Senior Mendix Engineer

Accesa is a leading technology company headquartered in Cluj-Napoca, with offices in Oradea and 20 years of experience in turning business challenges into opportunities and growth.

A value-driven organisation, it has established itself as a partner of choice for major brands in Retail, Manufacturing, Finance, and Banking. It covers the complete digital evolution journey of its customers, from ideation and requirements setup to software development and managed services solutions.

With more than 1,200 IT professionals, Accesa also has a fast-growing footprint, establishing itself as an employer of choice for IT professionals who are passionate about problem-solving through technology. Coming together in strong tech teams with a customer-centric approach, they enable businesses to grow, delivering value for our clients, partners, industry, and community.

Our client is a trusted partner in the German financial and banking sector, supporting a large-scale IT landscape used by thousands of users and powering business-critical applications. Operating in a highly regulated environment, the organization places a strong emphasis on governance, security, and operational excellence.

We are looking for a Senior Mendix Engineer to join our team and support the transition, development, and continuous improvement of enterprise applications built on the client's Mendix platform.

As part of this role, you will contribute to the successful takeover of an existing application landscape, ensuring a smooth handover while driving further enhancements and maintaining high-quality delivery.

The project is a new engagement for our organization and involves taking over an existing Mendix-based application ecosystem from another delivery team. A structured handover and knowledge transfer phase will ensure a smooth transition.

The delivery team will consist of Mendix, Java, and Business Analysis professionals working closely together to deliver and continuously improve business-critical applications.

Responsibilities

• Ensure a smooth transition: Participate in knowledge transfer activities with the incumbent team to ensure a seamless onboarding and continuity of delivery
• Build robust enterprise applications: Analyze business requirements, design technical solutions, and develop, maintain, and optimize enterprise applications using Mendix, including microflows, domain models, pages, and workflows
• Deliver integrated, high-quality solutions: Collaborate with Java Engineers to develop custom components and integrations, connect applications with external systems through REST, SOAP, and other APIs, and ensure code quality through reviews and adherence to development standards
• Drive technical excellence: Troubleshoot and resolve application defects and performance issues, contribute to architecture discussions, and support technical decision-making to deliver scalable and maintainable solutions
• Collaborate across teams: Work closely with Business Analysts, stakeholders, and cross-functional teams, actively participating in Agile ceremonies to ensure successful project delivery
• Nurture knowledge: Mentor and support team members, sharing expertise and promoting development best practices across the team

Must Have:

• Strong hands-on experience with Mendix development, ideally in enterprise environments, inluding a solid understanding of Mendix Studio Pro, Microflows, Domain Modeling, and Workflows
• Experience integrating applications using REST and/or SOAP services, with a good understanding of application architecture, security, and performance optimization
• Experience working in Agile environments, with excellent communication and stakeholder management skills
• Ability to work independently, take ownership of tasks, and actively contribute during transition and knowledge transfer activities
• Regular use of AI tools to improve productivity, automate or reduce repetitive work, support decision-making, and deliver higher-quality outcomes
• Ability to use AI tools responsibly by structuring effective prompts, critically validating outputs, understanding limitations, and taking ownership of the final result

Nice to Have

• Experience with Java and custom Mendix extensions
• Experience with CI/CD pipelines and DevOps practices
• Experience with cloud environments (Mendix Cloud, Azure, AWS)
• Mendix certifications

As a people-first organisation, we believe diversity strengthens our teams and drives innovation. All employment decisions are based on merit, skills, and performance, without discriminating based on any personal characteristic. This reinforces our commitment to providing an inclusive and respectful workplace.

At Accesa you can

Enjoy our holistic benefits program that covers the four pillars that we believe come together to support our wellbeing, covering social, physical, emotional wellbeing, as well as work-life fusion.

• Physical Wellbeing: Our wellbeing program includes medical benefits, gym support, and personalised fitness options for an active lifestyle, complemented by team events and the Healthy Habits Club.
• Work-Life Fusion: In very dynamic industries such as IT, the line between our professional and personal lives can quickly become blurred. Having a one-size-fits-one approach gives us the flexibility to define the work-life dynamic that works for us.
• Emotional Wellbeing: We believe that to maintain our overall health, we need to invest in our mental wellbeing just as much as we do in our physical health, social connections or in achieving work-life balance.
• Social Wellbeing: As a growing community in a hybrid environment, we want to ensure we remain connected not just by the great work we do every day but through our passions and interests.