Codility

Codility is an engineering hiring and workforce-planning platform for teams that need consistent technical evaluation alongside skills visibility. It is strongest for organizations recruiting across many roles or coordinating engineering capacity, while occasional users may find its paid, credit-based structure harder to justify.

Overview

Codility combines three connected products. Screen delivers online technical assessments with objective scoring and detailed result breakdowns across more than 1,300 tasks. That breadth supports repeatable evaluation across job families, provided hiring teams still align each task with the work a role actually requires.

Interview provides live technical sessions in a VS Code environment. Whiteboarding, pair programming, live code execution, recordings and structured evaluation give interview panels a common process and an auditable record rather than relying on an unstructured call. Skills Intelligence extends beyond candidate selection by mapping engineering capabilities, exposing gaps and informing project staffing and development planning.

Key features

Assessments and interviews

Skills assessments, custom assessments, benchmarking and proctoring cover both standardized and tailored hiring workflows. Teams can configure AI use separately for each assessment, including tasks on prompt engineering, evaluating AI-generated code and working with AI tools. That makes the platform usable under different AI policies, from restricted use to deliberate assessment of AI-assisted work.

Integrations and API

Connections to Greenhouse, Lever, Ashby, Workday, SAP and SmartRecruiters fit Codility into established recruiting and HR operations. The public API handles invitations, result retrieval, completion alerts and custom reporting, with a limit of 500 requests per user per hour. That ceiling is ample for ordinary recruiting automation but should be modelled carefully for high-volume or heavily event-driven systems.

Security and governance

Codility states that its information-security program is ISO 27001 certified and covered by a SOC 2 Type II report, with encryption in transit and at rest. Customers choose EU or US data residency at contract, with both options available to enterprise clients. GDPR and CCPA compliance, plus WCAG 2.2 AA accessibility, support regulated and accessibility-conscious hiring programs.

Pricing

Codility is paid software with no free plan. Free trials are arranged through Codility's team and scoped to customer roles, volume and products, rather than a fixed duration.

PlanWhat it includesBest forStarterCustom pricing; 120 invite credits per year and one platform user; standard support.Small teams running a limited annual assessment program.ScaleCustom pricing; 300 invite credits, 25 invite credits per month and three platform users; standard support.Growing recruiting teams that need recurring monthly capacity and shared administration.CustomBespoke billing; assessment volume tailored to requirements, unlimited platform users, the full platform, a dedicated Customer Success Manager and quarterly business reviews.Starter's single-user allowance and annual credit pool suit concentrated ownership, not a distributed recruiting function. Scale adds collaborators and a recurring monthly allocation, but its quotas still require forecasting invitation demand. Custom removes the platform-user limit and adapts volume, making it the practical choice when hiring cycles or workforce programs do not fit fixed allowances.

Platforms

Codility is offered through web, API, macOS and Windows. The Codility App supports macOS and Windows only; Linux is not supported for assessments or interviews that require the app. Teams with Linux-based interviewer or candidate machines should confirm that their intended workflow can remain browser-based before committing.

Who it's for

Codility fits engineering organizations that need repeatable screening, structured live interviews and internal skills planning in one system. Recruiting operations benefit from its ATS and HR integrations, while engineering leaders can use Skills Intelligence for gap analysis and staffing decisions. It is less suitable for teams seeking a permanently free coding-test service, or for workflows that depend on Linux desktop-app support.

Pros and cons

Pro: More than 1,300 assessment tasks provide substantial coverage for standardized technical screening.

Pro: Live VS Code interviews combine execution, collaboration, recordings and structured evaluation in one session.

Pro: Skills Intelligence connects hiring data with workforce development and project staffing.

Pro: Configurable AI policies and AI-focused tasks support current assessment practices.

Pro: Enterprise security, residency choices and accessibility commitments address governance requirements.

Con: There is no free plan, so even small or occasional users enter a paid purchasing process.

Con: Invite-credit quotas on Starter and Scale make usage planning necessary.

Con: Linux users cannot use assessments or interviews that require the desktop app.

Alternatives

For a broader directory of options, see Coding Challenge Platforms, Pre-Employment Assessment Software, Coding Assessment Platforms, Talent Assessment Software and Assessment Software.

CodeSignal is the better choice for individuals or teams wanting a free entry point, with web, mobile and API access and a free Individuals plan. Choose Eolymp when free programming problems, educational material and contest participation matter more than Codility's hiring workflow. HackerRank suits teams wanting a published Starter price, Screen and Interview, and 120 annual attempts. DMOJ is appropriate for free or self-hosted contest hosting, including Linux environments. GeeksforGeeks Practice is a freemium practice option on mobile and web. HackerEarth Assessments offers a free tier with five test invites, three interview invites and two admins. Edabit is for completely free browser-based challenges. AtCoder is for free contest participation with browser-based code execution.

Verdict

Choose Codility when your organization needs rigorous engineering assessments, structured live interviews and workforce skills mapping under one governed platform. Its assessment depth, integrations and planning capabilities justify the paid model for sustained hiring programs. Look elsewhere if you need a free service, predictable published pricing, or Linux desktop-app support.