Survey Platform Engineer
Paris, France
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Blackfluo.ai
Survey Platform Engineer
Designing and maintaining open-source survey infrastructure for scalable, secure, and flexible data collection
Position Overview
We are seeking a Survey Platform Engineer to lead the deployment, configuration, and maintenance of open-source online questionnaire tools, with a primary focus on LimeSurvey. The role involves integrating survey platforms into broader data pipelines, ensuring accessibility, scalability, and data privacy, while enabling teams to easily design, distribute, and analyze survey instruments for research and operational needs.
Key Responsibilities
Survey Platform Management
- Deploy and maintain online survey systems using open-source tools such as LimeSurvey
- Configure custom themes, question types, and multilingual support for diverse survey needs
- Manage platform upgrades, security patches, user roles, and access controls
- Monitor platform health, performance, and availability in cloud or on-prem environments
Questionnaire Development Support
- Enable internal teams to design advanced surveys using logic flows, quotas, validation rules, and conditional branching
- Standardize survey templates and question banks to promote reuse and consistency
- Support import/export of questionnaires using LimeSurveys structure (LSS) and JSON APIs
- Assist with UX optimization for mobile, low-bandwidth, and multilingual contexts
Integration & Automation
I
ntegrate survey tools with existing data infrastructure (databases, APIs, metadata catalogs)- Automate data export and transformation workflows into downstream analytics platforms
- Set up webhooks and APIs to trigger events (e.g., email notifications, status updates)
- Develop scripts and middleware for secure data ingestion and pseudonymization
Data Governance & Compliance
- Ensure compliance with data protection regulations (e.g., GDPR) in survey data handling
- Implement survey-level access permissions and anonymization strategies
- Maintain audit logs and platform monitoring for transparency and reliability
- Develop and enforce policies for consent collection, data storage, and retention
Required Qualifications
Technical Skills
- 6+ years experience administering and customizing LimeSurvey or similar open-source survey platforms
- Familiarity with survey logic, branching, token-based participation, and multilingual design
- Experience with scripting languages (e.g., PHP, Python, JavaScript) for custom plugins and integrations
- Understanding of APIs (REST/JSON) for data access and external system integration
Infrastructure & Security
- Experience deploying web applications in Linux-based environments (e.g., Apache, Nginx)
- Working knowledge of databases (MySQL, PostgreSQL) used by survey platforms
- Familiarity with containerization (Docker) and CI/CD for platform deployment
- Understanding of web security principles (HTTPS, authentication, input validation)
Preferred Qualifications
- Degree in Computer Science, Information Systems, Survey Methodology, or related field
- Experience working in research, public health, education, or statistics-related environments
- Knowledge of survey metadata standards (DDI) or data collection frameworks (ODK, KoboToolbox)
- Experience with multilingual survey delivery, accessibility standards, and UX testing
- Contributions to open-source projects or plugins related to survey platforms
* Salary range is an estimate based on our AI, ML, Data Science Salary Index 💰
Tags: APIs CI/CD Computer Science Data governance Data pipelines Docker JavaScript JSON Linux MySQL Open Source PHP Pipelines PostgreSQL Privacy Python Research Security Statistics Survey data Testing UX
Perks/benefits: Flex hours
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