Senior Software Development Engineer in Test

Predictive Revenue System, enabling humans and AI to work together to make smarter decisions and drive consistent growth.
With thousands of customers using our platforms every day, we have an unmatched view into how revenue is actually won — the Revenue Context that reveals what happens, when, and with what outcome. This gives us a unique opportunity to transform an entire category and set a new benchmark for how modern revenue teams operate.
Join us to help transform how companies around the world run revenue — and build the platform that will guide leading revenue teams into the future.
About the Team The Engineering team at Clari is an Agile shop that practices Scrum across all of our teams. We layer in coordination practices such as Big Room Planning to stay aligned to Clari's KPIs quarterly across sites and teams. If you love working in an Agile environment that values collaboration and continuous improvement then we can't wait to meet you.
About the Role We're looking for a Senior Software Development Engineer in Test (SDET) to contribute to automation strategy and quality initiatives for one of Clari's key product domains. You'll play a key role in shaping how we validate, measure, and ensure quality across new and existing product capabilities — from APIs to enterprise-scale web applications.
This role is a great fit for an engineer who brings strong skills in test automation and systems engineering, and who's motivated to champion quality throughout the development lifecycle. You'll collaborate with product, backend, frontend, and platform teams to create reliable, maintainable, and high-performing test frameworks that help us deliver excellence at scale.
This is a fully remote opportunity and can be worked from any location in Poland. Candidates must be based in Poland and be able to travel to the office in Kraków as needed. Responsibilities

• Design, develop, and maintain scalable and reliable automated test suites across the SDLC
• Collaborate closely with developers and product managers to define effective test strategies that balance speed, depth, and coverage
• Contribute to the evolution of automation frameworks and tools to improve test reliability, scalability, and observability
• Integrate automated tests into CI/CD pipelines to support faster and more stable releases
• Analyze system performance, identify bottlenecks, and contribute to solutions that improve efficiency and quality metrics
• Partner with cross-functional teams to elevate engineering and testing practices across projects
• Proactively identify opportunities to expand automation coverage and improve testing efficiency

Qualifications

• 5+ years of experience in software testing or backend automation, with hands-on work developing and maintaining automation frameworks
• Strong experience designing and enhancing end-to-end test frameworks and automation tools
• Solid background in testing REST APIs, backend services, and data pipelines, including validation using complex queriesProficiency with modern test frameworks such as Playwright, RestAssured, TestNG, or JUnit
• Familiarity with CI/CD tools (e.g., Jenkins) and a strong understanding of SDLC and DevOps practices
• Ability to analyze complex systems, identify risk areas, and contribute to scalable testing solutions
• Strong communication and collaboration skills, with the ability to work effectively across engineering teams
• Experience working in cloud environments (AWS) and with databases such as PostgreSQL or MongoDB; skilled in programming with TypeScript, Java or Kotlin.
• Experience in CRM, enterprise SaaS, or large-scale data systems is a plus

Perks and Benefits @ Clari

• Team-bonding activities and company-wide events
• Flexible working hours 
• Annual Well-being and Professional Development Stipends
• Private Healthcare and Multisport Pass
• Paid maternity and paternity leave

#BI-Remote #LI-Remote
At Clari + Salesloft, we are committed to creating an inclusive and supportive workplace where everyone belongs and can thrive. We focus on culture add, not culture fit, and believe our teams are made stronger by the unique perspectives, experiences, and identities each person brings.
We are proud to be an Equal Opportunity Employer and provide employment opportunities to all employees and applicants without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, age, disability, veteran status, pregnancy, or any other characteristic protected by law.
If you're excited about this role even though your experience may not perfectly match every requirement, we encourage you to apply. We are actively hiring across multiple geographies and would love to welcome passionate, curious, and mission-driven individuals to our growing team. Explore our open roles and consider joining us
Please note that all official communication regarding job opportunities at Clari + Salesloft will come from an or email address. If you receive messages on LinkedIn or other job platforms claiming to be from Clari + Salesloft, they may not be legitimate. To verify the authenticity of any job-related communication, please visit our official Careers site.
Please note: We may use an AI notetaker in our interviews so we can focus on the conversation. The notes are private and used only for our hiring process. To opt out, please contact your recruiter. It won't affect your experience. We may use artificial intelligence (AI) tools to support parts of the hiring process, such as reviewing applications, analyzing resumes, or assessing responses. These tools assist our recruitment team but do not replace human judgment. Final hiring decisions are ultimately made by humans. If you would like more information about how your data is processed, please contact us. We may use artificial intelligence (AI) tools to support parts of the hiring process, such as reviewing applications, analyzing resumes, or assessing responses. These tools assist our recruitment team but do not replace human judgment. Final hiring decisions are ultimately made by humans. If you would like more information about how your data is processed, please contact us.

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