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

Onapsis · Bucharest, Romaniasenior

In short

▸Desarrollador SDET con enfoque en Python y JavaScript para automatizar pruebas en plataformas de ciberseguridad.
▸Diseñas y construyes automatización de pruebas front-end (React) y back-end (Python), además de colaborar con equipos de producto e investigación.
▸Destaca por trabajar en soluciones críticas para SAP y Oracle, protegiendo aplicaciones empresariales clave.

Proficiency in English is required

In ~1 minute you get: who interviews you, the likely questions answered from your CV, and your CV tailored to this job. Free, no card.

🎧Land the interview? Bring the copilot. Our free extension listens to the live interview and flashes 3-4-word anchors from your resume and prep — glance, connect, talk. Get the extension →

What they ask for

✓4+ años de experiencia en ingeniería de software
✓2+ años con JavaScript, HTML, CSS
✓2+ años con Python
✓Experiencia con React
✓Experiencia con APIs (REST, GraphQL)
✓Experiencia con PostgreSQL y SQLAl

Don't tick every box? That's normal — your free dossier shows your gaps and how to cover them in the interview.

PythonJavaScriptHTML5CSS3ReactRESTGraphQLPostgreSQLSQLAlchemyTest Case Management

Who should you write to at Onapsis?

Your free dossier identifies the people who'd interview you — their background, what they value, and how to reach out so you stand out before applying.

About the job The world’s most critical--and at risk--business applications have been neglected for far too long. Onapsis eliminates this blind spot by providing cybersecurity solutions dedicated to business-critical applications. Whether running on premises, in the cloud, or in a hybrid environment, Onapsis helps nearly 30% of the Forbes Global 100 understand the threats and risks across their SAP and Oracle landscapes. We are looking for self-motivated and enthusiastic Software Engineer in Test with Python and JavaScript who want to impact cybersecurity by continuing to advance, maintain, and enhance our platform features in Threat Detection & Response, Vulnerability Management, and Compliance Automation. What you will be doing, your legacy: Working with leadership, product management, engineering, and the Onapsis research team. You will design, implement, and execute test procedures to ensure software features work as intended. Focused on automation and advancing automation capabilities, you will also design, build, and use test automation and build automation to ensure our software always fulfills business solution requirements to protect our customers. Work collaboratively as part of a software engineer team aligned with cybersecurity researchers and product managers to iterate toward product definition and realization. Additionally, you will be working with the Architecture team to take the platform to the next level of maturity in terms of technologies, quality, and architecture design while advancing our quality engineering processes to deliver high-quality products and services. Responsibilities: • Design and develop user-facing features and interfaces using modern front-end technologies such as HTML5, CSS3, and JavaScript frameworks (React). • Ensure the technical feasibility of UI/UX designs and optimize applications for maximum speed and scalability. • Conduct thorough testing and debugging of front-end components to ensure high performance and cross-browser compatibility. • Stay updated on emerging trends and best practices in front-end development, incorporating new technologies and techniques as appropriate. • Utilize Python to build backend services, APIs, and scripting solutions to support front-end functionality and enhance application features. • Work alongside senior developers to contribute to the design and implementation of Python-based solutions, following best practices and coding standards. • Participate in code reviews and provide constructive feedback to improve code quality and maintainability. • Continuously expand your knowledge and skills in Python development through self-learning and mentorship opportunities. • Conduct thorough testing of both front-end and backend components, identifying and addressing any issues or bugs in a timely manner. • Assist in troubleshooting and resolving technical issues reported by customers or internal stakeholders, providing effective solutions and mitigations. • Contribute to the improvement of development processes and workflows, advocating for best practices in software quality assurance and testing. Requirements: • 4+ years of professional software engineering experience • 2+ years of programming experience with Javascript, HTML, CSS • 2+ years of programming experience with Python. • Bachelor’s Degree in Systems Engineering, Computer Science or related field, or relevant work experience. • Experience with React • Experience with tracking and testing tools, including Test Case Management, Project Planning Tools and Issue Tracking • Experience with APIs (REST, GraphQL) • Experience with Relational databases and ORMs (we use PostgreSQL and SQLAl

Don't apply unprepared

We research who's interviewing you, tailor your CV and rehearse you live — first one free.