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Welcome to your journey
with Pack!
This job offer is designed to help you determine whether you’re the right fit for us, both professionally and culturally.
You can apply for this position here:
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About us
PACK
Pack is the people development platform to optimize talents’ performance and engagement.
We help companies map skills, identify strategic gaps and build personalized development plans faster and smoother than traditional HR solutions.
We combine:
- An international network of elite mentors and coahes
- A platform that turns growth into a process, not a guess
- A proprietary methodology rooted in behavioral science and execution

OUR VALUES:
- Performance-Focused
- Continuous Development
- Straightforwardness
- Founder Mode
- Fast Underdogs
MAMBA MENTALITY:
"Hard work outweighs talent.
Mamba mentality is about 4 a.m. workouts, doing more than the next guy, and then trusting in the work you’ve put in when it’s time to perform. Without studying, preparation, and practice, you’re leaving the outcome to fate. I don’t do fate."
Kobe Bryant
WHY WE NEED YOUR HELP
We are looking for a mid-level Full Stack Developer to contribute to the development of scalable web applications, enhance system performance, and ensure a seamless user experience. This role bridges technical architecture, backend system performance, and user-centric feature development, making it ideal for a developer with a balanced technical and product focus.
About the role
Primary Responsibilities
- Technical Architecture & Development
- Design and implement scalable, efficient features with a focus on maintainable system architecture.
- Lead technical discussions and make strategic architectural decisions for new and existing features.
- Develop full-stack solutions using SvelteKit, TypeScript, and Node.js, ensuring clean, modular, and optimized code.
- Balance user experience and technical performance to deliver high-quality solutions.
- System Maintenance & Debugging
- Diagnose and resolve technical issues, ensuring system stability and minimal downtime.
- Implement robust logging, error-handling, and monitoring solutions to proactively identify and address system issues.
- Regularly refactor and optimize code for performance and scalability, particularly for PostgreSQL databases and AWS infrastructure.
- Infrastructure & Deployment
- Manage and optimize AWS cloud infrastructure using SST, ensuring scalability and reliability for growing user demands.
- Develop and maintain CI/CD pipelines for automated deployment and testing.
- Optimize deployment processes to ensure smooth feature rollouts with minimal disruption to users.
- AI-Driven Solutions
- Design and develop AI-powered tools and features to automate workflows and improve user experience.
- Experiment with new technologies to integrate AI solutions that scale manual processes and enhance product capabilities.
Secondary Responsibilities
- Client-Facing Technical Support
- Provide detailed technical insights and answers for client queries and requirements.
- Collaborate with clients and stakeholders to resolve technical issues.
- Infrastructure & System Optimizations
- Continuously monitor system and database performance, identifying and resolving bottlenecks.
- Stay up-to-date with the latest tools and technologies, proposing innovations to improve the platform.
- Team Collaboration
- Work closely with cross-functional teams, including product managers and designers, to align development with business goals.
- Foster a collaborative team environment, encouraging knowledge sharing and innovation.
- Code Quality & Standards
- Lead code reviews with a focus on identifying edge cases, improving security, and enhancing performance.
- Establish and enforce coding standards, including best practices for error handling, input validation, and security.
- Mentor junior developers, fostering an environment of continuous learning and collaboration.
- Ensure high test coverage using tools like Vitest and Playwright, including testing for edge cases and exceptional scenarios.
- Security & Compliance
- Implement secure coding practices in line with OWASP guidelines to safeguard the platform.
- Regularly assess and address security vulnerabilities, ensuring the application remains resilient to threats.
- Respond quickly and effectively to any security incidents, minimizing potential risks.
Requirements
Technical Skills:
- English level: B2, we are an international team and all the meeting and communication are in English
- Frontend: SvelteKit, TypeScript, JavaScript (ES6+), TailwindCSS, Component-based architecture.
- Backend: Node.js, Express.js, PostgreSQL (Kysely or similar), RESTful API development.
- Cloud & DevOps: AWS (EC2, ECS, S3), Docker, Nix, GitHub Actions.
- Testing & Security: Vitest, Playwirght, OWASP Secure Coding practices, CI/CD pipelines.
- API Development: RESTful APIs, WebSockets.
- Infrastructure & Deployment: Experience with multi-tenant architectures and AWS performance tuning.
- Performance Optimization: Expertise in database query optimization, caching strategies, and multi-tenant architectures.
- AI Integration: Experience with AI/ML tools, frameworks and familiarity with the current LLM apis is a plus.
Nice to Haves:
- You like putting yourself in the game
- You like learning by doing and making mistakes
- You like working in a dynamic and flexible environment
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