Backend Software Engineer - Flexible, AWS Serverless & REST APIs

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

Job summary

Jit is seeking a backend engineer to join a mature, self-organised agile team responsible for customer-facing tracking products. The project consolidates tracking channels into a single entry point and scales event-driven APIs.

You will develop and maintain AWS-based back-end services and APIs, build serverless features with Lambda, SQS and EventBridge, and take part in code reviews and production troubleshooting.

Qualifications

• 3+ years of back-end development with Python or Scala.
• 2–3+ years hands-on AWS experience (Lambda, API Gateway, SQS, SNS, EventBridge, DynamoDB, S3).
• Experience with relational (PostgreSQL) and NoSQL databases; data modelling and queries.
• Designing and developing RESTful APIs; testing, code reviews and Git workflows.
• Experience with Infrastructure as Code, especially CloudFormation.
• Strong communication in English; able to work independently and with a team.

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, maintainable code and participate in code reviews.
• Collaborate with product owners, frontend developers and architects to deliver features end-to-end.
• Monitor, troubleshoot and improve production services.

Skills

Backend development

Python/Scala

AWS services

RESTful APIs

Code reviews

English communication

Tools

AWS Lambda

API Gateway

SQS

SNS

EventBridge

DynamoDB

S3

CloudFormation

Git

Job description

Jit is seeking a backend engineer to join a mature, self-organised agile team responsible for customer-facing tracking products. The project consolidates tracking channels into a single entry point and scales event-driven APIs.

You will develop and maintain AWS-based back-end services and APIs, build serverless features with Lambda, SQS and EventBridge, and take part in code reviews and production troubleshooting.