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Software Developer Engineer in Test III (SDET) - Python & JavaScript

Romania💼 Full-time🗓 2026-09-14 → 2026-09-26

Core

Design, implement, and execute test procedures and automation frameworks for cybersecurity platform features in Threat Detection, Vulnerability Management, and Compliance Automation.

Role type

Senior SDET (Python & JavaScript)

Builds

Automated test frameworks, user-facing front-end features, and backend services/APIs for the Onapsis security platform.

Domain

Cybersecurity / Application Security Testing

Deliverable

production ML models | product features | dashboards & analysis | research | client delivery | infrastructure | physical/clinical work

Required skills

Python, JavaScript, HTML5, CSS3, React, REST/GraphQL APIs, PostgreSQL, SQLAlchemy, Test Case Management, Issue Tracking, Observability tools, Automation framework design, Agile methodologies

Preferred skills

TypeScript, Django, Docker, Kubernetes, Celery, AMQP, MQTT, Redis, CI/CD tooling, Distributed computing

Technologies

Python, JavaScript, React, HTML5, CSS3, PostgreSQL, SQLAlchemy, Docker, Kubernetes, Celery, Redis, GraphQL

Responsibilities

Design and develop user-facing features and interfaces using modern front-end technologies; Conduct thorough testing and debugging of front-end and backend components; Utilize Python to build backend services, APIs, and scripting solutions; Design, build, and use test automation and build automation; Participate in code reviews and provide constructive feedback; Assist in troubleshooting and resolving technical issues reported by customers or internal stakeholders.

Seniority

Senior, hands-on IC

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