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thecodest

Senior Software Engineer (Python&GIS)

Remote - Poland
Level
Senior
Work type
Remote · Poland only

Not stated in the posting: salary, visa.

Open. First seen 22 October 2026.

Apply on the company's site →

About the role

thecodest's standard text

🌍 Hello World!

We are The Codest - International Tech Software Company with tech hubs in Poland delivering global IT solutions and projects. Our core values lie in “Customers and People First” approach that prioritises the needs of our customers and a collaborative environment for our employees, enabling us to deliver exceptional products and services.

Our expertise centers on web development, cloud engineering, DevOps and quality. After many years of developing our own product - Yieldbird, which was honored as a laureate of the prestigious Top25 Deloitte awards, we arrived at our mission: to help tech companies build impactful product and scale their IT teams through boosting IT delivery performance. Through our extensive experience with product development challenges, we have become experts in building digital products and scaling IT teams.

But our journey does not end here - we want to continue our growth. If you’re goal-driven and looking for new opportunities, join our team! What awaits you is an enriching and collaborative environment that fosters your growth at every step.

Project description:

Our client is one of the largest e-commerce platforms in Europe, used by millions of users every day. The company connects sellers - from small businesses to global brands - with customers, offering a vast product selection, fast delivery, and a well-crafted shopping experience.

Project Name: Delivery Optimization Engine (DOE)

We are looking for support of Senior Software Engineer specializing in Python and routing algorithms. The specialist will be responsible for

supporting the design and scaling of high-throughput services that power our first and last-mile operations. By leveraging network analysis and spatial optimization, the specialist will assist in building the next generation of company’s Delivery Optimization Engine (DOE) and directly enhancing our logistics efficiency.

Modern Tech Stack: We are bypassing traditional, legacy GIS software in favor of cloud-native Python architectures, Big Data solutions, and modern routing APIs (e.g., Google, HERE, open-source routing engines).

The role:

  • Backend & Routing: Python, Microservices, Open-source & Commercial Routing Engines.
  • Data & Cloud: Google Cloud Platform (BigQuery, Dataflow Composer/Airflow), SQL.
  • Infrastructure: Kubernetes,Terraform, CI/CD pipelines.
  • At least 4 years of commercial experience in backend software development using Python and SQL.
  • Possess experience or a strong understanding of the logistics domain, network analysis, and routing (e.g., graph theory, road network modeling, Vehicle Routing Problems).
  • Experience with geospatial data concepts applied via code (e.g., H3/spatial indexing, clustering algorithms, PostGIS).
  • Be familiar with cloud ecosystems (Google Cloud Platform preferred) and modern infrastructure tools (Kubernetes, Terraform, Airflow).
  • Advocate for engineering excellence, including clean code, TDD, CI/CD, and a strong commitment to rigorous code reviews to maintain team architectural stability.
  • Know how to design and scale a microservices-based architecture.
  • A positive attitude, excellent teamwork skills, and a higher technical education (Computer Science or related fields).
  • English level min. B2+
  • Required to work from the Warsaw office once a month.

Recruitment process:

  • 30-minute screen with our recruiter, Justyna
  • 1h technical interview
  • 1h interview with the client
  • Offer
thecodest's standard text

Questions, insights? Feel free to reach out to our recruiting team:

justyna.pazdalska@thecodest.co

In the meantime, feel free to visit our website where you can find key facts about us.

What this role asks for

Particular to this role

Airflow · BigQuery · Kubernetes · Terraform

Rare in thecodest's other 22 open postings.

Standard for software engineering roles

Python

Common in software engineering postings at any company.

61% of this description is written for the role. The rest is thecodest's standard text, folded away below.

Compared with thecodest's other open jobs.

The team: Development HIRES STEADILY

This role is one of 21 open in Development. 4 were posted in the last 30 days and the oldest in May: a team that hires all year rather than one being built.

WHAT THE TEAM WORKS WITH, ACROSS ITS POSTINGS

CI/CD (14 of 21), Python (10 of 21), REST (10 of 21), Java (9 of 21), JavaScript (8 of 21), React (8 of 21), AWS (7 of 21)

OTHER ROLES ON THIS TEAM

From the team and dates on thecodest's own job board.

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