Full-Stack Developer - AI Trainer

Remote Full-time

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Qualifications

Proficiency in both front-end and back-end development. Experience with programming languages such as JavaScript, Python, or similar. Familiarity with AI principles and frameworks. Strong problem-solving skills and ability to work collaboratively in a team environment.

About the job

anyone-ai is looking for a Full-Stack Developer - AI Trainer based in Romania.

Role overview

This position blends hands-on full-stack development with the challenge of building AI training systems. The work centers on applying software engineering skills to support and improve artificial intelligence technologies. Contributions here help shape how AI learns and adapts.

About anyone-ai

anyone-ai is at the forefront of artificial intelligence development, dedicated to pushing the boundaries of technology to create smarter solutions. Our dynamic team is passionate about harnessing AI to transform industries and improve lives.

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Senior Software Engineer - Admin Platform

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People.ai is an innovative AI-driven foundational data platform empowering businesses to achieve go-to-market success and sustainable growth through tailored solutions. Our platform offers enhanced pipeline visibility, actionable insights, and a unified source of truth for all sales activities. People.ai boasts a unique dataset comprising trillions of sales …

Jan 22, 2026

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jobgether

Full-time|On-site|Romania

Jobgether is looking for a Senior Software Engineer based in Romania to help build and refine AI SaaS solutions. This position offers the chance to shape software that improves efficiency and user experience. What you will do Design, develop, and optimize applications focused on AI-driven SaaS products Work closely with cross-functional teams to define and clarify software requirements Write high-quality, maintainable code Ensure systems are scalable and reliable Mentor junior developers and support their growth Contribute ideas to improve development processes Who we’re looking for Experienced software engineer with a strong background in application design and implementation Comfortable collaborating across teams and sharing knowledge Skilled at writing code that is both efficient and robust Committed to building reliable, scalable systems Enjoys mentoring and supporting less experienced developers

Apr 29, 2026

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Full Stack Software Engineer for AI Training

Lifted An Upwork Company

Contract|On-site|Bucharest

Join our dynamic team as a Full Stack Software Engineer specializing in AI Training. In this role, you'll work on innovative AI solutions that drive our projects forward. We seek individuals who are passionate about technology and eager to contribute to cutting-edge developments in the field.

Mar 31, 2026

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Full-Stack Developer - AI Trainer (Remote, Romania)

Anyone AI

Contract|Remote|Romania

Join Anyone AI as a talented Full-Stack Developer and collaborate on groundbreaking projects with a leading AI research lab. This role offers a unique opportunity to contribute your expertise in software engineering to the advancement of AI technologies.Qualifications:Fluent written English with advanced proficiency3 to 7 years of experience in software engineeringExpertise in Python and JavaScript/TypeScript; familiarity with Java, C#, or Go is a plusExperience in backend or full-stack development within production environmentsProficient with testing frameworks like pytest, Jest, JUnit, and Go testingStrong debugging skills and ability to work with large, complex codebasesExperience with code reviews, refactoring, and deploying production migrationsEngagement: Part-time, project-based consulting work.Work Type: Fully RemoteAs a contributor, you will be responsible for designing and evaluating realistic software engineering tasks, including bug fixes, feature development, refactoring, and generating tests. Your work will involve creating intricate coding scenarios and reviewing submissions from peers for quality assurance.This consultant role compensates you on a per-project basis, with hourly rates based on expected completion times. You will have the flexibility to set your own schedule, use your tools, and work with multiple clients as permitted.Responsibilities:In this role, you will:Design and implement coding tasks across various domains including bug fixing, feature development, refactoring, and testingDraft clear and comprehensive natural-language specifications along with reference implementationsDevelop and enhance unit and integration test suitesEvaluate peer-generated tasks for accuracy, clarity, and realismIdentify edge cases, ambiguities, and potential failure modesEnsure alignment between specifications, code, and expected outputsExpected Outcomes:Delivery of high-quality, production-ready coding solutions

May 4, 2026

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Junior Software Engineer Internship

Cresta

Internship|Hybrid|Cluj, Romania (Hybrid)

Cresta is dedicated to transforming customer conversations into a strategic advantage, unlocking the full potential of contact centers. Our innovative platform integrates cutting-edge AI with human intelligence, enabling contact centers to uncover customer insights, streamline communications, and empower teams to operate more efficiently. Founded by Sebastian Thrun, a visionary behind Google X, Waymo, and Udacity, Cresta is guided by industry leaders including CEO Ping Wu, a co-founder of Google Contact Center AI and Vertex AI, along with Tim Shi, an early contributor at OpenAI. As we expand our footprint in Romania, we are building a dynamic tech hub where early team members will help shape our engineering initiatives. We foster a remote-first culture, offering collaborative opportunities with teams across Europe, the US, and Canada. Our vision includes developing a co-working space in Romania, transitioning towards a hybrid work environment. Join us as we embark on this exciting journey to revolutionize the workforce with AI. Be a part of the future at Cresta.

Mar 2, 2026

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Infrastructure Software Engineer (Kubernetes)

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Full-time|Remote|Romania (Remote)

Cresta is dedicated to transforming customer conversations into a strategic advantage by harnessing the full potential of contact centers. Our innovative platform integrates cutting-edge AI with human intelligence, enabling contact centers to uncover valuable customer insights, streamline automation, and empower team members to operate more efficiently. Founded by the visionary Sebastian Thrun of Stanford AI lab fame, our leadership team features industry pioneers such as CEO Ping Wu, who co-created Google Contact Center AI, alongside co-founders Tim Shi, a former member of OpenAI, and other notable figures. Our exceptional team comprises AI and ML specialists, market leaders, and esteemed investors from firms like Andreessen Horowitz and Sequoia. We proudly serve well-regarded clients such as Intuit, Hilton, and Cox Communications, and have been recognized by Forbes and Bain Consulting as a top private AI firm. Embark on a thrilling journey with us to revolutionize the workforce through AI. The future of work is unfolding at Cresta.About the role:As a pivotal member of our infrastructure team, you will take charge of designing, constructing, and enhancing our core infrastructure, enabling the engineering team to execute tasks swiftly, productively, and securely. You will thrive in a collaborative yet highly autonomous environment where each team member has a well-defined role and the freedom to explore projects that spark their interest.

Mar 2, 2026

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AI Engineer at Qualysoft | Bucharest

Qualysoft

Full-time|On-site|Bucharest

Role overview Qualysoft seeks an AI Engineer to join its Bucharest office. The focus of this position is to build and deploy AI applications that help businesses operate more efficiently. Collaboration with colleagues from a range of backgrounds is a key part of bringing AI solutions into practical, real-world systems. Main responsibilities Design and develop AI models and algorithms to solve complex problems. Collaborate with cross-functional teams to integrate AI into existing platforms. Analyze data and assess models to ensure accuracy and effectiveness. Stay informed about advances in AI and machine learning technologies. Requirements Bachelor's degree in Computer Science, Engineering, or a related field. Practical experience with AI development and machine learning frameworks. Proficient programming skills in Python, Java, or R. Strong analytical and problem-solving abilities. Ability to work independently and as part of a team. Location This role is based in Bucharest.

Apr 22, 2026

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Senior Frontend Software Engineer

Cresta

Full-time|Hybrid|Cluj, Romania (Hybrid)

Cresta is driven by a vision to transform every customer interaction into a strategic advantage, harnessing the full potential of the contact center. Our innovative platform merges AI and human expertise, enabling contact centers to uncover valuable customer insights, streamline conversations and processes, and empower every team member to perform at their best. Founded by Sebastian Thrun, a visionary from the Stanford AI lab and a pioneer behind Google X and Waymo, Cresta's leadership includes CEO Ping Wu, a co-founder of Google Contact Center AI, and Tim Shi, a key contributor to Open AI. We have assembled an extraordinary team of AI and ML specialists, market leaders, and esteemed investors, including Andreessen Horowitz, Greylock Partners, and Sequoia, along with former AT&T CEO John Donovan. Our esteemed clients, such as Intuit, Cox Communications, Hilton, and Carmax, recognize us as one of the top private AI companies globally, as featured by Forbes and Bain Consulting. Join us on this exhilarating journey to redefine work with AI. The future of work is now, and it’s happening at Cresta.Cresta is thrilled to extend our operations to Romania and establish a tech hub in the region. As an early joiner, you will play a pivotal role in building our engineering team in Romania and shaping the future of our local site. We offer a remote-first work environment, providing opportunities to collaborate with a global team across Europe, the US, and Canada.

Mar 2, 2026

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Junior Software Engineer Internship

Cresta

Internship|Hybrid|Bucharest, Romania (Hybrid)

Cresta is on a mission to transform customer interactions into a strategic advantage by harnessing the full potential of contact centers. Our cutting-edge platform integrates advanced AI with human expertise, enabling contact centers to uncover customer insights, streamline conversations, automate inefficient processes, and empower team members to enhance productivity. Founded by Sebastian Thrun, a visionary behind Google X and Waymo, our leadership team includes industry pioneers like Ping Wu and Tim Shi, who have extensive experience with Google Contact Center AI and OpenAI. We have built a distinguished team of AI and ML specialists, market leaders, and esteemed investors such as Andreessen Horowitz and Sequoia. Our impressive clientele includes notable brands like Intuit, Cox Communications, Hilton, and Carmax, and we have been recognized by Forbes as one of the leading private AI companies worldwide. Join us as we embark on an exciting journey to revolutionize the workforce with AI. The future of work is here, and it’s at Cresta.Cresta is thrilled to announce the expansion of our operations to Romania, establishing a tech hub in the region. As an early joiner, you will be instrumental in forming our engineering team in Romania, helping shape the future of our local operations. We offer a remote-first work environment, allowing collaboration with a diverse global team spanning Europe, the US, and Canada. Our long-term vision includes creating a co-working space in Romania, transitioning towards a hybrid work model.

Mar 2, 2026

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Full-Stack Developer - AI Trainer

anyone-ai

Full-time|Remote|Romania

anyone-ai is looking for a Full-Stack Developer - AI Trainer based in Romania. Role overview This position blends hands-on full-stack development with the challenge of building AI training systems. The work centers on applying software engineering skills to support and improve artificial intelligence technologies. Contributions here help shape how AI learns and adapts.

Apr 14, 2026

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Lead for Gen AI Adoption in Engineering Productivity

N-iX

Full-time|On-site|Romania

Location: Romania N-iX brings together over 2,400 professionals from more than 40 countries, delivering software development services for Fortune 500 clients and industry leaders. The company’s teams work across cloud, data analytics, AI/ML, embedded software, and IoT, supporting digital transformation in sectors like finance, manufacturing, telecom, and healthcare. Role overview This position leads generative AI adoption within engineering productivity at N-iX. The role centers on hands-on experimentation with new AI tools, integrating generative AI into daily engineering workflows, and sharing practical insights. Curiosity and a willingness to learn are as important as technical expertise. What you will do Test generative AI in real coding scenarios and show engineering teams how to apply these tools in practice. Bring expertise in areas such as QA, backend, DevOps, data, or PM/BA, and collaborate to support the entire software development lifecycle. Lead workshops, live demonstrations, and paired sessions to train engineers through direct experience. Prototype and refine lightweight tools, prompts, and playbooks as new insights are discovered. Consult with different clients to find effective adoption strategies, considering unique challenges and resistance to change. Who will succeed This role fits engineers who enjoy exploring new approaches, learn quickly from setbacks, and want to help others develop. Experience with tools such as Copilot, Claude, or Cursor, or an interest in prompt engineering, is helpful. Curiosity, adaptability, and teamwork are highly valued.

Apr 23, 2026

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Staff Software Engineer, Backend - Bucharest

Cresta

Full-time|Hybrid|Bucharest, Romania (Hybrid)

Cresta is dedicated to transforming every customer interaction into a strategic advantage by harnessing the full power of contact centers. Our innovative platform merges cutting-edge AI with human expertise to enable contact centers to uncover customer insights, automate conversations, streamline processes, and empower every team member to enhance productivity. Established by the esteemed Stanford AI lab, Cresta is co-founded by Sebastian Thrun, renowned for his contributions to Google X, Waymo, and Udacity. Our leadership team includes CEO Ping Wu, co-founder of Google Contact Center AI and Vertex AI, along with Tim Shi, an early member of OpenAI.We have brought together a stellar team of AI and ML specialists, market leaders, and premier investors, including Andreessen Horowitz, Greylock Partners, Sequoia, and former AT&T CEO John Donovan. Our esteemed clients feature brands such as Intuit, Cox Communications, Hilton, and Carmax, and we have been recognized by Forbes and Bain Consulting as one of the top private AI companies globally.Join us in this exciting journey to reshape the workforce with AI. The future of work is at Cresta.

Mar 2, 2026

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Staff Software Engineer, Frontend (Cluj)

Cresta

Full-time|Hybrid|Cluj, Romania (Hybrid)

Cresta is on a transformative journey to revolutionize customer conversations into a strategic advantage, tapping into the full potential of contact centers. Our innovative platform seamlessly integrates cutting-edge AI with human intelligence, enabling contact centers to uncover valuable customer insights and optimal behavioral practices, automate repetitive tasks, and empower every team member to enhance their productivity. Founded by renowned AI expert Sebastian Thrun, a pioneer behind Google X and Waymo, our team includes trailblazers like CEO Ping Wu, co-founder of Google Contact Center AI, and Tim Shi, an early contributor to Open AI.We are actively establishing our operations in Romania, aiming to create a robust tech hub in the region. As an early member of our engineering team, you will be pivotal in shaping our Romanian operations and contributing to our mission of redefining the future of work through AI. Embrace the opportunity to work in a remote-first environment, where your contributions will play a crucial role in our innovative journey.

Mar 2, 2026

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Senior Backend Software Engineer

Cresta

Full-time|Hybrid|Bucharest, Romania (Hybrid)

Cresta is dedicated to transforming customer interactions into significant competitive advantages by harnessing the full potential of contact centers. Our innovative platform integrates artificial intelligence and human insights to uncover customer behavior, streamline processes, and empower teams to perform with greater efficiency. Founded by Sebastian Thrun, a visionary from Stanford's AI lab and the mind behind Google X, Waymo, and Udacity, our leadership also includes CEO Ping Wu, a co-founder of Google Contact Center AI, and Tim Shi, an early member of OpenAI.Join us as we embark on an exciting journey to redefine the future of work through AI. Experience the evolution of the workforce at Cresta.About the Role:As a Senior Backend Software Engineer on the Voice Platform team, you will play a pivotal role in reshaping our real-time voice infrastructure and enhancing contact center automation through advanced AI-driven backend systems. You will be instrumental in designing, scaling, and maintaining the distributed services that form the backbone of Cresta's voice ecosystem. Your contributions will include spearheading projects involving SIP and WebRTC support, multilingual processing, and real-time conversation intelligence. This position calls for strong technical leadership, a commitment to building dependable distributed systems, and the capacity to collaborate effectively with engineering and product teams to launch innovative features.

Mar 2, 2026

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Backend Software Engineer (Cluj)

Cresta

Full-time|Hybrid|Cluj, Romania (Hybrid)

Cresta is revolutionizing the contact center industry, transforming every customer interaction into a strategic advantage. Our innovative platform merges cutting-edge AI technology with human expertise, enabling contact centers to extract valuable customer insights, streamline communication processes, and enhance overall efficiency. Co-founded by the renowned Sebastian Thrun, a pioneer in AI and former leader at Google X, Cresta has garnered the attention of top-tier investors and industry leaders.Our diverse clientele includes prominent brands such as Intuit, Cox Communications, Hilton, and Carmax, and we’ve been recognized as one of the leading private AI companies by Forbes and Bain Consulting. Join us in our mission to redefine the future of work with AI-driven solutions.Role Overview:As part of the Knowledge Assist (KA) team, you will develop AI solutions that empower contact center agents with timely and relevant information. Our initiatives include real-time generative assistance, knowledge search capabilities, and seamless integration with customer systems.We seek a passionate software engineer with a strong inclination for backend development who can thrive in a fast-paced environment. While this position primarily focuses on backend technologies, having a full-stack skill set will be an advantage.

Mar 2, 2026

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Senior AI/ML Engineer

Endava

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Feb 6, 2026

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Senior Backend Software Engineer

Cresta

Full-time|Hybrid|Cluj, Romania (Hybrid)

Cresta is revolutionizing the way customer interactions are transformed into strategic advantages through our innovative contact center platform. By integrating cutting-edge AI with human expertise, we empower businesses to uncover valuable customer insights, streamline processes, and enhance team efficiency. Founded by renowned Stanford AI lab co-founder Sebastian Thrun, whose visionary work includes Google X and Waymo, our leadership team also boasts Ping Wu, co-founder of Google Contact Center AI, and Tim Shi, an early member of Open AI.We’ve gathered an elite team of AI and ML specialists, industry leaders, and top-tier investors such as Andreessen Horowitz and Sequoia. Our esteemed clientele includes major brands like Intuit, Cox Communications, Hilton, and Carmax, and we’ve been recognized by Forbes and Bain Consulting as a top private AI company globally.Join us as we embark on an exciting journey to redefine the workforce with AI. The future of work is here and it starts at Cresta.

Mar 2, 2026

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Lead Edge AI Engineer

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Full-time|On-site|Cluj-Napoca

Join Grab as a Lead Edge AI Engineer, where you will spearhead innovative AI solutions that drive our business forward. In this role, you will collaborate with cross-functional teams to design, develop, and deploy cutting-edge AI models and algorithms that enhance our services and products. You will be a key player in our mission to leverage artificial intelligence to solve real-world challenges.

Dec 17, 2025

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Senior Frontend Software Engineer (Bucharest)

Cresta

Full-time|Hybrid|Bucharest, Romania (Hybrid)

Cresta is on a transformative journey to redefine customer engagement by harnessing the power of AI and human expertise. Our innovative platform empowers contact centers to extract insights from customer interactions, streamline processes, and boost efficiency. With roots in the renowned Stanford AI lab, Cresta was co-founded by Sebastian Thrun, a visionary behind Google X and Waymo. Our leadership team also includes Ping Wu, co-founder of Google Contact Center AI, and Tim Shi, an early member of OpenAI. We have built a world-class team of AI and machine learning professionals, alongside industry leaders and significant investors such as Andreessen Horowitz and Sequoia. Our esteemed clients include major brands like Intuit and Hilton, and we are consistently recognized by prestigious outlets like Forbes as a leading AI company. As we expand into Romania, we are looking for talented engineers to join our new tech hub. This is a unique opportunity to shape the future of our engineering team within a remote-first environment, collaborating with colleagues across Europe, the US, and Canada.

Mar 2, 2026

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Director of Software Engineering

Flosum

Full-time|Remote|Remote — Romania

Flosum is seeking a passionate and experienced Director of Software Engineering to lead our talented team of software engineers. This remote position allows you to work from anywhere in Romania while providing strategic direction and technical oversight for our innovative software solutions. You will be responsible for shaping our technology vision, driving architectural decisions, and ensuring that our engineering practices align with the company's objectives.

Apr 30, 2026

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