Vacancy title:
Backend Engineer - Blockchain

[Type: FULL_TIME, Industry: Consulting, Category: Computer & IT]

Jobs at:
Career Renew

Deadline of this Job:
Monday, September 1 2025

Duty Station:
Remote | Lusaka | Zambia

Summary
Date Posted: Thursday, August 21 2025, Base Salary: Not Disclosed

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JOB DETAILS:

Career Renew is recruiting for one of its clients a Backend Engineer - Blockchain - this is a fully-remote role and candidates can be based in US/Europe.

We are at the forefront of crypto trading technology, known as the largest Telegram trading bot for facilitating over $22 billion in volume traded by more than 50,000 daily active users. We deliver seamless on-chain trading experiences with advanced tools such as DCA & limit orders, sniping, and automatic wallet copy-trading. Our platform sets the standard in speed, innovation, and reliability. As we scale further, we aim to maintain our reputation as a market leader in crypto trading innovation.

Why Join Us?

We’re pushing the boundaries of on-chain trading technology. Joining our team offers you the chance to work on products that already serve a large and active user base, collaborating with top-tier engineers in a fast-paced and dynamic environment. Working with us means having fast paced releases with your work being live in the hands of tens of thousands of users as soon as it’s complete.

Role Overview

We’re seeking a Backend Engineer with proven expertise in building scalable, high throughput and low latency microservices-based backends in TypeScript. The ideal candidate is a proactive and autonomous developer who thrives on tackling complex challenges and ideally shares a passion for on-chain trading. As backend developer you’ll operate within a flat team structure and build new innovative features and bring on improvements to current products.

Key Responsibilities

Backend Development: Design, develop, and maintain robust backend services using TypeScript (Bun.js framework) to support trading functionality, tools/analytics for traders, third-party integrations, and more.

Collaborate Across Teams: Work closely with designers, product teams and users to align backend solutions with platform objectives.

Performance Optimization: Ensure backend systems & database queries deliver top-tier speed for thousands of concurrent users without compromising on reliability.

Code Quality: Uphold best practices by writing well-structured, efficient, and well-documented code.

Problem Solving: Identify, debug, and resolve complex technical issues to maintain smooth platform operations.

Requirements

Technical Expertise:

• Proficiency in Node.js/Bun.js and TypeScript with 5+ years of experience in backend development.
• Proficiency with building robust and optimized API endpoints.
• Experience in building backend systems serving a significant user base concurrently.

Autonomy: Proven ability to work independently while driving projects to completion.

Team Collaboration:

• Strong communication skills to work effectively within a cross-functional team.
• Experience working within a mid-sized engineer team.

Nice-To-Haves

• Experience working on backend systems for crypto trading platforms, DeFi applications, or other data-heavy services.
• Passion or experience in on-chain trading; being a part-time trader on Solana is a plus.
• Strong command of Postgres and/or Clickhouse, including design and optimisation for high-performance high-reliability use cases.

What We Offer

• Remote Flexibility: Work from anywhere on your schedule.
• Challenging Projects: Solve complex problems with cutting-edge technology in the trading space.
• Impactful Role: Shape backend systems powering one of the largest trading platforms on the market and shaping the experience of tens of thousands of daily users.
• Collaborative Culture: Join a team that values innovation, efficiency, and collaboration.

Work Hours: 8

Experience in Months: 60

Level of Education: bachelor degree

Job application procedure

Interested and qualified? Click here to apply

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