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3 Skills Employers Want in Junior Data & AI Engineers


Breaking into data engineering and AI can feel overwhelming, with job postings asking for a long list of skills. A course like Northcoders’ Data Engineering, AI & Machine Learning Bootcamp can help you cover the skills you need. Here are the key elements to look for in a course if your goal is to get hired.

1. End-to-end pipeline engineering: Python, SQL, and APIs

Strong Python and SQL skills are the key foundation.They are 80% of data engineering work. Nobody expects a junior data engineer to design a novel ML architecture on their first day. But employers do want someone who can write clean, tested Python, query a database confidently, and understand how data flows between systems. This combination is the baseline filter on almost every data engineering job spec.

2. Cloud and DevOps fluency: AWS, IaC, CI/CD, and orchestration

Modern data teams don’t run pipelines on a laptop, but in the cloud, with automated deployment and monitoring. Knowing how to write a script is very different from knowing how to deploy, schedule, and monitor that script reliably in production. Cloud and DevOps skills are exactly what separates a candidate who “can code” from one who can be trusted to ship and maintain systems that the rest of the business depends on. This is why AWS experience and CI/CD literacy show up constantly in data engineering job ads.

A good data engineering bootcamp should cover the cloud, with a platform like AWS, alongside infrastructure-as-code (IaC) and continuous integration/continuous deployment (CI/CD) practices. It’s also important to get to practice orchestrating tasks the way you would in a real production environment: scheduling jobs, making them observable, and optimising them under realistic constraints.

3. Applied AI and modern LLM tooling

“AI/ML experience” used to mean a vague familiarity with scikit-learn. Today, companies integrating AI into their products are specifically looking for people who understand embeddings, vector search, and RAG pipelines. This is the practical architecture behind most production LLM applications. Graduating with an actual RAG system in your portfolio is a meaningful differentiator when applying for roles.

The bonus skill: working like a real engineering team

There’s one more thing that doesn’t show up on a technical skills checklist but matters enormously to hiring managers: practical projects and the ability to work with a team. Look for courses that allow you to to complete practical work with others, such as building a realistic data application. You’ll get insight into parts of a junior engineer’s role, such as through using Kanban, Agile methodologies, user stories, stand-ups, and collaborative Git workflows.

Technical skills get you an interview. Being able to demonstrate that you’ve actually worked inside a team, with sprints and stand-ups and shared repositories, is often what gets you the offer.

Getting Started

If you’re evaluating a data engineering course look for the same three pillars: solid engineering fundamentals (Python, SQL, APIs), cloud/DevOps competency (AWS, IaC, CI/CD), and applied, current AI skills (LLMs, embeddings, RAG). Combined with genuine team-based project experience, that’s the profile employers in data and AI are actively hiring for right now.

Northcoders’ Data Engineering, AI & Machine Learning Bootcamp covers all of the above, built from over a decade of experience teaching tech and close ties with employers. The course is always evolving as employers priorities and new technologies evolve. Click here to learn more