Senior Fullstack Engineer (Java/Kotlin + Javascript)

Hybrid in Madrid·Full-time·Added 7 days ago

Parser Digital

17 open roles

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Overview

Job details

Full-time hours
Per the ad.
Hybrid
Only from certain places, per the ad: “Candidates based in Madrid, Spain: Hybrid model, 3 days per week in the office in Chamartin”

Requirements

Have the right to work in Spain
Parser Digital doesn't mention sponsorship in the ad.
Be near Madrid for hybrid days
No relocation package mentioned.
Have 4+ years of experience
Senior-level role.
University degree
“Bachelor's degree in Computer Science or related field (or equivalent experience)” — per the ad.

Pay & benefits

What you'll get

The chance to join an organization with triple-digit growth that is changing the paradigm on how software products are built.
The opportunity to be part of an amazing, multicultural community of tech experts.
A highly competitive compensation package.
A flexible and hybrid working environment.
Medical insurance.

Requirements

What we're looking for

+4 years of software development experience in team environments of at least five engineers (agile, version control, etc.)
Proven expertise with JVM languages (Java/Kotlin) in production environments
Strong proficiency in modern frontend technologies (HTML5, CSS3, JavaScript/TypeScript, reactive frameworks)
Experience with frontend frameworks like React is a plus
Experience building and maintaining distributed systems in public or hybrid cloud infrastructure
Solid understanding of data storage (SQL, NoSQL), API design, and microservices integration patterns
Demonstrated ability to test, monitor, and debug applications across the full stack
Experience with testing and monitoring tools
Ability to grasp how projects fit within team objectives and business needs
Comfortable working with moderately to highly complex systems
Experience with event-driven architectures
Familiarity with containerization and orchestration (Docker, Kubernetes)
Understanding of CI/CD pipelines and DevOps practices
Bachelor's degree in Computer Science or related field (or equivalent experience)

The role

Senior Fullstack Engineer (Java/Kotlin + Javascript)

What you'll do

Develop and maintain scalable backend services using JVM languages (Java, Kotlin) that power distributed systems
Design and implement RESTful APIs and integration patterns for microservices architecture
Optimize database performance (SQL, NoSQL) and design efficient data access patterns
Build event-driven and asynchronous systems that handle complex workflows
Develop responsive, user-centric frontend applications using modern web technologies
Collaborate with product and design teams to translate requirements into elegant, performant UI solutions
Implement client-side logic for data visualization, state management, and real-time interactions
Ensure cross-browser compatibility and accessibility standards
Lead small, well-defined projects across the full stack, taking end-to-end ownership
Collaborate with team members to co-develop solutions and resolve problems
Apply software design principles, data structures, and design patterns to write clean, maintainable, modular code
Understand system and technology integration across distributed services
Help coordinate stakeholder input when developing solutions
Proactively identify inefficiencies and opportunities for technical improvement
Test, monitor, and debug applications effectively across layers

How you'll work

Candidates based in Madrid, Spain: Hybrid model, 3 days per week in the office in Chamartin

About Parser Digital

Parser (Parser Limited) is a technology consultancy focused on "Applied AI for measurable impact", delivering AI implementation, product development, and technology modernisation for global organisations. It describes itself as "Boutique by design", combining strategic consulting with hands-on delivery in a single team, with expertise spanning product, engineering, data, quality, and AI. The company holds ISO 27001 certification for information security management and was an EY Entrepreneur of the Year finalist in 2024.

Website: parserdigital.com

Good to know if you are moving

Parser has co-working bases in two Spanish cities: Barcelona (Utopicus Torre Marenostrum) and Madrid (Networkia Castellana).
The company works with a hybrid model: "We work anywhere our clients are, with teams assembled globally, around each challenge."
Multiple senior engineering roles are currently open in Spain, including Site Reliability Engineer, AI Engineer, Backend (Java/Kotlin, Golang), Mobile (KMP, iOS, React Native), Data Engineer, DevOps, and Fullstack positions.
Parser is ISO 27001 certified for information security management.
The company describes its work as "High-stakes work for global clients, high-calibre teams, and growth driven by talent and ambition."

In their own words

Additional information

Parser is committed to fostering an inclusive workplace and providing equal employment opportunities to all applicants regardless of race, religion, gender, sexual orientation, age, disability, or any other protected characteristic under applicable law.

If you require reasonable accommodations during the recruitment process, please let us know and we will work with you to support your participation.

By applying to this role, you acknowledge that your personal data will be processed in accordance with Parser's Privacy Notice for recruitment purposes.

Parser may use AI-assisted tools during certain stages of the recruitment process to support operational efficiency. Our recruiting teams use AI to streamline note-taking and scheduling. All hiring decisions are made by people, with human review and oversight.

All open roles at Parser Digital