Senior AI & Cloud Operations Engineer

Join datatonic as a Senior AI & Cloud Operations Engineer, where you'll play a pivotal role in enhancing our cloud operations and AI solutions. You will be responsible for the design, implementation, and maintenance of scalable AI solutions in cloud environments. Your expertise will drive innovation and efficiency across our operations.

Join Space Inch as we embark on an exciting mission!We are developing the next generation of B2B AI solutions and are seeking a talented AI Engineer to take charge of creating, managing, and deploying production-ready LLM-powered services. Your role will involve designing and maintaining high-performance AI systems that enhance our platform features, delivering precise, data-driven recommendations and optimizing intelligent workflows with scalable performance and reliability.As we grow our team, we are eager to welcome multiple collaborators who will contribute to various projects within this innovative stack.Our Mission, Vision, and ValuesAt Space Inch, we prioritize aligning with our clients and team members to ensure a thorough comprehension of their requirements. We are dedicated to delivering outstanding results while facilitating the personal and professional development of our staff. Every team member has access to an executive coach as part of our commitment to support their growth.Working at Space InchOur diverse team of over 70 professionals is primarily located in Croatia, with additional members in South America, Serbia, and the US. While remote work is encouraged, we also have a Zagreb office for those who prefer a hybrid setup.Travel may be necessary on occasion, including our annual company retreats in Croatia.Our projects are designed with an end-to-end approach and a long-term vision.We actively promote a healthy work/life balance for all employees.

Jobgether is looking for a Senior Software Engineer to help build and improve AI-powered SaaS products. This role centers on designing and developing software that brings intelligent automation to business users. Role overview As a Senior Software Engineer, you will work closely with colleagues from different specialties to create and refine AI-driven applications. The work includes architecting new features, implementing scalable solutions, and contributing to a smooth user experience. What you will do Design and develop software for AI SaaS applications Collaborate with cross-functional teams to deliver new features Focus on scalability and performance improvements Enhance product usability and reliability Requirements Strong background in software engineering Experience with AI or SaaS technologies Ability to work collaboratively across teams Creative approach to solving technical challenges This position is based in Croatia.

Join us at Creatunity LLC as a Lead Full-Stack Engineer specializing in AI-Driven Development. We are on the lookout for an accomplished technical leader who merges extensive full-stack engineering proficiency with a successful track record in developing and delivering innovative IT products and applications. This position is perfect for someone who has not only crafted production-quality code but has also managed delivery processes, mentored developers, and delivered intricate solutions enhanced by AI development tools. Contract Type: Independent Contractor AgreementWhat You'll Do Lead a team of senior full-stack engineers and oversee technical execution across various projects. Develop scalable full-stack features utilizing Next.js, React, TypeScript, Prisma, and PostgreSQL. Leverage Cursor IDE and AI coding assistants to boost development workflows and enhance productivity. Design system architectures, create database schemas, and optimize performance-critical queries. Integrate and manage third-party APIs (e.g., Stripe, Supabase, music platforms, SaaS services). Build sophisticated admin dashboards, internal tools, and intricate user interfaces. Take ownership of projects from inception to deployment and optimization. Implement best practices for code quality, testing, documentation, and deployment pipelines. Mentor developers, conduct code reviews, and promote engineering excellence throughout the team.

We are looking for a skilled technical leader with extensive full-stack engineering experience and a strong track record in delivering innovative IT products and applications. If you have a passion for creating production-quality code and have led project delivery processes while mentoring developers, this position is perfect for you. You will be working with advanced AI-assisted development tools to shape complex solutions. Contract Type: Independent Contractor AgreementYour Responsibilities Lead and mentor a team of experienced full-stack developers while overseeing technical execution across multiple projects. Develop scalable full-stack features utilizing Next.js, React, TypeScript, Prisma, and PostgreSQL. Leverage Cursor IDE and AI coding assistants to enhance development efficiency and productivity. Design system architectures, create database schemas, and fine-tune performance-critical queries. Integrate and manage third-party APIs (e.g., Stripe, Supabase, various music platforms, and SaaS services). Build sophisticated admin dashboards, internal tools, and intricate user interfaces. Take ownership of projects from inception through to deployment and optimization. Set and uphold best practices for code quality, testing, documentation, and deployment pipelines. Guide developers, conduct code reviews, and foster engineering excellence within the team.Qualifications A proven history of significant contributions to the development and delivery of IT products or applications. Demonstrated leadership experience in managing development teams and processes. Strong practical expertise with modern full-stack technologies and cloud architectures. Profound knowledge of database design, performance optimization, and scalability considerations. Experience in integrating external APIs and third-party platforms into production environments. Comfort with remote work and asynchronous collaboration. A proactive problem-solving approach, strong sense of ownership, and product-centric mindset.

We are on the lookout for a highly skilled technical leader with a solid foundation in full-stack engineering, complemented by a successful track record in delivering innovative IT products and applications. This role is perfect for someone who has not only developed production-quality code but has also navigated the complexities of project delivery, mentored developers, and implemented sophisticated solutions utilizing AI-assisted development tools. Contract Type: Independent Contractor AgreementWhat You'll Do Spearhead a team of senior full-stack developers while overseeing technical execution across various projects. Develop robust, scalable full-stack features using Next.js, React, TypeScript, Prisma, and PostgreSQL. Leverage Cursor IDE and AI coding assistants to enhance development workflows and productivity. Design system architectures, create database schemas, and optimize performance-critical queries. Integrate and manage third-party APIs such as Stripe, Supabase, and various music platforms. Construct advanced admin dashboards, internal tools, and intricate user interfaces. Manage projects from inception to completion — encompassing requirements gathering, architecture design, deployment, and optimization. Establish and promote best practices for code quality, testing, documentation, and deployment pipelines. Guide and mentor developers, conduct code reviews, and champion engineering excellence across the team.

Join our dynamic team at Creatunity LLC as a Lead Full-Stack Engineer, where you will leverage your extensive technical background and leadership skills to guide a team in crafting innovative IT products and applications. We're looking for a candidate who not only excels in writing robust production code but also has experience overseeing project delivery, mentoring developers, and implementing sophisticated solutions with the aid of AI-assisted development tools. Contract Type: Independent Contractor AgreementYour Responsibilities Lead a talented group of senior full-stack developers while orchestrating technical execution across various projects. Develop scalable full-stack features using Next.js, React, TypeScript, Prisma, and PostgreSQL. Utilize Cursor IDE and AI coding assistants to enhance development efficiency and workflow. Design system architectures, create database schemas, and optimize performance-critical queries. Integrate and manage third-party APIs including Stripe, Supabase, and various SaaS services. Construct advanced admin dashboards, internal tools, and intricate user interfaces. Take ownership of projects from inception to deployment and continuous optimization. Set and uphold best practices for code quality, testing, documentation, and deployment pipelines. Mentor junior developers, conduct code reviews, and promote engineering excellence within the team.

Join us as an AI Data Specialist to enhance the quality of AI-generated content in Croatian. Job Type: FreelanceLocation: Remote WorkWork Schedule: Part-time - 10+ hours per week with flexible hours.Start Date: ImmediateDuration: To Be ConfirmedRate: Varies depending on location Contribute to the Future of AIWhether you are a student, recent graduate, stay-at-home parent, or a professional in search of flexible remote opportunities, this is your chance to influence the development and safety of advanced AI models. Your ResponsibilitiesThe position requires engaging in various data-related activities, including:- Collecting, evaluating, and annotating data.- Conducting pairwise comparisons.- Performing counting tasks.- Tagging and labeling objects across multiple content types including audio, video, images, or collected data. Qualifications We Seek:- Native-level proficiency in Croatian.- English Proficiency: A fluent or advanced level (B2–C2).- Preferred AI & Data Skills: Familiarity with machine learning tasks, data collection and preprocessing, data evaluation and quality assurance, and data annotation and labeling. Our Offerings- Flexible working hours.- Opportunity to earn supplementary income.- Prompt payment for work completed.- This role is perfect for students, part-time workers, or stay-at-home parents.

About UsSyntio, a proud member of the Datatonic family, merges extensive data engineering expertise with advanced cloud and AI capabilities to tackle intricate data challenges. We specialize in designing and developing scalable data platforms that empower organizations to harness their data effectively and efficiently. Our teams engage with real-world problems across various sectors, utilizing cutting-edge cloud technologies and engineering best practices.Our projects span all major public cloud platforms, including AWS, Google Cloud Platform, and Azure, where we integrate managed services with open-source tools to create robust, scalable, and future-proof data solutions.Driven by innovation, our dedicated R&D department ensures we remain at the forefront of the rapidly evolving data landscape, continuously pushing the limits of what is achievable.Job DescriptionWe are searching for a dedicated Machine Learning Engineer who is excited about transforming concepts into practical, production-ready machine learning systems. This hands-on role requires a technical mindset as you will prototype, build, and deploy comprehensive machine learning solutions while adhering to best practices in engineering, cloud, and MLOps.Whether you are an emerging talent or possess significant experience, you will play a vital role in impactful projects, collaborate closely with clients, and evolve your responsibilities over time. If you thrive at the intersection of AI, cloud, and real-world problem-solving, you'll feel right at home here.

The future of artificial intelligence, whether it involves training or evaluation, classical machine learning, or agentic workflows, is anchored in high-quality data.At HumanSignal, we are creating a dynamic platform that facilitates the generation, curation, and assessment of data. Our tools are utilized by leading AI teams for fine-tuning foundational models and validating agent behaviors in real-world settings, ensuring that their models are grounded in genuine signals rather than noise.Our open-source product, Label Studio, has emerged as the de facto standard for data labeling and evaluation across various modalities, including text, images, time series, and agents in environments. With over 250,000 users and hundreds of millions of labeled samples, it stands as the most widely adopted OSS solution for teams dedicated to building AI systems.Label Studio Enterprise enhances this success with the necessary security, collaboration, and scalability features to support mission-critical AI pipelines, powering everything from model training datasets to evaluation test sets and continuous feedback loops. We began our journey before foundation models became mainstream, and we are doubling down now that AI is transforming the world. If you are passionate about helping leading AI teams create smarter and more accurate systems, we would love to hear from you.(CROATIA BASED) AI Data Collector — Turn the World Into Your Workplace!Are you passionate about exploration?Do you enjoy discovering the world around you?Would you like to earn a competitive salary while engaging in something enjoyable, flexible, and meaningful?We are seeking inquisitive, detail-oriented individuals to join our team as AI Data Collectors. In this role, your surroundings will serve as your office. You will contribute to shaping the future of AI by capturing high-quality data...

Are you excited about artificial intelligence and have a knack for analyzing text and multimedia content?We are in search of meticulous linguists who possess native fluency in Croatian to assist with AI training projects. Your tasks will include evaluating prompts, comprehending video content, reviewing and correcting text, among other responsibilities.This is a fully remote, freelance position.Ideal Candidate Profile Must be a native Croatian speaker Proficient in English Preferred experience in reviewing, annotating, or evaluating content Exceptional attention to detail and capability to accurately categorize content Comfortable with both text and audio/video materials Ability to consistently adhere to detailed guidelines and provide constructive feedbackWhat We Provide Complimentary access to our state-of-the-art NMT technology, along with comprehensive training and support Swift payments through Tipalti — no invoicing necessary Opportunity to engage in pioneering advancements in AI and content comprehensionIf you are interested, please submit an updated resume in English.AI is revolutionizing global communication — and LILT is at the forefront of this transformation.LILT is dedicated to making the world’s knowledge accessible to everyone, irrespective of their language. Join our innovative global community where creativity and excellence are celebrated. Our unique skills and collective wisdom provide multilingual AI and human-verified services to enterprises, governments, and AI developers worldwide.Earn money. Enjoy your work. Contribute to human knowledge. Engage in diverse projects from any location, at times that suit you. Receive timely and fair compensation while expanding your professional network in a supportive environment—all through a streamlined application process designed for your expertise.

Jobgether is looking for an AI LoRA Character Creator based in Croatia. This position centers on designing and building original character models using advanced AI tools. The role supports projects that explore new directions in AI and gaming. Role overview The AI LoRA Character Creator develops unique characters, combining creative vision with technical expertise. Work will focus on generating imaginative designs that fit a range of project needs and styles. What you will do Create and refine character models with AI-based methods, especially LoRA (Low-Rank Adaptation) techniques. Collaborate with team members to integrate character assets into ongoing projects. Contribute ideas that help shape the visual direction of new games and AI experiences. Requirements Experience with character design and AI-driven modeling. Strong creativity paired with technical skill in relevant tools. Interest in pushing the boundaries of AI and gaming.

About Us EverAI — Pioneering the Future of AI CompanionshipRanked among the Top 15 Largest & Fastest-Growing AI Companies GloballyWith a goal to expand from 40 million users to 100 million, and ultimately to 500 million.At EverAI, we're redefining the relationship between humans and AI. Our flagship product is the world’s largest AI girlfriend/boyfriend platform, transforming how millions connect emotionally. This initiative is supported by our internal AI moderation system, EverGuard, ensuring our services remain safe, ethical, and centered on human values.Join us as we embark on this exciting journey!Our TeamWe are a dedicated and dynamic team of 75 individuals, with our founders having extensive entrepreneurial backgrounds in scaling web products from inception to IPO.Leadership Team:Alexis Soulopoulos [CEO] - 10+ years in tech leadership, co-founder of Mad Paws Holdings.Michael Monin [Co-founder & CTO] - 10+ years as CTO/COO in web2/web3, recently focused on AI/LLM.Thomas Lacroix [Co-founder & CMO] - 8+ years in customer acquisition and e-commerce growth.Maruša Fasano [CFO/Legal] - 25+ years in finance, strategy, and M&A.Your RoleAs a Tech Lead in LLM & Generative AI, you will be at the forefront of creating innovative AI solutions that enhance user engagement and safety. We are not just building applications; we are crafting experiences that resonate with our users.

Role Overview everai is looking for a Senior AI Vertical Mini-Series Director on a freelance basis. This fully remote role centers on leading the production of content that highlights new developments in AI technology. What You Will Do Direct and shape mini-series focused on AI verticals Collaborate with a distributed team of professionals Ensure each series communicates technical topics in a clear, engaging way Location This position is open to candidates based in Croatia and offers full remote flexibility.

The future of artificial intelligence relies on high-quality data for training and evaluation, whether through classical machine learning or advanced workflows.At HumanSignal, we are creating an innovative platform that facilitates the collection, curation, and assessment of data. Our tools empower leading AI teams to enhance models with accurate real-world signals, eliminating noise.Our open-source product, Label Studio, has emerged as the industry standard for labeling and evaluating data across various modalities, including text, images, time series, and agent-environment interactions. With a user base exceeding 250,000 and hundreds of millions of labeled samples, it stands as the most widely utilized solution for AI system development.Label Studio Enterprise extends this success by offering the security, collaboration, and scalability features essential for mission-critical AI workflows, supporting everything from model training datasets to evaluation test sets and continuous feedback loops. We began our journey before foundation models gained popularity, and we are committed to advancing AI as it transforms industries. If you're eager to support top AI teams in building smarter, more precise systems, we would love to hear from you.(CROATIA BASED) AI Data Collector — Transform the World into Your Office!Do you have a passion for exploration and scavenger hunts?Are you excited about discovering your surroundings?Would you like to earn a competitive salary while engaging in enjoyable, flexible, and impactful work?We are seeking inquisitive and detail-oriented individuals to join us as AI Data Collectors. In this role, you will turn the world into your workspace, contributing to the future of AI by capturing high-quality data.

At DigitalGenius (DG), we are dedicated to revolutionizing the online shopping experience. Our innovative approach combines conversational AI with robust integrations to ensure a seamless journey for customers.Unlike conventional chatbots that often lead to frustration, our advanced e-commerce chatbot is designed to effectively address customer issues from start to finish. It proactively identifies carrier problems, conducts investigations, generates return labels, manages refunds, and facilitates replacements—all before the customer even realizes there was an issue.We pride ourselves on collaborating with prestigious brands such as On, Holland & Barrett, Cozey, Caraway, MyTheresa, Clarins, Air Up, Universal Music Group, and Huda Beauty, who share our vision.Our team consists of passionate and inquisitive individuals who believe in the product we are creating and the mission behind it. Each member operates with autonomy and responsibility, but true success comes from our collective collaboration to make all the components work in harmony.DigitalGenius is a place for those who are driven, curious, and ambitious. We excel by surpassing expectations—not out of obligation, but because we genuinely care.As a Solutions Engineer at DigitalGenius, you will play a pivotal role in the post-sales phase, working closely with Product and Customer Success Managers (CSMs) to design, implement, and enhance AI-driven customer service solutions for our clients. You will take on technical ownership of customer implementations, ensuring that solutions are scalable, secure, and aligned with both business objectives and product capabilities.

Join Zyte as a Technical Product Manager / Owner specializing in AI technologies. In this remote role, you will lead the development of innovative products that leverage artificial intelligence to enhance user experiences and drive business growth. Your expertise in product management and technical acumen will be essential in collaborating with cross-functional teams to define product vision, strategy, and roadmap.

Datatonic is looking for a Senior Software Engineer in Zagreb, Croatia. This role focuses on building the interface between people and artificial intelligence, developing GenAI solutions that turn complex data into practical insights on Google Cloud. Senior engineers at Datatonic guide projects from the first business idea through to secure, scalable, and approachable applications. What You Will Do AI Application Development: Design, build, and launch full-stack applications that use LLMs and AI to improve user experiences. System Design: Create high-level designs and data flow diagrams. Choose Google Cloud services that fit performance and scaling needs. Software Quality: Write production-ready code, automate CI/CD, and handle monitoring and security throughout the application lifecycle. Client Consulting: Act as a technical advisor, turning client needs into clear technical plans and recommending suitable frameworks. Team Collaboration: Work closely with Data Scientists, ML Engineers, DevOps, and Data/Analytics Engineers to bridge model outputs and front-end features. What We Look For Experience: At least 3 years in software engineering, with a track record of shipping production code. Technical Skills: Frontend: Skilled with modern frameworks like React, Svelte/SvelteKit, or Angular, and understand UI/UX basics. Backend: Strong in Python (FastAPI or Flask) or Node.js, with experience in REST/GraphQL and microservices. Data: Solid background in database design (SQL and NoSQL) and scaling data in the cloud. Cloud & DevOps: Comfortable with GCP tools (Cloud Run, GKE, Firebase) and secure coding practices (OAuth, OIDC, OWASP). Mindset: Adaptable, able to manage technical debt, mentor others, and explain complex choices to non-technical partners. Why Work at Datatonic? Industry Recognition: Datatonic is a Google Cloud 10x Partner of the Year, working at the leading edge of AI.

Speechify builds tools that turn text into speech, helping over 50 million people convert PDFs, books, Google Docs, news articles, and websites into audio. Our mission is to remove reading as a barrier to learning, so users can read faster, remember more, and enjoy deeper learning. Our product lineup includes apps for iOS, Android, Mac, a Chrome extension, and a web app. Speechify has earned recognition from Google as 'Chrome Extension of the Year' and received Apple’s 2025 Design Award for Inclusivity. The team is fully remote, with nearly 200 colleagues who bring experience from Amazon, Microsoft, Google, Stanford, and other leading organizations. We value engineers and researchers who want to shape the future of accessible learning. Role Overview Speechify is hiring a Software Engineer for the Data division of our AI team. This person will help lead data collection efforts for model training, focusing on building and maintaining data infrastructure at petabyte scale. The work blends infrastructure, engineering, and research to deliver high-quality datasets efficiently and affordably. The main focus is improving our data ingestion pipeline. What You Will Do Find and connect new audio data sources to our ingestion pipeline. Manage and grow our cloud infrastructure on Google Cloud Platform using Terraform. Work with scientists to improve cost, throughput, and data quality, supporting large-scale model training. Partner with the AI team and company leadership to define the dataset roadmap for future consumer and enterprise products. Location This position is remote, based in Split, Croatia.

At Welo Data, a part of Welocalize, we are at the forefront of AI development, boasting a diverse network of over 500,000 contributors dedicated to providing high-quality, ethical data for training the most advanced AI systems globally. Join us as we create smarter, more human-like AI solutions with a community that spans across more than 100 countries.Our motto, 'Limitless AI. Limitless You.' embodies our commitment to fostering growth and flexibility. We empower our contributors to engage in meaningful work on their own terms, allowing for personal and professional development.Are you detail-oriented and passionate about technology? Welo Data is actively building a global network of linguists, language enthusiasts, and culturally aware contributors to develop safer and smarter AI solutions. By becoming a part of our talent community, you will gain priority access to flexible, remote projects in tasks such as annotation, evaluation, and prompt creation—always tailored to your availability and preferences. Note: This is not a current job opening. By applying, you join our global contributor network. We will contact you with project details that align with your skills and availability, including scope, timeline, and compensation. Qualifications Required- Native or near-native proficiency in Croatian- Residing in: Croatia, Serbia, or the United States- Proficient in English- Familiar with digital tools- Detail-oriented with a curiosity for technology Why Collaborate with Us? Experience Limitless Opportunities – Work flexibly and expand your skillset Impact AI Development – Contribute to the creation of inclusive AI technologies Join a Supportive Global Community Project Overview:Welo Data's projects differ in scope and complexity, each crucial for developing accurate, inclusive, and human-centric AI solutions.Depending on your skillset, you may: Annotate or label various media types to train AI systems Assess the quality and relevance of search results, advertisements, or chatbot responses Develop and refine prompts to enhance large language models (LLMs)