Senior FullStack Developer

About The Position

Justt is the world leader in fighting illegitimate chargebacks on behalf of merchants. Our automated tailor-made chargeback mitigation solution uses smart technology to create a hands-off experience for merchants, while providing the highest overall success rates in the industry.

As a Senior FullStack Developer, you’ll be a significant part in leading our technology evolution. You’ll develop, design, refactor and restructure complex scalable systems.

What you’ll be doing:

Write well-crafted, well-tested, readable, maintainable code

Be a key contributor to the R&D.

Solve complex performance problems and architectural challenges

Integrate complex data storage solutions

Participate in code reviews, evaluate implementations, and provide feedback to ensure code quality and share knowledge


4+ years’ experience of software development 

2+ years of experience in back-end development

2+ years of experience with web frameworks such as React (Preferred) or Angular  

3+ years of experience with node.js ,Go, Java or Python

Proven experience with asynchronous executions concepts

Strong OOP/OOD + design patterns

Hands-on experience with SQL & NoSQL databases such as Postgres, Mysql, Mongo, DynamoDB Redis, Memcached.

Comfortable working in a dynamic, agile environment

Experience working in Start-Ups - A big Advantage

Experience working in Nest.js - A big Advantage

Stacks of motivation, independence and a thirst for learning

A Doer, a winner, a savvy technologist and a team player.

Good understanding of modern Stream Processing and Event Sourcing paradigms.

Experience in design and implementation of highly scalable & distributed web applications

Apply for this position

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    Chargebacks per month

    • Under $5,000
    • Under $50,000
    • Under $100,000
    • Over $100,000