Full Stack Product Engineer - Next.Js - Ai Native - $8,000 - $10,000 A Month - Remote

Propel
Madrid, Spain
11 days ago
Apply on www.buscojobs.com.es
Prepare application

Role details

Contract type
Temporary contract
Employment type
Full-time (> 32 hours)
Experience required
5 years minimum
Compensation
€8,000.0 - €10,000.0
Working hours
Regular working hours

Tech stack

ASP.NET .NET Framework Application Programming Interfaces (APIs) Artificial Intelligence Automation of Tests Microsoft Azure Mobile Application Development Databases Relational Databases Software Debugging PostgreSQL Microsoft SQL Server
+12 more
Next.js Systems Integration TypeScript Tailwind ReactJS Retrieval-Augmented Generation Large Language Models Prompt Engineering Backend Playwright Front End Software Development Restful APIs

Job description

AI-Native Senior Full Stack Product Engineer - Next.Js + TypeScript¿Es este el siguiente paso en su carrera?Descubra si es el candidato adecuado leyendo la descripción completa a continuación.Remote (UAE Timezone overlap required)ASAP StartOur client is looking for a Senior Full Stack Product Engineer who can own delivery end-to-end, from frontend to backend and operate effectively in an AI-native development environment.Next.Js is a core requirement for this role.This is not a traditional developer role!Our client builds products and systems for governments and large institutions, where speed, ownership, and engineering judgement matter.With 5+ years of production experience required, they need engineers who are already operating at a senior level and can take a feature from idea through to deployment with genuine autonomy.The RoleOur client is a product-led advisory firm working with governments and leading enterprises on high-impact digital transformation.They are hiring a Senior Full Stack Product Engineer working primarily in Next.Js + TypeScript with a Next.Js back end built on relational databases such as PostgreSQL and SQL Server, building production-grade applications for governments and large institutions.Ownership is real and starts from day one - engineers are expected to take features from architecture through to deployment independently.Hands-on experience integrating Large Language Models (LLMs) into production systems is highly valued.The client works with LLM APIs and expects engineers to understand prompt engineering, context management, retrieval-augmented generation patterns, and the practical trade-offs involved in building reliable, maintainable AI-powered features rather than fragile prototypes.What You Will Bring- Strong, hands-on Next.Js and React experience (mandatory) with proficiency in TypeScript and modern frontend architecture- Proven ability to own features end-to-end (UI ? API ? database) with strong debugging and problem-solving skills across the full stack- Hands-on experience integrating AI and LLM APIs into real products, with experience building and consuming clean, scalable REST APIs across the full stack- Solid understanding of relational databases such as PostgreSQL and SQL Server, with a strong grasp of performance, scalability, and architecture trade-offs- Comfortable using AI tools in your daily development workflow not just experimenting, but genuinely embedded into how you write, review, and ship code every day- Experience working in remote, autonomous environments with a high degree of ownership and minimal oversight- Able to take ambiguous requirements and turn them into working, production-grade features without heavy oversight- Nice to have: experience with .NET / ASP.NET Core, Azure or cloud platforms, Playwright or automated testing, TailwindCSS, or integrating LLMs into production applications- Maintains engineering rigor even in a fast-moving, AI-driven environment and you understand what the code is doing, not just what the AI generatedA Note on AI IntegrationOur client’s workflows are evolving rapidly with AI, from development and QA through to delivery.They are not looking for engineers who are curious about AI and plan to explore it.They are looking for engineers who have already made it central to how they work and can demonstrate that clearly in interview.The CompanyOur client is a product-led digital transformation business working across a range of exciting sectors.The team is growing at pace and this is the kind of environment where strong engineers progress quickly, take on meaningful responsibility early, and have a direct impact on the products they build.The Money & ContractThis will be an initial 3 month contract with the view to extend long termRate: $8,000 - $10,000 / monthNext StepsIf you are a senior full stack engineer with strong Next.Js experience who has fully integrated AI into your development workflow and can own features end-to-end from idea to deployment, please share your CV by clicking apply.xhfqzwm For any questions, reach out directly.

Requirements

With 5+ years of production experience required, they need engineers who are already operating at a senior level and can take a feature from idea through to deployment with genuine autonomy.The RoleOur client is a product-led advisory firm working with governments and leading enterprises on high-impact digital transformation. They are hiring a Senior Full Stack Product Engineer working primarily in Next.Js + TypeScript with a Next.Js back end built on relational databases such as PostgreSQL and SQL Server, building production-grade applications for governments and large institutions. Ownership is real and starts from day one - engineers are expected to take features from architecture through to deployment independently.Hands-on experience integrating Large Language Models (LLMs) into production systems is highly valued. The client works with LLM APIs and expects engineers to understand prompt engineering, context management, retrieval-augmented generation patterns, and the practical trade-offs involved in building reliable, maintainable AI-powered features rather than fragile prototypes.What You Will Bring- Strong, hands-on Next.Js and React experience (mandatory) with proficiency in TypeScript and modern frontend architecture- Proven ability to own features end-to-end (UI ? API ? database) with strong debugging and problem-solving skills across the full stack- Hands-on experience integrating AI and LLM APIs into real products, with experience building and consuming clean, scalable REST APIs across the full stack- Solid understanding of relational databases such as PostgreSQL and SQL Server, with a strong grasp of performance, scalability, and architecture trade-offs- Comfortable using AI tools in your daily development workflow not just experimenting, but genuinely embedded into how you write, review, and ship code every day- Experience working in remote, autonomous environments with a high degree of ownership and minimal oversight- Able to take ambiguous requirements and turn them into working, production-grade features without heavy oversight- Nice to have: experience with . NET / ASP.NET Core, Azure or cloud platforms, Playwright or automated testing, TailwindCSS, or integrating LLMs into production applications- Maintains engineering rigor even in a fast-moving, AI-driven environment and you understand what the code is doing, not just what the AI generatedA Note on AI IntegrationOur client’s workflows are evolving rapidly with AI, from development and QA through to delivery. They are not looking for engineers who are curious about AI and plan to explore it. They are looking for engineers who have already made it central to how they work and can demonstrate that clearly in interview.The CompanyOur client is a product-led digital transformation business working across a range of exciting sectors.

Benefits & conditions

The team is growing at pace and this is the kind of environment where strong engineers progress quickly, take on meaningful responsibility early, and have a direct impact on the products they build.The Money & ContractThis will be an initial 3 month contract with the view to extend long termRate: $8,000 - $10,000 / monthNext StepsIf you are a senior full stack engineer with strong Next.Js experience who has fully integrated AI into your development workflow and can own features end-to-end from idea to deployment, please share your CV by clicking apply. xhfqzwm For any questions, reach out directly.

Apply for this position

This job is hosted externally. Click below to view the full posting and apply.

Apply on www.buscojobs.com.es
Prepare application

Good distractions

Talks and stories from around this role — technically off-topic, practically not.

2:14 min

Exploring internal AI product initiatives and global engineering roles

Maria Apazoglou · Coffee With Developers

1:52 min

Structuring and scaling the backend engineering team

Stefan Lingler Stefan Lingler +1 · Coffee With Developers

1:21 min

Exploring the target application for front end tests

Anna Mcdougall · JS Congress

4:30 min

Scaffolding pages and routing single-page applications with Next.js

Josh Goldberg · JS Congress

1:57 min

Accelerating AI maturity and the evolution of engineering roles

Alejandro Saucedo Alejandro Saucedo · World Congress 2025

1:12 min

Choosing TypeScript for complex backend applications

Maximilian Otto Maximilian Otto · World Congress 2024

Videos

See all

Related articles

See all