Senior AI Full Stack Developer (Full Remote) 1014961622

Job description

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We are building an innovative platform that leverages a suite of specialized AI agents to automate complex tasks.

As a Mid-Level Full-Stack Developer, you will be instrumental in building and scaling the Project's platform.

You will work across our entire technology stack to deliver a seamless and powerful user experience.

You will be joining a project with a clear vision and a modern tech stack.

Develop and maintain features on both our React frontend and Node.js (Express) backend
Build intuitive user interfaces using TypeScript, Vite, and our Shadcn UI component library, enabling users to upload media, manage their analyses, and interact with our AI agents
Design, implement, and maintain RESTful APIs with Express to manage user authentication, data processing, and orchestrate analysis workflows
Integrate our platform with various external services and APIs, and handle incoming webhooks for processing asynchronous tasks
Collaborate on the integration with our n8n-based workflow automation engine, helping to connect our backend with the AI agents that power our analyses
Collaborate closely with product managers and AI specialists to translate complex requirements into robust, scalable features
Contribute to database schema design and write migrations for our PostgreSQL database
Collaborate with the team on application deployment and help maintain our cloud infrastructure on Google Cloud Platform

Requirements

What We're Looking For

We are seeking a proactive and skilled developer who is passionate about building modern, data-driven applications.

Experience: 2-5 years of professional experience in a full-stack development role
TypeScript Proficiency: You are highly proficient in TypeScript and its application in both frontend (React) and backend (Node.js) environments
Frontend Expertise: Strong experience with React and modern state management, including Hooks and the Context API
Backend Expertise: Solid experience building and consuming REST APIs with Node.js and Express
Database Skills: Experience with relational databases (like PostgreSQL) and working with an ORM or query builder
Problem-Solving Mindset: You are a collaborative problem-solver, eager to take on new challenges and contribute to a fast-paced development cycle
Passion for AI: A genuine passion and awareness for artificial intelligence and a strong desire to build products that leverage its capabilities to solve real-world problems
Creativity and Proactivity: You have a passion for building great products, are eager to propose new features, and enjoy finding creative solutions to improve the user experience

Bonus Points (Nice to Have):

AI Project Experience: Previous experience working on projects involving AI, machine learning, or interacting with large language models (LLMs)
Familiarity with UI component libraries like Shadcn UI
Knowledge of cloud platforms like Google Cloud Platform (GCP)

Why You'll Love Working With Us

High-Impact Role: Be a key player in a small, agile team building a greenfield project with the potential to transform an industry
Modern Technology: Work with a cutting-edge, carefully selected tech stack with a focus on best practices
Growth & Learning: Gain deep experience in AI-driven applications, cloud-native architecture, and real-time systems
Stability & Vision: Enjoy the energy of a startup environment backed by the resources and stability of a large, successful company
Collaborative Culture: We value open communication, teamwork, and a shared passion for building exceptional products

If you are ready to take on a challenging and rewarding role at the intersection of AI and product strategy, we encourage you to apply.

Benefits

What We Offer:

Competitive salary and stock options
Remote-friendly environment with flexible working hours
Access to top-tier ad budgets, tools, and learning resources
A high-impact role at the heart of marketing, product, and engineering

Why should you join us?

Growth and career development

At Leadtech, we prioritize your growth.

Enjoy a flexible career path with personalized internal training and an annual budget for external learning opportunities

Work-Life balance

Benefit from a flexible schedule with flextime (7 - 9:30 a.m. start, 3:30 - 6 p.m. end) and the option of working full remote or from our Barcelona office.

Enjoy free Friday afternoons with a 7-hour workday, plus a 35-hour workweek in July and August so you can savor summer!

Comprehensive benefits

Competitive salary, full-time permanent contract, and top-tier private health insurance (including dental and psychological services)
25 days of vacation plus your birthday off, with flexible vacation options—no blackout days!

Unique Perks

If you wish to come, in our office in Barcelona you'll find it coplete with free coffee, fresh fruit, snacks, a game room, and a rooftop terrace with stunning Mediterranean views
Additional benefits include ticket restaurant and nursery vouchers, paid directly from your gross salary

Join us in an environment where you're free to innovate, learn, and grow alongside passionate professionals.

At Leadtech, you'll tackle exciting challenges and be part of a vibrant team dedicated to delivering exceptional user experiences

Sounds good?

Apply now! We're looking forward to getting to know you.

Equal Employment Opportunity Employer:

Leadtech is an Equal Employment Opportunity (EEO) Employer, which means we encourage applications from people with different backgrounds, interests, and personal circumstances.

Our team welcomes applicants regardless of their race, gender, age, religion, nationality, sexual orientation, and/or disabilities.

All we need is your high energy, skills, and willingness to be a part of a great project!

Location

You'll have the flexibility to choose whether you'd like to come to the office every day, from time to time, or work fully remote.

We want you to find the best combination for you.

If you prefer to be surrounded with amazing people, our exceptional office is in Barcelona's Blue Building, located right on the city's seafront.

Besides our stunning views, you'll enjoy our office perks such as free fruit, snacks, and coffee and you'll also be able to take part in our Mario Kart and table tennis competitions.

The personal data you provide will be processed in order to manage your candidacy for the corporate selection processes that fit your profile.

If you wish, you can exercise your rights of access, rectification or cancellation by writing to our address (Avenida Litoral, 12-14, 5ta planta.

Barcelona.

08005) or to the email address , attaching to your request a document that can validate your identity.
Seniority level Seniority level Mid-Senior level
Employment type Employment type Contract
Job function Job function Other
Industries IT Services and IT Consulting
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