Senior Front end Developer

Permanent employee, Full-time · Oficina Plaza España, Remoto

About this role

The Jotelulu Product team is looking for a Senior Front end Developer to join our engineering team.
You are going to support our growing engineering team and scale our codebase from thousands to millions of users.
You will join a full-stack development team that creates self-service, Infrastructure as a Service (IaaS), and Software as a Service (SaaS) at a cloud provider scale.
Actually, Jotelulu are scaling the catalog of IaaS, PaaS, and SaaS services and need experienced developers to help us scale our codebase and achieve our goals.
You'll be part of a fun, fast-paced, collaborative, and agile team.

This is a fully remote role based in Spain. While we have offices in Madrid (Plaza España) and welcome everyone to join us, our software engineering team is spread across multiple cities, making us a remote-friendly company.

Main Mission of the Role

Coordinate the implementation of the new front-end for the SaaS platform using a modern tech stack (React, JavaScript/TypeScript, HTML, CSS, etc.) designed to address the company's future challenges.

Lead the technical Frontend area to develop and maintain scalable, accessible, and high-performance SaaS user interfaces, aligning technical efforts with Jotelulu’s business goals.

Key Areas of Responsibility

Code Development & Quality

Develop solutions ensuring the product meets the company’s defined standards for scalability, reliability, availability, usability, performance, and quality.
Promote and design a flexible and scalable architecture to support product growth.
Implement and advocate for design patterns and development best practices.
Apply coding standards, code reviews, and agile methodologies effectively.

Cross-Departmental Collaboration

Collaborate with Product, UX, Infrastructure, and Operations teams to design solutions aligned with business objectives.
Ensure effective communication with both technical and non-technical teams to translate requirements into technical solutions.
Work closely with squads and departments to tackle complex challenges and maintain technological consistency across the platform.

Team Leadership

Guide and mentor the development team in all Frontend-related matters, ensuring high performance and effective collaboration.
Manage technical challenges related to the Frontend

You will

Provide continuous technical mentorship to the development team in the Frontend domain.
Design and implement the company’s new Frontend architecture using Next.js, Node.js, and React.
Design and develop modern, responsive UI components and interfaces using React, JavaScript/TypeScript, HTML, and CSS.
Migrate existing frontend developments to the new architecture by building new components and micro frontends.
Collaborate with the product and design teams to define projects and tasks with a high level of clarity and alignment with business goals.
Implement automated unit and integration testing to ensure code quality.
Supervise and contribute to the adoption of continuous integration and deployment (CI/CD) processes for the Frontend.
Implement Web Performance Optimisation (WPO) strategies to ensure top-tier platform performance.
Maintain and enhance technical and user documentation for developed components and libraries, ensuring consistency in frontend development across all squads.
Resolve complex interface-related technical issues and propose innovative solutions.
Actively participate in technical planning and team roadmap development.
Promote the adoption of accessibility standards, security practices, and frontend development best practices.

What We Are Looking For

Security Requirements

The Product Development team must embed information security principles throughout every stage of the product lifecycle, in alignment with ISO 27001, ENS, and HDS. The team will be responsible for ensuring that all solutions are designed with a 'security by design' approach, mitigating risks from conception through to delivery. They will also work closely with the Security team to perform risk assessments and ensure information protection when adopting innovative technologies.

Technical Skills

Advanced micro frontend development with Next.js, Node.js, and React.
Strong command of JavaScript (ES6+, ES15 2024), Tailwind, HTML5, and CSS3.
Experience with unit testing using Jest and React Testing Library.
Automated testing experience with Playwright.
Development, consumption, and integration of RESTful APIs and OpenAPI specification.
Experience with bundlers like Turbopack and WebPack.
Frontend performance optimisation (WPO).
Version control using GitLab and collaborative workflows.
Basic knowledge of Docker and containerised development environments.
Experience working in agile methodologies (ideally Scrum).

Personal Competencies

Leadership and technical mentorship.
Complex problem-solving and analytical thinking.
Clear and effective communication with technical and non-technical stakeholders.
Attention to detail and quality.
Team collaboration and strong interpersonal skills.
Proactivity and adaptability to change.
Results-oriented mindset with a focus on meeting goals.

Performance Objectives

Coordinate the Frontend team to deliver high-impact features aligned with the company’s strategic priorities.
Scale the platform to support millions of users, ensuring stability, performance, and interface security.
Implement development best practices and rigorous code reviews to maintain high standards of quality.
Enhance performance and accessibility through architectural and operational improvements.
Reduce deployment time and minimise production errors with effective CI/CD processes.
Design and implement robust integrations with APIs and internal services.
Support the professional development of the team through mentorship and ongoing training.

Tools & Technologies

Languages & Frameworks: JavaScript/TypeScript, React, Angular, Next.js, Node.js, PHP (Symfony, Laravel)
API & Testing Tools: RESTful APIs, OpenAPI, Swagger/Postman, Jest, React Testing Library, Playwright
DevOps & Infrastructure: Docker, Kubernetes, GitLab, CI/CD
Project & Team Tools: Jira, Confluence, Slack, Office 365

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About us

JOTELULU is a pioneering European cloud service provider, uniquely focused on serving IT companies.
While cloud services spending in Europe is expected to reach several billions in the next years, small and medium-sized enterprises (SMEs) are still an enormously underserved segment. More than 70% of European SMEs do not use any cloud services whatsoever.Jotelulu, through IT companies, has managed to change the way things are done and has cracked the code in order to reach this SME segment. We have a unique opportunity to play a leading role in enabling the digitalization of European SMEs with a solution for IT partners that covers the entire cloud service lifestyle.Our competitive edge lies in our white-label solution, meticulously crafted for IT companies. This approach not only bridges the gap in the market but also addresses the specific challenges that IT companies face with conventional providers:

Simplicity: We streamline the complexity inherent in existing cloud platforms, making our services easy to sell and manage.
Profitability for our Partners: Our model ensures enhanced profit margins, a stark contrast to the slim returns typically seen in this sector.
Afordability for SME’s: Our services are designed to be cost-effective, making advanced cloud solutions accessible to SMEs without compromising on quality.

Our own public cloud infrastructure is self-managed, with data centers located in Madrid and Paris, ensuring reliability and top-tier performance.Currently, JOTELULU is entering an exhilarating phase of expansion across Europe and Latam, broadening our offerings to IT companies. This growth reflects our core ethos—a ProductEngineering mindset that remains the cornerstone of our approach.

How do we achieve this? By living our J.O.T.E. values every single day:

Joy: People who feel happy and confident are more likely to try new things and are better equipped to face challenges.
Ownership: Taking the initiative to deliver positive results, being accountable for the outcome of your actions.
Trust: Building trust internally, through care and appreciation for our employees, and externally, with our customers, who are the core of our business.
Effectiveness: Combining intelligence, imagination, and knowledge to achieve results.

Join us at JOTELULU on this exciting journey as we redefine cloud services for IT companies and their SME clients.

What we offer:

An opportunity for personal and professional growth, supported by high functioning teams and the exciting challenges that come with joining a company at the start of its growth trajectory.

An inclusive and upbeat work environment: leave your suit behind... we’re a t-shirt and converse kind of place! More importantly, our company culture promotes diversity and inclusion. The personality and opinions of each of our team members are important and valid, and we aim to offer all employees a safe environment where they can be themselves and thrive

An environment free of bureaucracy and corporate constraints; a culture where your opinion is highly valued and appreciated.

Flexibility: a great work-life balance.

Offices in the center of Madrid and flexible working model.

Professional growth: For training courses related to your role.

Flexible compensation: you'll be able to include your monthly expenses in meals and transportation into your payroll.

Company health insurance: we hope you won't need it, but just in case, we provide you access to the best medical network.

Feedback and transparent culture: feedback is the breakfast of champions, and we take it seriously. We have a real-time and honest feedback culture, with monthly formal 1to1 sessions with your manager, a performance evaluation plan (with semestral evaluations) and monthly all-hands meetings to understand all the business information you need!

Ready? Don’t wait any longer and apply for this opportunity!
If you think you don't tick all the boxes, but the project sounds interesting to you, we'd still love to hear from you.

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We are looking forward to hearing from you!

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