Full Stack Engineer

We’re hiring: Full Stack Engineer

(Senior role, must be based in Madrid – Hybrid position)

As a part of our Engineering Hub in Madrid, the Full Stack Engineer will take ownership of exciting projects that touch both frontend and backend technologies. In this role, you’ll design, build, and deploy high-performance applications that power streaming platforms used around the world. In this specific case, the role will be key in building new features for our 24i core technology: the orchestrator of our 24i Video Cloud system.

You’ll collaborate with talented colleagues across disciplines—from product managers and designers to DevOps engineers—in an E2E team to deliver elegant, scalable solutions. If you’re a versatile developer who thrives in a dynamic, creative environment, we’d love to meet you.

What you’ll do

·      Build and scale full stack applications (frontend and backend)

·      Develop modern UIs with React and robust APIs with PHP, TypeScript, and Python

·      Work with AWS and Infrastructure-as-Code to deliver scalable systems

·      Collaborate in cross-functional teams to ship impactful features end-to-end

Key Responsibilities

·      Lead the design, development, and deployment of full stack projects that integrate frontend and

backend components seamlessly.

·      Build responsive, user-friendly web interfaces using React and Bootstrap CSS.

·      Develop and maintain robust backend systems and APIs using PHP, TypeScript, and Python.

·      Use AWS CDK and Infrastructure as Code to create scalable, efficient environments.

·      Manage CI/CD pipelines with GitHub workflows for smooth delivery cycles.

·      Write automated tests to ensure reliability and maintain high code quality.

·      Collaborate closely with all the stakeholders in cross-functional teams.

·      Debug, document, and maintain both frontend components and APIs.

·      Integrate third-party APIs and work with RESTful and WebHook applications.

·      Continuously optimize system performance and propose improvements.

Key Qualifications:

·      Proven full stack experience with PHP, TypeScript, and Python.

·      Strong skills in React and Bootstrap CSS for building dynamic, responsive frontends.

·      Expertise in AWS services (EC2, Lambda, S3, RDS, etc.) and Infrastructure as Code (AWS CDK).

·      Hands-on experience with GitHub workflows and CI/CD pipelines.

·      Strong understanding of RESTful APIs, microservices, and modern architectural patterns.

·      Familiarity with Docker, Kubernetes, and both SQL (PostgreSQL/MySQL) and NoSQL databases.

Desirable Skills:

·      Experience in AI usage for development.

·      Experience with ActiveMQ, Kafka, or RabbitMQ.

·      Knowledge of OAuth2, SAML, LDAP authentication systems.

·      Familiarity with streaming technologies (HLS, MPEG-DASH).

·      Previous mentoring or technical leadership experience.

Your impact

In 1 month:

·      Team Connection: Build relationships with the team and get to know your colleagues.

·      Industry & Systems Immersion: Gain a solid understanding of the video streaming industry and the

various systems within 24i.

·      Tool Familiarization: Become proficient with your essential daily tools and platforms.

In 3 months:

·      Coding: Contribute code directly to production.

·      System design: Actively participate in system design discussions with your team.

·      Reporting: Gain a clear understanding of our core Key Performance Indicators (KPIs) and the

necessary actions to improve them.

In 6 months:

·      Ownership: Take full end-to-end (E2E) ownership of your assigned systems, including development,

maintenance, and platform stability.

·      Observability: Drive significant, measurable improvements in our systems' observability and

analytics.

·      Accountability: Serve as the primary internal and external point of contact for all matters related to

your owned systems.

Why join us?

·      Work on global-scale streaming technology

·      Build real features used by millions

·      Grow in a collaborative, fast-moving environment

·      Take ownership from day one

Other benefits include

·      extra 8% gross salary as vacation allowance

·      extra 5% pension allowance 

·      5 weeks of holiday + extra birthday day off

·      English/Spanish lessons

·      Snacks and coffee at the office

·      Fruit and drinks all day long

·      Company events, informal atmosphere and a lot of fun with great colleagues!

Join 24i and make your mark in redefining how the world watches. Apply now and bring your expertise to a team that’s passionate about innovation, quality, and entertainment!