Senior Software Engineer (Backend)

Overview

What You'll Do:

The Global Automation team develops and runs a wide range of first-class solutions that empower Criteo’s commercial and operations teams to maximize their business impact.

We build scalable, reliable, and interoperable systems, that constantly need to adapt to business priorities and evolutions. And we build the applications, APIs and UIs to supply first-class service to our users.

As a Senior Software Engineer, you will be a key contributor in crafting high impact solutions, working within a cross-functional team of skilled engineers. Your work will involve designing and developing APIs, ETL pipelines, and frameworks that give commercial stakeholders secure, reliable, and performant access to data and insights. You will also help integrate and orchestrate AI-driven agents and automation workflows, enabling commercial stakeholders to leverage intelligent, adaptive systems at scale.

• Partner closely with Product and Design team to shape technical requirements, refine scope, and define iterative delivery plans.
• Lead the planning and execution of development efforts, coordinating effectively with fellow engineers.
• Drive the creation of proof of concepts for complex features, architectural changes, or new capabilities.
• Write comprehensive tests to ensure code quality and facilitate reliable deployments.
• Own end-to-end delivery of features and improvements, working with high autonomy.
• Contribute to frontend features, component design, and integration with backend services.
• Produce high-quality, maintainable code adhering to Criteo’s engineering standards and best practices.
• Elevate the team through thoughtful code reviews, technical guidance, and active mentorship.
• Proactively surface technical debt, scalability concerns, and architectural gaps, and propose actionable plans to address them.
• Contribute in retrospectives to suggest and implement process improvements.
  
  
  

Location: Gurugram, IN (Hybrid)

EMEA Shift (1.30pm IST - 10.30pm IST)

Who You Are:

• Bachelor's degree in Software Engineering or related field, with 6+ years of professional experience in software development, primarily focused on backend systems.
• Professional experience with Python and modern API frameworks such FastAPI or Flask.
• Proficiency in database design, optimization, building scalable backend architectures.
• Hands-on experience integrating LLMs or AI APIs (e.g., OpenAI, Anthropic) into production services.
• Familiarity with Python-based agent or orchestration framework (e.g., LangChain, LangGraph, PydanticAI, or similar).
• Understanding of vector databases or semantic search concepts, and experience using at least one.
• Ability to design agent workflows involving tool use, retrieval strategies, and multi-step reasoning.
• Knowledge of prompt engineering and evaluating AI model outputs for reliability and correctness.
• Have a strong grasp of software engineering principles, system design, and algorithms, and you write clean, maintainable, and well tested code.
• Experience with at least one modern frontend framework, Angular, React, Vue.
• Bring a collaborative mindset, communicating effectively with both technical and non-technical stakeholders.
• Thrive in a collaborative team environment, and actively mentor and support your peers, sharing knowledge and helping others overcome technical challenges.
• Strong command of the English language, both written and verbal
• Experience working in an agile, iterative software development environment
  
  
  

We acknowledge that many candidates may not meet every single role requirement listed above. If your experience looks a little different from our requirements but you believe that you can still bring value to the role, we’d love to see your application!

Who We Are:

Criteo is a leader in commerce media, helping brands, agencies, and publishers create meaningful consumer connections through AI-powered advertising solutions. We’re shaping a more open and sustainable digital future for advertising.

At Criteo, our culture is as unique as it is diverse. From our offices across the globe or from the comfort of home, our 3,600 Criteos collaborate together to build an open, impactful, and forward-thinking environment.

We foster a workplace where everyone is valued, and employment decisions are based solely on skills, qualifications, and business needs—never on non-job-related factors or legally protected characteristics.

What We Offer:

🏢 Ways of working – Our hybrid model blends home with in-office experiences, making space for both.

📈 Grow with us – Learning, mentorship & career development programs.

💪 Your wellbeing matters – Health benefits, wellness perks & mental health support.

🤝 A team that cares – Diverse, inclusive, and globally connected.

💸 Fair pay & perks – Attractive salary, with performance-based rewards and family-friendly policies, plus the potential for equity depending on role and level.

Additional benefits may vary depending on the country where you work and the nature of your employment with Criteo.