companySingleStore logo

Software Engineer Intern, Engine - Summer 2026

SingleStoreLisbon, Portugal
On-site Internship

Clicking Apply Now takes you to AutoApply where you can tailor your resume and apply.


Unlock Your Potential

Generate Job-Optimized Resume

One Click And Our AI Optimizes Your Resume to Match The Job Description.

Is Your Resume Optimized For This Role?

Find Out If You're Highlighting The Right Skills And Fix What's Missing

Experience Level

Entry Level

Qualifications

QualificationsStudents currently enrolled in a B. S. Degree program in Computer Science, Computer Engineering, Electrical Engineering, or a related field are encouraged to apply. A strong foundation in computer science principles, coupled with proficiency in programming languages such as C++ or C, is essential. A demonstrated passion for building reliable software and a solid understanding of algorithms and data structures will set you apart as a candidate.

About the job

SingleStore is looking for a Software Engineer Intern to join the team in Lisbon, Portugal for Summer 2026. This paid, 12-week internship offers hands-on experience with our Engine group, working alongside engineers who care about mentorship and professional growth.

What to Expect

Interns join one or more engineering teams and contribute to projects that ship to production. The work covers the full product life cycle: from design and coding to testing and deployment. Along the way, expect support from experienced engineers, plus exposure to other business areas like product, marketing, and sales.

SingleStore values collaboration and celebrates team wins, whether over a meal in Lisbon or on outings beyond the city.

Key Responsibilities

  • Work in small, collaborative teams to develop and improve SingleStore’s database engine
  • Explore technologies such as LLM and vector indexing
  • Enhance the fault tolerance of SingleStore clusters
  • Optimize SQL query performance using techniques like SIMD and LLVM code generation
  • Develop search and costing modules for the query optimizer
  • Write and test software, gaining insight into both the product and the business

Required Qualifications

  • Currently enrolled in a Bachelor’s program in Computer Science, Computer Engineering, Electrical Engineering, or a related field
  • Strong foundation in computer science fundamentals
  • Proficiency in C++ or C programming
  • Interest in building reliable software
  • Solid understanding of algorithms and data structures

Preferred Experience

  • Previous internship in software development

About SingleStore

SingleStore is at the forefront of real-time data technology, empowering businesses to operate with speed and efficiency. Our team is dedicated to innovation, collaboration, and professional growth, ensuring that our engineers are not only technical experts but also business partners who contribute to all areas of the organization.

Similar jobs

Tailoring 0 resumes

We'll move completed jobs to Ready to Apply automatically.