verifiable execution and on-chain coordination. Join one of our high-conviction portfolio companies or work directly with the Sirex infra team.
What you’ll do
•Design and ship production Rust services for distributed GPU clusters and agent orchestration
•Build libp2p + IPFS-based peer discovery and data exchange layers
•Implement verifiable compute primitives (zkML, TEE, or on-chain proofs)
•Optimize for cost, latency and fault tolerance at scale
•Collaborate with AI teams on autonomous agent deployment
Requirements
•4+ years Rust (production experience mandatory)
•Strong background in distributed systems, networking or blockchain infra
•Experience with libp2p, IPFS, GPU compute (CUDA/ROCm) or TEEs — big plus
•Deep understanding of AI agent workloads
What we offer
•Direct impact on core infrastructure that powers multiple portfolio companies
•Top-tier equity + token upside
•Fast growth to Staff/Principal level
•Work with the best AI + crypto teams in the space
Junior / Middle Metaverse Developer (Unity / Web3 / VR)
You will work with Unity, WebGL, and blockchain technologies to create engaging metaverse features and optimize them for performance across different devices. The developer will collaborate with designers and backend engineers to deliver scalable and stable products.
Requirements include experience with Unity and C#, understanding of 3D development, Web3 or blockchain basics, and familiarity with Git and API integration. Experience with VR/AR, NFTs, or multiplayer systems is a plus.
We offer remote work, flexible hours, crypto payments, and the opportunity to build innovative metaverse products.
Junior/Mid Decentralized Infrastructure Engineer
Help build and scale decentralized infrastructure: contribute to compute networks, protocols, storage layers, and orchestration tools that power AI agents and open digital systems. You’ll write code, run tests, fix bugs, and ship real features fast.
Skills & Requirements:
1–3 years in blockchain infra, distributed systems, or high-scale compute (or strong personal projects)
Solid Python / Rust / Go skills
Interest in libp2p, IPFS, GPU orchestration, or decentralized compute
Quick learner who ships clean code and loves performance/cost challenges
Salary:
$110,000 – $165,000 USD base + meaningful equity (portfolio startup) + full benefits + Sirex carry
Description:
Sirex.vc doesn’t just invest — we plug strong builders straight into our portfolio companies.
This is your chance to work on the real infrastructure behind autonomous agents and the open digital economy. Full support from the Sirex team, fast growth, zero bureaucracy.
High risk. Zero apologies.