Full-stack Technical Lead (Java+React)

N-iX; Barcelona; Híbrido; EUR 70.000 - 110.000; Jornada completa

Ventajas ofrecidas por este puesto de trabajo

Flexible work format

Competitive salary

Career growth opportunities

Mentorship program and tech talks

Education reimbursement

Descripción de la vacante

N-iX is a global software development service company delivering next-generation software for Fortune 500 clients and global partners. We are seeking an experienced Technical Lead / Full Stack Engineer (Java + React) to steer architecture, coding, and DevOps across innovative products in a flexible work environment.

You will mentor engineers, drive XP practices, and collaborate with product owners to translate complex requirements into robust technical strategies.

Formación

• BS degree in Computer Science or equivalent
• 6+ years of full-stack development experience
• 6+ years in Java and Spring
• 2+ years front-end development with React
• Experience with TDD/BDD using JUnit/Jasmine/Mockito/Protractor or Selenium
• 2+ years with microservices (Spring Boot/Cloud) and DevOps (Jenkins)
• Experience with cloud/hybrid solutions and Kubernetes
• Excellent English - verbal and written

Responsabilidades

• Guide, mentor, and grow the team of full-stack engineers
• Lead architectural design and technical direction for scalable applications
• Maintain high standards of code quality, testing (TDD/BDD), CI/CD and DevOps
• Collaborate with product owners to translate requirements into technical strategies
• Develop and deploy end-to-end full-stack solutions, including remote pairing
• Own end-to-end development lifecycle from design to deployment and maintenance

Conocimientos

Leadership

Full-stack development

Java

Spring

React

TDD/BDD

Jenkins

Kubernetes

Cloud

English

Educación

BS in Computer Science

Herramientas

JUnit

Mockito

Protractor/Selenium

Jasmine

Descripción del empleo

N-iX is a global software development service company that helps businesses across the globe create next-generation software products. Founded in 2002, we unite 2,400+ tech-savvy professionals across 40+ countries, working on impactful projects for industry leaders and Fortune 500 companies. Our expertise spans cloud, data, AI/ML, embedded software, IoT, and more, driving digital transformation across finance, manufacturing, telecom, healthcare, and other industries. Join N-iX and become part of a team where your ideas make a real impact.

Nowadays, finding a long-term job with an interesting project can feel like a real challenge.

But hey — if you're an experienced Technical Lead / Full Stack Engineer (Java + React), look no further!

Yes, it's real. You're not dreaming. Miracles do exist!

When it comes to our customer – a strategic partner of ours in the integrated Shipping Services. They have set themselves apart as an independent carrier with a fresh, unique approach. Their strategy as a global niche carrier offers distinctive advantages to customers worldwide. We have created a smart, efficient network that ensures stable, reliable services; and we have made it our mission to focus on the needs of our customers, which stand at the heart of all our decisions. The main idea of our product operates in select trades, where it has a competitive advantage and where it can provide superior service. We maintain a flexible partnership approach with other major carriers, and our new line structure is a much-needed alternative to customers concerned about the current alliance-dominated market.

Responsibilities

• Guide, mentor, and foster the growth of full-stack engineers within the team, championing engineering excellence and XP practices.
• Lead the architectural design and technical direction of innovative full-stack applications, ensuring scalability, security, and alignment with business goals.
• Establish and champion high standards of code quality, testing (TDD/BDD), CI/CD pipelines, and robust DevOps practices.
• Act as a key technical point of contact, collaborating closely with product owners and stakeholders to translate complex requirements into actionable technical strategies.
• Direct full-stack development of innovative applications, remaining actively involved in writing code and remote pairing.
• Own the entire development cycle, including design, architecture, development, testing, and DevOps deployment.
• Foster a highly collaborative Extreme Programming (XP) environment featuring remote pairing and rapid feedback loops.

Requirements

• BS degree in Computer Science or an equivalent combination of education and experience.
• Experience in technical leadership is a must.
• 6+ years of full-stack development experience.
• 6+ years of experience in the following technologies: Java, Spring.
• Proven experience with Functional Programming and Java Streams.
• 2+ years of experience in front-end development with React.
• Experience with developing a reactive UI (Reactive JS).
• 2+ years of experience in TDD/BDD development in the following frameworks: JUnit, Jasmine, Mockito, Protractor/Selenium.
• 2+ years of experience in microservices-based architecture and tools (Spring Boot/Cloud).
• AI experience
• Experience in DevOps development and Jenkins (must).
• Experience in development in Kotlin – an advantage.
• Experience in designing, developing, and deploying cloud/hybrid-based solutions.
• Experience in developing and deploying in Container-based environments (Kubernetes, Cloud Foundry).
• Deep familiarity with the following design concepts: microservices, service discovery, circuit breakers.
• Strong leadership abilities with the capacity to appropriately prioritize, plan, and delegate complex work in a rapidly changing environment.
• Versatility and capability to switch easily between different tasks and technologies.
• Experience in assessing a broad range of information solutions and products.
• Strong critical thinker with an exceptional problem-solving aptitude.
• Excellent English skills - both verbal and written.

We offer*

• Flexible working format - remote, office-based or flexible
• A competitive salary and good compensation package
• Personalized career growth
• Professional development tools (mentorship program, tech talks and trainings, centers of excellence, and more)
• Active tech communities with regular knowledge sharing
• Education reimbursement
• Memorable anniversary presents
• Corporate events and team buildings
• Other location-specific benefits
• not applicable for freelancers