About the Company Pack is the people development platform for companies building the next generation of talent. We help you transform performers into A-Players — not with generic training, but with precision coaching, strategic mentorship, and a system that scales.

We are a team of 30 people with an average age of 27 y.o.. We are looking for someone who wants to become an Operation Specialist in the startup world and experience a very dynamic environment.

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.

PRIMARIES RESPONSIBILITIES

1. Technical Leadership & Architectural Ownership

• Design and own the architecture with a focus on scalability, security, and maintainability.
• Drive technical discussions and turn ambiguity into clear, documented decisions.
• Set and enforce technical standards across the team.
• Translate business needs into pragmatic engineering solutions.

2. Full-stack Engineering

• Build end-to-end features using SvelteKit, TypeScript, and Node.js.
• Ensure clean, modular, and high-performance code.
• Optimize backend performance, database queries, caching, and AWS costs.

3. Team Velocity & Mentorship

• Coach, guide, and elevate 2–5 developers.
• Build predictable engineering processes: reviews, rituals, Observability, automation.
• Create a culture of technical excellence, responsibility, and continuous improvement.

4. Infrastructure & DevOps

• Own and optimize AWS infrastructure (AWS + SST).
• Build and maintain CI/CD pipelines for reliable, zero-downtime releases.
• Ensure the platform is stable, resilient, and ready to scale globally.

5. AI Engineering

• Build AI-powered features and automation within the product.
• Integrate LLMs, ML tools, and advanced APIs.
• Experiment, propose and lead the adoption of new AI technologies.

REQUIREMENTS

Technical Skills (Core Competencies)

• 5+ years as a Full Stack Developer in product-driven environments.
• 1–2 years in a technical leadership role (Tech Lead, Senior IC, Team Lead).
• Strong command of fundamental software engineering principles, including: Architecting scalable, modular, high-performance systems Designing and implementing robust REST APIs Clean code, testing automation, and secure-by-default development Ability to evaluate, adopt, and master new frameworks/tools quickly

Tech Stack (Experience preferred, not mandatory)

These are the tools we currently use — you don’t need to know all of them, but you should be able to ramp up fast.

Frontend (current preferences):

• SvelteKit, TypeScript, TailwindCSS

Backend:

• Node.js, Express, PostgreSQL
• Query builders (Kysely or similar)
• Production-grade REST APIs

Cloud & DevOps:

• AWS (EC2, ECS, S3), Docker, Nix
• GitHub Actions, CI/CD pipelines

Testing & Security:

• Vitest, Playwright
• Familiarity with OWASP guidelines

Additional Technical Requirements

• Experience working with multi-tenant architectures and performance optimization.
• Familiarity with AI/ML tooling and LLM APIs.
• English B2+.

Soft Skills (Leadership & Execution)

• Natural leadership presence; ability to elevate people, standards, and processes.
• Clear, structured communication with product, design, and founders.
• A strong bias for simplicity, speed, and ownership.
• Comfortable operating in ambiguity and making decisive calls.

Nice to Haves

• You’ve built a team, a large system, or a technical foundation from scratch.
• You thrive in fast-paced, high-responsibility environments.
• You act like an owner, not an executor.

We know you may not have all these characteristics but, if you think you are the right person, we would love to meet you.

CONTRACT

• Working hours: full time
• Contract term: Permanent contract
• We have designed a flexible compensation structure for our developers, giving you the choice between two options: Option A – Performance-Based Package Base salary aligned with role and seniority → 55.000€ Bonus up to 50% of your salary based on Company, Team, and Individual performance. There is no cap on bonuses — exceptional performance can lead to higher earnings, linked directly to over-performance. Quarterly evaluations determine the performance multiplier (based on Deliverables, Skills, and Culture). Option B – Fixed-Only Package Base salary 15-20% higher than Option A → 63.000€ No participation in the performance-based bonus system. Annual review: you can switch back to Option A during salary reviews if you wish.Note: The fixed salary in Option B is designed to offer more financial stability for those who prefer predictability, while Option A offers higher upside potential linked to performance.

BENEFITS

• STOCK-OPTION PLAN: we have allocated employees a specific number of shares in the company.
• UNLIMITED MENTORING, COACHING & THERAPY SESSIONS: You will have the opportunity to **follow a mentoring or a coaching path directly on our platform. Moreover, you will also have access to therapy sessions, thanks to our partner **Serenis.
• WELFARE PLATFORM & MEAL VOUCHERS: every month you will receive an amount on the Edenred Application and you will decide how to spend it (depending if you have an Italian or Spanish contract)

If you want to discover more click here

"We are an equal opportunity employer and welcome applications from all qualified individuals, regardless of age, gender, ethnicity, sexual orientation, disability, or any other protected characteristic.”