2,070,100open jobs
122,796companies
241,158added this week
Browse all
Salary
≈ $50k – $96k per year (Estimated)
Location
In office (Warsaw)

Confirmed on the employer's own hiring board on Oct 30, 2026. First seen by Alion on Oct 29, 2026.

Overview
Company
Impact
Profile match

SIX

SIX is a Swiss financial market infrastructure group headquartered in Zurich that operates stock exchanges, securities settlement and custody, banking and payment services and financial information. Formed in 2008 from the merger of Swiss financial companies and owned by banks, it runs the SIX Swiss Exchange and, since acquiring BME, the Spanish stock exchanges in Madrid, with further offices in London, Warsaw, Frankfurt and Stockholm. It hires Java and full-stack developers, test and platform engineers, product and project managers, business analysts, controllers, internal auditors and interns in Madrid, Zurich and Warsaw.

What sets us apart drives us ahead: between local roots and global relevance, we are a unique blend of tradition and future, of foundation and growth. We value bright minds and inspire them to grow with their ideas. Come and shape the future of finance with us.

Python Software Engineer

Warsaw|Up to 40% working from home possible| Reference8377

Are you a Python engineer who enjoys building data-driven, cloud-based applications from the ground up? Would you like to apply your skills in the fast-moving field of financial information, working on solutions that make a real difference for our customers? If so, we’d love to hear from you.

As a Python Software Engineer, you will join an international team of engineers, architects, and product experts. You will help shape the design of new applications, optimize data flows, and deliver customer-focused solutions using modern cloud and container technologies.

This is a fixed-term position until mid-2028, offering the chance to make a significant contribution to a high-impact project, broaden your expertise, and work in a flexible hybrid environment.

What You’ll Do

  • Build New Functionality: Design and implement features that meet stakeholder needs, using modern Python and cloud-native technologies.
  • Ensure Quality Through Testing: Develop automated unit and integration tests to safeguard and continuously improve code quality.
  • Shape Design & Architecture: Contribute your expertise to architectural decisions and help create scalable, maintainable solutions.
  • Optimize and Standardize: Drive improvements in system scalability, data processing, standardization, and data visualization.
  • Collaborate Across Teams: Work closely with business partners, product managers, architects, and fellow developers to deliver successful outcomes.
  • Own What You Build: As part of a small DevOps team, take shared responsibility for operating, supporting, and improving our applications in production.

What You’ll Bring

  • Strong Python Expertise: Proven experience developing large-scale backend systems in Python.
  • Cloud-Native Engineering: Hands-on experience with Azure and Kubernetes/OpenShift, as well as container technologies such as Docker/Podman.
  • APIs & Event-Driven Systems: Solid understanding of REST APIs, JSON, and Apache Kafka.
  • Microservices Architecture: Practical experience designing and building microservice-based applications.
  • Engineering Best Practices: Familiarity with unit testing, code reviews, CI/CD, and design documentation.
  • Version Control & Tooling: Experience working with GitLab and modern delivery pipelines.
  • Excellent Communication: A strong team player with professional proficiency in spoken and written English.

If you have any questions, check out our FAQ page or call Agnieszka Leputaat .

For this vacancy we only accept direct applications.

Diversity is important to us. Therefore, we are looking to receiving applications regardless of any personal background.

Free account
Stop reading job ads. Get the ones that fit.
One free account turns this page into a shortlist built around your stack, your level and your pay.
Match on every job. Stack, seniority, pay and location, scored against your profile.
2,070,100 open roles. Read straight off company career pages, refreshed every day.
Unlimited applications. Every one you send is tracked in one place, on-site or on a company board.
3 tailored CVs a month. Rewritten for the exact job you are applying to. Included free.
Create a free account Continue with Google
Free forever. No card. Under a minute.

Your match

How well do you fit this role?
Two answers are enough for a real match. No account needed.
Check my fit
Answers stay in this browser until you create an account.

Recommended for you based on this role

Backend
Similar stack
Same company
Warsaw
≈ $41k – $78k per year (Estimated) · Remote (Poland) · Full-Time · 4+ years exp · Bachelor's Degree
JavaScript
TypeScript
Node JS
Node JS
Nest.JS
Prisma
Databases
MySQL
PostgreSQL
Redis
AI/ML
Copilot
Cursor
Claude Code
Model Context Protocol
AI Agents
LLM
OpenAI Codex
Frontend
Next.js
React.js
DevOps
Rest API
GitHub Actions
CI/CD
Git
Docker
QA
Jest
Vitest
Supertest
Apply
≈ $52k – $87k per year (Estimated) · In office · Full-Time · Wrocław
SQL
C#
C#
.NET
Databases
RabbitMQ
MS SQL
Apache Kafka
Azure SQL Database
AI/ML
Copilot
Mobile
Clean Architecture
DevOps
Rest API
Azure
CI/CD
Docker
Kubernetes
Management
Agile
Apply
≈ $57k – $96k per year (Estimated) · Hybrid · Contractor · Kraków
Java
SQL
Java
Spring Boot
Databases
Db2
Apache Kafka
Azure SQL Database
AI/ML
Flink
DevOps
Helm
Azure
Kubernetes
Azure AKS
Cybersecurity
Sonatype Nexus IQ
Microsoft Entra ID
Management
Agile
Apply
$5.4k – $6.8k per year · Remote (Poland) · Full-Time · Poznań
Python
Java
PHP
Ruby
Elixir
Ruby
Ruby on Rails
Databases
PostgreSQL
RabbitMQ
ElasticSearch
Apply
≈ $67k – $109k per year (Estimated) · Hybrid · Contractor · Warsaw
Java
Apply
≈ $60k – $99k per year (Estimated) · Hybrid · Full-Time · Warsaw
Python
SQL
Python
SQLAlchemy
Databases
Google BigQuery
DevOps
Terraform
GCP
CI/CD
Docker
Kubernetes
GitHub
Management
Scrum
Kanban
Apply
$82k – $97k per year · Hybrid · Contractor · Warsaw
Java
Java
Spring Boot
Micronaut
Databases
Apache Kafka
DevOps
AWS
Docker
Kubernetes
Apply
$50k – $66k per year (net) · Remote (Poland) · Warsaw
Apex
Apex
Lightning Web Components
MuleSoft
Salesforce Flow
DevOps
Rest API
SOAP
Management
Agile
Apply
$50k – $66k per year (net) · Remote (Poland) · Warsaw
Apex
Apex
Lightning Web Components
Copado
Salesforce Flow
AI/ML
Agentforce
DevOps
Rest API
Azure DevOps
Azure
CI/CD
Git
SOAP
Analytics
Informatica
Apply
≈ $53k – $107k per year (Estimated) · Hybrid · Full-Time · Bachelor's Degree · Amsterdam · London · Belgrade · Warsaw · Madrid
Cybersecurity
GDPR
HIPAA
Apply
See all jobs
This is one of many
2,070,100 more open roles from verified company boards, updated every day.