Senior Software Engineer - Core Entities team - Madrid based

Aircall; Madrid; Presencial; EUR 45.000 - 70.000; Jornada completa

Descripción de la vacante

Aircall is seeking a Senior Software Engineer for their Core Platform team in Madrid. In this role, you will create and maintain vital features that enhance customer experience while ensuring operational excellence. Your responsibilities include using Ruby and Typescript to build resilient services, work in a fast-paced environment, and contribute to architectural decisions. Join a diverse team focused on growth and collaboration.

Servicios

Competitive salary package

Work-life balance

Fast-learning environment

Strong team spirit

Diversity and inclusion initiatives

Formación

• 5+ years in back-end development, proficient in Ruby, Typescript, and Node.js.
• Experience with AWS for high volume/availability services.
• Proven track record of delivering complex projects autonomously.

Responsabilidades

• Design, develop, and deploy business-critical features.
• Build and operate distributed, real-time services.
• Lead architectural decisions and drive projects for resilience and scalability.

Conocimientos

Back-end Development

AWS

Ruby

Typescript

Node.js

Real-time Services

Descripción del empleo

Aircall is the world’s leading integrated customer communications and intelligence platform for growing businesses. Trusted by over 20,000 companies worldwide, Aircall unifies voice and digital channels into one seamless platform, offering one-click integrations with leading CRMs and over 100 business tools. With real-time, AI-powered insights and feedback, AI agents, and automation, we help sales and support teams save time on routine tasks, uncover opportunities, and deliver exceptional customer experiences. With a global team of 600+ across nine offices, Paris, New York, San Francisco, Sydney, Madrid, London, Berlin, Seattle, Mexico City, Aircall is transforming how businesses connect with their customers, driving smarter conversations, deeper relationships, and measurable success.

How We Work at Aircall:At Aircall, we believe in customer obsession, continuous learning, and delivering extraordinary outcomes. We value open collaboration, taking ownership, and making smart, informed decisions with speed and precision. If you thrive in a fast-paced, team-driven environment where curiosity, trust, and impact matter, you'll fit right in

We are looking for an engaged and passionate Senior Software Engineer to join our growing engineering department and be part of our Core Platform team.

You will be responsible for the design, development, deployment, and operation of business-critical features that add customer value. Operational excellence, metrics,observability and best practices, evangelization, and mentoring in your team and across the whole of Engineering will be part of your day to day job.

Using Ruby and Typescripts back-end stacks, appropriate for each requirement, but always hosted on AWS, we build added value and resilient services on top of voice and fully integrate with our customers’ business critical tools (CRM, Helpdesk, E-Commerce, …).

As a Senior Software Engineer you will:

• Build and operate distributed, real-time services powering core of our product
• Using Ruby and Typescript / Node.js, build, test and deploy applications and systems
• Own meaningful parts of our service, have an impact, grow with the company
• Lead architectural decisions for new and existing services
• Drive projects that increase platform’s resilience and scalability
• Participate in an on-call rotation to respond to critical system issues and ensure continuous system reliability

A little about you:

• You have at least 5+ years of experience in back-end development with some of those languages Ruby / Ruby On Rails / Typescript / NodeJS, with a focus on delivering for security, scalability, reliability and performance.
• You have worked extensively with AWS in a production environment, preferably for high volume / high availability services and understand how to design for, deploy on and get the best out of, the environment and services provided by Amazon).
• Autonomous with a proven track record in delivering complex projects in time and scope
• Desire to work in a fast paced, high-growth tech first environment

Aircall is constantly moving forward. We’re building new roads to complete our journey, and we’re taking people with us who have the same builder mentality.

Let’s grow together: Aircall is a place for those who dare to be bold and seek responsibility, excellence, and the opportunity to push themselves to new heights.

We’re creating a place where great people trust one another and thrive together.

People flourish at Aircall and now is the time to be part of the team and the journey we’re on.

Why join us?

Key moment to join Aircall in terms of growth and opportunities

️ Our people matter, work-life balance is important at Aircall

Fast-learning environment, entrepreneurial and strong team spirit

45+ Nationalities: cosmopolite & multi-cultural mindset

Competitive salary package & benefits

DE&I Statement:

At Aircall, we believe diversity, equity and inclusion – irrespective of origins, identity, background and orientations – are core to our journey.

We pride ourselves on promoting active inclusion within our business to foster a strong sense of belonging for all. We’re working to create a place filled with diverse people who can enrich and learn from one another. We’re committed to ensuring that everyone not only has a seat at the table but is valued and respected at it by providing equal opportunities to develop and thrive.

We will constantly challenge ourselves to make sure that we live up to our ambitions around diversity, equity and inclusion, and keep this conversation open. Above all else, we understand and acknowledge that we have work to do and much to learn.

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