Freelance API Specialist - Integration Developer for AI Projects

Mindrift is actively seeking talented Integration Developers (API Specialists) to contribute to the innovative Tendem project (https://tendem.ai/) and to create efficient system integrations within our collaborative AI + human ecosystem.In this role, known internally as an AI Pilot, you will work alongside Tendem Agents dedicated to streamlining repetitive t…

We invite you to submit your CV in English, clearly indicating your level of English proficiency.Mindrift is dedicated to connecting talented specialists with project-based AI roles for leading technology firms, focusing on the testing, evaluation, and enhancement of AI systems. This position is project-based and does not constitute permanent employment.Key Responsibilities:Design innovative computational engineering challenges that replicate real-world engineering workflows;Craft problems that necessitate Python programming for solving engineering calculations and simulations;Ensure that the challenges are computationally intensive, requiring numerical methods or iterative solutions;Develop tasks related to system design, optimization, and analytical processes;Base challenges on genuine research questions or practical applications from engineering practices;Validate solutions using Python with standard engineering libraries;Clearly document problem statements and provide verified correct solutions.Qualifications:This role is ideal for engineers experienced in Python and open to part-time, non-permanent projects. Candidates should possess:A degree in Mechanical Engineering or a related field;Proficiency in Python for numerical validation. Experience with MATLAB, R, C, SQL, Numpy, Pandas, SciPy, or other domain-specific libraries is acceptable;A minimum of 2 years of professional experience, including applied, research, or teaching experience;A strong understanding of practical engineering constraints and approximations;Excellent written English (C1+ proficiency);Professional certifications (e.g., CMME, SAS Certifications, CAP) and experience in international or applied projects are advantageous.How the Process Works:Apply → Pass qualifications → Engage in a project → Complete assigned tasks → Get compensated.Project Time Commitment:Tasks are projected to require approximately 10–20 hours per week during active phases of the project, contingent on project requirements. This is an estimate and not a guaranteed workload, applicable only during the project's active duration.Compensation:Contributors can earn up to $31 per hour, based on their experience and contribution pace. Compensation may vary across projects depending on their scope, complexity, and expertise required. Note that compensation levels may differ in other projects available on the platform.

Jobgether is looking for an Internal AI Tools Specialist based in Portugal. This role focuses on improving how internal teams use AI tools and processes. Role overview The Internal AI Tools Specialist will work closely with different teams to ensure that AI solutions fit operational needs. The position centers on refining existing AI tools and workflows, aiming to make daily work smoother and more effective for both staff and clients. Key responsibilities Optimize and maintain internal AI tools Assess current processes and suggest improvements Collaborate with teams to align AI solutions with business needs Share insights to help drive operational efficiency Impact Your work will help shape how jobgether uses AI internally, supporting innovation and helping teams work more efficiently.

Role overview Mindrift is hiring a Freelance Integration Developer (API Specialist) for the Tendem project (https://tendem.ai/). This contract position, also known as AI Pilot, centers on building and maintaining integrations that connect systems within a hybrid AI and human workflow. The work is fully remote, based in Porto, Porto District, Portugal. What you will do Collaborate with Tendem Agents to automate repetitive tasks and streamline workflows Design, implement, and monitor integrations across various platforms Use structured problem-solving and technical skills to ensure reliable data connectivity Oversee quality control for integration solutions Who succeeds in this role Developers with practical experience in APIs and webhooks Those skilled at building and maintaining data pipelines between multiple systems Individuals who appreciate flexibility and can work remotely from Porto, Porto District, Portugal Position details Freelance contract Remote work arrangement Work alongside a forward-thinking team on the Tendem project

Join inetum2 as a Generative AI Specialist, where you will play a pivotal role in leveraging advanced AI technologies to create innovative solutions. This position offers an exciting opportunity for creative minds to impact how businesses harness the power of generative AI.

Join Our Team as a Senior AI Engineer (LLM / Multi-Agent Systems)Remote (EU) · Full-time · Key Role in Product DevelopmentAbout Our ProductAt onhires, we are excited to introduce DOGER, a cutting-edge production system that seamlessly integrates real-world public data including real estate trends, weather patterns, statistical analysis, fire events, and tenders into a cohesive graph. This innovative platform is designed to address complex, cross-domain inquiries.Examples of our capabilities include:Evaluating if a property is a sound investment by analyzing tourism trends, fire risks, and pricing metrics.Identifying anomalies in public tenders following significant events.Our system is currently operational and expanding rapidly, with new data sources and use cases being integrated bi-weekly.Your RoleYou will be responsible for the AI layer of our product, overseeing the entire process from when a user poses a question to when the system delivers a structured, dependable answer. This encompasses the retrieval and synthesis of data, reasoning processes, and output generation.You will not be starting from square one; instead, you will take charge of and enhance an existing system.What You'll Focus On (Next 3–6 Months)1. System Capability ExpansionIncorporate new use cases and data sources on a weekly or bi-weekly basis.Broaden the system's reasoning capabilities across various domains.Enhance the quality and structure of responses generated.2. Workflow Orchestration and LogicRefine multi-step workflows involving agents, tools, and routing.Design interactions between different components of the system.Make system behavior more predictable and easier to debug.3. External Access Layer DevelopmentFacilitate external systems in querying our platform.Develop APIs and access patterns for data retrieval and reasoning processes.Prepare the system for monetization options (e.g., per-query access, integrations).4. Further ResponsibilitiesYou will also delve into understanding and optimizing various aspects of our system to ensure high performance and reliability.

Location: LisbonCompany: aghanim About the Role aghamim is seeking an AI Solutions Engineer with a focus on multi-agent Large Language Model (LLM) systems. This position centers on designing and building agent-based solutions that interact with internal APIs and product workflows. The work goes beyond coding: a strong grasp of user needs and system reliability is essential. This role blends systems engineering and architecture, setting it apart from typical machine learning jobs. Expect to explore APIs and workflows independently, developing agent-driven integrations that fit seamlessly into the platform. Platform Context The product platform exposes many internal APIs. Agents interact directly with these APIs and product workflows. Use cases and workflows are diverse. Agents operate on small data volumes but require complex orchestration. Autonomous operation is key: agents must use tools, routing, memory, and fallback strategies effectively. Backend is primarily Python; frontend uses TypeScript. Main Responsibilities Agent Architecture and System Design Design and implement multi-agent systems, including orchestrator and worker agents. Define agent architecture, focusing on routing, memory, tool usage, and fallback strategies. Translate product requirements into scalable, reliable agent workflows. Ensure systems are maintainable, extensible, and robust. Agent Infrastructure and Development Build core infrastructure for agent execution, including tool calling and state management. Develop and maintain multimodal pipelines for text and image generation. Integrate and abstract model providers such as OpenAI, Anthropic, and self-hosted models. Implement custom tools and services to extend agent capabilities. Platform Integration Connect agents with internal platform APIs and product workflows.

Role overview weekday-1 seeks a Tax AI Specialist to help improve tax processes using artificial intelligence. This remote position, open to candidates based in Portugal, centers on increasing accuracy and supporting compliance in tax operations through technology. What you will do Integrate AI tools into existing tax provision and planning workflows Work to make tax operations more efficient and precise Use technology-driven solutions to support compliance with tax regulations Who will succeed Professionals who pay close attention to detail and have experience or a strong interest in both tax and artificial intelligence People who enjoy refining processes and exploring new ways to apply technology in tax functions This position is fully remote within Portugal.

Role Overview anyone-ai develops high-quality STEM training data for advanced AI models. The team’s work supports leading AI labs by improving model reasoning in technical fields. This remote position is open to candidates based in Portugal. The Physics AI Training Specialist will design challenging, original physics problems that test and expand the capabilities of state-of-the-art AI systems. Each problem must have one clear, verifiable answer, along with a thorough, validated solution. What You Will Do Create sophisticated physics problems for AI training and evaluation. Ensure each problem is deterministic, with only one correct solution. Document full reasoning and provide well-verified solutions in English. Develop multi-step problems that require deep physical reasoning, not just recall. Use Python or specialized tools to build simulations, models, or computational workflows when needed. Maintain technical accuracy, reproducibility, and clarity in all outputs. Required Qualifications Bachelor’s, Master’s, or PhD in Physics or a related field. Significant research or industry experience in theoretical, experimental, or computational physics. Proficient with Python and scientific libraries such as NumPy or SciPy. Strong skills in modeling, simulation, numerical methods, and complex problem solving. Ability to design original, challenging problems that reflect real-world physics work. Excellent attention to detail and technical writing skills in English. Preferred Qualifications Background in AI training or educational content creation. Understanding of machine learning concepts.

weekday-1 is hiring a Financial Reporting AI Specialist to help modernize financial reporting processes within its finance and transformation team. This is a part-time contract position, fully remote within Portugal, with a commitment of 20 hours per week. Key responsibilities Lead improvements to month-end and year-end closing cycles by applying AI-driven tools and automation, aiming to reduce cycle times and increase accuracy. Coordinate inputs from multiple teams, identify process bottlenecks, and streamline reconciliations, variance analysis, and reporting timelines using intelligent solutions. Prepare, review, and validate journal entries, accruals, and adjustments, using accounting principles and automated checks such as anomaly detection models. Design and refine workflows to keep financial data consistent, audit-ready, and compliant with accounting standards. Prepare and review financial statements, including balance sheets, income statements, and cash flow statements, leveraging AI-enabled tools for automated variance analysis, trend spotting, and predictive insights. Work closely with stakeholders to deliver clear, compliant financial reports that align with business objectives. Support the integration of AI into financial reporting by evaluating tools, developing use cases, and assisting with implementation. Collaborate with data teams to structure financial data for machine learning and enhance reporting frameworks through automation and analytics. Compensation and contract details Hourly rate: $100–$120 Commitment: 20 hours per week Type: Part-time / Contract Location: Remote within Portugal

Role overview Toloka AI is looking for a Computer Science Specialist with advanced Python skills to contribute to AI projects. This position is remote and based in Porto, Porto District, Portugal, with regular collaboration alongside colleagues around the globe. Main responsibilities Design and develop AI solutions using Python Implement project requirements and deliver technical contributions Work closely with an international team to support Toloka AI’s goals Collaboration and location This is a fully remote role. Team members work from Porto or anywhere within the Porto District, connecting virtually with peers in various regions.

Join the innovative team at Mindrift as an AI Workflow Engineer for the Tendem project (https://tendem.ai/). In this dynamic freelance role, you will develop cutting-edge automation systems utilizing Large Language Models (LLMs) within our unique AI + human collaborative environment.As an AI Pilot, you'll work alongside Tendem Agents to streamline repetitive tasks. Your skills in structured thinking, prompt engineering, and quality control will be pivotal in crafting scalable and reliable AI-driven workflows.This part-time, remote opportunity is perfect for professionals with a robust background in LLM integrations, prompt design, and AI automation systems.

Role overview weekday-1 is hiring an AI Specialist in Insurance Policy Administration for a part-time, contract role. This remote position centers on using AI to make insurance policy processes more efficient and accurate. The specialist will draw on both hands-on insurance experience and technical skills in automation and data analysis to help with key operations such as policy issuance, endorsements, and renewals. What you will do Use AI techniques to automate and improve tasks within insurance policy administration Analyze operational data to spot trends and suggest process improvements Support the full lifecycle of insurance policies, including issuing new policies, handling endorsements, and managing renewals Maintain compliance and ensure high accuracy throughout all processes Compensation and commitment Hourly rate: $100-$120 per hour Hours: 20 hours per week Job type: Part-time / Contract Location Remote role open to candidates in the US, UK, Canada, France, or Portugal

Please submit your CV in English, along with your English proficiency level.Mindrift specializes in connecting talented professionals with project-based AI opportunities for top-tier technology companies. Our focus is on evaluating, testing, and enhancing AI systems. Note that participation is project-based and does not constitute permanent employment.Opportunity OverviewEach project presents unique challenges. As a contributor, you may:Craft innovative computational physics problems that emulate genuine research workflows;Develop problems that necessitate Python programming solutions (utilizing libraries such as Numpy, SciPy, and Sympy);Ensure that problems are computationally demanding and cannot be resolved manually within practical timeframes (days/weeks);Create problems that involve complex reasoning in areas such as mechanics, electromagnetism, thermodynamics, and quantum mechanics;Base challenges on real-world research issues or practical applications relevant to the field of physics;Verify solutions via Python, employing standard physics simulation libraries;Clearly document problem statements and provide validated correct answers.Desired QualificationsThis role suits individuals with a background in physics and experience in Python, seeking part-time, project-based engagements. Ideal candidates will possess:A degree in Physics (Theoretical, Experimental, or Computational) or a related discipline;Proficiency in Python for numerical validation. Experience with MATLAB, R, C, SQL, Numpy, Pandas, SciPy, or comparable programming languages is acceptable;A minimum of 2 years of professional experience, including applied, research, or teaching roles;Experience with numerical simulation techniques;The ability to design problems that reflect actual physics research methodologies;Creative problem-solving skills across various physics domains;Familiarity with physics modeling and approximation methods;Strong command of written English (C1+ level).Process OverviewApply → Pass qualifications → Join a project → Complete tasks → Receive paymentProject Time CommitmentFor this role, tasks are expected to require approximately 10–20 hours per week during active project phases, contingent upon project demands. This is an estimate and not a guaranteed workload.CompensationContributors can earn up to $29 per hour, based on their contribution level and pace. Compensation varies by project scope, complexity, and required expertise. Other projects may offer different compensation levels according to their specific requirements.

Join the Toloka AI team as a Freelance Agent Evaluation Engineer! In this pivotal role, you will contribute to the development and evaluation of AI systems, ensuring their effectiveness and reliability. Collaborate with a team of experts remotely from the beautiful Porto District of Portugal. If you're passionate about technology and eager to make a significant impact in the AI landscape, we want to hear from you!

Role overview weekday-1 is hiring a Capital Allocation AI Specialist to help advance data-driven investment strategies. This is a part-time contract role, fully remote within Portugal. The position centers on using analytics and AI to guide capital allocation and investment decisions. What you will do Use advanced analytics and AI tools to inform capital allocation choices Assess investment opportunities with financial and strategic frameworks Offer build versus buy recommendations based on data and business needs Prioritize projects and initiatives when resources are limited Collaborate with stakeholders to support long-term value creation Compensation and commitment Hourly rate: $100-$120 Weekly hours: 20 Job type: Part-time / Contract Location This role is remote and open to candidates based in Portugal.

weekday-1 is hiring an AI Compliance and Controls Specialist to support its finance and risk team. This contract position is part-time, with a 20-hour weekly commitment, and is fully remote within Portugal. The role centers on building and refining compliance frameworks, automating internal controls, and using AI tools to improve the accuracy of financial reporting. What you will do Develop and enhance AI-driven solutions that reinforce financial compliance and internal control processes. Use automation and analytics to ensure alignment with GAAP and IFRS standards, spot anomalies, and minimize manual work in financial reporting. Collaborate with finance, audit, and technology teams to strengthen controls, address any gaps, and set up intelligent compliance monitoring. Support internal and external audits by leveraging AI tools for preparation, documentation, and evidence gathering. Manage complex accounting topics, including revenue recognition (ASC 606 / IFRS 15) and lease accounting (ASC 842 / IFRS 16). Requirements In-depth knowledge of GAAP and IFRS, with practical experience applying these standards. Background in designing, testing, and auditing internal controls. Experience with revenue recognition and lease accounting. Familiarity with AI, data analytics, and automation tools such as RPA or machine learning-based monitoring systems. Ability to translate accounting needs into scalable, technology-enabled solutions. Strong analytical and problem-solving abilities. Effective communicator, comfortable working across teams. Preferred background CA, CPA, or similar professional certification. Between 2 and 8 years of experience in finance and accounting roles. Compensation and details Compensation: $100–$120 per hour Job type: Part-time / Contract Location: Remote within Portugal

Role overview weekday-1 is hiring a Financial Modeling AI Specialist for a part-time, contract role. This position is fully remote and open to candidates located in Portugal, the US, UK, Canada, or France. The commitment is 20 hours per week. What you will do Build and improve financial models to inform business strategy Use AI-driven tools to analyze and extract insights from large datasets Collaborate with finance leaders, strategy teams, and business stakeholders Combine advanced analytics with financial planning and forecasting processes Requirements Solid experience in financial modeling Background in AI-based analytics and data-driven decision-making Comfort working across finance, strategy, and business teams Compensation and details Compensation: $100-$120 per hour Hours: 20 hours per week Job type: Part-time / Contract Location: Remote (Portugal, US, UK, Canada, France)

We are seeking a talented Nortenho Dialect Specialist to join our freelance AI Trainer project. In this role, you will leverage your expertise in the Nortenho dialect to enhance AI training programs, ensuring accuracy and cultural relevance.The ideal candidate will possess a deep understanding of the Nortenho dialect and its nuances, paired with strong communication skills. This is a unique opportunity to contribute to cutting-edge AI technology while working remotely.

weekday-1 is hiring a Strategic Finance AI Specialist to join its remote team in Portugal. This role combines financial strategy with advanced analytics, helping leadership make faster, data-driven decisions. The position works at the crossroads of finance, AI, and business strategy. What you will do Business Case Development: Build detailed business cases for new projects and investments. Use AI-powered forecasting, scenario analysis, and sensitivity testing to turn broad questions into structured financial models. Collaborate with product, operations, and data science to validate assumptions and ensure alignment with company goals. Unit Economics & Profitability Analysis: Create and refine frameworks to understand unit economics across products, markets, or customer segments. Apply advanced analytics and AI to identify profitability drivers, cost-saving opportunities, and revenue growth options. Deliver insights on pricing, customer acquisition costs, lifetime value, and margin improvements. Executive & Board-Level Decision Support: Work with senior leaders and board members to provide actionable financial insights. Prepare dashboards, reports, and presentations that translate complex data into clear recommendations. Support long-term planning, capital allocation, and performance tracking. AI-Driven Financial Modeling: Integrate machine learning models and automation into financial planning and analysis. Improve forecasting accuracy, automate reporting, and develop predictive models for revenue, expenses, and risk. Assess and implement new AI solutions to streamline financial processes. Strategic Insights & Performance Monitoring: Develop and monitor key performance indicators that reflect business strategy. Analyze data to identify trends, risks, and opportunities. Advise business leaders on actions to improve financial and operational results. Requirements Strong background in finance Hands-on experience with AI or machine learning tools Ability to work across teams and communicate complex data clearly