Lead Full-Stack Engineer specializing in AI-Assisted Development

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, mentore…

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.

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.

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.

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.

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.

We are seeking an innovative and driven Tech Lead to oversee our Web Core Product and Chrome Extension teams. In this role, you will be responsible for leading the technical strategy and implementation of our products, ensuring they meet the highest quality standards. You will work closely with cross-functional teams including product management, design, and engineering to deliver exceptional user experiences.As a Tech Lead, you will mentor and guide a talented team of engineers, fostering a culture of collaboration and continuous improvement. You will play a key role in shaping the future of our products and driving innovation within the organization.

Role overview Speechify is looking for a Tech Lead to join the Android Core Product team in Zagreb, Croatia. The position focuses on guiding Android application development and making key technical decisions for core projects. What you will do Lead the Android Core Product team, setting the technical direction for major projects Collaborate with engineers, designers, and product managers to build Android apps that deliver strong user experiences Uphold high standards for code quality and app performance Location This is an in-person role based in Zagreb, Croatia.

About WingWing stands as a global leader in virtual talent, propelled by significant venture capital and headquartered in San Francisco. We harness our extensive reach, a vast pool of applicants, and robust operational know-how to create state-of-the-art AI and automation tools. Our mission is to empower businesses to streamline workflows, maximize revenue, and tap into exceptional global talent.As we evolve, we are developing a cutting-edge outbound marketing engine aimed at effectively engaging small to mid-sized businesses on a large scale. This initiative calls for a unique role that deftly combines engineering, automation, rapid experimentation, and go-to-market execution.About the RoleWe are seeking a full-time GTM Automation Engineer to design, automate, and enhance our outbound growth systems. This hybrid position merges expertise in Clay automation, light engineering skills, outbound infrastructure management, experimentation, and impactful copywriting.In this role, you will construct and oversee the driving force behind our outbound initiatives: Clay workflows, enrichment pipelines, domain infrastructure, multi-tool integrations, personalization systems, and data analytics dashboards. You will conduct high-velocity experiments, create conversion-oriented outbound copy, troubleshoot deliverability issues, and scale outreach to hundreds of thousands of leads.Collaboration with our marketing, product, and sales teams will be essential, but you will have significant ownership and autonomy over your domain. The systems you develop will directly influence our pipeline, revenue, and go-to-market strategies. This is a high-impact, technical role situated at the crossroads of engineering and growth, where your contributions will have a profound effect.ResponsibilitiesYou will take charge of the complete outbound automation ecosystem, including:1. Clay Workflows & Lead Infrastructure- Develop sophisticated Clay workflows for data scraping, enrichment, verification, scoring, routing, and personalized outreach.- Utilize APIs, webhooks, and custom coding to streamline data pipelines.- Create ideal customer profile (ICP) logic, triggering systems, and multi-step lead processes.2. Multi-Domain Email Infrastructure, Deliverability, Verification- Configure hundreds to thousands of domains, including warming, DNS, DMARC, DKIM, and SPF setups.- Establish scalable campaign systems in Instantly, leveraging Apollo data.- Master email verification tools such as LeadMagic and BounceBan.- Ensure deliverability and sending health across all domains.- Implement verification, data cleansing, and bounce prevention methods.3. Experiments & Optimization- Launch multiple outbound experiments weekly, measuring their effectiveness, and continuously optimizing for success.

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.

Lead Architect for AI SolutionsJoin datatonic as a strategic technical leader responsible for designing our cutting-edge AI Solutions, Intellectual Property, and Service Offerings. As part of the Office of the CTO, you will collaborate directly with the Global Head of AI to shape our technical strategy and oversee the roadmap for our enterprise-level AI products.You will take charge of developing our AI Intellectual Property and internal accelerators while serving as the technical expert and mentor for our engineering hub in Croatia, ensuring that local deliveries meet our global technical and consulting standards.Your ResponsibilitiesLead the development and ownership of a comprehensive roadmap for both internal and external AI solutions, agents, intellectual property, and products.Collaborate with the Head of AI and OCTO leadership to devise the long-term AI strategy for the organization, ensuring alignment of AI technical capabilities and service offerings with corporate strategic objectives.Execute the strategy by establishing technical standards, crafting customer offerings, and effectively communicating the vision to the internal team.Create and define internal/external accelerators and reusable frameworks to enhance our service delivery capabilities, thereby reinforcing our status as industry leaders. This includes tasks such as developing and deploying agents to expedite delivery, creating delivery frameworks, architectures, and reusable code templates.Partner with the Head of AI to devise service offerings and corresponding technical architectures, including the development of a robust

xntltd is searching for a Budgeting Tool Implementation Lead to join the team in Croatia. This role centers on bringing new budgeting solutions into the company and shaping financial processes for better efficiency. Key responsibilities Oversee the full implementation of budgeting tools, from initial planning through to deployment. Collaborate with teams across different departments to ensure new processes are integrated smoothly. Provide training and ongoing support to staff as they adapt to the new tools. Contribute to the design of workflows that support operational efficiency and improved financial outcomes. Requirements Proven experience in financial management and leading project implementations. Strong analytical abilities and attention to detail. Effective communication skills with both finance and non-finance colleagues. Ability to work well in a collaborative, cross-functional environment. This position is based in Croatia (Hrvatska).

Join the Printec Team!At Printec, we are at the forefront of business-to-customer transaction technology across Central and Eastern Europe. With over 35 years of experience, we provide innovative technological solutions that redefine transactions, ensuring seamless and secure interactions.Our offerings range from click & collect parcel delivery and unattended vending machines to digital onboarding and electronic signature solutions. We are dedicated to enhancing the safety, speed, and ease of digital transactions.Did you know? Printec powers many of your everyday transactions!Watch our video to explore our business solutions.

Veeva Systems is an innovative company dedicated to transforming the life sciences industry by providing cloud solutions that accelerate the delivery of therapies to patients. As one of the fastest-growing SaaS organizations globally, we achieved over $2 billion in revenue in our previous fiscal year and have significant growth opportunities ahead.Our core values drive everything we do: Do the Right Thing, Customer Success, Employee Success, and Speed. In 2021, we made history by becoming a public benefit corporation (PBC), committed to balancing the needs of customers, employees, society, and investors.As a Work Anywhere company, we offer flexible work arrangements, allowing you to work from home or in the office to maximize your productivity.Join us in our mission to revolutionize the life sciences sector, making a meaningful impact on our customers, employees, and communities.The RoleAt Veeva Link, our goal is to establish ourselves as the global leader in deep data for life sciences. Our platform assists professionals in identifying key individuals for clinical trials, educational initiatives, and advisory boards. This efficient access to information helps shorten the time it takes to bring critical medications to market, facilitates trials with the most relevant experts, and disseminates knowledge about new treatments within the life sciences community. Further information on Veeva Link can be found on our product pages at https://www.veeva.com/products/veeva-link/. As the Lead, you will oversee and mentor a remote team of around 40 researchers dedicated to identifying data pertaining to Key People, ensuring adherence to compliance and quality standards. You will be responsible for designing data production processes and implementing improvements in our operations and technology. Your leadership will directly impact your team's efficiency and quality of output.

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.

Join our dynamic team at Speechify as a Software Engineer specializing in platform development. We are looking for talented individuals who are passionate about creating innovative solutions and enhancing user experiences. In this role, you will collaborate with cross-functional teams to design, develop, and maintain scalable software solutions that cater to our diverse user base.

Role overview Speechify is looking for an iOS Core Product Software Engineer to join the team in Zagreb, Croatia. This position centers on building and enhancing iOS applications, with a direct influence on the features and experience delivered to users. What you will do Design and implement new features for Speechify’s iOS products Collaborate with engineers and other team members to deliver quality updates Improve app performance and help refine the user experience What we value Creative approaches to technical challenges Strong skills in problem-solving Interest in technology and ongoing product improvement

At Dev.Pro, we are dedicated to creating meaningful projects that make a difference in the lives of millions globally. We believe in the unique contributions of every individual and are committed to fostering a diverse, friendly, and supportive work environment.We are seeking an exceptional Technical Team Lead who excels in navigating complex technical challenges and possesses the ability to communicate effectively with CTO-level stakeholders. This hybrid position allows for a balanced mix of onsite and remote work. As the key onsite leader for a vital payment harmonization platform, you will guide and mentor a high-performing team, connecting intricate C/Perl legacy systems with modern enterprise standards. Your primary focus will be on collaborating with technical leadership, maintaining architectural integrity, and delivering high-throughput, reliable payment solutions tailored to client requirements. What’s in it for you:Engage with a mission-critical, real-time payment platform that facilitates high-volume, multi-processor transactionsTransform a legacy C/Perl system into a robust, enterprise-standard architectureCollaborate with senior leadership to influence decisions that shape the platform and enhance client success Are you the right fit?6+ years of experience with distributed payment systems and high-throughput processing2+ years in the payments domain with a comprehensive understanding of the payment lifecycle (authorization, capture, settlement)Proficient in payment orchestration, gateway integrations, tokenization, smart routing, retries, and multi-processor environmentsFamiliarity with authorization and settlement pipelinesKnowledgeable in card networks (Visa, Mastercard, Amex) and ISO 8583/SPDH messagingUnderstanding of PCI DSS complianceProficient in PostgreSQL and Unix-based systems, with knowledge of networking fundamentalsDemonstrated ability to collaborate with senior engineers, architects, and technical leads in Agile teamsExcellent communication skills, capable of translating technical challenges into clear business strategiesA proactive, solution-oriented mindset, open to new ideas and constructive feedbackUpper-Intermediate English proficiency and native-level CroatianDesirable Skills:Experience with low-level C cores and advanced Perl data-transformation layersFamiliarity with C and Perl or a willingness to learnExperience with Google Cloud Platform (GCP)Key Responsibilities:In this role, you will represent the Dev.Pro partnership, identify areas for project development, and ensure the team delivers measurable, high-efficiency results that exceed client expectations.