Senior Mendix Developer

Overview

Application Development & Architecture

• Design, build, and deploy Mendix applications using best-practice architecture
• and development patterns.
• Translate business requirements into scalable, maintainable, and high-quality
• Mendix solutions.
• Develop complex domain models, microflows, nanoflows, workflows,
• integrations, and UI components.
• Build custom components using java actions (written as per Java best practices
• & company conventions)
• Design and implement robust Mendix security models (user roles, module roles,
• entity access, page access, microflow access) strictly adhering to the principle
• of least privilege and Mendix security best practices.
• Ensure application performance, scalability, reliability, and compliance with
• enterprise performance standards.
• Conduct thorough code reviews to enforce quality, consistency, and
• maintainability.
• Implement robust auditing, logging, and monitoring mechanisms while
• championing true DevOps, BizDevOps, and SecDevOps principles throughout
• the application lifecycle
• Build productized modules that are reusable in other apps and projects
• Design and deliver robust Mendix mobile apps with emphasis on reliable offline
• synchronization, high performance, secure local data handling, custom native
• functionality, and streamlined iOS/Android build & deployment processes.

Integration & System Design

• Integrate Mendix applications with external systems via REST, SOAP, OData,
• Kafka, databases, identity providers (OIDC, Azure AD), etc.
• Design highly modular and reusable components (modules, microflows,
• nanoflows, snippets, document templates).
• Strong experience working with Mendix Building Blocks
• Collaborate with enterprise architects, infrastructure teams, and system owners
• to align solutions with the broader IT landscape.
• Lead technical discussions with external teams on security, network, and
• infrastructure topics.
• Engage in detailed technical discussions regarding published/consumed APIs
• (endpoints, versioning, authentication, rate limiting).
• Design, document, and publish APIs following REST/SOAP best practices
• Strong documentation discipline: clean/readable code, comprehensive in-app
• documentation, and complete handover/technical delivery documents (e.g.
• LLD,
• API documentation..etc) for clients

Leadership & Collaboration

• Mentor and coach junior and Intermediate-level Mendix developers on best
• practices and advanced techniques.
• Lead technical discussions, solution-design workshops, sprint planning, and
• refinement sessions.
• Work closely with product owners, business analysts, and stakeholders to clarify

requirements

• , refine user stories, and define acceptance criteria.
• Promote and enforce Mendix development best practices and reusable
• components.
• Provide accurate effort estimation for tasks, user stories, enhancements, and
• bug resolutions.

Technical Skills

• Mendix Advanced or Expert certification (Expert strongly preferred)
• 3+ years of experience developing Mendix applications
• Delivered Mendix applications into production (at least 1 complex application)
• Expert-level knowledge of domain modeling, microflows, nanoflows, security
• model, Java actions, JavaScript actions and Mendix best practices.
• Experience with Git-based development, CI/CD pipelines, and automated
• deployments.
• Strong experience with REST/SOAP web services, API design and documentation
• and API best practices.
• Proficient in leveraging AI tools (Copilot, Grok, ChatGPT, Maia) to accelerate
• development, debugging, documentation, design, and professional
• client/stakeholder communication.
• Proven ability to design and maintain comprehensive documentation (API, Low
• Level Design...etc).
• Proficient in Microsoft Word and Excel for documentation and reporting
• purposes.
• Strong Java and JavaScript proficiency for custom actions, debugging complex
• logic, and performance optimization.
• Advanced SQL skills including writing and optimizing complex queries, joins, and
• indexing.
• Hands-on experience with On-Premise environments and cloud environments
• (Mendix Cloud, Azure, or OpenShift environments).
• Solid understanding of Mendix architecture, integrations, APIs, and security
• concepts.
• Solid understanding of networking, certificates, firewalls, and proxy
• configurations in enterprise contexts.
• Performed multiple Mendix Major upgrades
• Strong expertise in Mendix Mobile: offline/sync logic, performance optimization,
• security, secure mobile storage/encryption, and managing app builds, signing,
• and store distribution.

Soft Skills

• Excellent analytical and problem-solving skills - particularly for complex
• integration and performance issues under tight deadlines - while remaining calm
• and positive during high-pressure situations or crises.
• Excellent verbal and written communication skills; ability to write clear,
• professional client emails and documentation and conduct client-facing
• discussions.
• Strong stakeholder-management and facilitation skills for workshops and
• requirement sessions.
• Thrives in agile/scaled-agile and waterfall environments; adept at managing
• scope, bridging customer expectations, and enforcing process in structured
• deliveries.
• Highly pro-active: identifies blockers, proposes solutions, and drives initiatives
• when progress slows down or new opportunities arise
• Proven ability to work independently while leading technical workstreams

Preferred Experience

• Previous experience leading Mendix development teams
• Experience with Mendix tools such as QSM
• Hands-on experience with containerization (Docker, Kubernetes) and private
• cloud Mendix deployments
• Participation in Mendix Capture the Flag (CTF) events or proven ability to
• demonstrate Mendix security vulnerability concepts.