Position

Senior FullStack Engineer

About The Position

Justt is a leader in the chargeback automation industry, providing hands-free solutions to help merchants reclaim their revenue. Our innovative AI-driven platform addresses payment disputes efficiently and accurately, allowing our clients to focus on their core business activities. We are a forward-thinking company that values innovation, responsibility, and fairness.

Key Responsibilities:

Building, designing, and refactoring complex, scalable systems.
Writing clean, maintainable, and well-tested code.
Solving challenging performance problems and architectural puzzles.
Working with cutting-edge tech stacks like Next.js, Node.js, Nest.js, SQL/NoSQL, and more.
Collaborating with our talented R&D team to shape our product’s future.
Drive technical innovation to enhance the efficiency and effectiveness of our chargeback resolution technology.

Requirements

Over 10 years of hands-on experience in software development
Experience in building complex, scalable products. Ability to clearly communicate and explain the design criteria, trade offs, and decisions made
Experience with Microservices architecture and Kubernetes – Must
Hands-on experience with both SQL & NoSQL databases (Postgres, MySQL, Mongo, DynamoDB, Redis).
Experience with Monorepo – Advantage
Experience with Node.js and React(nestjs – big Advantage)
Experience with Public cloud (AWS – big Advantage)
Experience with the AWS ecosystem, including managing it with infra-as-code tools
Experienced in a multinational organization – Advantage
Firm understanding of security concepts – Advantage
6 years of experience in Node.js(Javascript or TypeScript – Advantage)

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Recent Updates

#Blog

Multilingual Dispute Management

Justt’s new multilingual capabilities enhance AI-powered chargeback management with automatic evidence translation

#Blog

Holiday Shopping Chargeback Trends, and How Retailers Can Prepare

Explore holiday chargeback trends and learn how retailers can prepare for seasonal surges to minimize disputes and protect their revenue

#Blog

Automating Compelling Evidence for Chargebacks with Dynamic Arguments

Learn how Justt’s Dynamic Arguments automate compelling evidence for chargebacks, boosting win rates and streamlining dispute processes at scale

#Blog

Choose Whether to Accept or Fight Chargebacks with Justt

This feature in Justt allows you to quickly accept a chargeback dispute, either manually or through automation rules.

#Blog

Mastercard’s First-Party Trust Rule Changes: What Merchants Need to Know

Learn about Mastercard’s First-Party Trust program and understand how merchants can prepare for success in combating the surging trend in first-party or ‘friendly’ fraud.

#Blog

Chargeback vs Refund: Know the Differences (for Merchants)

Chargebacks and refunds are both a common consequence of eCommerce fraud, and both could result in the merchant having to return funds to the consumer. However, these concepts describe two very different situations and should not be confused.