Full Stack Developer – AdTech Data Platform

Twine; New Zealand; On-site; NZD 120,000 - 180,000; Full time

Job summary

Twine is seeking an experienced software engineer to own features across a TypeScript monorepo, covering React front ends, Node.js services, and ETL pipelines for ingesting advertising data. You will design, optimize, and operate data-heavy workloads with high reliability at scale, collaborating with engineering peers to uphold code quality and best practices in a fast-paced AdTech environment.

The role emphasizes ownership of complex challenges, architectural input, and production delivery.

Qualifications

• 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.
• Availability for a full-time contract position.

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

TypeScript

Node.js

React

SQL/OLAP

Analytical query optimization

CI/CD

Tools

ClickHouse

MongoDB

Redis

BullMQ

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.