Backend Engineer: Cloud APIs (Hybrid, Gdańsk)

Jit; Województwo pomorskie; Hybrid; PLN 180,000 - 260,000; Full time

Job summary

Jit in Poland is seeking a back-end developer to join a mature, self-organised agile team responsible for customer-facing tracking products. You will work on consolidating tracking channels into a single entry point, with event-driven APIs, and collaborate with product owners, frontend developers and architects to deliver features end-to-end.

Requirements include 3+ years of backend development in Python or Scala, 2–3+ years with AWS services, and strong knowledge of PostgreSQL and DynamoDB.

Qualifications

• 3+ years of back-end development experience with Python or Scala.
• 2–3+ years hands-on experience with AWS services (Lambda, API Gateway, SQS, SNS, EventBridge).
• Experience with PostgreSQL and NoSQL databases and data modelling.
• Experience designing RESTful APIs and using Git for version control.
• Familiarity with IaC, CloudFormation, and testing practices.

Responsibilities

• Develop and maintain back-end services and APIs on AWS.
• Build serverless and event-driven features using Lambda, SQS and EventBridge.
• Write clean, tested and maintainable code, and take part in code reviews.
• Work with product owners, front-end developers and architects to deliver features from start to finish.
• Help monitor, troubleshoot and improve services running in production.

Skills

Python

Scala

AWS

PostgreSQL

DynamoDB

REST APIs

Git

CloudFormation

English

Tools

AWS Lambda

API Gateway

SQS

SNS

EventBridge

DynamoDB

S3

CloudFormation

Git

Job description

Jit in Poland is seeking a back-end developer to join a mature, self-organised agile team responsible for customer-facing tracking products. You will work on consolidating tracking channels into a single entry point, with event-driven APIs, and collaborate with product owners, frontend developers and architects to deliver features end-to-end.

Requirements include 3+ years of backend development in Python or Scala, 2–3+ years with AWS services, and strong knowledge of PostgreSQL and DynamoDB.