developer English-speaking jobs in Mainz

Electrician responsible for maintenance, repair, installation, and commissioning of electrical systems. Requires completed vocational training as an electronics technician for industrial engineering and several years of practical experience. Must possess strong problem-solving skills and a safety-oriented work style. Proficiency in German and English is required.

Junior Operations Securities Manager will own daily reconciliation, settlement, and security transaction processes. Support analysis of corporate action events, communicate with external partners, and assist in developing scalable processes. Requires experience in securities services, brokerage, or asset management and fluency in German and English.

Student Assistant to support digital communications team in developing engaging content, campaigns, and strategies. Assist with content creation, campaign execution, website management, and performance tracking. Requires experience in digital communications, content writing, SEO, and proficiency in Canva, Adobe Creative Suite, and CMS platforms.

Provides administrative support to ESO Astronomy Faculty, Students, Fellows, and Visiting Scientists. Organizes colloquia, seminars, and talk series. Assists with travel and accommodation arrangements and supports the Science Visitor Programme. Contributes to the planning and execution of events for Fellows, Students, and Visitors. Prepares budget reports, compiles statistics, and maintains databases.

As Prototype Engineer Apparel, you will create physical garment prototypes, collaborating with cross-functional teams from ideation to manufacturing. You will cut, sew, and embellish samples, ensuring feasibility for production.

Lead and build a consulting team within Cognizant's Manufacturing Consulting practice in DACH. Manage and grow a customer base, develop innovative strategies, and deliver solutions for complex client situations. Requires domain experience in Manufacturing, proven consulting experience, and the ability to manage large complex programs. Fluency in English and German is essential.

Cloud Engineer needed for operation, monitoring, and development of Azure-based cloud services. Responsibilities include building and optimizing CI/CD pipelines, enhancing cloud architecture, and collaborating with product development and support. Requires knowledge of Azure, CI/CD, container technologies, monitoring tools, and SAP integration scenarios. German (C1+) and English (B2-C1) proficiency required.

Operations Assistant needed for a fast-paced food-tech company. Own daily kitchen operations, logistics, and order flow. Execute under pressure, work with teams, and gradually take on catering and sales responsibilities. Must have a valid EU driver's license (Class B) and fluency in English.

Leads and develops a finance team, responsible for main and subsidiary accounting, financial statement preparation, and reporting. Requires expertise in HGB, IFRS, tax law, and financial analysis.

Advises on safety and occupational health measures, prepares safety instructions, and conducts inspections to ensure compliance with OSHA standards. Implements safety programs, investigates accidents, and provides safety training to supervisors and employees. Serves as the facilities' technical expert on safety and environmental issues, including infrastructure and equipment modernization projects. Requires certification as a safety professional in accordance with paragraph 7 of the Arbeitssicherheitsgesetz (AsiG).

Build and lead the finance function of a cross-border aerospace, space, and defense group. Establish financial reporting, cash discipline, profitability visibility, and financing readiness. Manage monthly close, group reporting, treasury, budgeting, and forecasting. Drive pricing discipline, commercial finance, and margin expansion. Lead acquisitions, including due diligence, valuation, and post-merger integration.

As a Sales & Marketing Intern, you will support the planning and execution of marketing campaigns, create marketing materials, analyze market trends, and assist with event management. You will also maintain customer data, prepare reports, and collaborate with various departments.

IT Admin Team Lead will support employees with IT requests, maintain office network and systems, and manage IT projects. Responsibilities include resolving IT faults, onboarding/offboarding employees, managing IT budget, and overseeing IT equipment. Requires 5 years of experience as a Senior IT Admin or 2 years as an IT Team Lead, strong knowledge of hardware/software, and experience with process automation tools.

Manage and develop a hardware test laboratory team, establishing infrastructure and system-level testing capabilities. Define, introduce, and maintain test strategies, methods, and concepts. Plan, coordinate, and execute hardware and system-level tests, including software. Evaluate, document, and release test results. Ensure compliance with internal processes, quality standards, and applicable norms. Act as the central interface between the test lab and various teams and stakeholders.

Backend Engineer will design, develop, test, deploy, and maintain software within the Grow & Engage domain, focusing on customer acquisition and onboarding. Experience with JVM languages, Spring Boot, microservices, and cloud architecture (AWS) is required.

Provides executive support to C-level team, manages calendars, travel, and meetings. Oversees office operations, guest experience, and workplace environment. Implements process improvements and leverages technology to streamline workflows.

Design System Designer (m/f/d) will develop and maintain the company's Design System. Responsibilities include creating, evolving, and reviewing components and patterns, documenting design standards, and collaborating with developers. Requires 5+ years of product design experience, a portfolio showcasing Design System work, and proficiency in Figma, Storybook, and Supernova.

Develop and execute outbound campaigns to generate new customers and nurture leads for SAP's Growth Business. Apply digital sales methods to qualify customer requirements and align with sales teams to drive sales process to contract closing.

Support CEO with finance, operations, travel, PR, and sales activities. Manage day-to-day company operations, including HR, finance, admin, and internal processes. Assist with strategic topics like investor relations, board preparation, and hiring decisions.

Structural Engineer needed for diverse projects. Design, analyze, and ensure compliance with building codes. Minimum 3 years experience required. Fluent in German and English.