Sr. Software Engineer - Applied AI

Tealium; Polska; On-site; PLN 245,000 - 320,000; Full time

Job summary

Tealium is expanding its Insights engineering team with a Senior Software Engineer to design and implement scalable production systems and AI agents built on large language models. You will own end-to-end development of LLM-powered features and contribute to AI expertise within the team.

The role involves architecture design, prompt engineering, data privacy, guardrails, and collaboration with product and platform teams to deliver robust solutions at scale.

Qualifications

• 5+ years of software development experience in Python/Java.
• Proven experience shipping LLM-powered features to production at scale.
• Solid knowledge of modern software engineering principles and patterns.

Responsibilities

• Design, build and own AI agents and LLM-powered software products end-to-end.
• Lead the technical design of agentic systems and workflows using LLMs/ML models.
• Integrate agents with Tealium data/configuration systems and APIs.

Skills

Python

Java

LLM

AWS

Kubernetes

Data pipelines

Spark

Tools

Terraform

Docker

Databricks

Spark

Pandas

Jupyter

LangChain

LlamaIndex

Job description

• 2024 Invoca Partner Collaboration Award

Who We Are

Tealium is the trusted leader in real-time Customer Data Platforms (CDP), helping organizations unify their customer data to deliver more personalized, privacy-conscious experiences. As the demand for connected, intelligent customer engagement grows, Tealium’s leadership in CDP is translating directly into leadership in enabling enterprise AI strategies. By providing clean, consented, and actionable data, Tealium empowers its customers to accelerate the adoption of AI and machine learning, fueling smarter personalization, predictive insights, and business outcomes at scale. More than 800 leading global brands trust Tealium to power their customer data strategies and deliver real-time, personalized experiences at scale. Team Tealium has team members present in nearly 20 countries worldwide, serving customers across more than 30 countries. We win together with respect and appreciation for the talents required of all positions and the people who contribute to each of these. We are intentional about our WOWs (Ways of Work) culture, our investment in our team members, and how we care and connect. With An Extraordinary Portfolio Of Investors (including Georgian, Silver Lake Waterman, Battery, And Others) And Deep Industry Experience, Tealium Has The Financial Backing, Profitability, And Expertise To Continue To Outpace Competitors And Lead The Way In Innovation. Today, Tealium Holds Over 50 Patents, And a Few Of The Recent Industry Recognitions Include

• A Leader in the 2025 Gartner® Magic Quadrant™ for Customer Data Platforms
• 2025 TrustRadius Award Winner: Buyer’s Choice
• 2024 Invoca Partner Collaboration Award
• 2024 G2 Leader in Tag Management & Enterprise Data Governance
• Tealium Customer Data Hub achieved the Top Rated Award by TrustRadius (2024)
• Named on Destination CRM’s 2024 Top 100 Technologies List for Sales
• Named on the 2024 Best and Brightest in the Nation list
• BuiltIn’s 2024 Best Place to Work

What We Are Looking For

Tealium is expanding its Insights engineering team with a Senior Software Engineer to help design and implement scalable production systems and AI agents built on large language models. The team is focused on building Tealium products that provide analytics, recommendations, AI-assisted decision-making, and workflow automation for our customers. You'll take technical ownership of LLM-powered features end-to-end, including architecture design, prompt engineering, context retrieval workflows, tool use, data privacy, guardrails, evaluation, and monitoring. The ideal candidate knows how to efficiently iterate from prototypes to production-grade solutions, thinks about end-user experience and business goals, and loves learning and sharing knowledge. You will contribute to AI expertise within the team and the company, and collaborate closely with senior engineers and other product and platform teams to build robust, well-integrated solutions. In this application-layer role, you'll work with existing foundational models rather than training custom ones. As a Senior Software Engineer, you'll also set and supervise technical direction, review other people's designs, and help the team get better at using harnesses, code generation, and other AI tools for efficient development.

Team Teal Tech Stack

• AWS services: Bedrock, Timestream, QuickSight, S3, Lambda, MSK, Kinesis, EC2, ECS, EKS, Cloud Watch
• DBs: Dynamo,, Redshift, Postgres, Mongo, Redis
• Data Platforms and Processing: Databricks, Delta Lake, Spark
• Languages: Python, Java (Quarkus), TypeScript
• Frameworks: MLflow, LangChain, LlamaIndex, CrewAI, Pandas, Jupyter Notebooks
• QA tools: Playwright, Allure
• Services: Jenkins, Datadog, Sumologic, Jfrog, Testrail
• Infrastructure: Terraform, Kubernetes, Docker
• AI / GenAI: LLMs, Retrieval-Augmented Generation (RAG), Model Context Protocol (MCP)

YOUR DAY TO DAY

• Design, build and own AI agents and LLM-powered software products end-to-end
• Lead the technical design of agentic systems and workflows, utilizing LLMs and ML models to solve complex problems
• Integrate agents with Tealium's data and configuration systems, as well as internal and external parties via APIs and MCP
• Supervise security and compliance of non-deterministic solutions by adding prompt-injection defenses, PII controls, output validation, and human-in-the-loop gates
• Partner closely with Product Managers and Engineers to find opportunities for bringing value to the customers by leveraging AI technologies
• Drive AI expertise, participate in peer reviews, and set standards for how the team builds LLM systems

What You Bring To Tealium

• 5+ years of software development experience (Python, Java)
• Proven experience shipping LLM-powered features to production at scale
• Solid knowledge of modern software engineering principles, patterns, and best practices
• Hands-on experience with RAG workflows, including chunking, embeddings, and data retrieval from relational and vector databases
• Experience deploying software on cloud platforms such as AWS, GCP, or Azure
• Strong communication skills, with the ability to clearly explain complex technical concepts to teammates
• Genuine desire to learn new technologies, products, and business areas
• Domain expertise in martech, marketing analytics, or customer data platforms (CDP)
• Good understanding of traditional statistical ML models and libraries
• Experience building Data/Analytics/ML pipelines on Spark/Databricks or similar
• Familiarity with modern DevOps concepts: Docker, Kubernetes, Terraform

Wage Transparency

In several countries worldwide, including regions within the EMEA and APJ, employers are required or strongly encouraged to include salary ranges in job postings. While requirements vary by location, transparency is a core value at Tealium. We're committed to providing clear and consistent compensation information to all applicants, regardless of location.

This full-time position offers a base salary range of 245,000-320,000 PLN (Polish zloty) annually. The final offer is determined by job-related skills, experience, and qualifications. The role may also be eligible for a performance-based bonus and equity options.

WHY YOU WANT TO WORK HERE

At Tealium, we don’t just offer the ordinary, we provide the extraordinary:

• Tealium WOWs (Ways of Work), our award winning culture is how with think, act and connect together at Tealium
• Mosaic, our commitment to diversity, equity and inclusion is grounded in our mosaic of diverse perspectives and shared belonging as we live in work across the US and in nearly 20 countries
• Tealium Cares, to promote caring in our communities, 15 hours of paid work time for volunteer activities and programs is offered annually
• Tealium Connects (remote-first working), enabling many of us to choose where we do our best work and offering new hire stipends to assist with purchasing things we need to support a successful home office environment
• Tealium Ownership, share in the success of Tealium by becoming an owner of Tealium beginning with new hire equity grants
• Tealium Time, paid time-off policy to offer flexibility to take time when needed and robust leave programs, including extended paid parental leave and company holidays
• Healium, health and wellness programs to help us be our best selves in the experiences of health, physical, mental, social, and even financial well-being and wellness
• Tealium LIFT (Learning is Facilitated at Tealium), offering a myriad of professional development opportunities with over 6,000 courses available on demand to best-in-class manager and leadership development programs
• Health and Related Benefits Programs, offering market competitive benefits programs

Collectively, we contribute our individual pieces (identity, experiences, heritage, backgrounds, religions, viewpoints, gender and more ) to form the mosaic of Team Tealium. It is our continuing philosophy to recruit and employ the best qualified individuals without regard to race, color, sex, religion, national origin, disability, age, sexual orientation, gender identity, and/or any other protected characteristic. Tealium does not tolerate unlawful discrimination of any kind and strives to be an inclusive and respectful workplace.

The highly relevant and differentiated positioning of Tealium’s solutions makes this a unique and rewarding career opportunity.

• Offerings vary by level and location.