Freelance Optical Engineer with Python Expertise

We invite you to submit your CV in English and specify your level of English proficiency.Mindrift connects talented professionals with project-based AI opportunities at leading tech firms, focusing on the testing, evaluation, and enhancement of AI systems. Please note that participation is project-based and does not constitute permanent employment.Opportunit…

jobgether is looking for a Senior Unity Developer with a focus on Poker game development. This position is based in Austria and calls for someone with deep experience in building engaging gaming experiences using Unity. What you will do Design and implement polished game features in Unity, with an emphasis on Poker gameplay. Work closely with cross-functional teams to define, design, and release new features. Optimize performance to deliver smooth, responsive play for users. Debug and resolve technical issues quickly to maintain a high-quality experience. Keep up with industry trends and new technologies to improve our games. Who we’re looking for This role requires strong Unity development skills and hands-on experience with Poker or similar card games. Collaboration and a drive to deliver top-tier player experiences are essential.

Role overview Mindrift seeks a Freelance Low-Code Automation Engineer to support the Tendem project as an AI Pilot. This part-time position is remote and available to candidates located in Austria. The role centers on building and improving automation workflows using platforms like Make.com and n8n. Mindrift combines AI tools with human input to create practical automation solutions. What you will do Design, implement, and refine automation workflows for the Tendem project Collaborate with Tendem Agents to keep processes running smoothly across multiple systems Apply low-code automation skills and a methodical approach to address workflow challenges Customize workflows with JavaScript when needed Requirements Experience with low-code automation platforms, especially Make.com and n8n Background in workflow design and process automation Ability to customize automations using JavaScript Comfort working in a collaborative environment that blends AI and human expertise Residence in Austria and ability to work remotely

Mindrift is on the lookout for talented Low-Code Automation Engineers (Make.com / n8n, JavaScript) to contribute to the Tendem project (https://tendem.ai/). In this pivotal role, referred to as an AI Pilot at Mindrift, you will work alongside Tendem Agents to create effective automation workflows within our innovative hybrid AI + human framework.As a Low-Code Automation Engineer, your primary responsibilities will involve designing, constructing, and refining advanced automation processes that ensure seamless execution and scalability across various platforms. Your expertise in structured thinking and quality control will be essential to guarantee reliable workflows that integrate multiple systems efficiently.This part-time, fully remote position is perfect for professionals with practical experience in low-code automation technologies, workflow design, and JavaScript customization.

We are seeking a seasoned Software Development Expert (f/m/d) for a long-term, cross-departmental transformation project in the public sector. The ideal candidate will possess extensive knowledge in developing multi-tier application systems, with a focus on Java EE, Angular, PowerBuilder, as well as database and middleware components in accordance with TA 2.0 and TA 3.0J architectures.Position: Software Development Expert (f/m/d)Location: Wien (1–2 days per week on-site), otherwise remoteStart: Q1 2026 | Duration: 12 months | Workload: 100%Languages: German required

We invite you to submit your CV in English, explicitly detailing your English proficiency level.At Mindrift, we specialize in connecting skilled professionals with project-based opportunities in artificial intelligence for top-tier technology companies. Our primary focus is on the testing, evaluation, and enhancement of AI systems. Please note that participation is based on specific projects and does not constitute permanent employment.Opportunity OverviewEach project offers unique challenges, and contributors may engage in the following tasks:Develop sophisticated mathematics problems that mirror real-world applications;Assess AI solutions to ensure accuracy, validate assumptions, and identify constraints;Enhance AI reasoning capabilities to meet industry-standard logical frameworks;Utilize structured scoring criteria to evaluate complex, multi-step mathematical problems.Candidate ProfileThis role is ideal for mathematicians interested in part-time, project-based work. Preferred qualifications include:A degree in Mathematics or a closely related field;A minimum of 2 years of relevant professional experience, including applied mathematics, research, or teaching;Exceptional written English skills (C1 level or higher).Professional certifications (such as CMME, SAS Certifications, CAP) and experience with international or applied projects will be considered advantageous.Process OverviewApplication → Qualification Assessment → Project Participation → Task Completion → CompensationProject CommitmentDuring active phases, project tasks are estimated to require approximately 10 to 20 hours per week, depending on specific project needs. This is an estimate and not a guaranteed workload.Compensation StructureContributors can earn up to $45 per hour, depending on their experience and contribution pace. Compensation may vary per project based on scope, complexity, and required expertise. Please be aware that other projects on our platform may offer different earning potentials based on their unique requirements.

Project ScopeJoin our client, a prominent leader in the telecommunications industry, as they embark on an exciting digital transformation journey. We are seeking a skilled Resource Manager who possesses a unique blend of technical expertise, analytical prowess, and excellent communication abilities to enhance the collaboration between IT, product development, and marketing teams.Your role will involve supporting various ongoing projects focused on digital customer portals, internal IT systems, and app development, while collaborating closely with cross-functional teams across multiple countries.

Toloka AI is seeking a freelance specialist with a background in biology and Python programming. This remote role focuses on creating and delivering training content for learners interested in artificial intelligence. Role overview The Biology and Python Specialist will design educational materials that bridge concepts in biology with practical Python skills. The goal is to help participants build a strong foundation for work in AI-related fields. What you will do Develop training programs that combine biology topics with Python programming techniques Deliver instructional content to support learners as they build AI skills Requirements Expertise in biology Strong proficiency in Python Ability to communicate technical concepts clearly This freelance position is open to candidates based in Austria and offers the flexibility to work remotely.

Role overview jobgether seeks a Senior PHP Developer for its Technology & AI Labs in Austria. The position centers on building and maintaining software systems that align with the company’s mission and technical objectives. What you will do Design, develop, and maintain PHP applications and services Work with cross-functional teams to deliver technical solutions Ensure software responds quickly and performs well for front-end requests Contribute to projects that incorporate recent advancements in technology and artificial intelligence Requirements Extensive experience in PHP development Ability to collaborate with colleagues across different disciplines Interest in applying new technology and AI concepts to real projects Location This role is based in Austria.

Join our dynamic team at Red Bull GmbH as a Senior Financial Data & Process Developer. In this pivotal role, you will leverage your expertise to enhance financial data processes and develop actionable insights that drive business performance. Collaborate closely with cross-functional teams to streamline operations and implement innovative data solutions that meet the needs of our fast-paced environment.

Role overview Bosch Group is hiring a Senior Frontend Developer with expertise in Angular to join the team in Linz. This role centers on building web applications that advance automation and efficiency within manufacturing environments. The work supports digital transformation efforts for Industry 4.0 initiatives. What you will do Design and develop web applications using Angular for industrial automation projects Collaborate with cross-functional teams to create reliable and user-friendly digital tools Use frontend development skills to modernize and optimize manufacturing processes Impact This position plays a key part in transforming traditional manufacturing by introducing advanced digital solutions. The work contributes to Bosch Group’s ongoing focus on innovation within Industry 4.0.

Adverity seeks a Senior Full Stack Engineer to help guide the technical direction of its products. This full-time, hybrid role is based in Vienna, Austria. The team values in-person collaboration, yet offers flexibility to balance office and remote work. Role overview This position involves more than coding. The Senior Full Stack Engineer works closely with product development, shapes architectural choices, refines work breakdown structures, and promotes both performance and security throughout each stage of a project. What to expect First month Join the product development team and familiarize yourself with Adverity’s products, technologies, systems, and architecture. Engage with the engineering culture and begin contributing code to integrate into the Adverity ecosystem. Build a solid understanding of the system architecture and codebase. First 6 months Support the team by conducting code reviews and guiding improvements in system quality and engineering practices. Contribute to new features by working on prototypes, breaking down technical scopes, and collaborating on team deliveries. Beyond 6 months Develop a comprehensive view of the Adverity platform from both product and technical perspectives. Take part in cross-product engineering initiatives, supporting teams in technical decisions and driving improvements in maintainability and reliability. Expand your influence across the engineering team and the wider organization. Location and work model This hybrid role is based in Vienna. In-person teamwork is valued, but Adverity supports flexible arrangements to help maintain a healthy work-life balance.

Project OverviewWe are seeking a skilled Performance Analysis and Tuning Expert (f/m/d) to join a cross-departmental IT large-scale project in the public sector. In this role, you will take charge of analyzing and optimizing system performance within a complex technological landscape. Your responsibilities will include identifying bottlenecks, deriving actionable optimization measures, and systematically documenting these findings in the form of guidelines and manuals.

Join our client, a leading company established in 2013, specializing in digital transformation projects within the telecommunications and construction sectors. They have built a reputation as a reliable partner in the industry. To strengthen their development team, they are seeking a skilled Software Developer with a strong background in software architecture.Software Architecture & Guidance: Take the lead in designing and evolving the software architecture platform.Development: Stay hands-on by actively participating in software development.Modular Systems & BPMN Tools: Collaborate with modular software systems and BPMN tools such as Camunda.Databases: Engage with relational databases including Oracle and PostgreSQL.

Join us in revolutionizing product cost and CO₂ intelligence!Tsetsoftware is at the forefront of transforming the manufacturing sector's approach to cost efficiency and sustainability. Our innovative software enables engineers to make informed, eco-friendly, and cost-effective decisions throughout the entire lifecycle—from development to production and procurement.With esteemed clients such as BMW Group, Brose, and Stabilus, we are rapidly expanding our reach across Europe, North America, and Asia.If you are driven by a passion for developing impactful software that fosters sustainability and you aspire to contribute to the backend of a purpose-driven product, we invite you to join our team.

About the Role REWE International Dienstleistungsgesellschaft mbH is looking for a Senior Full-Stack Developer to strengthen the team in Wien. This position focuses on building and improving solutions that support logistics and supply chain management. What You Will Do Work across both front-end and back-end systems to deliver new features and enhancements Collaborate with colleagues from different departments to turn business needs into technical plans Contribute ideas and technical expertise to ongoing and upcoming projects Who We’re Looking For Experience in both front-end and back-end development Strong problem-solving skills and a proactive approach Comfort working with cross-functional teams

Role overview Toloka AI seeks a Freelance Mathematics Expert to assist with AI training projects. This is a remote contract position available to candidates located in Austria. Key responsibilities Use mathematics expertise to support the training and improvement of AI algorithms Review data and model outputs to help ensure accuracy and reliability Contribute to projects that enhance AI capabilities Work context This freelance role involves engaging with new technologies and supporting the development of AI systems. Mathematics experts in this position help influence how AI models perform in practical, real-world situations.

Deloitte’s Technology & Transformation team in Vienna seeks a Senior Consultant (all genders) to focus on solution development. This role centers on designing solutions that help clients operate more efficiently and achieve stronger business results. Role overview The Senior Consultant will work on creating tailored solutions for clients, aiming to address business challenges and streamline processes. The position involves analyzing client needs and developing strategies that support measurable improvements. Key responsibilities Design solutions to enhance client efficiency Support clients in strengthening business outcomes Collaborate with team members to deliver effective results Location This position is based in Vienna.

Mindrift connects professionals with project-based AI training work for technology companies. This freelance role focuses on testing, evaluating, and improving AI systems through chemistry and Python expertise. Participation is on a project basis, not as a permanent employee. What you will do Create computational chemistry problems that reflect real research workflows Design tasks that require Python programming to solve, using tools like numpy, scipy, and chemical libraries Ensure problems are computationally intensive and not solvable manually in a reasonable time Develop scenarios involving complex reasoning in physical chemistry, quantum chemistry, or molecular modeling Base problems on genuine research challenges or practical chemistry applications Validate solutions in Python, applying standard computational chemistry methods Document problem statements clearly and provide accurate, verified solutions Requirements Degree in Chemistry or a related field Proficiency in Python for numerical validation; familiarity with MATLAB, R, C, SQL, Numpy, Pandas, SciPy, or other programming languages is also acceptable At least 2 years of relevant experience in application, research, or education Experience with numerical methods in chemistry Strong grasp of computational chemistry concepts and techniques Exceptional written English skills (C1+ level) Project workflow The process includes application, a qualification stage, project engagement, task completion, and compensation. Time commitment During active periods, tasks typically require about 10–20 hours per week, depending on project needs. This is an estimate and not a guaranteed workload. Compensation Contributors may earn up to $29 per hour, depending on expertise and pace. Actual compensation varies by project scope, complexity, and required skills. Other projects on the platform may offer different rates based on their requirements. Please submit your CV in English and include your English proficiency level.

umdaschgroup seeks a Health & Safety Expert (m/f/d) to join the team in Leibnitz. The position centers on creating and maintaining safe working conditions while ensuring the company meets all relevant health and safety regulations. Key responsibilities Promote and strengthen a safety-first culture throughout the organization. Carry out risk assessments to spot and address workplace hazards. Design and roll out health and safety policies that safeguard employees and the environment. Work location This role is based on-site in Leibnitz.