backend developer English-speaking jobs in Gelsenkirchen

Are you passionate about clean energy, smart solutions, and cutting-edge technology? Join Anker SOLIX, where we are redefining balcony energy storage for every home with world-class quality and innovation. Proudly a part of Anker’s global brand—trusted by millions—we empower homeowners to harness the power of the sun with safety, reliability, and style.

Your Mission In your Accounting assistant role, you will assist the Financial director on · Pre-accounting of the Invoices · Follow-up of Customer/Supplier Invoices · Initiate payments · Bank reconciliation · Relationship with external accounting provider You will also assist the Administrative teams on financial day-to-day tasks like : · Follow-up and reminders of unpaid premiums · Premium

Content Marketing intern Are you searching for a position that will inspire you creatively and allow you to learn from the best? Well, you have come to the right place! Become a core member of the DPDK marketing team as a Content Marketing Writing Intern!

We are seeking an experienced Marketing & Trade Marketing Manager to lead strategic initiatives across brand, product, and customer marketing in the European market. This role is ideal for a proactive and analytical marketer with a passion for driving brand visibility and category growth. Key Responsibilities: Develop and manage local product portfolio strategies aligned with global guidelines.

You are talented, motivated and ambitious? Then, we will be more than happy to meet you! ARHS Group - Part of Accenture is looking for a Kafka DevOps Engineer (m/f), to join its team at the client. As a Kafka DevOps Engineer (m/f), you will be responsible for implementing, and maintaining Kafka infrastructure to ensure high availability, scalability, and performance.

Our client, a leading global multinational information technology services and consulting company, is recruiting a MuleSoft Technical Architect to join their business in the Netherlands.

E-Frontiers is looking for IoT Engineers to join one of our clients in Germany, a product company willing to transform traditional parking management with cutting-edge technology.

Senior Grid Engineer Remote with MULTIPLE offices across Germany. Up to €100,000 DOE (+ bonus + company car). Global IPP, looking to grow their German grid division. My client has over 25 years of experience in the renewable energy sector, making them a leading business across wind, solar, and hydrogen power. With over €3 billion invested in renewable assets so far, they are growing rapidly!

Project Description: The ROCm Communication Collectives Library (RCCL) is a stand-alone library that provides multi-GPU and multi-node collective communication primitives optimized for AMD GPUs. It uses PCIe and xGMI high-speed interconnects.

About the Role A fast-growing European CDMO is seeking a Chief Financial Officer to lead financial strategy and operations across its multi-site manufacturing network. With a focus on growth, M&A integration, and operational efficiency, the CFO will play a key role in driving performance in a regulated and fast-paced industry.

Regulatory tasks Generation of technical documentation (TDS, SDS, Halal statement) Filling in customer questionnaires Provide technical documentation to our customers in a timely manner. Provide regulatory assistance to key members of staff.

My client who are one of the worlds leading companies in 3D printing technology are looking for a senior manufacturing engineer to play a pivotal part in the design and optimisation of the companies 3D printers.

Head of Digital & Customer Experience (m/f/n) Department: Customers, Innovation & Digital | Location: Merl | Contract: Permanent | Job Requisition N°19565 Your tasks You develop and implement comprehensive digital and customer experience roadmap that aligns with the company’s customer-centric strategy You lead the design and optimisation of end-to-end digital customer journeys, enhance usabilit

Job Title: Senior SAP SD Consultant Location: Munich, Germany Work Model: Hybrid (2 days remote / 3 days onsite) About Us: We are a globally recognized company with a presence in over 60 countries. Our commitment to innovation and excellence drives our operations as we seek to enhance our SAP capabilities and lead transformative projects.

At T-Systems, you will find groundbreaking projects that contribute to social and ecological well-being. We want to welcome new talents like you, who bring fresh ideas, different points of view, who accept challenges and continuous learning, to grow and impact society All this, in a fun way! It doesn't matter when or where you work. It's about doing work that matters to move society forward.

Dynamics CE Software Team Lead (Tech stack: . NET 8/9, C#, ASP. NET Core, Azure, Azure DevOps, Microsoft Dynamics CE / CRM (Sales, Customer Service, Customer Insights), Scrum, Softwareentwickler, Entwickler, Teamleiter, Lead Developer) Do you want to lead a high-performing engineering team while remaining hands-on with modern Microsoft technologies?

Your Tasks Investigating neural dynamics and coding that organize the activity of neural circuits underpinning instinctive (innate) behaviors Perform experiments using in vivo electrophysiology, opto-, chemogenetics and analyze data Perform data processing and signal analysis to identify patterns of network oscillations Work closely with our research team to discuss findings and plan further studi

Lead Data scientist - Equity-Only role 1% About Luupli Luupli is a social media app 'in-development', which will provide opportunities for diverse creators coming from marginalized communities. Luupli will highlight the work of diverse creators and provide them access to all the opportunities in the social media space.

UAS Certification Engineer (d/f/m)** Your benefits** ~ Attractive salary and special payments ~30 days paid vacation and extra days-off for special occasions ~ Excellent upskilling opportunities and great international, group wide development prospects ~ Special benefits: employer-funded pension, employee stock options, discounted car leasing, special conditions for insurances, subsidies for publi

Business Analyst - Supply Chain Location: Murcia (Spain) Salary: €64,935 + extensive benefits Work Pattern: 4 days per week on-site Travel: International travel required About the Role An exciting opportunity has arisen for a Business Analyst - Supply Chain to join a dynamic and forward-thinking team.