· Verification
React Skills Test: What a Fair One Measures
A fair React skills test measures components, state, effects, performance and testing. It adapts to your level, avoids trivia, and stays explainable.
Writing on skills and evidence.
Practical articles on skill verification, skills-based hiring and learning from other practitioners, and on how Lemma turns evidence into a score you can inspect.
More articles
· Verification · 8 min read
Show SQL Skills on Your CV (With Proof)
Show SQL skills on your resume by stating what you built, which query patterns you used, and the data context, then link each claim to openable proof.
· Hiring · 8 min read
TestGorilla alternatives for engineering hiring
Looking for TestGorilla alternatives? For engineering, choose tools that create skill-specific evidence: code, reviews and job-relevant tasks.
· Hiring · 7 min read
Codility vs HackerRank: what they test
Codility and HackerRank both test coding skill, but in different ways. Here’s how they compare, and where work-sample evidence fits.
· Hiring · 6 min read
HackerRank alternatives for evidence-based hiring
Five HackerRank alternatives compared fairly: CodeSignal, Codility, CoderPad, TestGorilla and Karat. What each proves, and where a candidate's own record fits.
· Verification · 6 min read
LinkedIn Skill Assessments: Still Available in 2026?
No. LinkedIn Skill Assessments are no longer available: the badges were removed in 2024. What LinkedIn says replaced them, and how to show a skill now.
· Learning · 7 min read
Skill Swap: How It Works and Where to Do It
A skill swap is when two people teach each other what they know. How it works, where to do it, what makes a swap fair, and how sessions can become proof.
· Learning · 6 min read
Are certifications worth it for software engineers?
When a certification is worth it for a software engineer in 2026, when it is not, what popular ones test, how long they last and what to show alongside one.
· Hiring · 6 min read
How to assess technical skills in an interview
Assess technical skills in an interview without puzzle questions: structured formats, work samples, code review and debugging, scored with a shared rubric.
· Hiring · 6 min read
Technical skills assessment template and rubric
A copy-ready technical skills assessment template: a four-level scoring rubric with behavioural anchors, an evidence weighting table and a scorecard.
· Methodology · 5 min read
What is skill verification?
Skill verification means producing inspectable evidence that someone can do what they claim. The kinds of evidence, the standards, and how to judge a system.
· Verification · 4 min read
What LinkedIn Endorsements Mean, and Don't Prove
A LinkedIn endorsement is a one-click vouch from a connection for a skill you listed. What endorsements mean, how recruiters read them, and their limits.
· Hiring · 8 min read
Skills-based hiring: a practical guide
How to move from CV screening to evidence of skill: what the research shows, why most degree resets stall, and a six-step process you can run this quarter.
Evidence beats claims.
Lemma organises what you can show, from live sessions to assessments and real work, into one Skills Passport. Join the early-access list, or start with how the score is built.