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Our team is growing, and we are looking for you to join us as a QA Engineer to lead and enhance our quality assurance processes and methodologies.

What will you do:

• Be the Quality Advocate in the company, guiding the team on Quality Assurance architecture and methodologies.
• Define and execute regression, new feature, and performance testing frameworks with relevant metrics.
• Develop and implement a strategy for continuous testing efforts in new and upgraded products.
• Analyze data and communicate test results effectively.
• Use strong analytical skills to solve complex problems while adapting to changing priorities.
• Interface with internal customers including software development, Customer Support, documentation, and product planning.
• Work closely with development, product management, and other teams to design and execute test plans for new features.
• Ensure the quality and reliability of the system through comprehensive testing.
• Troubleshoot and investigate issues in a complex system structure.

Qualifications:

• 4+ years of experience as a QA Engineer.
• Strong knowledge of relational databases (SQL).
• Experience in Web & Mobile testing methodologies (Mobile testing is a must).
• Proficiency in API testing tools (such as Postman).
• Fluent in English (written & verbal).
• Ability to work independently and within a team.
• Strong multitasking skills and ability to work under pressure.
• Hands-on experience with Python automation – Advantage.
• Experience working in an Agile environment – Advantage.

Cello Technologies is an equal opportunity and affirmative action employer. Qualified applicants will receive consideration without regard to their race, color, religion, sex, sexual orientation, gender identity, national origin, or disability

What will you do:

• Make sure our existing high-performance distributed system (including legacy) keeps running smoothly to serve millions of Cello customers globally
• Design, develop, and maintain robust & scalable backend services and APIs #using C
• Collaborate with cross-functional teams to define and deliver new features while ensuring code quality, performance, and scalability

Qualifications:

• 3+ years of experience in backend development with C#, .NET Core
• Start-up experience will be amazing

• Excellent problem-solving skills and attention to detail
• Strong communication and teamwork abilities
• Experience with AWS cloud platform
• Familiarity with frontend technologies (e.g.,Angular) is a plus.

• Tech stack: microservices, API, .Net core, k8s, docker, kafka, sql sevrer, mongodb

Location

HaRokmim st. 26, Holon

We’re looking for a Product Marketing Manager with 3+ years of experience to join our marketing team.

This is a great opportunity to take on a versatile role combining marketing execution, user behavior analysis, UX improvement, and driving in-app engagement.

What will you do:

• Strengthen brand positioning among potential users with a focus on conversion to active usage

• Manage end-to-end digital campaigns – including media planning, execution, and ongoing optimization

• Collaborate on defining and enhancing customer journeys and in-app user experience

• Set measurement frameworks, analyze user behavior and KPI's, and deliver actionable insights

• Translate data into strategic marketing and business recommendations

• Lead marketing specifications and ensure their implementation across product deliverables

Qualifications:

• 3+ years of experience as a Product Marketing Manager or Brand Manager in a product-oriented company

• Proven experience managing digital marketing campaigns

• Strong analytical skills and the ability to use data to guide decisions

• Self-starter with the ability to manage multiple cross-functional stakeholders (Product, Sales, Operations, Service)

• Experience in B2B marketing – an advantage

Location

HaRokmim st. 26, Holon