AI Engineer - Data & Analytics
Tango · Warsaw, Masovian Voivodeship, Poland
Consumer Services · 201-500 employees
About the role
You will own and grow internal AI agent tooling, including CI/CD pipelines and deployment infrastructure. Additionally, you will build and deploy LLM-based agents while ensuring the reliability and accuracy of these systems through monitoring and evaluation.
What they look for
Requirements
Candidates must have at least 3 years of experience in AI/ML, data, or software engineering with a focus on production LLM systems. Strong proficiency in Python, SQL, and RAG architectures is required, along with the ability to communicate technical concepts to non-engineering stakeholders.
Benefits
Full description
Tango is a successful, market leader, a live-streaming Platform with 450+ Million registered users, in an industry projected to reach $240 BILLION in the next couple of years.
The B2C platform, based on the best-quality global video technology, allows millions of talented people around the world to create their own live content, engage with their fans, and monetize their talents.
Tango live stream was founded in 2018 and is powered by 500+ global employees operating in a culture of growth, learning, and success!
The Tango team is a vigorous cocktail of hard workers, creative brains, energizers, geeks, overachievers, athletes, and more. We push the limits to bring our app from “one of the top” to “the leader”.
The best way to describe Tango's work style is not to use the word “impossible”. We believe that success is a thorny path that runs on sleepless nights, corporate parties, tough releases, and of course our users' smiles (and as we are a LIVE app, we truly get to see our users all around the world smiling right in front of us in real-time!).
Do you want to join the party?
Responsibilities
- Own and grow our internal AI agent tooling - skills, agents, CI/CD pipelines, and the deployment tooling that ships changes safely to production.
- Build and deploy LLM-based AI agents (data modeling, semantic layer, data quality, and validation checks) in a secure, reproducible multi-agent environment with access to our data warehouse and internal tools.
- Develop and maintain reusable AI skills that let an AI assistant answer business questions accurately against our data warehouse.
- Investigate and evaluate new approaches - RAG pipelines, vector databases, alternative model providers, self-hosted agent infrastructure - and bring the best ones into production.
- Support domain teams in data modeling - helping analysts and data engineers build semantic layers, canonical schemas, and AI test/eval question sets so their data is AI-ready.
- Troubleshoot MCP (Model Context Protocol) integrations end-to-end - connectivity, auth/IAM, tool schemas, and degraded or failing tool calls.
- Own the reliability and accuracy of deployed agents - monitoring, eval tracking, incident response, and iterating based on real usage.
Requirements
Must-have
- 3+ years of experience as an AI/ML Engineer, Data Engineer, or Software Engineer building production systems with LLMs.
- Hands-on experience building agents or applications with Claude, GPT, or similar LLM APIs; solid understanding of RAG architectures and vector databases.
- Strong Python and SQL skills, and comfort working with data models and cloud data warehouses.
- Strong communication skills - able to work directly with non-engineering stakeholders and explain technical concepts clearly.
- Ability to work in a fast-paced environment: comfortable investigating unproven tools and making pragmatic build-vs-adopt calls.
- English level: professional working proficiency (B2+).
Nice-to-have
- Experience with data-quality frameworks (e.g., Soda).
- Experience with workflow orchestration (e.g., Airflow) and CI/CD pipelines.
- Prior work on internal developer tooling, platform engineering, or AI agent infrastructure.
- Experience running or contributing to multi-agent systems.
What we offer:
- Stock options grant (we’re a Silicon Valley Company)
- Competitive salary
- Hybrid flexibility 4 days in office 1 home office
- Medical insurance for you and 75% off for your relatives
- Lunch budget
- Parking
- Multisport card
- Cheerful team spirit and fun office atmosphere
If this sounds like you, apply and help empower live entertainers and creators to build independent businesses around their live talents.