Design, build, and maintain backend services and REST APIs with NestJS/TypeScript and MySQL; implement React/Tailwind UI components; integrate frontend and backend; support Kafka messaging; collaborate with product/design using Figma; use AI coding tools to accelerate development and work in an agile cross-functional team.
About Wyllo
About the Role
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You have
A plus, but not required
Working at Wyllo
Wyllo is a CX-first, end-to-end risk intelligence platform that helps ecommerce merchants manage fraud, policy abuse, and customer experience across the entire commerce lifecycle. By combining identity signals with behavioral intelligence, Wyllo enables merchants to better understand shopper intent and make smarter decisions across checkout, returns, refunds, and customer support. Wyllo works with leading ecommerce brands and integrates directly into the platforms where merchants manage orders and customer interactions. Learn more at www.wyllo.ai
We’re looking for a Full Stack Developer to design, build, and enhance features across our backend services and frontend applications. You will work in Node.js/NestJS/TypeScript for backend logic and React/Tailwind CSS for user interfaces, ensuring smooth API integrations and delivering high-quality, user-facing functionality.
You will
- Develop and maintain backend services and REST APIs using NestJS, TypeScript, and MySQL.
- Implement frontend components and views in React and Tailwind CSS based on product specifications.
- Integrate APIs seamlessly between backend and frontend.
- Support and enhance Kafka messaging infrastructure.
- Collaborate with product and design teams using Figma assets.
- Ensure code is performant, maintainable, and accessible.
- Use AI tools like Cursor.AI to accelerate development with strong prompting skills.
- 3–5+ years of professional experience working in full stack development.
- Strong knowledge of React, Tailwind CSS, Node.js, NestJS, TypeScript, and MySQL.
- Experience with Kafka or similar messaging systems.
- Familiarity with REST APIs and backend integration workflows
- Proficiency in using AI coding tools such as Cursor.AI as a co-pilot, with strong prompting skills to accelerate development
- Experience working with design tools like Figma to translate mockups into production-ready components
- Strong communication and teamwork skills
- Experience with using Atlassian tools such as JIRA and Confluence
- Comfort working in an agile, cross-functional team environment.
- Degree or Advanced Degree (Ph.D. or Master’s) in Computer Science, AI, Data Science, or related field.
- Experience in e-commerce, fraud, anomaly detection, or financial data modeling.
- Experience with Ruby and Ruby on Rails is a plus
- Experience with Bootstrap is a plus
Working at Wyllo
We’re a high-performing team that is passionate about making commerce a safe, wonderful experience for Brands and Consumers. Our community is driven by values that shape everything we do. We seek passionate and dedicated individuals who align with our core principles; Integrity, Pride, Humility and Impact.
- Integrity: We do the right thing, even when it’s tough, and even if no one sees it. We always consider the customer’s best interest in every decision we make.
- Pride: We know that the work we do is important, and we take great pride in doing it well. We show up every day with the best intentions, ready to deliver superb outcomes for our team, our customers, and ourselves.
- Humility: We leave our egos at the door, approaching problems as a team, with openness and collaboration. We’re willing to be wrong in order to get things right.
- Impact: We are results-oriented, we take ownership, and we hold ourselves accountable to get things done and deliver results.
If you are excited to collaborate in a fast-paced, purpose-driven environment where your contributions truly matter, we’d love to have you join us!
Equal Employment Opportunity
Wyllo LLC provides equal employment opportunities (EEO) to all employees and applicants for employment without regard to race, color, religion, sex, national origin, age, disability or genetics, sexual orientation, political affiliation, military veteran status, domestic violence victim status, or any other protected characteristic under applicable state and local laws governing nondiscrimination in employment in every location in which the company has facilities. This policy applies to all terms and conditions of employment, including recruiting, hiring, placement, promotion, termination, layoff, recall, transfer, leaves of absence, compensation and training.
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