Junior Data Engineer — Opportunihub
Job

Junior Data Engineer

Reeeliance · Hamburg

At a glance

Type
Job
Organisation
Reeeliance
Location
Hamburg
Work mode
On-site
Deadline
Rolling / not stated
Posted
19 Sep 2026

About this job

<br><strong>About the role</strong><p><p style="line-height:1.2;text-align:justify;margin-top:0pt;margin-bottom:0pt;"><span style="font-size:12px;font-family:Verdana, Geneva, sans-serif;color:rgb(0,0,0);background-color:transparent;font-weight:400;font-style:normal;text-decoration:none;">Data is undeniably one of the world's most valuable resources. However, it's futile if it's not in the right place or the right setup. We strive to place data where it's needed most and can be used to its fullest potential.</span></p><span style="font-family:Verdana, Geneva, sans-serif;font-size:12px;color:rgb(0,0,0);"><br></span><p style="line-height:1.2;text-align:justify;margin-top:0pt;margin-bottom:11.25pt;"><span style="font-size:12px;font-family:Verdana, Geneva, sans-serif;color:rgb(0,0,0);background-color:transparent;font-weight:400;font-style:normal;text-decoration:none;">Become a valued member of our data integration team and start your journey building scalable data architectures and fast data pipelines for our multinational clients. Our use cases range from data warehouse and lakehouse architecture implementations over IoT and data streaming setups to sophisticated AI scenarios, in industries ranging from manufacturing, consumer products, and healthcare to banking and insurance, just to name a few.</span></p></p><br><strong> Your responsibilities</strong><p><ul style="margin-top:0;margin-bottom:0;"><li style="list-style-type:disc;font-size:12px;font-family:Verdana, Geneva, sans-serif;color:rgb(0,0,0);background-color:transparent;font-weight:400;font-style:normal;text-decoration:none;margin-left:-6pt;"><p style="line-height:1.2;text-align:justify;margin-top:0pt;margin-bottom:0pt;"><span style="color:rgb(0,0,0);background-color:transparent;font-weight:400;font-style:normal;text-decoration:none;">You will support the team in designing, building, and maintaining data pipelines according to client business needs and embedding them end-to-end into the given data stack</span></p></li><li style="list-style-type:disc;font-size:12px;font-family:Verdana, Geneva, sans-serif;color:rgb(0,0,0);background-color:transparent;font-weight:400;font-style:normal;text-decoration:none;margin-left:-6pt;"><p style="line-height:1.2;text-align:justify;margin-top:0pt;margin-bottom:0pt;"><span style="color:rgb(0,0,0);background-color:transparent;font-weight:400;font-style:normal;text-decoration:none;">On this role, you will assist in maintaining and optimizing data infrastructure required for data extraction, transformation, and loading (ETL/ELT) from a wide variety of data sources</span></p></li><li style="list-style-type:disc;font-size:12px;font-family:Verdana, Geneva, sans-serif;color:rgb(0,0,0);background-color:transparent;font-weight:400;font-style:normal;text-decoration:none;margin-left:-6pt;"><p style="line-height:1.2;text-align:justify;margin-top:0pt;margin-bottom:0pt;"><span style="color:rgb(0,0,0);background-color:transparent;font-weight:400;font-style:normal;text-decoration:none;">As a junior Data Engineer, you will build, test, and deploy data artifacts on cloud platforms using modern version control best practices</span></p></li><li style="list-style-type:disc;font-size:12px;font-family:Verdana, Geneva, sans-serif;color:rgb(0,0,0);background-color:transparent;font-weight:400;font-style:normal;text-decoration:none;margin-left:-6pt;"><p style="line-height:1.2;text-align:justify;margin-top:0pt;margin-bottom:0pt;"><span style="color:rgb(0,0,0);background-color:transparent;font-weight:400;font-style:normal;text-decoration:none;">You will collaborate with senior engineers to ensure data accuracy, integrity, privacy, security, and compliance by applying data quality assurance methods</span></p></li><li style="list-style-type:disc;font-size:12px;font-family:Verdana, Geneva, sans-serif;color:rgb(0,0,0);background-color:transparent;font-weight:400;font-style:normal;text-decoration:none;margin-left:-6pt;"><p style="line-height:1.2;text-align:justify;margin-top:0pt;margin-bottom:0pt;"><span style="color:rgb(0,0,0);background-color:transparent;font-weight:400;font-style:normal;text-decoration:none;">Monitoring data pipeline performance and assisting in identifying opportunities for pipeline optimization</span></p></li><li style="list-style-type:disc;font-size:12px;font-family:Verdana, Geneva, sans-serif;color:rgb(0,0,0);background-color:transparent;font-weight:400;font-style:normal;text-decoration:none;margin-left:-6pt;"><p style="line-height:1.2;text-align:justify;margin-top:0pt;margin-bottom:0pt;"><span style="color:rgb(0,0,0);background-color:transparent;font-weight:400;font-style:normal;text-decoration:none;">In this role, you will work closely together with both reeeliance and client staff as part of an agile project team</span></p></li></ul></p><br><strong>Our requirements</strong><p><ul style="margin-top:0;margin-bottom:0;"><li style="list-style-type:disc;font-size:12px;font-family:Verdana, Geneva, sans-serif;color:rgb(0,0,0);background-color:transparent;font-weight:400;font-style:normal;text-decoration:none;margin-left:-6pt;"><p style="line-height:1.2;text-align:justify;margin-top:0pt;margin-bottom:0pt;"><span style="color:rgb(0,0,0);background-color:transparent;font-weight:400;font-style:normal;text-decoration:none;">Solid foundational knowledge of data modeling concepts and modern data warehousing architectures</span></p></li><li style="list-style-type:disc;font-size:12px;font-family:Verdana, Geneva, sans-serif;color:rgb(0,0,0);background-color:transparent;font-weight:400;font-style:normal;text-decoration:none;margin-left:-6pt;"><p style="line-height:1.2;margin-top:0pt;margin-bottom:0pt;"><span style="color:rgb(0,0,0);background-color:transparent;font-weight:400;font-style:normal;text-decoration:none;">Proficiency in Python and strong SQL skills for querying and manipulating complex datasets</span></p></li><li style="list-style-type:disc;font-size:12px;font-family:Verdana, Geneva, sans-serif;color:rgb(0,0,0);background-color:transparent;font-weight:400;font-style:normal;text-decoration:none;margin-left:-6pt;"><p style="line-height:1.2;margin-top:0pt;margin-bottom:0pt;"><span style="color:rgb(0,0,0);background-color:transparent;font-weight:400;font-style:normal;text-decoration:none;">Hands-on experience with Git for version control and collaborative development</span></p></li><li style="list-style-type:disc;font-size:12px;font-family:Verdana, Geneva, sans-serif;color:rgb(0,0,0);background-color:transparent;font-weight:400;font-style:normal;text-decoration:none;margin-left:-6pt;"><p style="line-height:1.2;margin-top:0pt;margin-bottom:0pt;"><span style="color:rgb(0,0,0);background-color:transparent;font-weight:400;font-style:normal;text-decoration:none;">Practical exposure to or understanding of working within cloud environments (such as Azure or AWS)</span></p></li><li style="list-style-type:disc;font-size:12px;font-family:Verdana, Geneva, sans-serif;color:rgb(0,0,0);background-color:transparent;font-weight:400;font-style:normal;text-decoration:none;margin-left:-6pt;"><p style="line-height:1.2;margin-top:0pt;margin-bottom:0pt;"><span style="color:rgb(0,0,0);background-color:transparent;font-weight:400;font-style:normal;text-decoration:none;">Eagerness to learn new ETL/ELT tools, cloud technologies, and software engineering practices</span></p></li><li style="list-style-type:disc;font-size:12px;font-family:Verdana, Geneva, sans-serif;color:rgb(0,0,0);background-color:transparent;font-weight:400;font-style:normal;text-decoration:none;margin-left:-6pt;"><p style="line-height:1.2;margin-top:0pt;margin-bottom:0pt;"><span style="color:rgb(0,0,0);background-color:transparent;font-weight:400;font-style:normal;text-decoration:none;">Strong problem-solving attitude and an enthusiastic, proactive approach to learning</span></p></li><li style="list-style-type:disc;font-size:12px;font-family:Verdana, Geneva, sans-serif;color:rgb(0,0,0);background-color:transparent;font-weight:400;font-style:normal;text-decoration:none;margin-left:-6pt;"><p style="line-height:1.2;margin-top:0pt;margin-bottom:0pt;"><span style="color:rgb(0,0,0);background-color:transparent;font-weight:400;font-style:normal;text-decoration:none;">Ability to work both independently on delegated tasks and collaboratively within agile project teams</span></p></li><li style="list-style-type:disc;font-size:12px;font-family:Verdana, Geneva, sans-serif;color:rgb(0,0,0);background-color:transparent;font-weight:400;font-style:normal;text-decoration:none;margin-left:-6pt;"><p style="line-height:1.2;margin-top:0pt;margin-bottom:0pt;"><span style="color:rgb(0,0,0);background-color:transparent;font-weight:400;font-style:normal;text-decoration:none;">A university degree in Computer Science, Information Technology, or a related discipline (or equivalent practical experience)</span></p></li><li style="list-style-type:disc;font-size:12px;font-family:Verdana, Geneva, sans-serif;color:rgb(0,0,0);background-color:transparent;font-weight:400;font-style:normal;text-decoration:none;margin-left:-6pt;"><p style="line-height:1.2;margin-top:0pt;margin-bottom:0pt;"><span style="color:rgb(0,0,0);background-color:transparent;font-weight:400;font-style:normal;text-decoration:none;">Articulate with impeccable verbal and written communication skills in German (C1 level) and English (B2 level). Strong &amp; discerning listener</span></p></li></ul></p><br><strong>What we offer</strong><p><ul style="margin-top:0;margin-bottom:0;"><li style="list-style-type:disc;font-size:12px;font-family:Verdana, Geneva, sans-serif;color:rgb(0,0,0);background-color:transparent;font-weight:400;font-style:normal;text-decoration:none;margin-left:-6pt;"><p style="line-height:1.2;margin-top:0pt;margin-bottom:0pt;"><span style="color:rgb(0,0,0);background-color:transparent;font-weight:400;font-style:normal;text-decoration:none;">Space to grow: Taking ownership in international projects while continuously expanding your skills</span></p></li><li style="list-style-type:disc;font-size:12px;font-family:Verdana, Geneva, sans-serif;color:rgb(0,0,0);background-color:transparent;font-weight:400;font-style:normal;text-decoration:none;margin-left:-6pt;"><p style="line-height:1.2;margin-top:0pt;margin-bottom:0pt;"><span style="color:rgb(0,0,0);background-color:transparent;font-weight:400;font-style:normal;text-decoration:none;">Mentorship and Onboarding: Structured introduction supported by dedicated mentor</span></p></li><li style="list-style-type:disc;font-size:12px;font-family:Verdana, Geneva, sans-serif;color:rgb(0,0,0);background-color:transparent;font-weight:400;font-style:normal;text-decoration:none;margin-left:-6pt;"><p style="line-height:1.2;margin-top:0pt;margin-bottom:0pt;"><span style="color:rgb(0,0,0);background-color:transparent;font-weight:400;font-style:normal;text-decoration:none;">Cutting-edge workspace: Work with the latest technology and modern equipment to drive innovative solutions</span></p></li><li style="list-style-type:disc;font-size:12px;font-family:Verdana, Geneva, sans-serif;color:rgb(0,0,0);background-color:transparent;font-weight:400;font-style:normal;text-decoration:none;margin-left:-6pt;"><p style="line-height:1.2;margin-top:0pt;margin-bottom:0pt;"><span style="color:rgb(0,0,0);background-color:transparent;font-weight:400;font-style:normal;text-decoration:none;">Long-term stability: A permanent employment in a family-oriented and people-focused company</span></p></li><li style="list-style-type:disc;font-size:12px;font-family:Verdana, Geneva, sans-serif;color:rgb(0,0,0);background-color:transparent;font-weight:400;font-style:normal;text-decoration:none;margin-left:-6pt;"><p style="line-height:1.2;margin-top:0pt;margin-bottom:0pt;"><span style="color:rgb(0,0,0);background-color:transparent;font-weight:400;font-style:normal;text-decoration:none;">Diverse &amp; inclusive environment: Join a truly international environment and collaborate daily with teammates from over 15 different nationalities</span></p></li><li style="list-style-type:disc;font-size:12px;font-family:Verdana, Geneva, sans-serif;color:rgb(0,0,0);background-color:transparent;font-weight:400;font-style:normal;text-decoration:none;margin-left:-6pt;"><p style="line-height:1.2;margin-top:0pt;margin-bottom:0pt;"><span style="color:rgb(0,0,0);background-color:transparent;font-weight:400;font-style:normal;text-decoration:none;">Balance matters or work-life harmony: A work schedule designed to promote well-being and productivity</span></p></li><li style="list-style-type:disc;font-size:12px;font-family:Verdana, Geneva, sans-serif;color:rgb(0,0,0);background-color:transparent;font-weight:400;font-style:normal;text-decoration:none;margin-left:-6pt;"><p style="line-height:1.2;margin-top:0pt;margin-bottom:0pt;"><span style="color:rgb(0,0,0);background-color:transparent;font-weight:400;font-style:normal;text-decoration:none;">Team culture &amp; connection: Social events and structured team-building days held in Berlin and Hamburg</span></p></li><li style="list-style-type:disc;font-size:12px;font-family:Verdana, Geneva, sans-serif;color:rgb(0,0,0);background-color:transparent;font-weight:400;font-style:normal;text-decoration:none;margin-left:-6pt;"><p style="line-height:1.2;margin-top:0pt;margin-bottom:0pt;"><span style="color:rgb(0,0,0);background-color:transparent;font-weight:400;font-style:normal;text-decoration:none;">Language courses: Learn, improve or practice your conversational skills on language platform Lingoda</span></p></li><li style="list-style-type:disc;font-size:12px;font-family:Verdana, Geneva, sans-serif;color:rgb(0,0,0);background-color:transparent;font-weight:400;font-style:normal;text-decoration:none;margin-left:-6pt;"><p style="line-height:1.2;margin-top:0pt;margin-bottom:0pt;"><span style="color:rgb(0,0,0);background-color:transparent;font-weight:400;font-style:normal;text-decoration:none;">Never stop learning: You’ll receive a dedicated budget to industry-leading platforms like Udemy and MasterClass to sharpen your technical expertise and leadership skills</span></p></li><li style="list-style-type:disc;font-size:12px;font-family:Verdana, Geneva, sans-serif;color:rgb(0,0,0);background-color:transparent;font-weight:400;font-style:normal;text-decoration:none;margin-left:-6pt;"><p style="line-height:1.2;margin-top:0pt;margin-bottom:0pt;"><span style="color:rgb(0,0,0);background-color:transparent;font-weight:400;font-style:normal;text-decoration:none;">…and many other Job perks (childcare subsidy, company pension scheme, job bike, etc…)</span></p></li></ul></p><p>Find more <a href="https://www.arbeitnow.com/english-speaking-jobs">English Speaking Jobs in Germany</a> on Arbeitnow</a>

How to apply

  1. 1 Read the full details above and confirm you meet the eligibility criteria.
  2. 2 Prepare your documents — an updated CV, and any cover letter, proposal or certificates required.
  3. 3 Click Apply on official site to complete your application on Reeeliance’s official page.
  4. 4 Submit as early as possible — many close once filled.
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Frequently asked questions

How do I apply for Junior Data Engineer?

Review the full details and eligibility on this page, prepare your documents, then use the “Apply on official site” button to complete your application on Reeeliance’s official page.

Is this opportunity remote or location-based?

This opportunity is based in Hamburg. Check the official listing for any relocation or on-site requirements.

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