Full-Time
Protocol Engineer
Rust
Posted on 10/31/2025
Serotonin
51-200 employees
Marketing product studio for blockchain technology
No salary listed
New York, NY, USA
Remote
 Software Engineering (1) |
|---|
- 3+ years of experience in software development, with a strong focus on Rust.
- Solid understanding of blockchain protocols, cryptographic algorithms, and distributed systems.
- Proven experience in optimizing code for performance and scalability in production environments.
- Strong problem-solving skills and the ability to work independently and as part of a team.
- Excellent written and verbal communication skills.
- Design, develop, and maintain core components of our blockchain-based payment protocol using Rust.
- Implement and optimize consensus algorithms, UTXO/Account hybrid models, and high-performance transaction processing systems.
- Collaborate with cross-functional teams, including product managers and front-end developers, to deliver seamless and secure payment solutions.
- Conduct performance profiling and debugging of blockchain systems to ensure scalability, security, and efficiency.
- Write comprehensive unit tests, documentation, and support code reviews to maintain high-quality standards.
- Stay up-to-date with the latest trends in blockchain technology, Rust programming, and distributed systems.
- Experience with Bitcoin scripting and payment channels.
- Familiarity with WebAssembly (Wasm) or similar execution environments.
- Contributions to open-source blockchain or Rust projects.
- Familiarity with UTXO and Account-based models, as well as Proof-of-Stake consensus mechanisms.
Serotonin is a marketing firm and product studio that helps breakthrough technology and blockchain companies establish a strong market presence. It combines marketing strategy, product development, and media outreach to support clients through campaigns, product launches, and strategic consulting. The team brings expertise in digital marketing, blockchain technology, and public relations to deliver a holistic service. Unlike general agencies, Serotonin focuses specifically on transformative tech and Web3, offering both branding and hands-on product development to accelerate client growth. The goal is to position brands for breakout success in fast-moving tech and blockchain markets.
Company Size
51-200
Company Stage
N/A
Total Funding
$4.3M
Headquarters
New York City, New York
Founded
2020
Simplify's Take
What believers are saying
- Serotonin expands into AI and biotech sectors alongside web3 for diversified growth.
- Serotonin collaborates with top digital asset entrepreneurs on brand positioning and media.
- Serotonin employs 101-200 remote experts in marketing, web3, and financial services.
What critics are saying
- UK Serotonin confuses clients, diverting Web3 leads from US Serotonin in 3-6 months.
- Crypto crash slashes Web3 marketing budgets, collapsing Serotonin demand in 6-12 months.
- Lunar Strategy and Coinbound erode Serotonin's share with superior NFT DeFi results in 12-18 months.
What makes Serotonin unique
- Serotonin provides go-to-market platforms including strategy, recruiting, and legal for web3, AI, biotech.
- Serotonin incubates Web3 products with broad consumer and brand appeal remotely from US.
- Serotonin specializes in Web3-native services leveraging cryptocurrency, NFTs, blockchain expertise.
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Benefits
Competitive Salary
Health Insurance
Remote Work Environment
Company News
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