Smart Contract Backend Engineer (External) Job at Serotonin, Remote

ckdneE5YZmEvRTRHVFBjd1VQUjBXS1p4NVE9PQ==
  • Serotonin
  • Remote

Job Description

Our client is a cutting-edge company focused on revolutionizing global payments by building a scalable, zero-fee payment platform secured by Bitcoin. Their innovative technology enables fast, secure, and cost-effective digital transactions, with the potential to reshape how the world interacts with money. We are looking for a talented Smart Contract Engineer to join their growing team.

This role offers the opportunity to work on innovative blockchain technologies and contribute to the development of secure, efficient, and reliable smart contracts that power our payment ecosystem.

If you’re excited about joining a dynamic and purpose-driven environment where your ideas can shape the future, we’d love to meet you. Together, we can redefine what’s possible in the world of digital connectivity and data management.

Key Responsibilities:
  • Design, develop, and deploy smart contracts for the platform using Solidity or other relevant programming languages.
  • Implement secure and efficient code while adhering to best practices for smart contract development.
  • Collaborate with backend and frontend engineers to integrate smart contracts into the platform.
  • Perform rigorous testing, debugging, and auditing of smart contracts to ensure security and reliability.
  • Stay informed about the latest developments in blockchain and smart contract technologies.
  • Contribute to the documentation of smart contract architecture and processes.
  • Participate in code reviews to maintain high-quality standards across the codebase.
Key Requirements:
  • 2–4 years of experience in blockchain development, with a strong focus on smart contracts.
  • Proficiency in Solidity and familiarity with Ethereum Virtual Machine (EVM).
  • Understanding of security considerations and best practices for smart contract development.
  • Experience with tools such as Hardhat, Truffle, or Foundry for development and testing.
  • Familiarity with Web3.js, Ethers.js, or similar libraries for interacting with blockchain networks.
  • Strong problem-solving skills and attention to detail.
  • Excellent communication and collaboration skills.
Preferred Qualifications
  • Experience with Bitcoin Layer 2 solutions or similar blockchain ecosystems.
  • Contributions to open-source blockchain or smart contract projects.
  • Understanding of financial systems, payment protocols, or decentralized finance (DeFi).
What We Offer
  • Competitive salary and equity options.
  • Flexible working hours and remote-friendly environment.
  • The chance to work on cutting-edge technology with a talented, passionate team.
  • Opportunities for professional growth and learning.

Job Tags

Full time, Contract work, Flexible hours,

Similar Jobs

zTrip KSD

Drivers Wanted - No CDL Required Job at zTrip KSD

 ...Requirements of a Paratransit Driver: Have a MO Class E, KS Class C or CDL from either State Must be able to pass a DOT drug screen and...  ..., 401K ~ PTO (Paid time off)~ No CDL required ~ CDL training classes available after 6 months of employment Please... 

Hallmark Aviation Services

Flight Operations Manager in SFO Airport starting at 70K Job at Hallmark Aviation Services

 ...regulatory requirements and company standards. Coordination: Work closely with other departments (e.g., maintenance, ground...  ...Skills ~5 years flight operations experience with an international airline account(s) preferred ~ Proficient knowledge of airline product... 

Twoseven Inc.

Client‑Facing Creative Production Project Manager Job at Twoseven Inc.

 ...A leading creative production company is seeking a highly organized Project Manager to oversee design and delivery of creative projects in New York. This client-facing role requires strong communication, problem-solving skills, and the ability to manage budgets and timelines... 

America's ER Medical Centers

Billing Specialist Job at America's ER Medical Centers

 ...supporting efficient revenue cycle operations. Key Responsibilities Prepare, review, and submit clean claims to insurance payers (CMS-1500 and/or UB-04) Verify patient insurance eligibility and coverage Ensure accuracy of patient demographics, charges, and... 

Dynamics ATS

Warehouse Associate Job at Dynamics ATS

Warehouse Associate JOB-10045619 Anticipated Start Date Jan. 12, 2026 Location Denver, CO Type of Employment Contract Employer Info Our client is a provider of electrical, industrial, communications, maintenance, repair and operating...