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Statistics Expert (Python) - Freelance AI Trainer at Mindrift
Berlin, , Germany - Full Time
Skills Needed
Statistics, Python, Numpy, Pandas, Scipy, Statsmodels, Scikit Learn, Ai Evaluation, Data Validation, Problem Design, Mathematical Statistics, Applied Statistics, Probability Theory, English Proficiency
Specialization
Candidates must possess a degree in Statistics or related fields and have at least 3 years of professional mathematics experience, along with strong Python proficiency for numerical validation. Strong written English proficiency (C1/C2) and a stable internet connection are also required.
Experience Required
Minimum 2 year(s)
Private English tutor (Remote) at Nachhilfeunterricht
Berlin, , Germany - Full Time
Skills Needed
English, Teaching
Specialization
Candidates must possess good knowledge of the English language and derive pleasure from teaching. No previous teaching experience is required to join the team.
Finanzbuchhalter / Controller (m/w/d) at Eberhardt Service Group GmbH
Berlin, , Germany - Full Time
Skills Needed
Financial Accounting, Controlling, Budget Planning, Hgb Accounting, Ifrs Accounting, Cash Flow Analysis, Financial Modeling, Project Controlling, M&A Support, Ms Excel, Power Bi, Sap, Analytical Thinking, German Language, English Language, Process Optimization
Specialization
Candidates should have a degree in business administration with a focus on finance or controlling and at least 5 years of relevant professional experience. Proficiency in HGB accounting, MS Office (especially Excel), and fluency in both German (C2) and English are required.
Experience Required
Minimum 5 year(s)
Intern - Venture Development (on-site) at Cloover
Berlin, , Germany - Full Time
Skills Needed
Market Analysis, Go To Market Strategy, Strategic Partnerships, Business Development, Data Analysis, Ai Workflow Automation, Sales Enablement, Negotiation, German (C2), English (Fluent), Project Management, Competitive Analysis
Specialization
Candidates should have initial practical experience in strategy, consulting, or sales and be pursuing or hold a degree in Business Administration, Industrial Engineering, or a similar field. Fluency in both German (C2) and English is required, along with a proactive, data-driven mindset.
Quereinsteiger*in als Springer*in (m/w/d) at Hedi Kitas Erzbistum Berlin
Berlin, , Germany - Full Time
Skills Needed
Pedagogical Documentation, Child Development Observation, Communication Skills, Flexibility, Teamwork, Creativity, Parental Communication, Educational Planning
Specialization
Must be a recognized career changer or a suitable person according to state daycare legislation. Requires openness, flexibility, and identification with Christian values and the organization's mission.
Praktikum Influencer Campaign Management Köln/Münster/Berlin/Remote (DE) at SOCIAL MATCH by We Are Era
Berlin, North Rhine-Westphalia, Germany - Full Time
Skills Needed
Influencer Research, Campaign Management, Briefing Creation, Reporting, Microsoft Excel, Powerpoint, Google Slides, Communication Skills, Organizational Skills, Analytical Thinking, Social Media Knowledge
Specialization
Requires a completed degree in Media or Economic Sciences and a deep passion for the influencer scene. Must possess strong analytical skills, proficiency in Excel, and a high degree of self-reliance and teamwork.
Praktikum Influencer Campaign Management Köln/Münster/Berlin/Remote (DE) at SOCIAL MATCH by We Are Era
Berlin, North Rhine-Westphalia, Germany - Full Time
Skills Needed
Influencer Research, Campaign Management, Briefing Creation, Reporting, Microsoft Excel, Powerpoint, Google Slides, Communication Skills, Organizational Skills, Social Media Analysis
Specialization
Requires a completed degree in Media or Economic Sciences and a deep passion for the influencer scene. Must possess strong analytical skills, proficiency in Excel, and the ability to work independently in a team.
Verkäufer Fahrrad und E-Bike (m/w/d) at Das RADhaus GmbH
Berlin, , Germany - Full Time
Skills Needed
Sales, Customer Advisory, Merchandise Presentation, Product Care, Bicycle Knowledge, E Bike Knowledge, Customer Service, Retail Operations
Specialization
Requires a completed vocational training as a salesperson or comparable experience in retail, though career changers with a passion for bikes are welcome. Candidates should be motivated, engaged, and enjoy interacting with people.
Spezialist Zoll & Verbrauchsteuern (m/w/d) at O'Donnell Moonshine
Berlin, , Germany - Full Time
Skills Needed
Customs Law, Excise Tax Law, Emcs, Atlas, Erp Systems, Ms Excel, Aeb Software, Inventory Management, Compliance, English Proficiency, German Proficiency
Specialization
Candidates need a degree or vocational training focused on customs and excise taxes (AlkStG/AlkStV) and several years of operational experience in customs, ideally within industry or logistics. Proficiency in MS Excel, customs software (e.g., AEB), and fluency in both German and English are required.
Experience Required
Minimum 2 year(s)
Freelance Lecturer (Healthcare Management) - BSBI Berlin (m/f/d) at Global University Systems Medical Schools
Berlin, , Germany - Full Time
Skills Needed
Teaching, Research Supervision, Curriculum Development, Student Mentoring, Academic Assessment, English Fluency, Ms Office, Organizational Skills, Communication Skills, Social Competence, Academic Leadership, Dissertation Supervision
Specialization
A PhD or equivalent qualification with theoretical and practical expertise in the domain is essential. Candidates must be fluent in English (C2 level) and possess strong organizational and communication skills.
Experience Required
Minimum 2 year(s)
Lehrkraft (m/w/d) für die Grundschule am Montessori Campus am Tegeler Forst at Montessori Campus am Tegeler Forst
Berlin, , Germany - Full Time
Skills Needed
Montessori Pedagogy, Classroom Management, Holistic Teaching, Curriculum Integration, Child Development, Observation Skills, Teamwork, Interdisciplinary Teaching, Educational Documentation
Specialization
Requires a degree in primary education (State Examination, Bachelor, or Master) and a Montessori diploma, or the willingness to obtain one. Candidates should possess a respectful, child-centered pedagogical attitude and experience in educational work.
Freelance Lecturer (Healthcare Management) - BSBI Berlin (m/f/d) at Berlin School of Business and Innovation
Berlin, , Germany - Full Time
Skills Needed
Teaching, Research Supervision, Curriculum Development, Student Mentoring, Academic Writing, Ms Office, English Fluency, Organizational Skills, Communication Skills, Dissertation Supervision, Assessment Design, Educational Platforms
Specialization
A PhD or equivalent qualification in the relevant domain is essential, along with fluency in English (C2 level). Prior university-level teaching experience and scientific publications are highly desirable.
Zahnmedizinische Fachangestellte / ZFA (m/w/d) Berlin inkl. 800€ Willkommen at DEIN DENTAL / EDG
Berlin, , Germany - Full Time
Skills Needed
Treatment Assistance, Patient Counseling, Prophylaxis Advice, Dental Prosthetics Advice, Treatment Documentation, Impression Creation, Provisional Restoration, X Ray Imaging, Instrument Sterilization, Patient Care
Specialization
Successful completion of training as a Dental Assistant (ZFA) is required. Practical experience in conservative and aesthetic dentistry, along with a team-oriented and responsible work ethic, is expected.
Experience Required
Minimum 2 year(s)
Verkäufer Fahrrad und E-Bike (m/w/d) at Das RADhaus GmbH
Berlin, , Germany - Full Time
Skills Needed
Sales Consulting, Product Knowledge (Bicycles & E Bikes), Merchandising, Customer Service, Inventory Maintenance, Communication Skills
Specialization
Requires a completed vocational training as a salesperson or equivalent experience in retail, though career changers with a passion for bikes are welcome. Candidates should be motivated, engaged, and enjoy interacting with people.
Verkäufer Fahrrad und E-Bike (m/w/d) at Das RADhaus GmbH
Berlin, , Germany - Full Time
Skills Needed
Sales, Customer Consultation, Merchandising, Product Knowledge (Bicycles & E Bikes), Customer Service, Retail Operations
Specialization
Completed vocational training as a salesperson or equivalent experience in retail/sales. Passion for bicycles and a motivated approach to working with people is required.
Senior Finance Business Partner: Controlling & Operational Excellence (m/w/ at Focus Property Management
Berlin, , Germany - Full Time
Skills Needed
Financial Planning & Analysis, Operational Excellence, Opex Analysis, Unit Economics, Capacity Analysis, Benchmarking, Dashboard Development, P&L Management, Stakeholder Management, Budget Planning, Excel, Google Sheets, Looker, Lucanet, German, English
Specialization
Requires several years of experience as a Finance Business Partner or Senior Controller, ideally in a high-growth or complex operational environment. Must possess strong analytical skills for P&L modeling and be proficient in BI tools and both German and English.
Experience Required
Minimum 2 year(s)
Ausbildung zum technischen Systemplaner (m/w/d) Fachrichtung Versorgungs- u at Konzmann Gruppe
Berlin, , Germany - Full Time
Skills Needed
Technical Drawing, 3d Modeling, Cad Software, Hvac Planning, Sanitary Planning, Technical Documentation, Calculations And Dimensioning, Ms Office, Spatial Awareness, Structured Working Method
Specialization
Candidates must have at least a secondary school diploma (MSA, Fachabitur, or Abitur) with strong performance in mathematics, physics, and technology. A structured way of working, spatial awareness, and a willingness to learn are essential.
Ausbildung zum technischen Systemplaner (m/w/d) Fachrichtung Elektrotechnis at Konzmann Gruppe
Berlin, , Germany - Full Time
Skills Needed
Technical Drawing, Electrical Systems Planning, Cad Software, Ms Office, Circuit Diagrams, Installation Plans, Technical Documentation, Spatial Awareness, Technical Understanding
Specialization
Requires a good school leaving certificate (at least MSA, technical college entrance qualification, or Abitur) and an interest in electrical engineering. Candidates should possess spatial awareness, a structured way of working, and basic knowledge of MS Office.
Patientenberater:in Beratungsstandort Cottbus - Juristischer Schwerpunkt (m at Focus Property Management
Berlin, Brandenburg, Germany - Full Time
Skills Needed
Legal Counseling, Medical Law, Social Law, Patient Advocacy, Interdisciplinary Collaboration, Communication Skills, Empathy, Case Management, Networking, Health System Navigation
Specialization
Requires a law degree (at least first state examination) or a qualification as a social insurance specialist, ideally with a focus on medical or social law. Candidates should have several years of professional experience, preferably in patient counseling.
Experience Required
Minimum 2 year(s)
Patientenberater:in Beratungsstandort Cottbus - Medizinischer oder Psycho-S at Focus Property Management
Berlin, Brandenburg, Germany - Full Time
Skills Needed
Patient Counseling, Healthcare Law, Psychosocial Counseling, Interdisciplinary Collaboration, Network Management, Empathy, Communication Skills, Case Management, Health System Navigation
Specialization
Requires professional training in nursing/healthcare or a degree in Social Work, Psychology, or Health Sciences. Candidates must have several years of professional experience, ideally in patient counseling, and strong empathetic communication skills.
Experience Required
Minimum 2 year(s)
Statistics Expert (Python) - Freelance AI Trainer at Mindrift
Berlin, , Germany -
Full Time

Start Date

Immediate

Expiry Date

01 Jun, 26

Salary

50.0

Posted On

03 Mar, 26

Experience

2 year(s) or above

Remote Job

Yes

Telecommute

Yes

Sponsor Visa

No

Skills

Statistics, Python, NumPy, Pandas, SciPy, Statsmodels, Scikit-learn, AI Evaluation, Data Validation, Problem Design, Mathematical Statistics, Applied Statistics, Probability Theory, English Proficiency

Industry

technology;Information and Internet

Description
Please submit your CV in English and indicate your level of English proficiency. Mindrift connects specialists with project-based AI opportunities for leading tech companies, focused on testing, evaluating, and improving AI systems. Participation is project-based, not permanent employment. What this opportunity involves While each project involves unique tasks, contributors may: Design rigorous statistics problems reflecting professional practice; Evaluate AI solutions for correctness, assumptions, and constraints; Validate calculations or simulations using Python (NumPy, Pandas, SciPy, Statsmodels, and Scikit-learn); Improve AI reasoning to align with industry-standard logic; Apply structured scoring criteria to multi-step problems. What we look for This opportunity is a good fit for statisticians with an experience in python open to part-time, non-permanent projects. Ideally, contributors will have: Degree in Statistics or related fields, e.g. Probability Theory, Mathematical Statistics, Applied Statistics, etc. 3+ years of professional mathematics experience Strong written English (C1/C2) Strong Python proficiency for numerical validation Stable internet connection Professional certifications (e.g., PStat, CAP, SAS Certifications) and experience in international or applied projects are an advantage. How it works Apply → Pass qualification(s) → Join a project → Complete tasks → Get paid Project time expectations For this project, tasks are estimated to require around 10–20 hours per week during active phases, based on project requirements. This is an estimate, not a guaranteed workload, and applies only while the project is active. Payment Paid contributions, with rates up to $50/hour* Fixed project rate or individual rates, depending on the project Some projects include incentive payments *Note: Rates vary based on expertise, skills assessment, location, project needs, and other factors. Higher rates may be offered to highly specialized experts. Lower rates may apply during onboarding or non-core project phases. Payment details are shared per project.

How To Apply:

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Responsibilities
Contributors will be responsible for designing rigorous statistics problems reflecting professional practice and evaluating AI solutions for correctness, assumptions, and constraints. This includes validating calculations using Python libraries and improving AI reasoning to align with industry standards.
Statistics Expert (Python) - Freelance AI Trainer at Mindrift
Berlin, , Germany - Full Time
Skills Needed
Statistics, Python, Numpy, Pandas, Scipy, Statsmodels, Scikit Learn, Ai Evaluation, Data Validation, Problem Design, Mathematical Statistics, Applied Statistics, Probability Theory, English Proficiency
Specialization
Candidates must possess a degree in Statistics or related fields and have at least 3 years of professional mathematics experience, along with strong Python proficiency for numerical validation. Strong written English proficiency (C1/C2) and a stable internet connection are also required.
Experience Required
Minimum 2 year(s)
Private English tutor (Remote) at Nachhilfeunterricht
Berlin, , Germany - Full Time
Skills Needed
English, Teaching
Specialization
Candidates must possess good knowledge of the English language and derive pleasure from teaching. No previous teaching experience is required to join the team.
Finanzbuchhalter / Controller (m/w/d) at Eberhardt Service Group GmbH
Berlin, , Germany - Full Time
Skills Needed
Financial Accounting, Controlling, Budget Planning, Hgb Accounting, Ifrs Accounting, Cash Flow Analysis, Financial Modeling, Project Controlling, M&A Support, Ms Excel, Power Bi, Sap, Analytical Thinking, German Language, English Language, Process Optimization
Specialization
Candidates should have a degree in business administration with a focus on finance or controlling and at least 5 years of relevant professional experience. Proficiency in HGB accounting, MS Office (especially Excel), and fluency in both German (C2) and English are required.
Experience Required
Minimum 5 year(s)
Intern - Venture Development (on-site) at Cloover
Berlin, , Germany - Full Time
Skills Needed
Market Analysis, Go To Market Strategy, Strategic Partnerships, Business Development, Data Analysis, Ai Workflow Automation, Sales Enablement, Negotiation, German (C2), English (Fluent), Project Management, Competitive Analysis
Specialization
Candidates should have initial practical experience in strategy, consulting, or sales and be pursuing or hold a degree in Business Administration, Industrial Engineering, or a similar field. Fluency in both German (C2) and English is required, along with a proactive, data-driven mindset.
Quereinsteiger*in als Springer*in (m/w/d) at Hedi Kitas Erzbistum Berlin
Berlin, , Germany - Full Time
Skills Needed
Pedagogical Documentation, Child Development Observation, Communication Skills, Flexibility, Teamwork, Creativity, Parental Communication, Educational Planning
Specialization
Must be a recognized career changer or a suitable person according to state daycare legislation. Requires openness, flexibility, and identification with Christian values and the organization's mission.
Praktikum Influencer Campaign Management Köln/Münster/Berlin/Remote (DE) at SOCIAL MATCH by We Are Era
Berlin, North Rhine-Westphalia, Germany - Full Time
Skills Needed
Influencer Research, Campaign Management, Briefing Creation, Reporting, Microsoft Excel, Powerpoint, Google Slides, Communication Skills, Organizational Skills, Analytical Thinking, Social Media Knowledge
Specialization
Requires a completed degree in Media or Economic Sciences and a deep passion for the influencer scene. Must possess strong analytical skills, proficiency in Excel, and a high degree of self-reliance and teamwork.
Praktikum Influencer Campaign Management Köln/Münster/Berlin/Remote (DE) at SOCIAL MATCH by We Are Era
Berlin, North Rhine-Westphalia, Germany - Full Time
Skills Needed
Influencer Research, Campaign Management, Briefing Creation, Reporting, Microsoft Excel, Powerpoint, Google Slides, Communication Skills, Organizational Skills, Social Media Analysis
Specialization
Requires a completed degree in Media or Economic Sciences and a deep passion for the influencer scene. Must possess strong analytical skills, proficiency in Excel, and the ability to work independently in a team.
Verkäufer Fahrrad und E-Bike (m/w/d) at Das RADhaus GmbH
Berlin, , Germany - Full Time
Skills Needed
Sales, Customer Advisory, Merchandise Presentation, Product Care, Bicycle Knowledge, E Bike Knowledge, Customer Service, Retail Operations
Specialization
Requires a completed vocational training as a salesperson or comparable experience in retail, though career changers with a passion for bikes are welcome. Candidates should be motivated, engaged, and enjoy interacting with people.
Spezialist Zoll & Verbrauchsteuern (m/w/d) at O'Donnell Moonshine
Berlin, , Germany - Full Time
Skills Needed
Customs Law, Excise Tax Law, Emcs, Atlas, Erp Systems, Ms Excel, Aeb Software, Inventory Management, Compliance, English Proficiency, German Proficiency
Specialization
Candidates need a degree or vocational training focused on customs and excise taxes (AlkStG/AlkStV) and several years of operational experience in customs, ideally within industry or logistics. Proficiency in MS Excel, customs software (e.g., AEB), and fluency in both German and English are required.
Experience Required
Minimum 2 year(s)
Freelance Lecturer (Healthcare Management) - BSBI Berlin (m/f/d) at Global University Systems Medical Schools
Berlin, , Germany - Full Time
Skills Needed
Teaching, Research Supervision, Curriculum Development, Student Mentoring, Academic Assessment, English Fluency, Ms Office, Organizational Skills, Communication Skills, Social Competence, Academic Leadership, Dissertation Supervision
Specialization
A PhD or equivalent qualification with theoretical and practical expertise in the domain is essential. Candidates must be fluent in English (C2 level) and possess strong organizational and communication skills.
Experience Required
Minimum 2 year(s)
Lehrkraft (m/w/d) für die Grundschule am Montessori Campus am Tegeler Forst at Montessori Campus am Tegeler Forst
Berlin, , Germany - Full Time
Skills Needed
Montessori Pedagogy, Classroom Management, Holistic Teaching, Curriculum Integration, Child Development, Observation Skills, Teamwork, Interdisciplinary Teaching, Educational Documentation
Specialization
Requires a degree in primary education (State Examination, Bachelor, or Master) and a Montessori diploma, or the willingness to obtain one. Candidates should possess a respectful, child-centered pedagogical attitude and experience in educational work.
Freelance Lecturer (Healthcare Management) - BSBI Berlin (m/f/d) at Berlin School of Business and Innovation
Berlin, , Germany - Full Time
Skills Needed
Teaching, Research Supervision, Curriculum Development, Student Mentoring, Academic Writing, Ms Office, English Fluency, Organizational Skills, Communication Skills, Dissertation Supervision, Assessment Design, Educational Platforms
Specialization
A PhD or equivalent qualification in the relevant domain is essential, along with fluency in English (C2 level). Prior university-level teaching experience and scientific publications are highly desirable.
Zahnmedizinische Fachangestellte / ZFA (m/w/d) Berlin inkl. 800€ Willkommen at DEIN DENTAL / EDG
Berlin, , Germany - Full Time
Skills Needed
Treatment Assistance, Patient Counseling, Prophylaxis Advice, Dental Prosthetics Advice, Treatment Documentation, Impression Creation, Provisional Restoration, X Ray Imaging, Instrument Sterilization, Patient Care
Specialization
Successful completion of training as a Dental Assistant (ZFA) is required. Practical experience in conservative and aesthetic dentistry, along with a team-oriented and responsible work ethic, is expected.
Experience Required
Minimum 2 year(s)
Verkäufer Fahrrad und E-Bike (m/w/d) at Das RADhaus GmbH
Berlin, , Germany - Full Time
Skills Needed
Sales Consulting, Product Knowledge (Bicycles & E Bikes), Merchandising, Customer Service, Inventory Maintenance, Communication Skills
Specialization
Requires a completed vocational training as a salesperson or equivalent experience in retail, though career changers with a passion for bikes are welcome. Candidates should be motivated, engaged, and enjoy interacting with people.
Verkäufer Fahrrad und E-Bike (m/w/d) at Das RADhaus GmbH
Berlin, , Germany - Full Time
Skills Needed
Sales, Customer Consultation, Merchandising, Product Knowledge (Bicycles & E Bikes), Customer Service, Retail Operations
Specialization
Completed vocational training as a salesperson or equivalent experience in retail/sales. Passion for bicycles and a motivated approach to working with people is required.
Senior Finance Business Partner: Controlling & Operational Excellence (m/w/ at Focus Property Management
Berlin, , Germany - Full Time
Skills Needed
Financial Planning & Analysis, Operational Excellence, Opex Analysis, Unit Economics, Capacity Analysis, Benchmarking, Dashboard Development, P&L Management, Stakeholder Management, Budget Planning, Excel, Google Sheets, Looker, Lucanet, German, English
Specialization
Requires several years of experience as a Finance Business Partner or Senior Controller, ideally in a high-growth or complex operational environment. Must possess strong analytical skills for P&L modeling and be proficient in BI tools and both German and English.
Experience Required
Minimum 2 year(s)
Ausbildung zum technischen Systemplaner (m/w/d) Fachrichtung Versorgungs- u at Konzmann Gruppe
Berlin, , Germany - Full Time
Skills Needed
Technical Drawing, 3d Modeling, Cad Software, Hvac Planning, Sanitary Planning, Technical Documentation, Calculations And Dimensioning, Ms Office, Spatial Awareness, Structured Working Method
Specialization
Candidates must have at least a secondary school diploma (MSA, Fachabitur, or Abitur) with strong performance in mathematics, physics, and technology. A structured way of working, spatial awareness, and a willingness to learn are essential.
Ausbildung zum technischen Systemplaner (m/w/d) Fachrichtung Elektrotechnis at Konzmann Gruppe
Berlin, , Germany - Full Time
Skills Needed
Technical Drawing, Electrical Systems Planning, Cad Software, Ms Office, Circuit Diagrams, Installation Plans, Technical Documentation, Spatial Awareness, Technical Understanding
Specialization
Requires a good school leaving certificate (at least MSA, technical college entrance qualification, or Abitur) and an interest in electrical engineering. Candidates should possess spatial awareness, a structured way of working, and basic knowledge of MS Office.
Patientenberater:in Beratungsstandort Cottbus - Juristischer Schwerpunkt (m at Focus Property Management
Berlin, Brandenburg, Germany - Full Time
Skills Needed
Legal Counseling, Medical Law, Social Law, Patient Advocacy, Interdisciplinary Collaboration, Communication Skills, Empathy, Case Management, Networking, Health System Navigation
Specialization
Requires a law degree (at least first state examination) or a qualification as a social insurance specialist, ideally with a focus on medical or social law. Candidates should have several years of professional experience, preferably in patient counseling.
Experience Required
Minimum 2 year(s)
Patientenberater:in Beratungsstandort Cottbus - Medizinischer oder Psycho-S at Focus Property Management
Berlin, Brandenburg, Germany - Full Time
Skills Needed
Patient Counseling, Healthcare Law, Psychosocial Counseling, Interdisciplinary Collaboration, Network Management, Empathy, Communication Skills, Case Management, Health System Navigation
Specialization
Requires professional training in nursing/healthcare or a degree in Social Work, Psychology, or Health Sciences. Candidates must have several years of professional experience, ideally in patient counseling, and strong empathetic communication skills.
Experience Required
Minimum 2 year(s)