Senior Data Platform Architect

We’re not looking for just another data architect. We’re looking for someone who can design, build and own the data backbone that moves Connex forward fast.

Can you get us forward, fast?

  • A fascinating, dynamic and international trading environment you can grow with.
  • Room to shape architecture, standards and the future of data at Connex.
  • € 5.500 – € 7.700 & benefits package, like 30 vacation days.

Ready to energize the future of data and have fun doing so?

What are you going to do

As Senior Data Platform Architect, you are responsible for designing and leading Connex’s enterprise data platform, including the design and ownership of the enterprise data warehouse. You translate complex business requirements into robust, scalable data models and integrations that power analytics, reporting and future AI/ML use cases.

You work hands-on at the core of our data landscape, with TimeXtender as the orchestration layer and Azure-based data warehousing. From data ingestion to semantic models, you own the architecture end-to-end.

You collaborate closely with business stakeholders, data engineers and analytics users, ensuring that Connex’s data is reliable, traceable and ready for growth.

In this role, you directly contribute to Connex’s success and scalability. Stay curious, take ownership and never forget to enjoy the ride.

Your responsibilities

Data architecture and modelling
Translate business requirements into robust, scalable data models supporting analytics, reporting, and operational use cases. This includes dimensional modelling and snowflake design using fact tables, dimension tables, surrogate keys and slowly changing dimensions.

Data warehouse implementation and orchestration
Design and lead data warehouse implementations covering source ingestion, data transformations, business logic, semantic layer automation, scheduling, and deployment.

Data integration
Define and support data integrations using REST APIs, OData, and file-based ingestion such as CSV, XML, and JSON, including transparency in data lineage and reference data usage.

Evaluation of data reliability and data quality
Diagnose and resolve integration issues across source systems, the data platform, and consuming applications while ensuring data consistency, quality, and traceability.

Database and ETL performance
Perform performance tuning, query optimisation, and debugging at the database and ETL level.

Master data and future readinesss
Support and integrate Master Data Management initiatives with the data warehouse and prepare data for future ML and AI developments.

Who you are

You are a senior hands-on data architect who enjoys working close to the core data platform. You like ownership structure and solving complex puzzles and you understand how good architecture translates into better decisions.

You feel comfortable taking the lead while still rolling up your sleeves.

What you bring

  • Proven hands-on work with TimeXtender or Microsoft Fabric, with a clear preference for TimeXtender
  • Comfortable working with data sources, transformations, semantic layers and automation
  • Solid background in data modelling and enterprise data warehousing
  • Advanced proficiency in SQL for data transformations, performance tuning and query optimization
  • Hands-on involvement in system integrations using APIs, OData and file-based ingestion
  • Familiarity with common file ingestion patterns
  • Deep understanding of dimensional modelling and star schemas
  • Proven ability to design fact and dimension models, including hierarchies, surrogate keys and slowly changing dimensions
  • Practical exposure to Master Data Management initiatives
  • Experience integrating data warehouses with MDM solutions
  • Ability to align reference and masterdata across systems
  • Excellent communication skills in English

Nice to haves:

  • Familiar with Power BI or similar analytics tools from a data modelling perspective
  • Understanding of metadata management, data lineage and data cataloging
  • Familiarity with data governance frameworks
  • Background in complex enterprise or multi-system environments

Who are we

Connex is a renewable feedstock trading company. We are part of the solution, bridging the gap between renewable feedstock and fuel. In a world where fuel consumption continues to grow, the call for a sustainable energy transition grows with it. The potential of renewable feedstocks has already been proven. It is our business to find the right, reliable source and lead the way in delivering reductive solutions. Our focus is on bringing clients together along the supply chain. We connect, supply, support, and deliver.

Our business is a dynamic scale-up environment. You can be part of the transition, with a lot of freedom, ownership and personal space to grow in our fast-moving business. Connex is committed to growing the company rapidly and is seeking people who enjoy high energy and a fast-paced environment.

Does this apply to you, too? We dare you to energize our team by keeping the wheels turning, taking ownership and growing with us.

What do we offer

  • A dynamic and international environment with real impact
  • A key role in shaping Connex data architecture and future roadmap
  • Freedom and ownership in how you structure your work
  • A personal development plan aligned with your ambitions
  • Highly skilled, ambitious and fun colleagues
  • Sustainability and business ethics are at the core of everything we do


Are you ready to energize the future and make a difference?

Location: Rotterdam
Employment: Fulltime (40u)
Indication: € 5.500 – € 7.700

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Six steps from applying to energizing

  1. Your application
    Tell (and maybe show) us who you are with your resume and cover letter.
  2. Online pre interview
    A first hello. If we’re enthusiastic or curious, we happily invite you to:
  3. Interview Day
    Your first interview today is a formal introduction to each other and our shared ambitions. The second is about shared objectives in a meeting with colleagues.
  4. … Optional Talent Match Assessment
    Ambition, skills, business and energy brought together in an assessment
  5. Contract
    We speed up the energy transition …and our contract administration:
    If we are a winning match we will send you a (concept) contract.
  6. Onboarding
    We both agree, we both sign and we start energizing the future together!

Contact us

Our colleague Suzan Boshuizen will helpfully answer all of your questions. Anyone in your network that might fit this application? Don’t be shy.
Hi Recruiter, nice of you to visit us online. But don’t bother, we’re fine!
Apply now

Six steps from applying to energizing

  1. Your application
    Tell (and maybe show) us who you are with your resume and cover letter.
  2. Online pre interview
    A first hello. If we’re enthusiastic or curious, we ask you to fill a:
  3. Talent Match Assessment
    Ambition, skills, business and energy brought together in an assessment.
  4. Match Day – 9th october
    Match Day isn’t your typical job interview—it’s an energizing field trip of exploring our work environment, and most importantly, engaging in (in)formal conversation to see if we’re the right fit for each other.
  5. Contract
    We speed up the energy transition …and our contract administration: If we are a winning match we will send you a (concept) contract.
  6. Onboarding
    We both agree, we both sign and we start energizing the future together!

Contact us

Our colleague Suzan Boshuizen will helpfully answer all of your questions. Anyone in your network that might fit this application? Don’t be shy.
Hi Recruiter, nice of you to visit us online. But don’t bother, we’re fine!
Apply now