Senior Software Engineer, Backend (Berlin)

<div class="content-intro"><p>Cresta unlocks the true potential of the customer experience, turning every conversation into a competitive advantage. Cresta’s unified AI platform combines conversational AI agents, real-time human agent augmentation, and comprehensive conversation intelligence to drive revenue and efficiency gains across every channel. The world’s leading companies, including United Airlines, Cox Communications, and Marriott, use Cresta to power world-class customer experiences every day. </p> <p>Born from the Stanford AI Lab, Cresta has raised more than $270 million from the world’s leading investors, including a16z, Greylock, and Sequoia. Cresta’s leadership includes some of the leading minds in AI today. Our CEO, <a href="https://www.linkedin.com/in/pingwu/">Ping Wu</a>, founded and led Google's Contact Center AI and Vertex AI platforms before joining Cresta to build the future of AI-driven customer experiences.</p> <p>Over the next few years, AI is going to redefine how people all over the world interact with businesses every day. Come build that future at Cresta.</p></div><h4>About the role:</h4> <p>As a Senior full-stack engineer, with a backend focus, you will be at the forefront of shaping the future of customer engagement! As we work towards our vision, you'll be instrumental in delivering timely, actionable insights that drive business growth from day one. We're building a state-of-the-art Customer Data Platform, visualizing relevant insights for businesses post-onboarding and guiding customer engagement across all touch-points. Be part of the team that's redefining the way businesses connect with their customers!</p> <p><strong>Responsibilities</strong>:</p> <ul> <li>Design, implement, and maintain backend services and APIs to support applications.</li> <li>Build and optimize data storage solutions using <strong>Postgres</strong>, <strong>ClickHouse</strong> and <strong>Elasticsearch</strong> to ensure high performance and scalability.</li> <li>Collaborate with cross-functional teams, including frontend engineers, data scientists, and machine learning engineers, to deliver end-to-end solutions.</li> <li>Monitor and troubleshoot performance issues in distributed systems and databases.</li> <li>Write clean, maintainable, and efficient code following best practices for backend development.</li> <li>Participate in code reviews, testing, and continuous integration efforts.</li> <li>Ensure security, scalability, and reliability of backend services.</li> <li>Analyze and improve system architecture, focusing on performance bottlenecks, scaling, and security.</li> </ul> <h4><strong>Qualifications We Value:</strong></h4> <ul> <li>Proven experience as a <strong>Backend Engineer</strong> with a focus on database design and system architecture.</li> <li>Strong expertise in <strong>ClickHouse</strong> or similar columnar databases for managing large-scale, real-time analytical queries.</li> <li>Hands-on experience with <strong>Elasticsearch</strong> for indexing and searching large datasets.</li> <li>Proficient in backend programming languages such as <strong>Python</strong>, <strong>Go</strong>.</li> <li>Experience with RESTful API design and development.</li> <li>Solid understanding of distributed systems, microservices architecture, and cloud infrastructure.</li> <li>Experience with performance tuning, data modeling, and query optimization.</li> <li>Strong problem-solving skills and attention to detail.</li> <li>Excellent communication and teamwork abilities.</li> </ul> <p><strong>Perks & Benefits:</strong></p> <ul> <li>Paid parental leave to support you and your family</li> <li>Monthly Health & Wellness allowance</li> <li>Work from home office stipend to help you succeed in a remote environment</li> <li>Lunch reimbursement for in-office employees </li> <li>PTO: 28 days in Germany</li> </ul> <p>Compensation for this position includes a base salary, equity, and a variety of benefits. Actual base salaries will be based on candidate-specific factors, including experience, skillset, and location, and local minimum pay requirements as applicable. Your recruiter can provide further details.</p><div class="content-conclusion"><p><span style="font-size: 10pt;"><strong><em>Our use of AI in recruiting:</em></strong><em> We may use AI tools in our recruiting process, which require human review and oversight. If you have questions about our use of AI or wish to opt out, please contact </em><em><span><a ----- ----- (if you are opting out, please use the subject ‘Opt-Out’ in your email).<br></em></span><br><span style="font-size: 10pt;"><strong><em>Recording & AI transcription:</em></strong><em> We do not authorize candidates to record or use AI transcription of any interview by phone, notetaker app, AI glasses, or other device. Candidates may request an exception or accommodation for review during the interview process as needed.<br></em></span><br><span style="font-size: 10pt;"><strong><em>Recruiting impersonation scams:</em></strong><em> We have noticed a rise in recruiting impersonations across the industry, where scammers attempt to access candidates' personal and financial information through fake interviews and offers. All Cresta recruiting email communications will always come from the ----- domain. Any outreach claiming to be from Cresta via other sources should be ignored.</em></span></p></div>

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