freelance English-speaking jobs in Bielefeld

Lead and grow a team of 8 engineers to develop a smart, non-custodial DeFi wallet. Define the wallet's technical roadmap, oversee its infrastructure, and collaborate with product, design, and security teams. Stay current on DeFi trends and blockchain protocols.

Senior Software Engineer to design, develop, and maintain APIs connecting Mastercard's platform to European banks and financial institutions. Experience with .NET, Java, and cloud-agnostic microservices architecture required.

Construction Manager to oversee large-scale energy civil engineering projects in Wilhelmshaven. Direct all aspects of construction, ensure compliance, and manage site operations.

Legal Counsel with expertise in construction and insurance law sought to advise clients on complex risk, contract, and coverage issues. Manage insurance solutions for construction projects, provide legal counsel on construction matters, and review/negotiate contracts and insurance wording.

Experienced Sales Director Germany and Benelux sought to lead sales strategy, build client relationships, and manage a sales team. Proven track record of managing high-value accounts and driving revenue growth in a competitive market required.

Experienced systems engineers are needed to build and lead operations and development teams for the European Sovereign Cloud (ESC). Responsibilities include overseeing the launch of the ESC in 2025, collaborating with global AWS teams, and ensuring high availability, reliability, latency, performance, and efficiency of ESC services.

Project Manager responsible for communication, task management, data management, and stakeholder coordination within project environments. Experience in construction, refurbishment, or technical project management required. Strong digitalization skills and knowledge of MS Teams and SharePoint are essential.

Experienced systems engineers are needed to build and lead operations and development teams for the European Sovereign Cloud (ESC). Responsibilities include overseeing the launch of ESC in 2025, collaborating with global AWS teams, and ensuring high availability, reliability, latency, performance, and efficiency of ESC services.

Event Specialist to strategize, execute, and manage external and large-scale internal events for a global entertainment service. Requires 7+ years of experience in event production, fluency in German and English, and the ability to manage multiple projects simultaneously.

Leads and manages a large team of Compliance professionals across EMEA, overseeing all aspects of the Global Financial Crimes Compliance program. Provides strategic operational and execution leadership for JPMSE Compliance and EMEA GFCC. Serves as Money Laundering Reporting Officer (MLRO) for JPMSE.

Software Development Engineers build solutions using distributed systems to prevent fraud and compromise attacks on AWS and its customers. Responsibilities include designing, delivering, and documenting software components and services, resolving ambiguity, and mentoring other SDEs. Experience with distributed systems, web services, and high availability production systems is required.

Freelance UAT coordinator needed for retail payment solution testing. Plan, coordinate, and facilitate user testing and onboarding. Five+ years experience executing retail payment solution testing by external parties required.

Big Data Engineer to design, implement, and optimize data platforms (Splunk, Elasticsearch, Grafana, Cribl). Integrate data sources, build visualizations, and automate platform processes. Requires 2-5 years of experience, Linux knowledge, and fluency in German and English.

Stranger Soccer seeks a passionate football entrepreneur to open and operate their business in Frankfurt. The License Owner will build and lead a team, secure game venues, and manage marketing and sales to grow the platform.

Head of Tax will lead the group's tax position across Germany and Europe. Responsibilities include managing the tax team, ensuring accurate tax liability calculations, and developing the intercompany charging model. The role requires experience in a scale-up company, European taxation, and financial services.

This role supports the operation and maintenance of AWS data center infrastructure. Responsibilities include troubleshooting electrical and mechanical equipment, ensuring safety standards, and supervising technicians.

Leads and develops a team of Application Engineers, providing coaching and guidance on technical activities aligned with commercial objectives. Manages resource levels and skills to ensure coverage for sales engagements. Collaborates with Sales Management and Account Teams to develop and implement account strategies. Oversees opportunity plans, prioritization, and development, including Target Account Selling (TAS) plan development. Focuses on developing new businesses and broadening product usage portfolio.

Experienced Editor-in-Chief to lead WatchTime USA editorial operations across print, digital, social, and video. Develops content strategy, manages editorial teams, and adapts global content for local audiences. Requires 10+ years of leadership in media, watch industry knowledge, and strong storytelling skills.

ISCC is seeking a Software Engineer – Full Stack to design, develop, and maintain full-stack applications, web services, and REST APIs. Responsibilities include implementing and integrating applications with external systems, automating workflows, and creating technical documentation. The ideal candidate will have a university degree in computer science or a related field, at least 2 years of experience as a full-stack software engineer, and strong proficiency in Go, JavaScript/TypeScript, and Python.

Drive Damovo's pan-European growth across key industries including Defence, Public Sector, Health, and Retail. Develop and implement vertical sales strategies, define growth targets, and lead complex enterprise sales cycles.