Middle Python Engineer Job at Vention (Warsaw)

Middle Python Engineer

Our client is providing cloud-based software solutions for the professional and ...

Location

Poland; Croatia

Salary:

Not provided

ELEKS

Expiration Date

Until further notice

Requirements

3+ years of professional experience in Python backend development
Practical experience with LLMs / AI integrations (OpenAI, Azure OpenAI, LangChain, Hugging Face, or similar)
Hands-on experience with Azure Cloud in preferred
Ability to read and understand .NET (C#) codebase (no coding required)
Upper-Intermediate English level or higher

Job Responsibility

Design, develop, and maintain Python-based components supporting LLM functionalities
Integrate LLMs and AI services into the existing .NET-based product
Work with Azure services to deploy and scale AI-driven solutions
Contribute to CI/CD and DevOps processes (migration from Jenkins to Azure DevOps)
Collaborate with cross-functional teams to ensure smooth integration and delivery
Participate in architecture and design discussions, proposing improvements for performance and scalability
Support and maintain existing chatbot functionality based on Python

What we offer

Close cooperation with a customer
Challenging tasks
Competence development
Team of professionals
Dynamic environment with low level of bureaucracy

Middle Data Engineer

At LeverX, we have had the privilege of delivering over 950 projects. With 20+ y...

Location

Salary:

Not provided

LeverX

Expiration Date

Until further notice

Requirements

3–5 years of experience in data engineering
Strong SQL and solid Python for data processing
Hands-on experience with at least one cloud and a modern warehouse/lakehouse: Snowflake, Redshift, Databricks, or Apache Spark/Iceberg/Delta
Experience delivering on Data Warehouse or Lakehouse projects: star/snowflake modeling, ELT/ETL concepts
Familiarity with orchestration (Airflow, Prefect, or similar) and containerization fundamentals (Docker)
Understanding of data modeling, performance tuning, cost-aware architecture, and security/RBAC
English B1+

Job Responsibility

Design, build, and maintain batch/streaming pipelines (ELT/ETL) from diverse sources into DWH/Lakehouse
Model data for analytics (star/snowflake, slowly changing dimensions, semantic/metrics layers)
Write production-grade SQL and Python
optimize queries, file layouts, and partitioning
Implement orchestration, monitoring, testing, and CI/CD for data workflows
Ensure data quality (validation, reconciliation, observability) and document lineage
Collaborate with BI/analytics to deliver trusted, performant datasets and dashboards

What we offer

Projects in different domains: Healthcare, manufacturing, e-commerce, fintech, etc.
Projects for every taste: Startup products, enterprise solutions, research & development projects, and projects at the crossroads of SAP and the latest web technologies
Global clients based in Europe and the US, including Fortune 500 companies
Employment security: We hire for our team, not just a specific project. If your project ends, we will find you a new one
Healthy work atmosphere: On average, our employees stay in the company for 4+ years
Market-based compensation and regular performance reviews
Internal expert communities and courses
Perks to support your growth and well-being

Middle / Senior Test Automation Engineer

We are hiring an Automation QA Engineer to join a team building software used by...

Location

Salary:

Not provided

Unicrew

Expiration Date

Until further notice

Requirements

Manual testing
Test automation
Making sure the app is properly tested
Work closely together with your software developers
For Seniors: Develop test architecture and procedures in line with continuous integration setup
For Seniors: Planning and coordination of test automation activities, taking over quality responsibility for your product
Be an important part of our continuous delivery cycle
Upper-Intermediate English is a must (both written and verbal)
Good communication skills
Good problem-solving skill

Job Responsibility

Test automation, and manual testing (application has to be verified and covered with manual test, afterward test automation is applied approximate ratio manual testing 30%, test automation 70%)
Strong experience with JavaScript-based test automation frameworks (e.g., Playwright, Cypress, TestCafe)
Experience with Python-based automation tools (e.g., PyTest, unittest, Behave)
Ability to design, implement, and maintain test automation frameworks from scratch
Hands-on experience working with API, UI, and integration test automation
Strong understanding of software testing methodologies and QA best practices
Knowledge of CI/CD pipelines (GitHub Actions, GitLab CI, Jenkins, CircleCI or similar)

What we offer

Paid vacation and sick leaves in line with local standards
Flexible working hours
Possibility to work remotely
Regular team buildings and company-wide trips
Corporate lessons of English
Medical insurance
Support in preparation, as well as full reimbursement of professional certifications
Corporate psychotherapist services
Possibility to become a mentor in our corporate university
Highly transparent processes towards compensation reviews and promotions

Middle Palantir Foundry Developer

At LeverX, we have had the privilege of delivering 1,500+ projects. With 20+ yea...

Location

Uzbekistan, Georgia

Salary:

Not provided

LeverX

Expiration Date

Until further notice

Requirements

3+ years in data/analytics engineering or software development
Hands-on experience with Palantir Foundry (pipelines and/or applications)
Proficiency in Python and SQL
Confidence with Git
Ability to translate business requirements into working solutions
English B1+

Job Responsibility

Build and maintain data pipelines and transformations in Foundry
Implement application logic, views, and access controls
Validate data and ensure basic documentation and support
Work with stakeholders to clarify requirements and iterate on features

What we offer

Impactful use-case delivery on real data
Possibility to progress into a Team Lead role: mentoring, design facilitation, and coordination
Projects in different domains: Healthcare, manufacturing, e-commerce, fintech, etc.
Projects for every taste: Startup products, enterprise solutions, research & development projects, and projects at the crossroads of SAP and the latest web technologies
Global clients based in Europe and the US, including Fortune 500 companies
Employment security: We hire for our team, not just for a specific project. If your project ends, we will find you a new one
Healthy work atmosphere: On average, our employees stay in the company for 4+ years

Middle Python Engineer

We’re opening the position of a Middle Python Engineer (Python, pandas, FastAPI)...

Location

Poland

Salary:

Not provided

Edvantis

Expiration Date

Until further notice

Requirements

Strong knowledge of the Python programming language and the relevant ecosystem (boto3, AWS, Snowflake, SQL, HTTP, REST API, OAuth2, RegExp, Xpath, unit testing)
Understanding the infrastructure of AWS or Azure
Good knowledge of CI/CD pipelines and version control tools (e.g., Git, GitHub Actions, Azure DevOps)
Responsibility and attention to detail
focus on quality
Readiness to work with enabler assignments: researching open data sources and reports data review
Bachelor’s degree in Computer Science, Software Engineering, or a related field (or equivalent experience)
English level – Upper-Intermediate or higher (sufficient to handle conversation in video-off mode)

Job Responsibility

Develop and optimize scalable back-end services and APIs using Python
Design and implement AI-driven agents to enhance efficiency
Work with cloud platforms to deploy and manage AI-driven applications
Develop secure, high-performance microservices and data pipelines
Optimize database performance and ensure data consistency in SQL databases (e.g., PostgreSQL)
Collaborate with Front-End and AI/ML Teams to build end-to-end AI-powered solutions
Ensure best practices in CI/CD, DevOps, and cloud infrastructure management
Stay up to date with AI advancements and emerging back-end technologies

What we offer

Remote-first work model with flexible working hours (we provide all equipment)
Comfortable and fully equipped offices in Lviv and Rzeszów
Competitive compensation with regular performance reviews
18 paid vacation days per year + all state holidays
12 days of paid sick leave per year without a medical certificate + extra paid leave for blood donation
Medical insurance with an affordable family coverage option
Mental health program which includes free and confidential consultations with a psychologist
English, German, and Polish language courses
Corporate subscription to learning platforms, regular meetups and webinars
Friendly team that values accountability, innovation, teamwork, and customer satisfaction

Fulltime

New

Middle Python Engineer

Vention is a global engineering partner to tech leaders and fast-growing startup...

Location

Poland , Krakow

Salary:

8000.00 PLN / Month

Vention

Expiration Date

Until further notice

Requirements

3 years of hands-on experience in web development in Python
Practical experience with such frameworks as Flask and Pytest
Experience with Google Cloud Platform
Hands-on experience with PostgreSQL and SQLAlchemy
English proficiency at B1 level or higher, with experience communicating with English-speaking clients
A proactive mindset and a strong interest in staying current with the latest trends in Python development

Job Responsibility

Contribute to the development of high-quality solutions with a focus on clean, production-ready code
Participate in the entire software development lifecycle, including business logic and backend implementation
Engage in Scrum ceremonies, demo sessions, and internal knowledge-sharing events such as Idea Talks
Take part in project estimation and planning to align efforts with team and client goals
Conduct code reviews and write automated tests to maintain quality and reliability
Support continuous integration of technologies and best practices across the project
Optionally, contribute to technical interviews, mentoring, or share knowledge through dev2dev sessions and external meetups

What we offer

EDU corporate community (300+ members): tech communities, interest clubs, events, a small R&D lab, a knowledge base, and a dedicated AI track
Licenses for AI tools: GitHub Copilot, Cursor, and others
Private medical care with LuxMed
Kafeteria MyBenefit credits for stores, restaurants, and cafés
Access to a Multisport membership to stay active
Glasses reimbursement program
Referral bonuses for bringing in new talent

Fulltime

New

Middle Python Engineer

Vention is a global engineering partner to tech leaders and fast-growing startup...

Location

Poland , Lodz

Salary:

8000.00 PLN / Month

Vention

Expiration Date

Until further notice

Requirements

3 years of hands-on experience in web development in Python
Practical experience with such frameworks as Flask and Pytest
Experience with Google Cloud Platform
Hands-on experience with PostgreSQL and SQLAlchemy
English proficiency at B1 level or higher, with experience communicating with English-speaking clients
A proactive mindset and a strong interest in staying current with the latest trends in Python development

Job Responsibility

Contribute to the development of high-quality solutions with a focus on clean, production-ready code
Participate in the entire software development lifecycle, including business logic and backend implementation
Engage in Scrum ceremonies, demo sessions, and internal knowledge-sharing events such as Idea Talks
Take part in project estimation and planning to align efforts with team and client goals
Conduct code reviews and write automated tests to maintain quality and reliability
Support continuous integration of technologies and best practices across the project
Optionally, contribute to technical interviews, mentoring, or share knowledge through dev2dev sessions and external meetups

What we offer

EDU corporate community (300+ members): tech communities, interest clubs, events, a small R&D lab, a knowledge base, and a dedicated AI track
Licenses for AI tools: GitHub Copilot, Cursor, and others
Private medical care with LuxMed
Kafeteria MyBenefit credits for stores, restaurants, and cafés
Access to a Multisport membership to stay active
Glasses reimbursement program
Referral bonuses for bringing in new talent

Fulltime

New

Middle Python Engineer

Vention is a global engineering partner to tech leaders and fast-growing startup...

Location

Poland , Gdansk

Salary:

8000.00 PLN / Month

Vention

Expiration Date

Until further notice

Requirements

3 years of hands-on experience in web development in Python
Practical experience with such frameworks as Flask and Pytest
Experience with Google Cloud Platform
Hands-on experience with PostgreSQL and SQLAlchemy
English proficiency at B1 level or higher, with experience communicating with English-speaking clients
A proactive mindset and a strong interest in staying current with the latest trends in Python development

Job Responsibility

Contribute to the development of high-quality solutions with a focus on clean, production-ready code
Participate in the entire software development lifecycle, including business logic and backend implementation
Engage in Scrum ceremonies, demo sessions, and internal knowledge-sharing events such as Idea Talks
Take part in project estimation and planning to align efforts with team and client goals
Conduct code reviews and write automated tests to maintain quality and reliability
Support continuous integration of technologies and best practices across the project
Optionally, contribute to technical interviews, mentoring, or share knowledge through dev2dev sessions and external meetups

What we offer

EDU corporate community (300+ members): tech communities, interest clubs, events, a small R&D lab, a knowledge base, and a dedicated AI track
Licenses for AI tools: GitHub Copilot, Cursor, and others
Private medical care with LuxMed
Kafeteria MyBenefit credits for stores, restaurants, and cafés
Access to a Multisport membership to stay active
Glasses reimbursement program
Referral bonuses for bringing in new talent

Fulltime

Middle Python Engineer

Vention

Location:
Poland , Warsaw

Category:
IT - Software Development

Contract Type:
Not provided

Salary:

Job Description:

Job Responsibility:

Requirements:

Additional Information:

Job Posted:
January 29, 2026

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Contract Type:
Not provided

Job Posted:
January 29, 2026