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Tech Recruiting

Collaborative Tech Hiring in People Operations (Panel Discussion)

Did you miss our panel discussion on collaborative hiring & what cooperation between developers and hiring teams looks like? Here are the key takeaways.

Whiteboard Interviews: Why They're Bad For Tech Interviews

Find out why whiteboards should not be used during tech interviews with developer candidates and learn how to efficiently test coding skills on Codility!

Going Mobile? 3 Things to Know When Hiring a Mobile Developer

It takes time and strategy to build an all-star dev team. Bringing on the best mobile app developers that are the right fit for your company is crucial to long-term success. Use this as a guide to help you win over talent and get started on the hiring process.

Engineering Teams

9 Things That Turn Off Developer Candidates

Breaking down major technical interview “don’ts”—from a developer’s perspective.

Leveraging Internal Hackathons to Benchmark Junior Developers and Foster Collaboration

Ask yourself these 5 key questions to successfully assess junior developers at an internal hackathon, identify their training needs, and spot existing problem-solving skills.

Enrich, Understand, and Communicate: 3 Principles for Retaining Great Engineers

Paweł Rzymkiewicz, Head of Engineering at Codility, shares tips on how to retain great engineers through enrichment, understanding, and communication.

News & Updates

What We Shipped: 2018 Highlights

It was a big year - but here's a summary of our most exciting releases in 2018.

How to Hire Django and Python Developers: Assessing Candidates

Find out how to hire the best Django and Python developers. Assess developers' knowledge and problem-solving skills online using Codility's Django Tasks!

QA Engineer Skills: What Makes A Good QA Engineer? | Codility

Find out what makes a good QA engineer and start evaluating how well candidates plan tests for page acceptance. Test engineer skills with Codility's QA Tasks.

Inside Codility

Collaborative Tech Hiring in People Operations (Panel Discussion)

Did you miss our panel discussion on collaborative hiring & what cooperation between developers and hiring teams looks like? Here are the key takeaways.

Gender Performance Gap in Tech Employment (Analysis From 1M Sessions)

What causes the gender performance gap in employment? Find out what Codility learned from 1M candidate coding sessions & get insights from Gender Bias Report!

Great Companies Start with Great Culture

People and culture are the most valuable assets in a startup’s goal to become a great company. Read more to see Codility's approach to recruitment, onboarding, employee retention, and feedback to create a great place to work.

Programming

Z-Index Explained: Styled Components & CSS Z-Indexing

Review an explanation from Codility's Front-End engineer, Rafał Ruciński, on how to solve CSS z-index with styled components, including stacking context & ideas.

Inside Codility: babel-plugin-jsx-svg-inject Plugin

Rafal, a Sr. Front-end Engineer at Codility, talks about his search for a tool that would enable him to use SVG icons as easily as font icons.

Code Highlighting and Script Bundle Optimizations | Codility

Gain insights on some of the tech industry's existing code highlighting tools and learn how removing libraries from script bundles help retain functionality.