Backend Engineer - AWS, Serverless & APIs (Hybrid, Gdansk)

Jit Team; Województwo pomorskie; Hybrid; PLN 180,000 - 240,000; Full time

Job summary

Jit Team is seeking a backend developer to own and evolve customer-facing tracking services on AWS. You will design, implement, and maintain scalable APIs and serverless features within an agile, self-organising team. Fluency in English and strong collaboration with product owners and architects are essential.

Experience in Python or Scala, AWS services, and relational/NoSQL databases is required. The role offers hybrid work with one day per week in the Gdańsk office and a dynamic,

Qualifications

• 3+ years of back-end development experience with Python or Scala.
• 2–3+ years of hands-on experience with AWS services, including Lambda, API Gateway, SQS, SNS, EventBridge (including Pipes), DynamoDB and S3.
• Practical experience with relational databases (PostgreSQL) and NoSQL databases (e.g. DynamoDB), including data modelling and query optimisation.
• Experience designing and developing RESTful APIs.
• Knowledge of good coding practices, unit and integration testing, code reviews and version control (Git).
• Experience with Infrastructure as Code, particularly CloudFormation.
• Genuine interest in technology and architecture, with an openness to exploring and discussing different solutions.
• Good communication skills and the ability to work independently and collaboratively within a team.
• Proficiency in written and spoken English.

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

REST APIs

PostgreSQL

Git

CloudFormation

Testing (unit/integration)

English communication

Tools

AWS Lambda

API Gateway

SQS

SNS

EventBridge

DynamoDB

S3

CloudFormation

Git

Job description

Jit Team is seeking a backend developer to own and evolve customer-facing tracking services on AWS. You will design, implement, and maintain scalable APIs and serverless features within an agile, self-organising team. Fluency in English and strong collaboration with product owners and architects are essential.

Experience in Python or Scala, AWS services, and relational/NoSQL databases is required. The role offers hybrid work with one day per week in the Gdańsk office and a dynamic,