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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 Team Product Platform builds and owns the shared foundations the rest of Replit is built on, spanning the full stack so every other team can ship features safely and quickly. Identity & Authorization defines how people, agents, sandboxes, and services prove who they are and what they can do. These systems protect critical product and service interactions across Replit's web product, Agent, enterprise controls, and internal services. Our work is high-leverage and horizontal: when identity and policy are clear, reliable, and easy to adopt, every other team can move faster without rebuilding security controls. We are a small, collaborative team that values curiosity and clear thinking over pedigree, and we work in the open by bringing each other the problem rather than just the request. We care more about how you reason and build than the route you took to get here. About the Role As a Software Engineer , you will design, build, and operate the identity and authorization systems that protect critical interactions on Replit, including Agent acting on behalf of a user or holding their own identity. The work is guided by a few simple questions: Can every protected request prove which workload made it, which principal it represents, and who is acting on that principal's behalf? Can product teams express policy once and trust the same decision across web, mobile, Agent, and internal services? Can enterprise administrators control who can access each workspace, app, connector, and Agent capability without navigating a permission maze as well as having a legible ledger of decisions? Can Agent act for a user across long-running and durable work without receiving broad or long-lived credentials? Are identity and authorization fast, reliable, highly available, and observable enough for the product flows that depend on them? What you'll do Design and operate central authorization interfaces with typed principals, actions, resources, decisions, explainable deny reasons, privilege attenuation, delegations, and obligations Evolve enterprise roles, groups, app access, entitlements, and workspace policy so common cases stay simple and advanced cases remain possible Build and operate Replit's Security Token Service and workload identity using OAuth 2.0 token exchange, JWT/OIDC, SPIFFE/SPIRE, and mTLS Threat-model delegation, confused-deputy risks, and cross-tenant movement, then make secure, fail-closed behavior the default Lead compatible migrations with shadow evaluation, feature gates, telemetry, and rollback plans, and own the SLOs, incidents, and operational health of the systems you ship Partner with Agent, Connectors, Enterprise, Security, and Infrastructure teams to turn product requirements into shared platform primitives Research and develop new innovative approaches to Authx in the Agentic world Areas you might work in Authorization policy : evolve Replit's central policy decision point and migrate fragmented authorization checks to its typed contract. Agent delegation : extend the current delegation foundation so the user is the subject and Agent is the authenticated actor, with continuous validation and dynamic permission envelopes as work runs. Enterprise access control : evolve roles, groups, workspace policy, and app-level grants for both simple collaboration and complex organizations. Agent and service identity and reliability : operate the token and workload-identity systems that protect service-to-service traffic. Required skills and experience Experience shipping and operating security-sensitive backend or distributed systems in production, including reliability, performance, incidents, and observability Depth in authentication, authorization, or identity systems, such as OAuth 2.0/OIDC, JWT, mTLS, Identity Federation, RBAC, ReBAC, PBAC, Zanzibar, Macaroons, Biscuits, Cedar, or policy engines. You do not need prior experience with every item Strong understanding of multi-tenant security, least privilege, delegation, privilege attenuation, auditability, and threat modeling Experience migrating security-sensitive systems without breaking callers. Approaches can include typed contracts, shadow evaluation, and staged enforcement Fluent in at least one production backend stack. Our systems use TypeScript, Go, Rust, Postgres, gRPC/Protobuf, Kubernetes, Envoy, and Restate Able to make and communicate tradeoffs across security, reliability, latency, product experience, delivery speed, and long-term maintainability If you're excited about this role but don't meet every requirement, we still encourage you to apply. 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? Self-driving Company Replit Agent at Scale AI Adoption Build Open-Source Apps Interviewing + Culture at Replit Operating Principles Reasons not to work 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.

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: As a New Grad Software Engineer, you'll join a team of exceptional builders working on products that are reshaping how the world creates software. You'll have the opportunity to work on everything from our AI-powered development platform to the distributed systems that enable real-time collaboration for millions of developers. This is a chance to define your career while defining the future of software development. You'll work on problems that matter, with the autonomy to drive solutions and the support to grow into a technical leader. What you will build: Product features that delight users and make it possible for anybody to create software AI coding agent that understands intent and generates production-ready applications Cloud infrastructure that provides instant, powerful development environments at global scale Platform features that enable one click deployments and scale to millions of users Required skills and experience: Recent graduate (2027) with a degree in Computer Science, Computer Engineering, or related field Strong programming skills in a modern language (JavaScript/TypeScript, Python, Go, Rust) Full-stack capabilities with experience in React, Node.js, and database technologies Growth orientation - eager to learn new technologies and take on increasing responsibility Collaborative spirit - you work well in cross-functional teams and value diverse perspectives 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 Show us something you've built. Replit, GitHub, a live URL, your call. We're looking for builders who pair strong fundamentals with a genuine instinct for working alongside AI agents. Have you used Replit before? If you have, please share something you have built! This is a full-time role that can be held from our Foster City, CA office. The hybrid role has an in-office requirement of Monday, Wednesday, and Friday 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? Self-driving Company Replit Agent at Scale AI Adoption Build Open-Source Apps Interviewing + Culture at Replit Operating Principles Reasons not to work 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.

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 Replit Replit is building the world's most ubiquitous AI coding agent. Replit Agent can be used by anybody to bring their ideas to life. Whether it's an app for yourself, the next great startup idea, or a tool to make you more productive at work, Replit Agent can help build it. Replit is also the leader in secure vibe coding. We protect apps, give users features to manage security risks, and help them vibe code more safely. About the role: Replit is changing how people and companies turn ideas into software. Reaching those customers requires engineering that connects acquisition to the product experience and gives teams trustworthy evidence about what works. This role goes beyond operating conventional marketing technology. You will rethink growth systems for a world where agents can observe performance, diagnose problems, take action, and learn from the result. As the founding engineer for Growth Enablement, you will set the technical direction for this area. You will build agentic systems alongside shared foundations for attribution, audiences, lifecycle engagement, referrals, and promotions. The work spans web, mobile, billing, and data. You will work directly with marketing, sales, and partnerships to find the highest-leverage problems and ship the first solutions. Successful projects will become platforms that help these teams move faster and give Replit a clearer view of what drives durable growth. You will: Design agentic growth systems that monitor performance, diagnose failures, run approved experiments, and improve from the results. Explore AI-native approaches to answer engine optimization, campaign operations, audience discovery, and measurement. Build acquisition measurement across web and mobile, including click-ID capture, identity matching, server-side conversion APIs, and warehouse attribution. Create a shared standard for deep links and context transfer across web, iOS, Android, and app-store handoffs. Build reusable systems for promotions, referrals, campaign landing pages, fraud controls, attribution, and holdout measurement. Build audience pipelines that sync warehouse-defined cohorts and exclusions to each delivery channel. Work directly with marketing, sales, and partnerships to turn business needs into technical systems. Required skills and experience: 4+ years of professional software engineering experience, with strong backend expertise in TypeScript/Node, Python, Go, or a similar language. Strong SQL skills and experience working with a data warehouse and event instrumentation. Hands-on experience with attribution, marketing technology, deep linking, payment webhooks, or high-scale event pipelines. A record of working with non-engineering partners to turn ambiguous business needs into shipped systems. Preferred Qualifications Built growth or martech infrastructure at a consumer or PLG company, such as referral systems, promotion platforms, lifecycle tooling, or CDPs. Built agents that act on business data with clear evaluations, permissions, and human controls. Experience with experimentation platforms such as Statsig and lifecycle tools such as Iterable. Familiarity with privacy and consent handling in marketing data pipelines. Bonus Points : Experience shipping mobile attribution with OneLink, Universal Links, App Links, or SKAN. Experience carrying attribution through payment systems such as Stripe or Razorpay. Regular use of AI agents to plan, implement, test, or review your work. What we value: Extreme ownership: identify important work, carry it through launch, and resolve blockers quickly. Data-driven decisions: define hypotheses and success criteria before launch, then change direction when the evidence calls for it. No borders: solve the highest-impact problem, whether it requires a PRD, a warehouse query, code, or campaign setup. Speed through reversibility: ship the smallest step that produces useful signal, and slow down for decisions that are hard to reverse. Strong communication: make technical constraints and business requirements clear to engineers and go-to-market partners. This is a full-time role that can be held from our Foster City, CA office. The hybrid role has an in-office requirement of Monday, Wednesday, and Friday. 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? Self-driving Company Replit Agent at Scale AI Adoption Build Open-Source Apps Interviewing + Culture at Replit Operating Principles Reasons not to work 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.