Full-Stack Blockchain Developer Backend Oriented

Pragmatike; Ottawa; Remote; CAD 75,000 - 115,000; Full time

Job summary

A blockchain technology company is seeking a remote backend developer to design and optimize high-performance systems. The ideal candidate has strong expertise in API design, experience in Solidity or Rust, and proficiency in TypeScript. You will collaborate with a dynamic team to shape innovative solutions in the crypto space, contributing to exciting projects while working flexibly and autonomously.

Qualifications

• Strong backend expertise designing APIs, building infrastructure, or optimizing performance-critical systems.
• Mandatory experience in Solidity or Rust.
• Proficiency in TypeScript, experience or interest in Rust or Go.
• Deep understanding of PostgreSQL, Redis, and Kubernetes.
• Experience in crypto, blockchain, or on-chain systems is advantageous.
• Demonstrated activity on GitHub or open-source projects required.
• Autonomous mindset eager to take ownership and solve technical challenges.
• Fluent in English, written and spoken.

Responsibilities

• Design, build, and optimize high-performance backend systems.
• Work on distributed infrastructures using Kubernetes and PostgreSQL.
• Contribute to architecture and product direction of crypto trading systems.
• Write clean, reliable, well-documented code in TypeScript, Rust, or Go.
• Continuously test, monitor, and improve system performance.

Skills

Backend expertise in API design

Experience in Solidity

Proficiency in TypeScript

Understanding of PostgreSQL

Familiarity with Kubernetes

Experience in Rust or Go

Comfortable in high-intensity environments

Activity on GitHub

Autonomous mindset

Fluency in English

Job description

Location: Fully remote

Start date: ASAP

Languages: English is mandatory

Industry: Crypto, Blockchain, Web3

We are hiring at Pragmatike to expand our team and drive the growth of our internal projects.

Our focus is on developing cutting-edge solutions in Cloud Computing, Blockchain, and Artificial Intelligence, while fostering a culture of collaboration and innovation. Joining us means being part of a passionate team where your ideas and skills directly contribute to shaping tomorrow's technologies.

If you\'re excited about working on ambitious projects in a dynamic and flexible environment, we\'d love to hear from you!

Responsibilities

• Design, build, and optimize high-performance backend systems (real-time data, onchain transactions, APIs).
• Work on distributed, scalable infra across multiple clusters using Kubernetes and PostgreSQL.
• Contribute to the architecture and product direction of core crypto trading systems.
• Collaborate with a small, experienced team of engineers in a fast-paced, high-ownership environment.
• Write clean, reliable, and well-documented code in TypeScript, Rust, or Go.
• Continuously test, monitor, and improve system performance and reliability.
• Engage actively with the crypto and open-source ecosystem (GitHub commits, experimentation, infra optimization).

Required Qualifications

• Strong backend expertise experience designing APIs, building infra, or optimizing performance-critical systems.
• Mandatory experience in Solidity or Rust.
• Proficiency in TypeScript, with experience or interest in Rust or Go (Solana experience is a big plus).
• Deep understanding of PostgreSQL, Redis, and Kubernetes.
• Comfortable operating under high intensity and rapid iteration.
• Experience in crypto, blockchain, or onchain systems is a strong advantage, but not mandatory.
• Demonstrated activity on GitHub or open-source projects (recent commits required).
• Autonomous mindset eager to take ownership, ship quickly, and solve complex technical challenges.
• Fluent in English, written and spoken.

Nice to Have

• Exposure to Solana, EVM, or onchain data indexing.
• Experience with ClickHouse, NestJS, or Next.js (front-end optional).
• Interest in cloud infra, trading systems, or AI-driven backend optimization.

Pragmatike is dedicated to a fair, transparent, and inclusive recruitment process. We ensure that no applicant is discriminated against based on age, disability, gender, gender identity or expression, marital or civil partner status, pregnancy or maternity, race, religion or belief, sex, or sexual orientation.

In accordance with the General Data Protection Regulation (GDPR), your personal data will be processed lawfully, fairly, and securely. We collect and use your personal data solely for recruitment purposes, including sharing it with our client(s) for employment consideration. You have the right to request access, correction, or deletion of your data at any time. We are committed to maintaining the confidentiality and security of your information throughout the recruitment process.