Full Stack Engineer

FreePostjobs, Inc.; Remote; GBP 80,000 - GBP 100,000; Part time

Job summary

A FinTech startup is seeking a skilled Full-stack Engineer to contribute to their platform at the intersection of blockchain and digital assets. The role involves developing the front-end and back-end, integrating Web3 libraries, and collaborating with smart contract engineers. Ideal candidates should have 7+ years of development experience, proficiency in Rust or Golang, and familiarity with AWS infrastructure, all within a remote-friendly work environment.

Benefits

Equity in the company (0.25% – 0.70%)

Flexible work environment

Exposure to fintech and blockchain

Qualifications

• 7+ years of experience in full-stack development.
• Back-end expertise in Rust, Golang, or Node.js.
• Frontend proficiency in React and Next.js.
• Solid experience with Web3 development libraries: Ether.js, Web3.js, Wagmi, etc.
• Hands-on experience deploying and interacting with Solidity smart contracts.
• Familiarity with Rust smart contracts for Solana is a big plus.
• Proven experience with AWS infrastructure.
• Experience with AWS CDK for infrastructure-as-code.

Responsibilities

• Develop and maintain the front-end using React/Next.js.
• Integrate Web3 libraries such as Ether.js and Web3.js.
• Design and build robust back-end systems using Rust, Go, or Node.js.
• Collaborate with smart contract engineers on Solidity and Rust development.
• Work closely with the UX design team.
• Deploy and manage cloud infrastructure on AWS.

Skills

Full-stack development

Rust

Golang

Node.js

React

Next.js

Web3 development libraries

Solidity

AWS infrastructure

AWS CDK

Job description

A Self-Reinforcing Yield Layer for Digital Assets

About DERA

DERA is a first-mover FinTech startup on a mission to unlock trapped value in closed ecosystems. We help companies enter digital economies by providing them with the infrastructure to create digital assets. Our payment currency, DERA1, is designed to be the robust and reliable backbone powering interest-bearing assets across various digital economies.

About the Role

We are seeking a skilled and experienced Full‑stack Engineer to help build the Dera platform at the intersection of blockchain, DeFi, and digital assets. Contribute across front‑end, back‑end, and smart contract integration for Dera.fi. As part of our technical team, you’ll play a critical role in developing and maintaining our decentralized finance (DeFi) platform. If you’re passionate about blockchain, decentralized technologies, and building scalable applications, we’d love to hear from you!

Key Responsibilities

• Develop and maintain the front‑end using React/Next.js.
• Integrate Web3 libraries such as Ether.js, Web3.js, and Wagmi.
• Design and build robust back‑end systems using Rust, Go, or Node.js.
• Collaborate with smart contract engineers and contribute to Solidity (EVM) and Rust (Solana) smart contract development.
• Work closely with the UX design team to bring intuitive interfaces to life.
• Deploy and manage cloud infrastructure on AWS; use AWS CDK (TypeScript) for infrastructure‑as‑code (nice to have).
• Participate in feature design, architecture decisions, and performance optimization. Debug, test, and ensure end‑to‑end application stability.

Required Skills

• 7+ years of experience in full‑stack development.
• Back‑end expertise in Rust, Golang, or Node.js.
• Frontend proficiency in React and Next.js.
• Solid experience with Web3 development libraries: Ether.js, Web3.js, Wagmi, etc.
• Hands‑on experience deploying and interacting with Solidity smart contracts (EVM‑based).
• Familiarity with Rust smart contracts for Solana is a big plus.
• Proven experience with AWS infrastructure (must‑have).
• Experience with AWS CDK (TypeScript) for IaC (nice to have).
• Strong problem‑solving abilities, critical thinking, and team collaboration.

What We Offer

• 0.25 % – 0.70 % equity in the company (common stock) on a vesting schedule.
• A remote‑friendly, flexible work environment.
• Exposure to the intersection of fintech, blockchain, and digital asset economies.
• A chance to shape the future of DERA and decentralized finance from the ground up.
• Work directly with executives and gain cross‑functional knowledge.
• Note: This is a part‑time opportunity compensated through equity (0.25 % – 0.70 %), with the possible potential to transition into a paid role as the company grows.