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Full Stack Developer – AI Reporting & Insights

On-site in Barcelona·Full-time·Added 6 days ago (last checked 5 Nov)

Mondelez

23 open roles

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Our summary

Work mode: On-site, Barcelona
Contract: Full-time
English: Required

Visa options

The ad rules out sponsorship
Per the ad: “No Relocation support available”

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Skills

Nice to have

Requirements

What we're looking for

A desire to drive your future and accelerate your career. You will bring experience and knowledge in:

Working collaboratively with multiple vendors
Leading complex projects - project management
Stakeholder management and influencing skills
Managing infrastructure services delivery, support and excellence
Working in global IT function with regional or global responsibilities in an environment like Mondelēz International
Working with IT outsourcing providers using frameworks such as the IT Infrastructure Library
Working with internal and external teams and leading when necessary
Strong proficiency in Python and experience building production-grade applications or pipelines.
Experience with one (or more) of the following disciplines: full stack development, AI/ML engineering, or data engineering - with a willingness to broaden across the others.
Hands-on experience with cloud platforms, particularly AWS, and familiarity with Databricks (Spark, Delta Lake, Unity Catalog).
Exposure to LLMs and generative AI - model integration, prompt engineering, RAG pipelines, or agent-based architectures.
Familiarity with modern web frameworks (e.g. React, Next.js) and API design (REST, GraphQL).
Understanding of data modelling, ETL/ELT processes, and working with structured and unstructured data at scale.
Solid fundamentals in software engineering: version control (Git), testing, CI/CD, containerisation (Docker), and infrastructure-as-code (Terraform).
Good communication skills, able to work in a cross-functional team and explain technical trade-offs to non-technical stakeholders.
Intellectual curiosity and a bias for learning, staying current with the fast-moving AI/ML landscape.

Nice to have

Experience with agent orchestration frameworks (e.g. LangChain, LangGraph, AutoGen, CrewAI).
Familiarity with the Databricks ecosystem (MLflow, Feature Store, Genie).
Exposure to NLP or multimodal AI.
Experience with monitoring/observability tools (e.g. Prometheus, Grafana, CloudWatch).
Knowledge of security best practices in cloud and AI infrastructure.
Prior experience in a CPG/FMCG environment or working with syndicated market data (Nielsen, Circana/IRI, Kantar).

Pay & benefits

Visa & relocation

No Relocation support available

The role

Join our Mission to Lead the Future of Snacking. Make It Uniquely Yours.

You provide software and application knowledge to support implementation of the given solutions.

Mondelez Digital Services (MDS) is looking for Full Stack AI Engineers to join a growing engineering team building a new AI-powered insights platform. You will be part of a multi-disciplinary squad designing and delivering the intelligent systems that turn raw market data into decision-ready recommendations for stakeholders across global, regional, and local teams.

The team needs engineers across several disciplines - full stack development, AI/ML engineering, and data engineering - and each successful candidate will specialise in one or more of these areas while contributing to the platform end-to-end.

What you'll do

You will ensure that delivered services are optimized to meet business demands and the service operations strategy, plan, measure, report and communicate service improvement initiatives, and serve as a consultant on issues and resolutions. You will also recommend actions that can be taken to optimize investments and benefits and to mitigate risks. This role will require you to identify suppliers, evaluate them, on-board new vendors, establish and run vendor governance; collaborate with management and follow-up on requisitions, purchase orders, invoices, and payments; work with project resources to provide design collateral and to configure software components so they are aligned with security policy and governance; and ensure adherence to development and configuration standards and processes.

Build and ship full stack applications (APIs, backend services, and front-end interfaces) that surface AI-generated insights to business users - using Python, React/Next.js, and cloud-native services.
Design, build, and maintain data pipelines that ingest, transform, and serve market and business data using Python, Databricks (Delta Lake, Spark), and AWS services.
Develop and deploy AI/ML models and LLM-based workflows, including retrieval-augmented generation (RAG), prompt engineering, and agent orchestration using frameworks such as LangChain or LangGraph.
Implement monitoring, logging, and alerting for pipelines, models, and applications to ensure reliability, performance, and cost-efficiency in production.
Collaborate with Product, Data Science, and Business stakeholders to translate requirements into technical designs, user stories, and working software.
Contribute to platform architecture decisions, including infrastructure-as-code (Terraform), containerisation (Docker), and CI/CD practices.
Write clean, tested, well-documented code and participate in code reviews, sprint ceremonies, and knowledge-sharing across the team.

Hiring process

2 steps2 interviews

Online application
Pre-selection
Differs slightly by role; generally a simple chat about your application.
Interview
With a recruiting manager
Discuss your application, skills, experience and fit in more detail; some roles add a project or presentation.
Testing and background check · Not every role
Job offer

Candidates are almost always met in person at least once.
The company says it tries to give a quick decision after the interview.
Unsuccessful candidates must wait six months before reapplying for the same role.

About Mondelez

Mondelez International is a global snacking powerhouse, home to iconic brands like Oreo, Cadbury, Toblerone, and Milka. With operations in over 150 countries and roughly 91,000 employees, the company is one of the world's largest packaged food companies, focusing on biscuits, chocolate, and baked snacks. The company was formed in 2012 when Kraft Foods split into two entities, with Mondelez taking the global snacks business.

In Spain, Mondelez has a significant manufacturing footprint, with major plants in Granollers (Barcelona), Viana (Navarra), and Orbigo (León), where many of the current open roles are based. These sites offer structured internship and leadership development programs (such as the "Taste the Future" engineering and supply chain tracks) that are designed to bring in international talent. The company's culture emphasizes continuous improvement, lean manufacturing, and digital transformation, making it a relevant option for engineers, data professionals, and supply chain specialists looking to relocate to Spain.

Industry: Food
Founded: 2012
Employees: 50,000–100,000
Headquarters: Chicago, USA
In Spain: Barcelona, Granollers, Viana and 2 more

Good to know if you are moving

Mondelez runs structured internship programs (6-12 months) at its Spanish plants in Viana, Orbigo, and Granollers, which include housing support and mentorship.
The company hires globally and its Spanish sites are part of a large international manufacturing network, so English is commonly used in internal communications.
Many roles are in engineering, continuous improvement (IL6S), and supply chain, areas where international experience is highly valued.
The Barcelona-based role (Digital Asset Management) is a global position, indicating the company's willingness to staff key functions from anywhere.
Internships often include a monthly stipend and can be a direct entry point into a permanent role at the company.

In their own words

About the company & team

At Mondelēz International, our purpose is to empower people to snack right by offering the right snack, for the right moment, made the right way. That means delivering a broad range of delicious, high-quality snacks that nourish life's moments, made with sustainable ingredients and packaging that consumers can feel good about.

We have a rich portfolio of strong brands globally and locally including many household names such as Oreo, belVita and LU biscuits; Cadbury Dairy Milk, Milka and Toblerone chocolate; Sour Patch Kids candy and Trident gum. We are proud to hold the top position globally in biscuits, chocolate and candy and the second top position in gum.

Our 80,000 makers and bakers are located in more than 80 countries and we sell our products in over 150 countries around the world. Our people are energized for growth and critical to us living our purpose and values. We are a diverse community that can make things happen-and happen fast.

Mondelēz International is an equal opportunity employer and all qualified applicants will receive consideration for employment without regard to race, color, religion, gender, sexual orientation or preference, gender identity, national origin, disability status, protected veteran status, or any other characteristic protected by law.