Full Stack Software Engineer Intern [Summer 2026]

About Swif.ai Swif.ai is the governance layer that lets every company unleash AI safely—and we’re poised to own that future. Backed by Y Combinator and top-tier investors, we are rapidly expanding our sales team to accelerate market penetration and growth. Job Description: We are seeking a motivated and tech-savvy Full Stack Software Engineer Intern to join our R&D team. You will be working closely with our engineering and other team members, and help with improving our product and infrastructure. Key Responsibilities:

• Architect & Develop: Build, maintain, and optimize high-performance backend systems using Golang, Scala, or Javascript.
• Leverage AI Tools: Use Windsurf, Cursor, or other AI-powered coding tools to accelerate development and elevate code quality.
• Ensure Reliability: Write clean, testable, and efficient code while implementing best practices for resilience and scalability.
• Collaborate Across Teams: Partner with product managers, data scientists, and frontend engineers to deliver cohesive, end-to-end solutions.
• Debug & Optimize: Investigate complex issues in production environments, identify bottlenecks, and implement improvements.
• Commit to Agility: Be prepared to work 6 days a week in a dynamic environment, ready to adapt and iterate quickly.

Qualifications:

• Pursuing a degree in Computer Science, IT, or a related field.
• Strong problem-solving skills and attention to detail.
• Basic understanding of computer systems, networks, and operating systems.
• Good interpersonal and communication skills.
• Ability to work independently and as part of a team.

This is a part-time, paid internship. We offer flexible hours and a collaborative, learning-friendly environment. If you're eager to learn and ready to start your career, apply today! What’s it like to work at Swif.ai? Swif was launched in 2022 and accelerated by the Y Combinator program. We were building a language learning product and decided to pivot the team to focus on solving the biggest issue we faced as a remote team. We look at Swif as a constant work in progress. We’re here to support each other in our curiosity and creativity – which we pursue thoughtful discussion and knowledge-sharing among a diverse set of peers and colleagues. We want to hear from you and share with you our vision. We will love to connect people passionate about remote work and productivity solutions as much as we do.