Mendix Developer
Join a multinational company with a startup spirit. You can make the difference!
🌍 About Keyrus
Keyrus is a global consulting and technology company focused on making data matter — truly matter — from a human perspective.
Founded in 1996, Keyrus operates in 28+ countries across 5 continents, with more than 3,300 people worldwide. Our strength comes from combining deep expertise in Data & Analytics, AI, Digital, and Management Consulting with a strong understanding of business realities.
Data is never the goal in itself.
We use data to shape understanding, design meaningful experiences, and enable better, real-life decisions.
At Keyrus, we also believe companies have a responsibility beyond performance. Through our Foundation and ESG initiatives, we actively contribute to sustainability, inclusion, and positive societal impact.
#OneTeamOneKeyrus
🎯 The Role
As a Senior Mendix Developer, you will work at the intersection of data, technology, and business, helping our clients turn complexity into clarity and insights into impact.
You will be part of a SAFe/Scrum team, working with Mendix technology across a diverse application landscape, ranging from SAP back-office systems to web portals and custom-built solutions.
You will collaborate with multidisciplinary teams in an international environment and contribute to projects that drive performance, innovation, and sustainable growth.
📍 Job location: Portugal or Spain-based / Remote
🗓 Target start date: Month / ASAP
⏰ Working hours: Full-time (40h/week)
💵 Compensation: 40k to 55k gross per year.
Note: All applications (CVs) must be submitted in English.
💥 Your Impact
In this role, you will:
Develop and enhance Mendix applications, delivering high-quality solutions to real business problems
Translate business requirements into scalable and sustainable Mendix solutions
Collaborate closely with IT, business stakeholders, and Product Owners to refine and deliver features
Contribute to application maintenance and continuous improvement following DevOps principles
Ensure best practices in coding, security, and performance across all developments
Support and mentor junior developers, fostering team growth and knowledge sharing
⚡ What Makes This Role Challenging
You will work within a complex and evolving system landscape, integrating multiple technologies (SAP, web portals, custom apps)
You will balance new feature development, maintenance, and bug fixing in a dynamic backlog
You will collaborate with diverse stakeholders, requiring strong communication and alignment skills
You will take ownership of the full application lifecycle, from concept to deployment and optimisation
👤 What We’re Looking For
Must-haves
Minimum 5 years of experience as a Mendix Developer
Proven experience extending and maintaining existing Mendix applications
Strong analytical and problem-solving skills
Ability to translate business requirements into technical solutions
Experience working in Agile environments (Scrum / SAFe)
Knowledge of REST integrations, testing, performance optimisation, and security best practices
Experience with HTML/CSS and DevOps principles
Ability to mentor junior developers and collaborate with UX/UI teams
Strong communication skills with both technical and non-technical stakeholders
Fluency in English
Must be a Portuguese or European citizen, or hold a valid work permit for Portugal
Nice-to-haves
Experience working with SAP-integrated environments
Exposure to complex enterprise system landscapes
Experience in consulting or client-facing roles
Knowledge of Dutch
💰 How Our Salary Ranges Work
At Keyrus, salary ranges reflect different levels of mastery and impact within the same role — not different job titles.
Bottom of the range
You meet the core requirements and will need ramp-up time and support.Middle of the range
You are fully autonomous from Day 1 and deliver consistently.Top of the range
You are a reference for the role, mentor others, and raise the bar for the team.
Final offers are based on experience, autonomy, scope, and market context, and are discussed transparently during the process.
🎁 What We Offer at Keyrus Portugal
Competitive salary aligned with your experience and the data market
Meal allowance: €10.20/day
Flexible benefits plan
Private medical insurance
22 days of annual leave, increasing every 3 years (up to 25 days)
Continuous learning via KLX – Keyrus Learning Experience
A collaborative, international, and human-centred work environment
💙 Why Keyrus?
Joining Keyrus means joining:
A market leader in Data Intelligence
A company where people, trust, and diversity are core values
An environment that values ownership, flexibility, and innovation
A place where different backgrounds and perspectives are not just welcomed = they are essential
We believe diversity drives better thinking, stronger teams, and better outcomes.
Everyone belongs at Keyrus.
♿ Equal Opportunity Statement
We are committed to building an inclusive workplace and encourage applications from all backgrounds, regardless of race, ethnicity, gender identity, sexual orientation, age, disability, or any other protected characteristic.
- Areas de expertise
- Data Architecture & Engineering
- Locations
- Lisbon, Porto, Spain
- Remote status
- Fully Remote
- Yearly salary
- €40,000 - €55,000
About Keyrus Portugal
At Keyrus Portugal, we're more than just a company - we're a constellation of bright minds and innovative souls.
If you're seeking a place where your passion meets purpose, where every project is a canvas and every challenge an opportunity, then look no further.
Join us, and be a part of a community that's shaping the digital frontier. At Keyrus Portugal, your journey to greatness begins.