Full-Stack Developer - AI Trainer in Sweden

Role Overview anyone-ai is seeking a Full-Stack Developer - AI Trainer based in Sweden. This role blends hands-on software development with work on AI projects. The position involves both building software and helping to train and improve AI models. What You Will Do Work on projects that combine software engineering and artificial intelligence. Contribute to…

Mindrift seeks a freelance n8n Workflow Developer – AI Trainer to support the Tendem project (https://tendem.ai/). This remote, part-time role centers on building and refining automation workflows for a system that blends AI with human input. The position is open to candidates based in Sweden. Role overview In this role, the developer acts as an AI Pilot, collaborating with Tendem Agents who manage routine tasks. The work involves structured thinking, automation, and quality control to ensure workflows run smoothly and reliably. Experience with no-code automation, workflow design, and process optimization across various business systems is important. What you will do Design, develop, and evaluate advanced workflows in self-hosted n8n environments Architect integrations across multiple systems to create scalable automation pipelines Create and enhance AI-driven workflows, including those for content generation and data enrichment Build and maintain automation for lead generation, outreach, and data processing Implement web scraping workflows for reliable data extraction and processing Optimize workflow execution, node sequencing, and error management to minimize failures, delays, and API timeouts Compensation Contributors can earn $60 per hour, depending on contribution level and pace. Compensation may vary between projects based on specific requirements and expertise needed.

Vattenfall seeks a Full-Stack Application Engineer based in Solna. This position covers both front-end and back-end development, contributing to software that underpins the company’s daily operations. Role overview This role centers on designing, developing, and enhancing applications. Collaboration is key, as projects often involve working closely with colleagues from various teams to deliver effective solutions. What you will do Work on both front-end and back-end aspects of application development Design and implement new features for internal software Collaborate with team members from different areas of the organization Support ongoing improvements to existing applications

Position Overview:TransPerfect is seeking a talented Full Stack Application Developer to become a vital member of our dynamic global Software Engineering team. In this role, you will play a key part in ensuring the quality, development, and execution of our innovative GlobalLink enterprise software solutions.As a Full Stack Developer, you will collaborate with a diverse and skilled team located in cities including Barcelona, New York, London, Manchester, Bucharest, and India. If you are ready to make a significant impact in a growing company, we encourage you to apply!About the Tech-Ops Team:The TechOps team at TransPerfect has been instrumental in our success for over a decade, providing essential technology and services that simplify operations for our clients and colleagues alike. From enhancing workflows to developing core services that support our GlobalLink platform, our team is dedicated to delivering robust and user-friendly solutions that empower clients.Key Responsibilities:Develop and enhance TransPerfect’s core services and software solutions.Analyze, develop, test, and program software with a primary focus on back-end development, while also engaging in front-end tasks as needed.Advance our microservices architecture.Assist in structuring data storage and databases effectively.Incorporate security measures and ensure ISO compliance from the outset of application development.Contribute to the evolution of our CI/CD solutions.Stay ahead of technology trends and actively pursue opportunities for skill enhancement while supporting the development of your colleagues.

Position Summary:TransPerfect is seeking a talented Application Developer to join our dynamic global team of Software Engineers. In this role, you will be instrumental in ensuring the quality, development, and implementation of our GlobalLink enterprise software solutions.As a member of our technology department, you will collaborate with a diverse group of professionals based in locations such as Barcelona, New York, London, Manchester, Bucharest, and India. If you are eager to contribute to a growing company and make a significant impact, we encourage you to apply!About the Tech-Ops Team at TransPerfect:The TransPerfect TechOps team has played a pivotal role in the company’s success for over a decade, providing technology and services that have greatly enhanced the workflows of our clients and colleagues. We focus on improving internal processes, offering essential services that underpin the GlobalLink platform, and developing scalable client interfaces that empower users to navigate complex ecosystems effortlessly.Key Responsibilities:Develop core services and software solutions for TransPerfect.Analyze, develop, test, and program primarily focusing on backend development while also engaging in frontend tasks as needed.Enhance our microservices architecture.Contribute to the design and optimization of data storage and databases.Integrate security measures and ISO certification from the outset in application development.Utilize and help advance our CI/CD solutions.Stay informed about technology trends and enhance both your own knowledge and that of your colleagues through continuous learning.

Toloka AI seeks a Freelance English Writer - AI Training Specialist to contribute to the development of advanced AI technologies. This contract position is fully remote and available to candidates located in Sweden. Responsibilities Produce clear and precise written materials for AI training projects Support the improvement of AI systems by shaping their comprehension and responses in English Requirements Excellent written English skills Strong attention to detail with a commitment to quality Genuine interest in language and technology

Role overview Mindrift is hiring an AI Workflow Engineer (AI Pilot) to contribute to the Tendem project. This freelance, part-time position is open to candidates based in Sweden and is fully remote. The role centers on building automation systems that blend large language models (LLMs) with human expertise. For more information about the project, visit https://tendem.ai/. What you will do Work closely with Tendem Agents to design and refine automation workflows using advanced LLMs Use structured thinking to develop, test, and enhance AI-driven processes Create and optimize prompts for various automation needs Maintain quality control and ensure reliability in deployed AI workflows Requirements Experience integrating LLMs and working with AI automation systems Strong skills in prompt engineering and workflow design Attention to detail, especially in quality control and process improvement Ability to work effectively in environments where AI and human input intersect Location and commitment Remote role based in Sweden Part-time, freelance arrangement

About Neo4j:Neo4j is a leading graph intelligence platform that redefines data management by transforming raw data into actionable insights, driving the next wave of intelligent applications and AI systems. Our platform offers enterprise-grade knowledge graphs that are accurate, explainable, and compliant, and we pride ourselves on providing the most extensive, reliable, and easily deployable graph capabilities across diverse environments and data sources. Trusted by 84 of the Fortune 100, our vast ecosystem is supported by the largest graph community in the world. Experience intelligence that works and results that truly matter.Our technology is designed for universal integration, enabling dynamic, personalized, and autonomous AI systems across any cloud. We deliver rapid results, contextual knowledge, and impactful solutions for both customers and employees across various business sectors.Our Vision:At Neo4j, our goal has always been to help the world make sense of data. As business, society, and knowledge become increasingly intertwined, our technology fosters innovation by helping organizations uncover and comprehend data relationships. We pioneered the graph database category and are revolutionizing how organizations utilize their data to drive innovation and maintain a competitive edge.The Team:Join a dedicated team responsible for delivering the core user experience for managing Neo4j database instances on the Aura cloud platform. This team lays the groundwork for other teams to develop tools and services. We oversee everything from internal APIs and customer support tools to the maintenance of our build and deployment pipelines. As part of this strategically critical team, your contributions will directly impact features used by some of the world's largest enterprises.We are seeking proficient full-stack engineers with robust back-end technology skills, as well as the confidence to engage with front-end development. Relevant experience includes designing and developing HTTP APIs, implementing data persistence logic, handling asynchronous and event-driven processing, and integrating with third-party services.

Couchbase, the operational data platform designed for AI, enables businesses to unlock the full potential of their data. Leading organizations across various industries trust Couchbase for their critical operational, analytical, mobile, and AI workloads. Our platform is engineered to replace outdated infrastructure and disjointed data services, offering a unified solution built for performance, flexibility, and global scalability.With Couchbase, companies can transform their data into actionable insights, delivering innovative customer experiences, harnessing the vast capabilities of AI, and effortlessly extending applications from the cloud to the edge and beyond. Our AI-ready technology and enterprise partnership model simplify complexities while lowering total cost of ownership, empowering teams to remain agile, innovative, and secure.At Couchbase, we believe that data should be a catalyst for breakthroughs, not a hindrance. Discover why top enterprises rely on Couchbase to adapt, grow, and thrive amidst evolving challenges. Visit couchbase.com and connect with us on LinkedIn and X.Ready to join our journey? Apply today!We are looking for a passionate Solutions Engineer to support the rapidly expanding Couchbase user community and enhance customer success. Our Solutions (Pre-Sales) Engineers are pivotal technical experts in the field, responsible for driving and managing the technical facets of sales engagements. This involves articulating the benefits of NoSQL technology, clarifying how Couchbase Server operates, and showcasing its ability to address customer challenges. Your role will focus on generating enthusiasm among clients for adopting this innovative approach to fast and scalable databases.Key Responsibilities:Assist customers in navigating their challenges and fulfilling their needs with Couchbase Server, fostering enthusiasm for NoSQL database technology.Work closely with the sales team on account strategies and identify additional opportunities within existing accounts.Oversee the success of customer Proof of Concepts (PoC) and pilots by efficiently managing acceptance criteria and addressing issues as they arise.Create and present outstanding company and product demonstrations.Engage with technical stakeholders at all levels, from managers to architects and developers, to explain Couchbase Server and its various applications.Act as the technical product authority for customers and maintain awareness of the NoSQL competitive landscape.Collaborate with Product Management and Engineering to provide feedback and insights.

About CerveAt Cerve, we are on a mission to revolutionize the global food system through digital innovation. Our commitment to creating a sustainable and resilient food ecosystem is rooted in making data accessible and transparent. By democratizing data and enhancing connectivity, we empower organizations to develop solutions that minimize waste, enhance food security, drive growth, and optimize operational efficiency.About the RoleAs the Founding Developer Experience Engineer at Cerve, you will be instrumental in defining the way developers and customers interact with and adopt our API platform. You will serve as the vital link between product, engineering, and customer needs, advocating for developers while guiding solution design and establishing trust through code, content, and community engagement.In collaboration with our Product and Engineering teams, you will design high-level solutions tailored to customer needs, create resources that facilitate quick adoption, and influence our product roadmap based on developer feedback. This role involves direct engagement with developers, representing Cerve within the ecosystem, and ensuring our platform delivers clarity, value, and scalability right from the start.What You’ll Do:In this pioneering role as our first Developer Experience Engineer, you will connect our product with our customers and the broader developer community, shaping their experience with the Cerve API:Developer Advocacy: Create engaging demos, SDKs, and integrations that highlight our APIs, representing Cerve at industry events and online platforms.Content & Education: Develop tutorials, guides, and technical documentation that streamline the onboarding process, effectively communicate our value proposition, and simplify the adoption experience for developers.Community Engagement: Oversee developer communication channels, support early adopters, and nurture advocates within the ecosystem.Customer Enablement: Collaborate with customers to design high-level solutions during the sales process, advising their teams on best practices and value maximization.Product Feedback: Relay insights from developers and customers to the product and engineering teams, influencing the roadmap and enhancing usability.Ecosystem Growth: Establish partnerships, maintain SDKs and integrations, and track developer metrics to foster growth.

TL;DR Join our innovative Product Security team as a Full Stack Engineer, where you'll develop cutting-edge features that ensure Lovable remains the most secure AI-driven software creation platform in the world.Why Choose Lovable?At Lovable, we empower individuals and teams to develop software using plain English. From solo entrepreneurs to Fortune 100 companies, millions rely on Lovable to rapidly transform ideas into tangible products. We are at the forefront of a transformative era in software development, providing you with a unique chance to influence the digital landscape. With over 2 million users across more than 200 countries, our global reach is expansive, and we're only just beginning.Our small but elite team in Stockholm is dedicated to building a company that defines a generation. We value ownership, swift iteration, and collaborative humility. We are seeking passionate individuals who take pride in their work, challenge the status quo, and are committed to making a meaningful difference.Desired QualificationsA minimum of 5 years of full-stack engineering experience in delivering production-ready products swiftly.Expertise in React/TypeScript for frontend development and Golang for backend services, with a deep understanding that eliminates the need for reference checks.A strong commitment to quality, reflected in every pull request, design decision, and line of code.An innate understanding of product usability, capable of distilling complex functionalities into intuitive user experiences.Experience in developing security-related features such as audit trails, compliance tools, or security scanning interfaces is highly advantageous.Bonus: Familiarity with AI/LLM tools or a background involving intricate algorithmic or systems work.Your ResponsibilitiesDevelop comprehensive security features including audit flows, security scanner interfaces, cookie consent solutions, and compliance tools.Collaborate across the full stack as part of a close-knit team of 2-3 engineers.Take full ownership of your projects, from initial commit to deployment.Uphold and elevate coding standards and quality within the team.Shape technical direction and product strategy through informed opinions.Our Technology StackFrontend: React and Typescript.Backend: Golang and Rust.Cloud Services: Cloudflare, GCP, AWS.

Join Our Mission at LegoraAt Legora, we are revolutionizing the legal industry by collaborating directly with legal professionals to create solutions that truly meet their needs. Our innovative, AI-driven workspace enables lawyers to enhance their efficiency, ask insightful questions, and uncover valuable insights. We are dedicated to transforming complex legal processes into streamlined, intelligent workflows that empower our users.Trusted by prestigious firms such as Cleary Gottlieb, Goodwin, Bird & Bird, and Linklaters across more than 40 countries, we are committed to fast-paced innovation and rapid scaling, all by design.When you become a part of Legora, you join a team that believes in excellence and collective success. If you are passionate about creating impactful technology, working with talented individuals, and driving change in a critical sector, we want you to join us!About the RoleAs a Full-Stack Engineer, you will play a pivotal role in developing, reviewing, and delivering outstanding products that assist legal professionals globally. You will have the opportunity to work across the full technology stack with significant ownership and autonomy.Your ResponsibilitiesDesign and implement end-to-end features for our web platform.Maintain ownership of our codebase, ensuring a balance between high-quality coding, security, and development speed.Utilize technologies such as React, Node.js, AWS, Azure, and Kubernetes.Promote continuous improvement and challenge the status quo, both within the industry and for yourself.Who You AreA dedicated engineer with several years of experience in creating exceptional products using cutting-edge technologies.

Toloka AI seeks a Freelance Mathematics Expert - AI Trainer to help advance AI systems. This is a remote contract position for candidates based in Sweden. Role overview This role centers on applying advanced mathematics to support AI model development. The work involves analyzing complex problems and bringing subject matter expertise to improve the accuracy and reliability of AI solutions. What you will do Use deep mathematical knowledge to train and refine AI models Contribute to projects that demand strong analytical and problem-solving skills Share expertise to help ensure AI systems deliver reliable results About Toloka AI Toloka AI creates data-driven tools for artificial intelligence. The company values input from experts who can strengthen the quality and dependability of AI technologies.

At Kognity, we believe education has the power to transform lives. However, technology has yet to fulfill its promise for over a billion students worldwide. Our mission is to change that.As a dynamic EdTech scale-up with a team of 125, we are transforming learning experiences in over 120 countries. Our innovative platform replaces traditional textbooks by integrating engaging pedagogy with advanced AI and data analytics, empowering both students and teachers in various educational settings, from international institutions to U.S. high schools.Why join Kognity?Make an Impact – Your contributions will significantly affect the educational journeys of teachers and students across the globe, ensuring real-world outcomes.Ownership and Accountability – We value initiative and expect you to take ownership of your projects from inception to delivery, with a focus on results.Collaborate with Top Talent – You will work alongside passionate and intelligent colleagues to tackle complex challenges, in a high-paced environment.Foster Continuous Learning – We encourage personal and professional growth, with a focus on learning and improvement.Your Responsibilities:Develop and deploy full-stack features using Python and TypeScript, enhancing the user experience for teachers and students.Design and refine robust systems with an emphasis on best practices, including APIs, ORMs, caching, and testing, ensuring high performance and reliability.Continuously improve the codebase by simplifying and fortifying it, while elevating engineering standards.Manage problem domains comprehensively, from defining the technical strategy to delivering high-quality software promptly.Qualifications We Seek:Demonstrated experience in building impactful software within a fast-paced product environment.Proficiency in full-stack development with TypeScript and at least one server-side language such as Python, Ruby, or Node.js.Strong history of owning projects from conception to execution, demonstrating technical and strategic prowess.

Toloka AI is looking for a freelance specialist with a strong background in both biology and Python programming. This remote role is based in Sweden and centers on developing and improving materials used to train artificial intelligence systems. Role overview This position focuses on creating and refining training content that combines biological science concepts with Python. The work supports AI development by ensuring materials are accurate and effective. What you will do Develop AI training materials that draw on biology and Python expertise Review and enhance existing content to improve clarity and accuracy Who this role suits This freelance opportunity is well suited to those interested in the overlap between biological sciences and artificial intelligence, and who enjoy working independently on specialized projects.

Toloka AI seeks a Freelance Junior Journalist - AI Trainer to support projects that connect journalism with artificial intelligence. This contract position is fully remote and open to candidates living in Sweden. Role overview This role centers on collaborating with professionals who are advancing AI-driven journalism. The work involves both content creation and the development of tools that assist in the evolution of news reporting through technology. What you will do Collaborate with experienced team members on journalism initiatives powered by AI Create and curate written content to help train and refine AI models Offer feedback and ideas to improve tools and workflows for the team Requirements Interest in journalism and new technology Ability to work independently and communicate effectively online Residence in Sweden

Please submit your CV in English and indicate your English proficiency level. Mindrift connects experienced professionals with project-based AI work for leading technology companies. Assignments focus on assessing, evaluating, and improving AI systems. This is a non-permanent, project-based role. Role overview The Freelance AI Trainer - Research Physicist contributes to diverse projects, each with its own objectives. Typical responsibilities include: Writing original optics problems that reflect real research processes in physics Designing computationally challenging problems that may require days or weeks to solve Developing complex scenarios involving detailed reasoning in areas such as mechanics, electromagnetism, thermodynamics, and quantum mechanics Creating problems based on real-world research challenges or relevant situations from optics and physics Clearly documenting problem statements and providing verified solutions Requirements Degree in Physics (Theoretical, Experimental, or Computational) or a closely related field Minimum of 2 years of professional experience (applied, research, or teaching) Background in numerical simulation methods Ability to design problems that mirror actual physics research workflows Creative approach to problem design across multiple physics disciplines Familiarity with physics modeling and approximation techniques Strong English writing skills at C1 level or higher Project commitment Assignments typically require 10–20 hours per week during active project periods. Actual workload depends on project needs and may vary outside active phases. Compensation Rates can reach up to $45 per hour, depending on experience and project pace. Compensation varies according to project complexity and required expertise. Other projects on the platform may offer different pay based on their specific requirements. Application process Apply Pass qualifications Join a project Complete tasks Receive payment

Join anyone-ai as a Software Engineering AI Trainer and be a pivotal part of shaping the future of AI education. In this exciting role, you will work closely with aspiring engineers to enhance their understanding of artificial intelligence and software development. Your expertise will empower the next generation of tech innovators.

Please submit your CV in English and specify your English proficiency level. Toloka AI offers project-based freelance roles for specialists in artificial intelligence. The company focuses on testing, evaluating, and improving AI systems for major technology clients. This particular position is freelance and project-based, not a permanent employment offer. Role overview The Freelance Optical Engineer - AI Trainer works on projects that involve designing optical and physics problems for AI training. Assignments often include: Developing original optical problems that reflect real-world research workflows in physics Creating computationally intensive challenges unsuitable for manual solving Formulating problems requiring advanced reasoning in mechanics, electromagnetism, thermodynamics, and quantum mechanics Referencing real research challenges or practical applications in optics and physics Writing clear problem statements and supplying accurate, validated solutions Requirements Degree in Physics (theoretical, experimental, or computational) or a closely related field Minimum of 2 years of professional experience in applied, research, or teaching roles Strong background in numerical simulation methods Ability to design problems that mirror real research workflows in physics Creative approach to problem design across multiple physics domains Familiarity with physics modeling and approximation techniques Excellent written English skills (C1 level or above) Application process Apply Pass qualification(s) Join a project Complete assigned tasks Receive payment Project commitment During active project phases, contributors usually dedicate 10–20 hours per week. Actual workload depends on project needs and is not guaranteed outside of active periods. Compensation Contributors may earn up to $45 per hour, depending on experience and project pace. Rates vary by project scope, complexity, and required expertise. Other projects on the platform may offer different compensation based on their specific requirements.

Please submit your CV in English and indicate your level of English proficiency.Mindrift connects talented specialists with exciting project-based AI opportunities for leading technology companies, focusing on the testing, evaluation, and enhancement of AI systems. Note that participation is project-based and does not entail permanent employment.What This Opportunity Involves:While each project presents its own unique challenges, contributors may:Design innovative computational statistics problems that reflect authentic mathematical research workflows;Create Python-based problems requiring solutions utilizing libraries such as Numpy, SciPy, and Sympy;Ensure problems are computationally intensive, taking days or weeks to solve manually;Develop scenarios necessitating complex reasoning in fields like number theory, combinatorics, graph theory, and numerical analysis;Base problems on genuine research challenges or practical applications in mathematics;Validate solutions using Python and standard mathematical libraries;Clearly document problem statements and provide verified correct answers.What We Look For:This opportunity is ideal for statistics specialists with Python experience who are open to part-time, non-permanent projects. Ideally, candidates will possess:A degree in Statistics or related disciplines;Proficiency in Python for numerical validation. Experience with MATLAB, R, C, SQL, Numpy, Pandas, SciPy, or any programming language can be considered equivalent;At least 2 years of professional experience in applied, research, or teaching roles;Strong command of written English (C1+ level);Professional certifications (e.g., CMME, SAS Certifications, CAP) and experience in international or applied projects are advantageous.How It Works:Apply → Pass qualification(s) → Join a project → Complete tasks → Get compensatedProject Time Expectations:During active phases, tasks are estimated to require about 10–20 hours per week, depending on project requirements. This is an estimate and not a guaranteed workload.Compensation:Contributors can earn up to $50 per hour equivalent, depending on their expertise and contribution pace. Compensation varies by project based on scope, complexity, and required expertise, and different projects may offer varying earning levels.