Junior Software Engineer (or Internship)

Cresta is on a mission to turn every customer conversation into a competitive advantage by unlocking the true potential of the contact center. Our platform combines the best of AI and human intelligence to help contact centers discover customer insights and behavioral best practices, automate conversations and inefficient processes, and empower every team member to work smarter and faster. Born from the prestigious Stanford AI lab, Cresta's co-founder is Sebastian Thrun, the genius behind Google X, Waymo, Udacity, and more. Our leadership also includes CEO, Ping Wu, the co-founder of Google Contact Center AI and Vertex AI platform, and co-founder, Tim Shi, an early member of Open AI.

We’ve assembled a world-class team of AI and ML experts, go-to-market leaders, and top-tier investors including Andreessen Horowitz, Greylock Partners, Sequoia, and former AT&T CEO John Donovan. Our valued customers include brands like Intuit, Cox Communications, Hilton, and Carmax and we’ve been recognized by Forbes and Bain Consulting as one of the top private AI companies in the world.

Cresta is excited to expand our operations to Berlin and continue to build a tech hub in the region. Join us on this thrilling journey to revolutionize the workforce with AI. The future of work is here, and it's at Cresta. 

About the Role - Junior Software Engineer (or Internship)

We’re looking for a Junior Software Engineer or Intern who’s excited to learn, curious about how real systems work, and comfortable jumping across the stack with guidance from experienced engineers.

Location requirement: Candidates must be based in Berlin.

What You’ll Do

• Build and improve backend services that power real-time AI features and search
• Help design and implement APIs for internal and external integrations
• Contribute across the stack when needed (backend, frontend, infrastructure)
• Work closely with product managers, ML engineers, and other software engineers
• Take tasks from implementation through deployment, with mentorship and code reviews
  Participate in technical discussions and learn best practices through hands-on work

What We’re Looking For

• Bachelor’s degree in Computer Science or a related field (or currently pursuing one)
• Strong problem-solving skills and a solid foundation in computer science
• Familiarity with at least one backend language (Python, Go, Node.js, or similar)
• Basic experience working with APIs (REST, gRPC, or equivalent)
• Willingness to learn, ask questions, and collaborate with others
• Clear communication skills and a team-oriented mindset

Nice to Have

• 0–2 years of experience in software engineering (internships count)
• Exposure to databases like PostgreSQL, ClickHouse, Elasticsearch, or similar
• Basic understanding of system design, distributed systems, or cloud platforms (AWS, GCP, Azure)
• Some familiarity with frontend development (React or similar frameworks)
• Exposure to AI assisted development and AI workflows

Hiring Process (Please Read Carefully)

• All applicants will automatically receive an algorithmic coding challenge.
• We will only reach out to candidates who qualify based on their coding challenge results.
• Qualified candidates will then proceed to a series of technical interviews, followed by an HR interview.

Benefits

• Opportunity to transition to a full-time role after the internship
• Equity in the company upon full-time conversion