Full Stack Software Engineer - CET Time Zone Preferred

Leadership Circle is reimagining how leadership grows through personalized, continuous experiences. They are seeking a Full Stack Software Engineer to support Project Center and LeadHub, working across backend services, APIs, and frontend user experiences while embracing AI-assisted development tools.

Responsibilities:

• Develop and maintain full stack features across our current platform including Ruby on Rails backend services and Next.js and React frontend applications
• Support and troubleshoot production issues across Project Center and LeadHub including participation in on-call rotations
• Collaborate with teammates to ensure system stability, performance, and reliability across both frontend and backend systems
• Contribute to platform transition efforts by migrating and re-imagining features across the full stack in the new architecture, improving service design, and ensuring data integrity
• Build new full stack features on the next-generation platform using Next.js for the frontend, NestJS for the API layer, and Aurora PostgreSQL for the database
• Build and consume RESTful APIs and support integrations with internal and external systems
• Work with PostgreSQL databases including writing queries, optimizing performance, and supporting schema evolution
• Collaborate with AWS services such as S3, Lambda and SQS for storage and asynchronous processing
• Implement and maintain authentication flows using Auth0 and OAuth standards
• Write automated tests such as RSpec and Jest and maintain code quality through thoughtful code reviews
• Actively use AI-assisted development tools such as Claude Code as a core part of daily development including code generation, refactoring, debugging, and system comprehension
• Continuously improve how AI tools are used within the team to increase development speed, reduce friction, and improve overall engineering effectiveness
• Collaborate closely with Product, UX, and fellow engineers by communicating proactively, sharing context, and contributing to team discussions

Requirements:

• 2 to 5 years of software engineering experience with full stack development responsibilities
• Experience with Ruby on Rails preferably Rails 6 or higher
• Proficiency in JavaScript or TypeScript with React or Next.js
• Experience building and maintaining both frontend and backend systems
• Experience with PostgreSQL or similar relational databases
• Familiarity with RESTful API design and implementation
• Comfort working across both existing systems and newer architectures
• Ability to balance short-term maintenance needs with long-term platform evolution
• Experience with Git workflows and collaborative development practices
• Strong communication skills and a team-first mindset with a willingness to ask questions when stuck, share context proactively, and believe the best solutions come from collaboration
• Comfort giving and receiving feedback in code reviews and team discussions
• Demonstrated experience using AI tools such as Claude Code, GitHub Copilot, or ChatGPT as a regular part of the development workflow
• Strong ability to evaluate, validate, and improve AI-generated code to ensure production-quality outcomes
• Mindset that embraces AI as a force multiplier for engineering productivity and continuous learning
• Experience with NestJS or similar Node.js backend frameworks
• Experience participating in system migrations or platform transitions
• Familiarity with AWS services such as S3, SQS, and RDS or Aurora as well as Auth0, OAuth, Docker, or background job systems
• Experience helping teams adopt AI-assisted development practices