Salesforce Developer (Mendix)

Expereo; Amsterdam; On-site; EUR 60,000 - 85,000; Full time

Job summary

Expereo is seeking a Mendix Developer to join a cross‑functional squad responsible for lead‑to‑cash and service processes on the Mendix platform. You will design, build, and optimize Mendix solutions that unify Expereo's global commercial engine, from supplier onboarding to order fulfillment and billing.

The role emphasizes translating complex business scenarios into scalable Mendix implementations, with collaboration across product, architects, and backend engineering to deliver measurable

Qualifications

• Mendix Developer with 3+ years of hands‑on experience.
• Experience integrating Mendix with external systems via REST/SOAP APIs.
• Proven Git and CI/CD usage, automated testing, and code reviews.
• Ability to work in cross‑functional, outcome‑driven squads.
• Strong problem‑solving skills and translating business needs into Mendix solutions.

Responsibilities

• Design, build, and maintain scalable Mendix applications for lead‑to‑cash and service processes.
• Implement integrations between Mendix and backoffice systems (e.g., Salesforce) via REST/SOAP APIs.
• Develop secure, testable workflows and support CI/CD pipelines for Mendix deployments.
• Collaborate with Product, Architecture and Backend to deliver incremental value.

Skills

Mendix

REST APIs

Git & CI/CD

Cross-functional teamwork

Problem solving

Tools

Mendix Studio Pro

Salesforce (Nice to have)

Job description

We are the Intelligent Internet Platform. We connect People, Places and Things anywhere, managing Internet Performance better than anyone else, while providing One Global Experience, giving Visibility, Control and Security through expereoOne. Expereo believes in the power of Internet connectivity. As the world's largest provider of managed internet, SD-WAN/SASE, and Cloud connectivity solutions, we power enterprises and government sites worldwide, helping to enhance every business' productivity with flexible and optimal Internet performance. As a trusted partner of Fortune 500 enterprises and carriers, our continued aim and success in helping both our customers and partners depends solely on the talented individuals that make Expereo a dynamic, effective, multicultural, and equitable environment. About the role Expereo is building a new Digital Office to accelerate its transformation through the Single-Threaded Owner (STO) model, creating outcome‑oriented, full‑stack product teams across the Commercial XP and In‑Life XP domains.

As a Mendix Developer, you will be part of a cross‑functional squad that owns mission‑critical lead‑to‑cash and service processes on the Mendix platform, enabling automation, observability, and repeatability at scale in Quoting and Supplier engagement. You will design, build, and optimize Mendix solutions that unify Expereo's global commercial engine, from Supplier Onboarding to CPQ to order fulfillment and billing. This role is ideal for developers who enjoy translating complex business scenarios into robust, scalable Mendix implementations and who thrive in impact‑driven teams focused on measurable outcomes.

Key Responsibilities

Mendix solution design & delivery

• Design, develop, and maintain scalable Mendix applications that support Expereo's global lead to cash and service processes.
• Implement customizations and configuration to meet business requirements while respecting Mendix best practices and governor limits.
• Translate user and business requirements into technical designs, including data models, integrations, and security model, and ensure these designs are documented and reviewed with architects and stakeholders.

Automation, integration & APIs

• Build and maintain integrations between Mendix and Expereo's backoffice systems, including Salesforce, using REST APIs, middleware, and platform events, following established Expereo patterns.
• Design and optimize data flows and sync processes to ensure data quality, consistency, and observability across the commercial and operational landscape.

Quality, security & DevOps

• Write clean, testable and reusable Mendix Workflows with appropriate test coverage, supporting CI/CD pipelines for Mendix deployments (e.g., using Gitbased workflows and automated validation).
• Apply security and compliance best practices on the Mendix platform, including rolebased access control, fieldlevel security, and secure integration patterns.
• Monitor, troubleshoot, and optimize Mendix performance and reliability, collaborating with SRE/DevOps and backend teams to improve observability and incident response.

Collaboration & innovation

• Work closely with Product Managers, architects, business stakeholders, and other engineers in STO squads to refine requirements, prioritize work, and deliver incremental value.
• Contribute to Mendix development standards, patterns, and guardrails, helping other teams adopt reference implementations and shared components.
• Support innovation initiatives such as AIassisted workflows, advanced quoting and connectivity products built on Mendix and related platforms.

Must have

• Proven experience as a Mendix Developer (typically 3+ years) with strong understanding of core Mendix practices.
• Experience integrating Mendix with external systems using REST/SOAP APIs, middleware, or event driven architectures, ideally in an enterprise B2B environment.
• Familiarity with modern software engineering practices such as version control (Git), CI/CD for Mendix, automated testing, and code review processes.
• Ability to work in cross-functional, outcome-driven teams, collaborating effectively with product, architecture, and backend engineering stakeholders.
• Strong problem-solving skills, with the ability to break down complex commercial and operational workflows into maintainable Mendix solutions.

Nice to have

• Experience with telecommunications or connectivity businesses, or with complex, multicomponent B2B products and quoting/billing scenarios.
• Exposure to low-code platforms and adjacent tools used at Expereo (e.g., Salesforce, ServiceNow) and how they interact with Mendix.
• Experience in programming in Java, .NET or some other object-oriented back-end technology.
• Very good skills in HTML5/JavaScript/CSS as well as some JavaScript-based front-end framework (preferably React).
• Familiarity with AI assisted capabilities on Mendix (Einstein, agentic workflows) or constraint solving/data driven architectures.
• Mindset Builder mentality