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Sowelo Consulting sp. z o.o. sp. k.

Senior Software Engineer

Sowelo Consulting sp. z o.o. sp. k.
Poland · Full-time · Mid-Senior

Have you got previous experience with Python and Cloud (AWS preferred)?

Have you got experience with Asynchronous development and High load systems?


Great, if you have answered yes to both of those then we are looking for you.


You could join the world’s leading retail network, connecting trading partners around the globe to optimize supply chain operations for all retail partners. They support data-driven partnerships with innovative cloud technology, customer-obsessed service and accessible experts so their customers can focus on what they do best. To date, more than 120,000 companies in retail, grocery, distribution, supply, and logistics have chosen Our Client as their retail network.


As a Senior Software Engineer you will join an experienced team tackling the challenge of real-time monitoring in a distributed system using Event Sourcing architecture. In this role, you will work on a core product that:


Handles thousands of requests per second

Processes millions of transactions

Operates with terabytes of data

Utilizes modern technologies (Kubernetes, Data Streams, the latest versions of Python and Go)


Your tasks will include:


  • Working with minimal supervision to implement complex methods and procedures within the assigned problem domain
  • Owning the development, test, and deployment for an entire product
  • Estimating new work with consideration and commitment
  • Identifying and communicating risk, ambiguity, complexity, and dependencies
  • Sharing knowledge of technical skills, patterns, and practices with the rest of the team
  • Code reviewing and mentoring of associates, intermediates, and other senior members on the team
  • Working with business partners outside of you team to explain and champion high-level technology approaches


To be a good fit for the Senior Developer role you will have:

  • Strong experience in Python including Asynchronous Python Development
  • Experience with AWS services, particularly Lambda, Kinesis, S3, EC2, DynamoDB, and SQS.- Azure or GCP experience is also accepted
  • Familiarity with distributed systems and event-driven architecture.
  • Experience working on high load backend services


Nice to have:

  • Experience with Go
  • Experience with NoSQL databases, such as Elasticsearch
  • Familiarity with relational databases like PostgreSQL or MySQL


Keys to success:


You will need to be data driven and be able to handle complex challenges.

A team working mindset is also important as you will be collaborating with colleagues from other departments to deliver the best solutions possible.


Reasons to join:

  • You will be working on a highly visible product using modern technologies
  • You will be working with the flexible team with a great team culture
  • You will have the opportunity to have an impact on architecture and team development
  • You will join the company that combines innovation with corporate social responsibility
  • Being a part of a global brand that is evolving in customer-centric projects
  • You will have the opportunity to work hybrid


Sounds interesting? Send us your CV by applying to this page

Key Skills

Ranked by relevance

python cloud aws kubernetes postgresql dynamodb nosql gcp sqs s3
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Posted
Aug 21, 2025
Type
Full-time
Level
Mid-Senior
Location
Warsaw

Industries

Software Development

Categories

Engineering

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