> Markdown version of [/jobs/ext/2784163-functional-analyst-api-data-integration](https://www.wearedevelopers.com/jobs/ext/2784163-functional-analyst-api-data-integration). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md).

---

# Functional Analyst - API & Data Integration

- **Company:** Editx Bv
- **Location:** Anderlecht, Belgium
- **Experience:** Experienced
- **Contract:** Permanent contract
- **Skills:** Application Programming Interfaces (APIs), Confluence, JIRA, Business Process Model and Notation, Software Bug Management, Data Integration, Entity Relationship Models, JSON, Swagger, Systems Integration, UML, Extensible Markup Language (XML), Openapi, System Availability, SOAPAPI, Low Latency, Restful APIs
- **Published:** September 8, 2026
- **Apply:** https://europa.eu/eures/portal/jv-se/jv-details/YmE4ZGZmNWItYjI0MS00NjU4LThjNjUtMmY1MjE4ODE2ZDU2IDM?lang=en

## About the Role

* 3+ years of professional experience in functional analysis, including the production of user stories, acceptance criteria, and business rules.
 * You possess professional experience specifying system-to-system integrations using REST APIs, SOAP APIs, JSON, and XML.
 * You bring a proven ability to write SQL queries independently for data investigation and defect qualification.
 * You have experience using Atlassian JIRA and Confluence to author and maintain technical specifications.
 * You possess knowledge of non-functional constraints such as latency, throughput, and system availability.
 * You're experienced in working within a delivery model where functional analysis is distinct from business analysis.
 * You are fluent in English at a C1 level with at least B2 level proficiency in Dutch or French.

Nice to Haves

 * Knowledge of modeling notations such as BPMN or UML.
 * Experience with API contract design using OpenAPI or Swagger.
 * Familiarity with conceptual and logical data modelling and entity-relationship analysis.
 * Participation in defect triage and test preparation within complex environments.

## Description

* Review incoming business and user requirements to ensure completeness, consistency, and technical feasibility.
 * Translate business needs into detailed functional specifications, including user stories, acceptance criteria, and system behavior.
 * Specify system-to-system integrations, including interface payloads, error handling, and non-functional performance constraints.
 * Collaborate with architects, developers, and testers to maintain clarity and resolve implementation questions.
 * Maintain project documentation and support defect review and User Acceptance Testing campaigns.
 * Perform data investigations and validate business rules by directly querying systems.


## Related Videos

- [Tips and Tricks for Working with JSON](https://www.wearedevelopers.com/videos/1229-tips-and-tricks-for-working-with-json)
- [ChatGPT and Java: A Match Made in Heaven or Hell?](https://www.wearedevelopers.com/videos/536-chatgpt-and-java-a-match-made-in-heaven-or-hell)
- [Improving quality with Agentic AI with Rovo Dev and Xray](https://www.wearedevelopers.com/videos/2005-improving-quality-with-agentic-ai-with-rovo-dev-and-xray)
- [Why make use of an integration platform in today's software developments and infrastructure?](https://www.wearedevelopers.com/videos/758-why-make-use-of-an-integration-platform-in-today-s-software-developments-and-infrastructure)
- [Integrate your Cognitive Assistant with 3rd-party DBs and software](https://www.wearedevelopers.com/videos/249-integrate-your-cognitive-assistant-with-3rd-party-dbs-and-software)
- [Introducing JSON Structure](https://www.wearedevelopers.com/videos/100219-introducing-json-structure)

## Related Articles

- [The Most Popular IT Jobs on the Market](https://www.wearedevelopers.com/magazine/376-the-most-popular-it-jobs-on-the-market)
- [How to land a developer job in Amsterdam](https://www.wearedevelopers.com/magazine/36-how-to-land-a-developer-job-in-amsterdam)
- [Software Developer Salary in The Netherlands [2023]](https://www.wearedevelopers.com/magazine/217-software-developer-salary-in-the-netherlands-2023)
- [How to Find Tech Jobs in Amsterdam](https://www.wearedevelopers.com/magazine/279-how-to-find-tech-jobs-in-amsterdam)
- [The 12 Best Jobs for Software Engineers](https://www.wearedevelopers.com/magazine/401-the-12-best-jobs-for-software-engineers)
- [The Netherlands – Europe’s powerhouse for software development?](https://www.wearedevelopers.com/magazine/31-the-netherlands-europe-s-powerhouse-for-software-development)