Title: Senior Full-Stack Engineer (NextJS) Job Type: Full-time Independent Contractor Compensation: $20/hr - $35/hr Fluent in Business English | Resume must be in English The Company: Orchid Software Solutions is hiring experienced independent contractors to join our fully remote development team. We build tailored software that improves efficiency, transparency, and outcomes in the assisted reproduction technology industry. The Role: As a Lead Engineer, you will be the technical and delivery anchor for your team. You will remain deeply hands-on in the codebase while serving as the primary decision-maker for architecture and feature delivery. This is a role for a "player-coach" who enjoys mentoring developers and partnering with Product and Design to turn vision into production-ready reality. You will help us build reliable and elegant solutions, whether it is a new API, a dynamic front-end view, or an AI-based assistant feature that integrates with our internal data. Responsibilities - Lead development of a production Next.js application - Own front-end architecture and technical standards - Mentor and guide engineers through reviews and pairing - Partner with Product and Design on scope and delivery - Contribute hands-on code and architectural decisions What We’re Looking For - 7+ years experience building production web apps - Strong expertise in Next.js and TypeScript - Prior experience leading or mentoring engineers - Strong communication and ownership mindset - 6+ hours overlap with US Eastern Time Nice to Have - Backend experience (Python or Node) - AI/LLM feature experience - AWS or CI/CD familiarity Why Join Us - Real ownership and leadership - Production AI features - Fully remote and flexible Essential Requirements - Fluency in business English (spoken and written) is required (C1) - Resume must be in English; applications in other languages will not be reviewed - Must have your own computer and a stable internet connection. - Must be able to pass a background check to qualify for this contractor role

Full-Stack Software Engineer Are you passionate about building innovative web applications and using AI to address real-world learning challenges? Do you want to help shape the future of education? PrairieLearn is an early-stage EdTech startup. We are hiring talented Full-Stack Software Engineers. Location: Fully remote (anywhere in the US) Position Type: Full-time Visa Sponsorship: Unfortunately, we cannot sponsor visas at this time. About Us PrairieLearn is an open-source assessment platform, originally developed at the University of Illinois and now used at top universities across the US, including Berkeley, Princeton, Michigan, and UIUC. We empower mastery-based learning and large-scale assessment with an emphasis on reliability and innovation. We are like a "power-user" version of Gradescope/Canvas/Moodle. We’re also developing AI tooling in the product, including LLM agents to help instructors create content, and vision-language models to help grade student work. This is practical, user-facing AI work with real-world impact — not a research sandbox. About the Role We are a small, profitable, open-source, bootstrapped company growing quickly. Our users love us and we have very high retention and rapid spread through word of mouth. As an early-stage hire, you’ll work across the stack and enjoy meaningful ownership from day one. You’ll help deliver practical, user-facing features with clear guardrails and authentic educational impact. Responsibilities - Build and maintain systems across the stack: Node.js/TypeScript backend, Postgres, and React. We use tRPC, TanStack, and AWS. - Design features end-to-end, from conception to rollout, working in a small team to architect and iterate on these features - Collaborate directly with educators and TAs to translate academic needs into high-quality features You Might Be a Fit If You… - Have experience with full-stack web development - Enjoy engaging directly with users—especially instructors and TAs - Love owning projects from initial idea through to production - Love using the cutting edge of AI development tools (Claude, Codex) - Even if you don’t meet every requirement: If you’re a quick learner and passionate about education and engineering, we encourage you to apply! Our Tech Stack - Node.js / TypeScript backend - Postgres, Redis, AWS, Docker - React / tRPC / TanStack - Open source: PrairieLearn on GitHub Why Join PrairieLearn? - Bootstrapped & Profitable: We’re growing quickly and sustainably - Open Source: Collaborate with a global community of developers and educators - Stock Options: As an early hire, you’ll receive stock options with your offer - Remote Culture: Work from anywhere in the US with a flexible schedule - Unlimited PTO & Flexible Hours: Take time when you need it and work when you perform best - Career Growth: Early-stage team members have outsized opportunities for impact and learning Details Location: Remote (US only) Salary: $100k-$140k depending on experience Benefits: Stock options (0.5% - 1.5%), unlimited PTO, flexible hours Type: Full-time Visa sponsorship: Not available PrairieLearn is an equal opportunity employer. We celebrate diversity and are committed to creating an inclusive environment for all employees. Thank you for applying to PrairieLearn!

• Develop and maintain scalable features for our SaaS web platform using Typescript • Develop delightful interactive front-end interfaces using React • Implement back-end RESTful APIs using Node.js and NestJS and integrate these with the user interface • Test, troubleshoot, debug and optimize production issues across diverse infrastructure, including databases, queues, caches, distributed microservices, and client-side data layers • Write clean, maintainable, and well-tested code • Collaborate with product managers, designers, and other developers to understand financial data and build software that provides correct results • Participate in code reviews, providing constructive feedback to improve performance, security and code quality • Identify and help prioritize technical debt to maintain a high team velocity

• Build end-to-end full-stack features (Angular/TypeScript, CSS, Node.js, Python, Ruby on Rails, PostgreSQL) with a strong front-end focus, delivering user-centric experiences. • Collaborate with the UX team on design systems and partner cross-functionally with Product, Engineering, and Applied Science. • Own the full software lifecycle—design, build, test, and operate—while maintaining high code quality through unit, functional, and end-to-end tests. • Identify and implement AI-driven solutions that streamline provider workflows and reduce administrative burden. Mentor junior engineers via code reviews and pair programming, and champion internal standards for style, maintainability, and best practices. • Ship features consistently with minimal guidance, troubleshoot issues through data and code analysis, and evaluate emerging tools and technologies.