Backend Engineer
Fullstack Gen AI Developer
Remote
Apply on the employer's siteRole description
At Capgemini Invent, we believe difference drives change. As inventive transformation consultants, we blend our strategic, creative and scientific capabilities, collaborating closely with clients to deliver cutting-edge solutions. Join us to drive transformation tailored to our client's challenges of today and tomorrow. Informed and validated by science and data. Superpowered by creativity and design. All underpinned by technology created with purpose.
YOUR TASKS
- Design, build, and deploy fullstack Generative AI applications, integrating advanced LLMs, image, and multimodal models into scalable products.
- Develop and maintain both frontend interfaces (React, Next.js, etc.) and backend systems (Python, Node.js, or similar) that power GenAI features.
- Implement AI-driven workflows — including prompt orchestration, RAG pipelines, and real-time model interactions.
- Integrate foundation models and APIs (OpenAI, Anthropic, Hugging Face, Stability, etc.) into robust backend services and interactive user experiences.
- Collaborate closely with data scientists and product teams to translate business requirements into AI-enabled digital experiences.
- Ensure system scalability, performance, and security, leveraging cloud infrastructure and MLOps best practices.
- Stay at the forefront of GenAI innovations, experimenting with new models, frameworks, and architectures.
YOUR PROFILE
- Passion for Generative AI and fullstack development, with hands-on experience delivering AI-powered web applications.
- 2+ years of experience in software development, covering both frontend and backend environments.
- Strong programming skills in Python and JavaScript/TypeScript, with experience in frameworks like FastAPI, Flask, Node.js, React, Next.js.
- Working knowledge of LLMs, prompt engineering, fine-tuning, and retrieval-augmented generation (RAG).
- Experience connecting to GenAI APIs and managing vector databases (FAISS, Pinecone, Weaviate, etc.).
- Familiarity with cloud platforms (AWS, Azure, GCP) and CI/CD pipelines for deploying AI-driven applications.
- Understanding of data pipelines, embeddings, and model-serving infrastructure.
- Strong communication skills in English (German or Polish are a plus), and the ability to collaborate in cross-functional, international teams.
Nice to have:
- Experience with
LangChain / LangGraph
,
OpenAI Function Calling
, or
custom agent frameworks
. - Familiarity with
Vercel AI SDK
,
Next.js
Server Actions, or other GenAI-focused web stacks. - Background in UX
for AI applications
, multimodal systems, or real-time AI interfaces (e.g., chat, co-creation tools). - Experience building end-to-end prototypes or AI SaaS products from concept to production.
WHAT YOU’LL LOVE ABOUT WORKING HERE
- Practical benefits:
yearly financial bonus, private medical care with Medicover with additional packages (e.g., dental, senior care, oncology) available on preferential terms, life insurance and access to NAIS benefit platform. - Award-winning development programs
to support your career at every stage. Connected Manager - our leadership development program has already helped over 300 employees accelerate their growth! - Access to over 70 training tracks
with certification opportunities (e.g., GenAI, Excel, Business Analysis, Project Management) 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. - Cutting-Edge Technology:
Position yourself at the forefront of IT innovation, working with the latest technologies and platforms. Capgemini partners with top global enterprises, including 145 Fortune 500 companies. - Enjoy hybrid working model
that 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.
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 a global leader in partnering with companies to transform and manage their business by harnessing the power of technology. The Group is guided everyday by its purpose of unleashing human energy through technology for an inclusive and sustainable future. It is a responsible and diverse organization of over 360,000 team members globally in more than 50 countries. With its strong 55-year heritage and deep industry expertise, Capgemini is trusted by its clients to address the entire breadth of their business needs, from strategy and design to operations, fueled by the fast evolving and innovative world of cloud, data, AI, connectivity, software, digital engineering and platforms.
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