Senior Full Stack Developer

Integrity360; Madrid; On-site; EUR 50,000 - 80,000; Full time

Benefits offered by this job

Opportunities for career progression

Exposure to diverse sectors like Financial Services and Government

Support from experienced technology and security professionals

Job summary

A leading cybersecurity firm in Madrid is looking for a Senior Developer. In this role, you'll collaborate with developers and cybersecurity experts to design and optimize software solutions. The ideal candidate will have extensive DevOps experience, strong programming skills in multiple languages, and a knowledge of secure development practices. This position offers flexibility with remote work options and opportunities to drive technological innovation in the security domain.

Qualifications

• Strong programming skills with proficiency in multiple languages and frameworks.
• Experience automating and scaling infrastructure and deployments.
• Understanding of secure development practices.

Responsibilities

• Design, build, and optimize mission-critical software solutions.
• Shape internal development standards and best practices.
• Identify opportunities for automation and tooling improvements.

Skills

CI/CD

cloud platforms

containerization

automation tools

Python

Java

AngularJS

React

Ansible

Terraform

Education

5+ years of DevOps experience

Tools

Docker

SQL databases

NoSQL databases

Azure

GCP

AWS

Job description

Overview

Join to apply for the Snr Developer role at Integrity360.

Location: Madrid - Remote/Hybrid - With occasional office visits when required. Reports to: Head of DevOps. Job type: Permanent Full-Time.

About Us

Integrity360 is the largest independent cyber security provider in Europe, with a growing international presence spanning the UK, Ireland, mainland Europe, Africa and the Caribbean. With over 700 employees, across 12 locations, and six Security Operations Centres (SOCs)—including locations in Dublin, Sofia, Stockholm, Madrid, Rome, Naples and Cape Town—we support more than 2,500 clients across a wide range of industries.

Over 80% of our team are technical experts, focused on helping clients proactively identify, protect, detect and respond to threats in an ever-evolving cyber landscape. Our security-first approach positions cyber resilience as a business enabler, empowering organisations to operate with confidence.

At Integrity360, people come first. We invest heavily in learning, development and progression, fostering a dynamic culture where innovation, collaboration and continuous growth are at the heart of what we do. If you\u2019re ready to take your cyber security career to the next level, we\u2019d love to hear from you.

What You’ll Do

As a Senior Developer, you\u2019ll work with developers, engineers, and cybersecurity experts to design, build, and optimize mission-critical software solutions. You\u2019ll be at the forefront of automation, infrastructure as code (IaC), analytics, and business intelligence (BI)—driving innovation and delivering solutions that enhance operational capabilities.

Beyond development, you\u2019ll play a pivotal role in shaping internal development standards, influencing best practices, and actively identifying opportunities to automate, improve tooling, and elevate customer experiences.

What We’re Looking For

• Extensive DevOps Experience iciency in CI/CD, cloud platforms, containerization, and automation tools (preferably in a cybersecurity environment).
• Proactive & Solution-Focused  the ability to analyze business challenges and deliver real, effective solutions.
• Strong Programming Skills  a broad understanding of multiple languages and frameworks, with a track record of building scalable, extensible software.
• Great Communicator & Influencer  comfortable engaging with both technical and non-technical stakeholders, building relationships, and driving positive change across the business.
• Cybersecurity Mindset  a keen understanding of secure development practices and the ability to deliver platforms that support a full range of cybersecurity services.

Why Join Us?

This isn\u2019t just a development role—it\u2019s an opportunity to drive technological innovation, make a real impact, and work on cutting-edge cybersecurity solutions. If you\u2019re ready to push boundaries and shape the future of secure software development, we want to hear from you!

Required Skills

The ideal candidate will have 5+ years of DevOps experience in a Software Development or Platform Engineering role, with a strong focus on automation, scalability, and infrastructure management.

They should demonstrate expertise across a diverse tech stack, with proficiency in programming languages such as Python and Java, as well as front-end frameworks like AngularJS and React.

Additionally, experience with containerization (Docker), automation tools (Ansible, Terraform), and both SQL and NoSQL databases is highly desirable. Familiarity with cloud platforms such as Azure, GCP, or AWS is essential for designing and deploying robust, cloud-native solutions.

A background in cybersecurity is a significant advantage, as the role involves developing secure, high-performance platforms that align with industry best practices. The successful candidate should be comfortable navigating complex technical environments, delivering scalable, secure, and efficient software solutions.

Training / Methods / Tools

What we will provide for you:

• An opportunity to lead the team who won “Best Managed Security Service Provider – Tech Excellence Awards 2017”
• Opportunity to gain experience and knowledge in a key field of expertise
• Exposure to many sectors like Financial Services, Pharmaceutical, Government and Telecoms etc.
• To be a part of growth on a global scale in the coming years with Integrity360
• Joining the “Best Place to Work – Tech Excellence Awards 2016”
• A team of highly experienced technology and security professionals to work with and support you.
• A leadership team who have a worthwhile mission and who excel at that mission.
• A chance to work with one of the market leaders in Information Security companies (Winner of the AIB Enterprise of the Year Award 2013, Nominated for EY, EOY 2015)
• A company that is going from strength to strength with significant growth plans that we are achieving.

Customer Service

Fanatical Customer Service isn’t just something we offer, it’s really what makes us who we are here at Integrity360. It’s the desire to do more than our clients expect us to do. Exceed their expectations. It’s our need to make a difference in the challenges our clients face – no matter how big or small. We have found that when it comes to customer service, a little fanaticism goes a long way.

Driving excellence through all our behaviours and actions to deliver an enhanced experience for our internal and external customers.

The successful candidate will embody excellent Customer Service skills as a fundamental basic or their core skillset. All candidates will be asked during the recruitment process to demonstrate a time when they delivered a Customer Service experience that could be described as Fanatical.