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Twine

Full Stack Developer – AdTech Data Platform

Canada

Contract

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Job details

Job type: Contract
Experience: 7+ years of professional software engineering experience
Posting language: English
Posted: Oct 29, 2026

Original job description

Join a dynamic project focused on building and shipping features across a robust TypeScript monorepo, encompassing React front ends, Node.js services, and ETL pipelines for ingesting and processing advertising data. You will take ownership of complex technical challenges, driving solutions from conception through to production delivery. The role requires a strong focus on designing, optimizing, and operating data-intensive workloads, ensuring high reliability and performance at scale. You will collaborate closely with engineering peers to maintain code quality, implement best practices, and provide architectural guidance within a fast-paced AdTech environment.

Responsibilities

Develop and maintain scalable features across React front ends and Node.js backend services within a TypeScript monorepo
Design, optimize, and operate ETL pipelines and data-heavy workloads using ClickHouse, MongoDB, Redis, and queue-based processing (BullMQ)
Ensure reliable CI/CD, background job processing, real-time data delivery, and high-performance analytical queries
Uphold engineering quality through comprehensive testing (unit, integration, snapshot, screenshot, end-to-end)
Conduct code reviews and provide architectural input to guide technical decisions
Troubleshoot and resolve production issues, ensuring system reliability and scalability
Collaborate with cross-functional teams to deliver robust solutions for advertising data processing

Skills And Requirements

7+ years of professional software engineering experience
Advanced proficiency in TypeScript, Node.js, and React
Strong experience with SQL/OLAP databases and analytical query optimization
Hands-on expertise with ClickHouse, MongoDB, Redis, and queue-based processing (BullMQ or similar)
Familiarity with CI/CD pipelines and automated testing frameworks
Excellent English communication skills, both written and verbal
Experience in AdTech, PostgreSQL, edge runtimes, Go, production ML, or agentic development tooling is a plus
Ability to work independently and take ownership of complex technical problems
Availability for a full-time contract position

About Twine

Twine is a leading freelance marketplace connecting top freelancers, consultants, and contractors with companies needing creative and tech expertise. Trusted by Fortune 500 companies and innovative startups alike, Twine enables companies to scale their teams globally.

Our Mission

Twine's mission is to empower creators and businesses to thrive in an AI-driven, freelance-first world.

Apply About employer

More about this job

Responsibilities

Build and maintain scalable features across React front ends, Node.js services, and ETL pipelines for advertising data in a TypeScript monorepo. Optimize data-intensive workloads, ensure reliable delivery and production performance, uphold engineering quality through testing and code reviews, and contribute architectural guidance.

Requirements

Requires 7+ years of software engineering experience and advanced proficiency in TypeScript, Node.js, and React, along with hands-on experience with analytical databases, ClickHouse, MongoDB, Redis, and queue-based processing. Candidates should be familiar with CI/CD and automated testing, communicate effectively in English, and be able to independently own complex technical problems.

Skills

TypeScript
Node.js
React
ETL Pipelines
ClickHouse
MongoDB
Redis
BullMQ
SQL/OLAP Databases
Analytical Query Optimization
CI/CD
Automated Testing
Background Job Processing
Real-Time Data Delivery
Code Reviews
Production Troubleshooting

Visa sponsorship

Not detected in the job text

Keywords

AdTech
TypeScript
Monorepo
React
Node.js
ETL
Advertising Data
ClickHouse
MongoDB
Redis
BullMQ
Queue-Based Processing
SQL
OLAP
Analytical Query Optimization
CI/CD
Automated Testing
Unit Testing
Integration Testing
Snapshot Testing
Screenshot Testing
End-to-End Testing
Background Jobs
Real-Time Data Delivery
Production Reliability
Scalability
Code Reviews
Architecture
PostgreSQL
Go

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