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Overview
Software testers examine applications, services or components to see whether they behave as expected. Their work can include test cases, bug reports, regression checks and communication with developers or product teams.
When comparing roles, look for the balance between manual testing, automated tests, unit or integration testing, debugging support and release documentation.
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Open in Job ExplorerWork context
A software tester is often the person who turns uncertainty about a product into evidence. The work may start with requirements, user stories or change notes, then move into test cases, exploratory checks, regression runs and defect reports. Testers need enough technical understanding to discuss software architecture, data, interfaces and release risk with developers, while still keeping the user experience and expected behaviour in view.
Skills and specializations
Important strengths include designing clear test cases, reproducing software anomalies, explaining failures precisely and judging which defects matter most. Some software tester roles stay close to manual application testing, while others lean into automated tests, unit testing, code review, continuous integration or test data management. Domain knowledge also matters, because a finance, health, logistics or game application can fail in very different ways.
Salary context
Salary positioning for software testers is usually shaped by technical depth and product responsibility rather than the title alone. Roles that include test automation, scripting, code review, release decisions or complex systems tend to sit differently from roles focused mainly on executing prepared test cases. Seniority can also depend on how well the tester communicates risk, prioritises defects and helps teams prevent recurring software problems.
Career paths
A software tester can grow toward test automation, quality engineering, release management, product ownership, business analysis or software development. Another path is deeper domain specialization, where the tester becomes valuable because they understand both the system and the work it supports. Experience with debugging, automated pipelines and structured documentation can open more technical routes over time.
Good to know
A good software tester role description should make the testing context visible. Look for the product type, test levels, tools, release rhythm and how defects are discussed with developers. A title alone does not show whether the job is exploratory, scripted, automated, customer-facing or embedded in a development team.
Editorial note
This guide is editorial career context. It is not official labour-market statistics or role-specific salary data.
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O*NET relationships
See occupations connected to this ESCO occupation in the official O*NET–ESCO mapping. The relationship type comes from the source and is not a ranking or recommendation.
O*NET relationships: 1
Software Quality Assurance Analysts and Testers
15-1253.00
Exact relationship
The official mapping treats the O*NET and ESCO occupations as closely equivalent.
Open in O*NETSource and method
These relationships come from the official European Commission O*NET–ESCO crosswalk.
Relationship direction: O*NET occupation to ESCO occupation.
Several O*NET occupations can point to the same ESCO occupation, and one O*NET occupation can point to several ESCO occupations.
AltoTrail preserves the source relationship type. The order is technical and does not show which occupation is best, most relevant or recommended.
AltoTrail validates and presents the source relationships without adding ranking or recommendation semantics.
Alternative labels
Occupation group
Software and applications developers and analysts not elsewhere classified (2519)
Source facts
| ESCO URI | http://data.europa.eu/esco/occupation/106f79e4-6264-45f1-9e7a-297435cd684b |
|---|---|
| ESCO code | 2519.7 |
| ISCO group | 2519 |
| Concept type | Occupation |