CareerPlan

Fullstack JavaScript Developer - SaaS and payments

Remote · Eastern Europe / Poland / Ukraine …RemoteFull-time£25k–£45k2026-11-09 → 2026-11-11
Remote · from UkraineNo visa sponsorship

Core

Build SaaS products enabling seamless Open Banking payments for online, e-commerce, and in-store transactions.

Role type

Fullstack JavaScript Developer (SaaS and payments)

Builds

Payment solutions for eCommerce, small retailers, and invoice payments

Domain

Fintech and payments

Required skills

Node.js, Express, React.js, MySQL, PostgreSQL, MongoDB, Redis, Jest, Mocha, Gitflow, TDD, BDD

Preferred skills

API Blueprint, StoryBook

Technologies

Node.js, Express, React.js, GCP, MySQL, PostgreSQL, MongoDB, Redis, Jest, Mocha

Responsibilities

Develop backend services using Node.js and Express; Build frontend interfaces with React.js; Design and manage databases (MySQL, PostgreSQL, MongoDB, Redis); Write tests using Jest and Mocha; Implement code practices like Gitflow, TDD, and BDD.

Seniority

Mid-Senior, hands-on IC