Scale Engineer

Software Engineering Intern (Summer 2027)

Software Engineer · Intern · Internship

Foster City, CAUSD 8k – 12k6d ago
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Role

What you'll do.

Join Replit's engineering team for a 12-week paid internship where you'll contribute to real features that impact millions of developers worldwide. Work alongside world-class engineers, designers, and product managers on cutting-edge AI-powered development tools, cloud infrastructure optimization, and developer-centric features. This internship offers hands-on experience building accessible software creation platforms with direct mentorship from industry experts in a fast-paced, innovation-driven environment.

Responsibilities

  • Ship Production Features to Millions: Develop and deploy real features to Replit's platform that directly impact millions of developers worldwide. This involves writing production-quality code, participating in code reviews, and ensuring features meet quality standards before reaching end users.
  • Cross-Functional Collaboration: Work collaboratively with engineers, designers, product managers, and AI researchers to align technical implementation with product vision. Participate in design reviews, technical discussions, and team planning sessions to ensure cohesive feature delivery.
  • Optimize Developer Experiences: Build intuitive interfaces and optimize platform experiences that make coding more accessible to developers of all skill levels. Focus on performance improvements, user experience enhancements, and accessibility features that reduce friction in the development workflow.
  • Contribute to AI Infrastructure: Work on cutting-edge AI tools and agentic systems that power code generation, intelligent assistance, and automated development workflows. Contribute to infrastructure that enables natural language-driven application creation at scale.
  • Cloud Infrastructure Development: Participate in optimizing and scaling Replit's cloud infrastructure to support lightning-fast collaboration and execution environments. Work on backend systems, deployment pipelines, and performance optimization to ensure platform reliability.
  • Participate in Engineering Best Practices: Follow established coding standards, contribute to technical documentation, and participate in knowledge-sharing sessions. Engage in continuous improvement initiatives and help identify opportunities for process optimization and automation.

Qualifications

What we look for.

Technical

  • Programming Language Proficiency

    Strong command of at least one programming language with ability to write production-quality code. Experience with modern languages like Python, JavaScript, TypeScript, Go, or Rust for building scalable applications.

  • Full Stack Development

    Comfortable working across frontend frameworks, backend systems, and databases. Understanding of client-server architecture, REST APIs, and web application development patterns required for contributing across Replit's stack.

  • Cloud and Infrastructure Concepts

    Familiarity with cloud computing fundamentals, containerization, and deployment concepts. Experience with platforms like Docker, Kubernetes, or AWS beneficial for understanding Replit's infrastructure architecture.

  • Problem-Solving and Debugging

    Strong analytical skills with ability to diagnose complex technical issues, read error messages effectively, and apply systematic debugging approaches. Capability to decompose large problems into manageable components.

Education

  • Bachelor's, Master's, or PhD in Computer Science

    Currently pursuing or enrolled in an accredited degree program in Computer Science, Computer Engineering, or closely related technical field with demonstrated coursework in software development and computer systems.

  • Minimum One Semester Remaining

    Must have at least one full semester of academic coursework remaining after internship completion to satisfy academic continuity requirements and maintain student status throughout the internship period.

Experience

  • Full Stack Development Exposure

    Hands-on experience building complete applications across frontend, backend, and database layers. Comfortable working across the technology stack and understanding how different application layers interact.

  • Programming Language Proficiency

    Demonstrated proficiency in at least one modern programming language such as Python, JavaScript, TypeScript, Go, Java, or Rust with ability to write clean, maintainable code that follows industry best practices.

  • Version Control and Collaboration

    Practical experience using Git and collaborative development workflows. Familiarity with pull requests, code reviews, and distributed team development practices essential for working in a professional engineering environment.

Skills

Required

  • Programming Language Mastery

    Proficiency in at least one modern programming language (Python, JavaScript, TypeScript, Go, Java, Rust) with ability to write clean, efficient code following industry standards and best practices.

  • Full Stack Development

    Comfortable implementing features across frontend, backend, and database layers with understanding of how different application components interact and communicate with each other.

  • Version Control (Git)

    Practical experience with Git workflows, including branching strategies, committing, merging, and collaborating through pull requests. Familiarity with tools like GitHub for collaborative development.

  • Problem-Solving Mindset

    Systematic approach to breaking down complex technical challenges, analyzing requirements, and devising effective solutions. Ability to think critically and evaluate multiple approaches before implementation.

  • Self-Directed Learning

    Proactive approach to acquiring new skills, exploring unfamiliar technologies, and understanding new codebases independently. Ability to work autonomously while knowing when to seek guidance and collaboration.

  • Technical Communication

    Ability to explain complex technical concepts clearly to both technical and non-technical stakeholders through documentation, discussions, and code comments. Strong written and verbal communication skills for team collaboration.

Preferred

  • AI and Machine Learning Fundamentals

    Nice to have

    Basic understanding of machine learning concepts, large language models, or AI-driven development tools. Interest in agentic systems and how AI can enhance developer productivity and accessibility.

  • Web Framework Experience

    Nice to have

    Practical experience with modern web frameworks such as React, Vue, Next.js for frontend development or Express, Django, FastAPI for backend development. Familiarity with full stack frameworks like Next.js or Full Stack TypeScript patterns.

  • Database Design and Optimization

    Nice to have

    Experience designing and optimizing database schemas, writing efficient queries, and understanding performance implications. Familiarity with both SQL and NoSQL database systems used in modern applications.

  • Cloud Platform Experience

    Nice to have

    Hands-on experience with cloud platforms such as AWS, Google Cloud, or Azure. Understanding of containerization, deployment pipelines, and infrastructure-as-code concepts valuable for infrastructure optimization projects.

  • Passion for Developer Tools

    Nice to have

    Genuine interest in building tools that improve developer productivity, enhance user experience, and democratize access to software development. Enthusiasm for understanding developer pain points and creating solutions.

  • Open Source Contributions

    Nice to have

    Demonstrated experience contributing to open source projects, maintaining public repositories, or participating in developer communities. Evidence of collaborative development and commitment to code quality and documentation.

Tech stack

Languages

TypeScriptPythonJavaScriptGo

Frameworks

ReactNext.jsNode.js

Databases

PostgreSQLRedis

Tools

Git and GitHubDockerKubernetesCI/CD Pipelines

Other

AI and Large Language ModelsReal-Time Collaboration InfrastructureCloud Infrastructure (AWS/GCP/Azure)

Compensation

Pay and benefits.

Base·USD 7,500 – 12,000

Benefits

  • Competitive Paid Internship Stipend

    Receive competitive compensation for your 12-week internship period, recognizing the value of your contributions and enabling financial flexibility during the summer term.

  • Mentorship from World-Class Engineers

    Work directly with experienced engineers, technical leads, and founders in a collaborative environment designed to accelerate your professional development and technical growth.

  • Real Product Impact

    Ship meaningful features that directly impact millions of developers worldwide, providing tangible portfolio material and professional accomplishment through production code contributions.

  • Cross-Functional Collaboration

    Collaborate with designers, product managers, and AI researchers to understand product development holistically, gaining exposure to multiple facets of modern software development.

  • Cutting-Edge Technology Exposure

    Work with state-of-the-art AI, infrastructure, and developer tool technologies, including agentic systems and large language models driving the next generation of software creation.

  • Learning and Professional Development

    Access to continuous learning opportunities, tech talks, code review feedback, and exposure to industry best practices from experienced professionals in a fast-paced innovation environment.

  • Flexible Work Environment

    Enjoy autonomous work environment with flexibility in how and where you work, enabling work-life balance while maintaining productivity and collaboration with distributed team members.

  • Quarterly Team Gatherings

    Participate in in-person team gatherings to build relationships with colleagues, share knowledge, and strengthen team cohesion across the engineering organization.

  • Wellness Stipend

    Monthly wellness stipend supporting your physical and mental health through gym memberships, meditation apps, therapy, or other wellness activities of your choosing.

  • Potential Full-Time Conversion

    Strong performance in your internship may lead to full-time employment opportunities with Replit, providing a clear path to your first engineering role post-graduation.

Process

Interview steps.

  1. 01

    Application Review

    Initial screening of your resume, cover letter, and portfolio. Replit reviews applications to assess foundational technical skills, communication abilities, and demonstrated passion for developer tools and accessibility in software development.

  2. 02

    Recruiter Phone Screen

    30-45 minute conversation with a recruiter to discuss your background, technical interests, internship goals, and motivation for joining Replit. This is an opportunity to ask questions about the team, role, and company culture.

  3. 03

    Technical Assessment

    Coding assessment or technical challenge evaluating problem-solving abilities, coding proficiency, and your approach to algorithm design. Assessment typically focuses on core programming concepts rather than obscure trick questions, emphasizing practical engineering skills.

  4. 04

    Engineering Interview

    Technical conversation with an engineer from the team you'd potentially join. Discussion covers past projects, technical depth, system design thinking at appropriate level for an intern, and cultural fit with Replit's operating principles and engineering practices.

  5. 05

    Team Fit and Behavioral Interview

    Conversation focusing on collaboration, communication, problem-solving mindset, self-directed learning ability, and alignment with Replit's values. Discussion of how you work on teams, handle feedback, and approach learning new technologies.

  6. 06

    Final Offer Discussion

    Offer presentation including compensation details, start date coordination, onboarding timeline, and discussion of internship logistics including potential housing support or relocation considerations based on your circumstances.

Full posting

Original listing.

Replit is the agentic software creation platform that enables anyone to build applications using natural language. With millions of users worldwide, Replit is democratizing software development by removing traditional barriers to application creation.

About the role:

Join our engineering team for a 12-week paid internship where you'll work alongside world-class engineers, designers, and product managers to build the future of software creation. You'll contribute to real features that impact millions of developers worldwide, from our AI-powered development environment to the infrastructure that makes lightning-fast collaboration possible.

This isn't just about learning—you'll ship meaningful code that helps democratize software creation. Whether you're optimizing our cloud infrastructure, building intuitive developer tools, or enhancing our AI agents, your work will directly empower creators around the globe.

You will:

  • Ship real features to millions of developers using Replit's platform

  • Collaborate cross-functionally with engineers, designers, product managers, and AI researchers

  • Build and optimize developer experiences that make coding accessible to everyone

  • Work on cutting-edge AI tools and infrastructure that power the next generation of software creation

  • Learn from the best in an environment where your ideas are heard and often implemented

Required skills and experience:

  • Currently pursuing a Bachelor's, Master's, or PhD in Computer Science, Computer Engineering, or related technical field

  • Have at least one semester of schooling remaining after the internship completion

  • Proficient in at least one programming language and comfortable with full stack development

  • Passionate about developer tools, AI, or making technology more accessible

  • Thrive in fast-paced environments where you can move quickly and adapt to changing priorities

What we value:

  • Problem-solving mindset: Ability to approach complex operational challenges systematically and devise effective solutions

  • Self-directed and autonomous: Capable of working independently while collaborating effectively with cross-functional teams

  • Strong communication skills: Ability to explain complex technical concepts to both technical and non-technical audiences

  • Continuous learning: Passion for staying current with industry best practices and new technologies

  • Focus on automation: Strong belief in automating repetitive tasks and building self-healing systems

Full-Time Employee Benefits Include:

💰 Competitive Salary & Equity

💹 401(k) Program with a 4% match (US Only)

⚕️ Health, Dental, Vision and Life Insurance

🩼 Short Term and Long Term Disability

🚼 Paid Parental, Medical, Caregiver Leave

🏝 Flexible Time Off (FTO) + Holidays

🚗 Commuter Benefits (In-Office & US Only)

📱 Monthly Wellness Stipend

🧑‍💻 Autonomous Work Environment

🖥 In Office Set-Up Reimbursement (In-Office Only)

🚀 Quarterly Team Gatherings

☕ In Office Amenities (In-Office Only)

Want to learn more about what we are up to?

Interviewing + Culture at Replit

To achieve our mission of making programming more accessible around the world, we need our team to be representative of the world. We welcome your unique perspective and experiences in shaping this product. We encourage people from all kinds of backgrounds to apply, including and especially candidates from underrepresented and non-traditional backgrounds.

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