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Transactix

Senior Backend Software Developer

Toronto, ON, Canada
Greater Toronto Area, Canada, Canada

Full-time

Apply About employer

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Job details

Job type: Full-time
Apply by: Oct 22, 2026
Posting language: English
Posted: Aug 5, 2026

Original job description

01About Us

At Transactix, we're on a mission to build Canada's next-generation payments infrastructure through CADX™ and the Open Value Network™. We believe in creating an interoperable and transparent financial rails for Canadians, merging fintech, blockchain, and regulatory integrity. We're scaling fast, building core infrastructure, and charting new territory in stablecoins, tokenized assets, and digital value transfer.

02About This Role

We are hiring a Senior Backend Software Developer. You will design, develop, and maintain scalable, high-performance backend systems for blockchain trading bots, working with MongoDB, Redis, smart contracts, and Web3 integration to build systems that connect to a range of blockchain platforms.

03Key Responsibilities

Design, develop, and maintain scalable, high-performance backend systems for blockchain trading bots
Utilize MongoDB and Redis for efficient data storage and retrieval within trading algorithms and strategies
Implement smart contracts and Web3 integration for blockchain interactions and transactions
Collaborate with cross-functional teams to architect and implement systems that integrate with a range of blockchain platforms
Optimize existing trading algorithms and strategies for improved performance

04Requirements

Bachelor's or Master's degree in Computer Science, Engineering, or a related field
Minimum of seven (7) years of hands-on experience in backend development
Expertise in Docker, MongoDB, Redis, Solidity, Web3, Node.js, and TypeScript
Strong understanding of blockchain technology, smart contracts, consensus mechanisms, and various blockchain protocols
Experience in developing and deploying trading bots or financial systems within the blockchain or cryptocurrency space
Knowledge of database management, data structures, and algorithms
Familiarity with security protocols and practices in the context of blockchain and financial systems

05What We Offer

A chance to work at the intersection of finance, technology, and public innovation
Direct collaboration with the founder and exposure to Canada's fintech and regulatory environment
Competitive salary with growth potential as the company scales
Comprehensive health benefits
Future equity opportunity in the form of stock options or equivalent
Hybrid work flexibility and opportunities for travel to conferences and industry events

Apply About employer

More about this job

Responsibilities

Design, develop, and maintain scalable backend systems for blockchain trading bots, using MongoDB, Redis, smart contracts, and Web3 integrations. Collaborate across teams to connect with blockchain platforms and optimize trading algorithms and strategies.

Requirements

Requires a bachelor's or master's degree in computer science, engineering, or a related field, and at least seven years of hands-on backend development experience. Candidates should have expertise in Docker, MongoDB, Redis, Solidity, Web3, Node.js, and TypeScript, along with blockchain, financial systems, and security knowledge.

Skills

Backend Development
Docker
MongoDB
Redis
Solidity
Web3
Node.js
TypeScript
Blockchain
Smart Contracts
Consensus Mechanisms
Blockchain Protocols
Trading Bots
Database Management
Data Structures
Algorithms

Benefits

Health Benefits
Stock Options

Visa sponsorship

Not detected in the job text

Keywords

Backend Development
Docker
MongoDB
Redis
Solidity
Web3
Node.js
TypeScript
Blockchain
Smart Contracts
Consensus Mechanisms
Blockchain Protocols
Trading Bots
Financial Systems
Cryptocurrency
Database Management
Data Structures
Algorithms
Security Protocols
Trading Algorithms
Trading Strategies
Payments Infrastructure
Stablecoins
Tokenized Assets
Digital Value Transfer
Cross-Functional Collaboration

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