Fyld

AI platform for field operations

Java Fullstack Developer

Full-Stack EngineeringConfirmed live in the last 24 hours

Full-timeLisbon, PortugalNo salary listedIn-person

About the Job

Requirements

A degree in Computer Science, Software Engineering, Information Technology, or a related field is required.
At least 3 years of professional experience in Java development is required.
Strong proficiency in Java and object-oriented programming is required.
Professional experience with Spring and Spring Boot is required.
Experience with Hibernate, JPA, and ORM technologies is required.
Experience designing and developing REST APIs and backend services is required.
A good understanding of software architecture, clean code, and development best practices is required.
Professional experience with at least one modern frontend framework, such as React or Angular, is required.
Good knowledge of JavaScript and TypeScript is required.
Good knowledge of HTML5 and CSS3 is required.
Experience working with relational databases such as PostgreSQL, Oracle, or MySQL is required.
Good knowledge of SQL and database design principles is required.
Experience with unit and integration testing using tools such as JUnit and Mockito is required.
Good knowledge of Git and version control practices is required.
Experience with Maven or Gradle is required.
Familiarity with CI/CD practices is required.
An understanding of API security and web application security principles is required.
The ability to troubleshoot, optimize, and maintain applications is required.
The ability to work effectively in Agile development teams is required.
Fluency in English is required.

Responsibilities

Build modern web applications with a strong backend foundation.
Design and develop REST APIs and backend services.
Troubleshoot, optimize, and maintain applications.

Desired Qualifications

Experience with React or Angular is desirable.
Knowledge of microservices architectures is desirable.
Experience with Docker and Kubernetes is desirable.
Experience with Kafka, RabbitMQ, or similar messaging technologies is desirable.
Knowledge of Redis or other caching technologies is desirable.
Experience with cloud platforms such as AWS, Azure, or GCP is desirable.
Experience with NoSQL databases is desirable.
Knowledge of CI/CD and DevOps practices is desirable.

Fyld is hiring: Java Fullstack Developer

At Fyld, we believe the future is built with people, technology, and strong values.

We are a Portuguese consulting company that operates with transparency, respect, and a focus on everyone’s growth.

Here, every project is an opportunity to build real, scalable, and high-quality software solutions.

Our philosophy? Code for Big Solutions — because we don’t just build software to make things work, we build solutions that create real impact.

We’re looking for an experienced Java Fullstack Developer with a strong backend foundation and solid experience building modern web applications.

By joining Fyld, you’ll be part of a team where every member is challenged to innovate, collaborate and grow.

Your Profile:

Degree in Computer Science, Software Engineering, Information Technology, or a related field
Minimum of 3 years of professional experience in Java development
Strong proficiency in Java and object-oriented programming
Professional experience with Spring and Spring Boot
Experience with Hibernate / JPA and ORM technologies
Experience designing and developing REST APIs and backend services
Good understanding of software architecture, clean code and development best practices
Professional experience with at least one modern frontend framework, such as React or Angular
Good knowledge of JavaScript and TypeScript
Good knowledge of HTML5 and CSS3
Experience working with relational databases such as PostgreSQL, Oracle or MySQL
Good knowledge of SQL and database design principles
Experience with unit and integration testing, using tools such as JUnit and Mockito
Good knowledge of Git and version control practices
Experience with Maven or Gradle
Familiarity with CI/CD practices
Understanding of API security and web application security principles
Ability to troubleshoot, optimize and maintain applications
Strong analytical and problem-solving skills
Ability to work effectively in Agile development teams
Fluency in English

Nice to Have:

Experience with React or Angular
Knowledge of microservices architectures
Experience with Docker and Kubernetes
Experience with Kafka, RabbitMQ or similar messaging technologies
Knowledge of Redis or other caching technologies
Experience with cloud platforms, such as AWS, Azure or GCP
Experience with NoSQL databases
Knowledge of CI/CD and DevOps practices

Our Values:

Critical thinking and autonomy
Focus on meaningful solutions and real results
Respect, transparency, and continuous growth

What you'll find at Fyld:

A collaborative team that values individual progress
Access to continuous training and certifications
A culture of proximity, respect, and recognition
Challenging, purpose-driven projects where your expertise as a Java Fullstack Developer has real impact

📩 Want to be part of it? Send your CV to [email protected]

Fyld. Code for what really matters.

About the Company

Fyld

AI platform for field operations

Fyld is a London-based AI platform for field operations in infrastructure and utilities. Its mobile-first system lets crews capture video, audio, photos and text, while AI risk assessment, digital work execution and remote visibility help managers improve safety, productivity and first-time-right delivery. It serves utilities, energy, highways/transport, construction and heavy manufacturing, focusing on large organizations with tens of thousands of workers and providing real-time remote oversight. Its goal is to scale the platform and expand in the US, backed by a Series B and strategic investors to accelerate growth.

Company size: 51-200
Company stage: Series B
Total funding: $99.1M
Headquarters: London, United Kingdom
Founded: 2020

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