Senior Fullstack Engineer (Java/kotlin + React)

Posted 20 Days Ago
Be an Early Applicant
Madrid, Comunidad de Madrid
In-Office
Senior level
Artificial Intelligence • Software
The Role
As a Senior Fullstack Engineer, you'll code in various languages, collaborate within cross-functional teams, and mentor others. You'll handle full-stack development and improve system performance.
Summary Generated by Built In

Senior Fullstack Engineer (Java/kotlin + React) 

At Parser, we're searching for full stack enthusiasts who are highly motivated, collaborative, and excited to be part of our Engineering team.

Key Responsibilities

As a Full Stack Engineer, you'll work on impactful projects using cutting-edge technologies. Collaborating with talented engineers across frontend, backend, and infrastructure, you'll design and build solutions critical to Parser's mission.

You will:

  • Write high-quality, maintainable and testable code in Java, Kotlin, TypeScript, Python or other modern stacks. 
  • Build across the full stack — frontend web applications, backend services, APIs, and data flows.
  • Work in a cross-functional Agile team, participating in all development phases from planning to production.
  • Provide technical mentorship, conduct code reviews, and engage in architectural discussions.
  • Continuously improve systems for scalability, performance, and resilience.
  • Collaborate with stakeholders to shape product direction and make architecture decisions.

Required Tech Stack & Skills

We value curiosity, creativity, and a passion for building great products. While we don't believe in rigid checklists, experience or interest in the following areas is a plus:

  • Strong programming skills in modern languages (Java, Kotlin, Python, JavaScript, etc.)
  • Experience with frontend frameworks like React, Vue, or Angular
  • Understanding of backend technologies and RESTful APIs
  • Knowledge of cloud platforms such as AWS, GCP, or Azure
  • Familiarity with SQL and NoSQL databases
  • Solid understanding of computer science fundamentals (data structures, algorithms, system design)
  • Passion for clean, maintainable code and modern practices (CI/CD, TDD, DevOps)
  • Strong communication and collaboration skills
  • A drive to learn and improve — both yourself and the systems you build

As a Team, We love to:

  • Build reliable, scalable systems that empower millions of travellers
  • Keep our codebase clean and architecture elegant
  • Learn from each other, share knowledge, and grow together
  • Celebrate wins, reflect on misses, and always aim higher

Some of the benefits you’ll enjoy working with us:

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

Come and join our #ParserCommunity.

Follow us on Linkedin

Top Skills

Angular
AWS
Azure
GCP
Java
JavaScript
Kotlin
NoSQL
Python
React
SQL
Typescript
Vue
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The Company
HQ: London
174 Employees
Year Founded: 2018

What We Do

At Parser we help organisations leverage on digital to advance their business strategy.

For us, creativity, talent, and passion are indispensable to succeed. This is why we are committed to building, nurturing, and empowering a diverse, multi-disciplinary environment, where every team member can grow professionally and achieve their ambitions, while helping our clients deliver amazing digital products.

Thanks to our flexible, distributed model of global operation and the high calibre of our experts, we have enjoyed triple digit growth over the past five years, creating amazing career opportunities for our people across 4 continents.

Our services:

- Digital Strategy & Transformation

We help you understand market trends, relevant technologies, and aligned with your business strategy we create your vision and set the digital direction. This enables you to focus efforts and integrate business and technology across your organisation.

- Digital Portfolio Management

Based on a clear vision and direction, we help you assess your position, execute your digital strategy and manage your portfolio. We do this by integrating a range of diverse business and technical practises, transforming your organisation in the process.

- Product & Service Development

We help you create new experiences by designing user journeys that bridge all of the relevant departments of your organisation. By harnessing our ecosystem of specialised talent, we can provide relevant and focused expertise on demand.

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