Backend Engineer (Python, AI)

Capgemini; Warszawa; Hybrid; PLN 180,000 - 240,000; Full time

Benefits offered by this job

Hybrid working model

Training tracks on NEXT platform

Private medical care with Medicover

Job summary

Capgemini is seeking a Python Backend Developer in Warsaw to join a team delivering AI-powered enterprise solutions. You will design and evolve backend services and APIs, integrating Generative AI capabilities, LLM APIs, and cloud-native components.

You will collaborate with Cloud Engineers and Frontend teams to ensure secure, scalable, and observable systems, while contributing to architecture and best practices in a hybrid work setting.

Qualifications

• Experience in backend development with Python.
• Proficiency with modern Python frameworks, preferably FastAPI.
• Proven ability to design, develop, and maintain REST APIs.
• Experience integrating AI-powered services, LLMs, or Generative AI into applications.
• Experience building solutions in AWS and cloud environments.
• Excellent communication skills in English.

Responsibilities

• Design, develop, and maintain backend services and APIs using Python.
• Build and enhance RESTful APIs supporting frontend apps and system integrations.
• Implement robust, scalable, reliable business logic.
• Collaborate with Cloud Engineers on deployment, environments, and CI/CD.
• Work with Frontend developers to define API contracts and integration patterns.
• Develop and optimize backend solutions for AI-driven workflows.
• Integrate Generative AI capabilities and LLM APIs into applications.
• Contribute to backend architecture decisions and improvements.
• Ensure security, observability, performance, and 운영 excellence.
• Participate in testing, troubleshooting, and continuous improvement initiatives.

Skills

Backend Python

FastAPI

REST APIs

AI integration

AWS

English communication

Docker

CI/CD

Tools

Docker

AWS

CI/CD pipelines

Job description

Choosing Capgemini means choosing a company where you will be empowered to shape your career in the way you’d like, where you’ll be supported and inspired by a collaborative community of colleagues around the world, and where you’ll be able to reimagine what’s possible. Join us and help the world’s leading organizations unlock the value of technology and build a more sustainable, more inclusive world.

YOUR ROLE

Join a team delivering innovative AI-powered solutions that help transform and automate business processes at scale. We are looking for a Python Backend Developer to contribute to the development and evolution of a cutting-edge enterprise application leveraging Generative AI, Large Language Models (LLMs), cloud-native technologies, and intelligent automation.

YOUR TASKS

Your Responsibilities:

• Design, develop, and maintain backend services and APIs using Python
• Build and enhance RESTful APIs supporting frontend applications and system integrations
• Implement robust business logic with a focus on scalability, reliability, and maintainability
• Collaborate with Cloud Engineers on deployment architecture, environment configuration, and CI/CD processes
• Work closely with Frontend Developers to define API contracts and integration patterns

Develop and optimize backend solutions supporting AI-driven and data-intensive workflows

• Integrate Generative AI capabilities, LLM APIs, and AI services into enterprise applications
• Contribute to technical architecture decisions and backend design improvements
• Ensure high standards of security, observability, performance, and operational excellence
• Participate in testing, troubleshooting, optimization, and continuous improvement initiatives

YOUR PROFILE

• Strong experience in backend development using Python
• Hands-on experience with modern Python frameworks, preferably FastAPI
• Proven expertise in designing, developing, and maintaining REST APIs
• Practical experience integrating AI-powered services, LLM APIs, or Generative AI solutions into applications
• Experience building solutions in AWS and cloud-based environments
• Excellent communication skills in English

Nice to Have

• Experience building data pipelines or working with data-intensive applications
• Exposure to AI/ML platforms, model-serving solutions, or inference endpoint integrations
• Experience with Snowflake or similar cloud data platforms
• Knowledge of enterprise integration technologies, including SAP interfaces, OData, IDoc, RFC, or BAPI
• Experience with Docker and containerized application deployment & Familiarity with CI/CD pipelines and automated deployment practices
• Understanding of secure API design, authentication, and authorization mechanisms

What You’ll Love About Working Here

• Enjoyhybrid working modelthat fits your life - after completing onboarding, connect work from a modern office with ergonomic work from home, thanks to home office package (including laptop, monitor, and chair). Ask your recruiter about the details.
• Access to over 70 training trackswith certification opportunities (e.g., GenAI, Architects, Google) on our NEXT platform. Dive into a world of knowledge with free access to Education First languages platform, Pluralsight, TED Talks, Coursera and Udemy Business materials and trainings.
• Practical benefits:private medical care with Medicover with additional packages (e.g., dental, senior care, oncology) available on preferential terms, life insurance and 40+ options on our NAIS benefit platform, including Netflix, Spotify or Sports card.

GET TO KNOW US

Capgemini is committed to diversity and inclusion, ensuring fairness in all employment practices. We evaluate individuals based on qualifications and performance, not personal characteristics, striving to create a workplace where everyone can succeed and feel valued.

Do you want to get to know us better? Check our Instagram — @capgeminipl or visit our Facebook profile — Capgemini Polska. You can also find us on YouTube.

About Capgemini

Capgemini is the business transformation partner for enterprises in the age of AI. We help organizations imagine and build an intelligent, sustainable future, combining AI, technology and human ingenuity to transform how they operate, innovate and grow. With unique end-to-end capabilities spanning strategy, technology, engineering and intelligent operations, we bring together deep industry expertise and market-leading capabilities in AI, cloud and data to turn ambition into measurable business outcomes at scale. Supported by a robust ecosystem of partners and nearly 60 years of expertise, Capgemini is a responsible and diverse global organization of over 410,000 team members in more than 50 countries. The Group reported 2025 revenues of €22.5 billion.