[Hiring] Senior Blockchain developer @TechMagic

TechMagic; United States; Remote; USD 80,000 - 100,000; Full time

Job summary

An innovative firm is seeking a Senior Blockchain Developer to join a mission-driven platform focused on creating impactful decentralized applications. In this role, you will lead the architecture and implementation of core blockchain modules, design and optimize smart contracts, and collaborate closely with cross-functional teams to translate real-world needs into robust systems. This is an exciting opportunity to contribute to a platform recognized by global organizations, helping communities access essential services like clean energy and healthcare. If you are passionate about blockchain technology and want to make a real-world impact, this position is perfect for you.

Benefits

Paid vacations

Sick leaves

Additional days off

Relocation bonus

Regular tech talks

Educational courses

Paid certifications

English classes

Qualifications

• 5+ years of software engineering experience with a focus on blockchain.
• Proficiency in Golang or Rust and knowledge of smart contracts.

Responsibilities

• Lead architecture and implementation of blockchain modules.
• Design and optimize smart contracts and decentralized APIs.

Skills

Blockchain Development

Golang

Rust

JavaScript

TypeScript

Fullstack Development

Cloud Hosting

API Integrations

Databases

GraphQL

Job description

Apr 14, 2025 - TechMagic is hiring a remote Senior Blockchain developer. Location: Ukraine.

Join a tech team that’s building a next-generation digital infrastructure to verify and monetize real-world impact.

REQUIREMENTS:

MUST HAVE

• 5+ years of software engineering experience, with a strong command of blockchain development.
• Proficiency in Golang or Rust.
• Deep knowledge of blockchain architecture, smart contracts, and cryptographic principles.
• Solid foundation in JavaScript/TypeScript and fullstack development (both frontend and backend).
• Experience with cloud hosting, API integrations, databases, and GraphQL.

WILL BE A PLUS

• Familiarity with Cosmos SDK, CosmWasm, or other ecosystem-specific tooling.
• Understanding of zero-knowledge proofs (zkProof).

What You'll Be Doing

• Lead the architecture and implementation of core blockchain and cryptography modules.
• Design, build, and optimize smart contracts and decentralized APIs.
• Collaborate closely with the CTO and cross-functional teams to translate real-world needs into robust decentralized systems.
• Contribute to the continuous improvement of a production-grade platform used to track and tokenize measurable outcomes.
• Ensure high scalability, reliability, and security across services.
• Participate in code reviews, testing, and the deployment of cloud-hosted infrastructure.

ABOUT PROJECT

Our client is a Software company from Europe.

PRODUCT

This platform merges Web3, decentralized identity, blockchain, and cryptographic technologies to support decentralized applications addressing social, environmental, and economic challenges.

The team works on a protocol that enables the creation and verification of tamper-proof digital credentials and the tokenization of outcome-based data. This technology powers a growing ecosystem of apps that bring transparency, accountability, and financial access to global development initiatives.

You’ll be contributing to a platform that’s already been deployed in collaboration with high-profile international organizations and is used across sectors such as clean energy, healthcare, education, and youth development.

STAGE

The active phase of development.

Interview Stages

1. Call with Recruiter (30 minutes)
2. Interview with our Senior Engineer and Recruiter (1 hour)
3. Client intro call (30 minutes)
4. Technical and team fit interview with client (2 hours and 30 minutes)

Our Benefits

• Work closely with a visionary CTO and a globally distributed technical team.
• Be part of a mission-driven platform recognized by global organizations such as UNICEF.
• Build tools with real-world impact — helping communities around the world access clean energy, education, healthcare, and more.
• Work from anywhere (fully remotely or in our offices in Lviv, Kyiv or Krakow).
• Paid vacations and sick leaves, additional days off, relocation bonus.
• Education: regular tech talks, educational courses, paid certifications, English classes.

Recruiter: Viktoria Kliushta