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Lead Full Stack Engineer (Python, React, AI/LLM)

N-iX

Full-time|On-site|Romania

N-iX is a leading global software development company, established in 2002, bringing together over 2,400 skilled tech experts across more than 40 countries. We specialize in delivering cutting-edge technology solutions in areas such as cloud computing, data analytics, artificial intelligence, embedded software, and Internet of Things (IoT), serving industry …

Mar 31, 2026

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Senior Full-Stack Engineer (Python & React)

jobgether

Full-time|Remote|Romania

Jobgether is seeking a Senior Full-Stack Engineer with expertise in Python and React to join the team in Romania. This position centers on building and maintaining full-stack applications that improve user experience and support business goals. Role overview As a Senior Full-Stack Engineer, you will design, develop, and support software solutions across both backend and frontend. Collaboration with cross-functional teams is a key part of the role, ensuring that projects move forward efficiently and meet high standards of quality. What you will do Create and maintain full-stack applications using Python and React Work closely with colleagues from different disciplines to deliver software solutions Focus on enhancing user experience and driving efficiency in products Requirements Strong experience with Python and React Demonstrated problem-solving skills Interest in technology and software development

Apr 29, 2026

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Full Stack Engineer - Python & React

Endava

Full-time|On-site|Craiova

Architect, estimate, and develop technical solutions for applications ranging from medium to high complexity.Engage thoroughly in the software development lifecycle, covering requirements analysis, architecture design, deployment, and ongoing maintenance.Work collaboratively with cross-functional teams to understand requirements, processes, architectural decisions, and priority settings.Advocate for and implement engineering best practices, including methodologies like DevOps, CI/CD, and effective testing.Play a significant role in technical decision-making, autonomously proposing and designing innovative solutions.Contribute to code reviews, offering constructive feedback and ensuring high standards of code quality.Identify potential risks, recommend improvements, and proactively tackle development challenges.Keep abreast of emerging technologies and promote a culture of continuous learning within the team.Mentor junior engineers, fostering an environment of technical excellence.

Feb 19, 2026

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Full-Stack Engineer (React) at Qualysoft | Bucharest

Qualysoft

Full-time|On-site|Bucharest

Qualysoft is seeking a Full-Stack Engineer with a focus on React to join the team in Bucharest. This role centers on building and maintaining scalable web applications, turning business needs into effective software solutions. What you will do Design, develop, and maintain web applications using React and other current technologies. Work closely with cross-functional teams to define, design, and deliver new features. Optimize applications for speed and scalability. Troubleshoot and debug as needed to ensure reliable performance. Stay informed about new industry trends and technologies. Why join Qualysoft? Join a company with over 25 years in IT consulting. Work alongside an international team of more than 500 engineers. Contribute to projects in sectors such as Banking, Telecom, and E-commerce. Access opportunities for professional growth and development.

Apr 29, 2026

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Senior Full-Stack Python Engineer

nix

Full-time|Remote|Romania

Join a UK-based financial services and investment banking group as part of a cross-functional team at nix. This team builds and maintains an AI-powered document processing and automation platform that supports multiple business units. The platform manages large-scale data flows, automates complex workflows, and integrates with internal systems to enhance the bank’s digital operations. Role overview This Senior Full-Stack Python Engineer position is based in Romania. The focus is on designing and developing scalable APIs, microservices, and user interfaces at the core of the AI-enhanced platform. The work spans document automation and operational dashboard features, with an emphasis on both backend and front-end development. What you will do Build and maintain backend services using Python Develop front-end or full-stack features with TypeScript, using frameworks such as React or Next.js Create and enhance APIs and microservices for document processing and workflow automation Develop UI components for dashboards and internal workflow tools Collaborate with product, architecture, GenAI, and platform engineering teams Deploy and operate systems in cloud environments, with a preference for Google Cloud Requirements Extensive experience in backend engineering with Python Strong skills in front-end or full-stack development using TypeScript (React, Next.js, or similar frameworks) Proven background in building production-grade APIs and microservices Experience developing user interfaces and dashboards Hands-on experience designing, building, and deploying systems in cloud infrastructure (Google Cloud experience is a plus) Ability to work effectively with cross-functional teams in a collaborative setting

Apr 23, 2026

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Full Stack Software Engineer (Java with React)

Endava

Full-time|On-site|Cluj-Napoca

Architect, estimate, and implement technical solutions for applications of medium to high complexity.Engage actively in all stages of the software development lifecycle, from requirements gathering and architecture to deployment and maintenance.Work closely with cross-functional teams to clarify requirements, processes, architecture, and priorities.Recommend and advocate for engineering best practices (e.g., DevOps, CI/CD, testing, code reviews).Contribute to technical decision-making, including autonomously proposing and designing solutions.Participate in code reviews, offering constructive feedback and ensuring high-quality code.Identify risks, propose enhancements, and proactively tackle development challenges.Stay updated with emerging technologies and promote continuous learning within the team.Mentor and guide junior engineers, fostering a culture of technical excellence.

Mar 10, 2026

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Principal Full Stack Developer with React - Remote

Teramind

Full-time|Remote|Romania

What You Will DoWe are seeking a Principal Full-Stack Engineer who is passionate about building impactful solutions and leading by example. In this role, you will be responsible for writing code, defining architecture, and influencing our product and engineering culture.Are you ready to make a significant contribution? Here’s what you will be doing:• Develop full-stack features including React frontends, backend APIs, data layers, and infrastructure scripts.• Conduct code reviews, mentor junior engineers, and elevate the team's standards.• Lead the establishment of architectural and technical standards without unnecessary bureaucracy.• Collaborate closely with product and design teams to deliver value quickly.• Take ownership of complex initiatives from start to finish, making critical decisions independently.• Optimize for performance, scalability, and reliability without the need for constant meetings.• Troubleshoot production issues and guide incident response effectively.Technical ChallengesThis position goes beyond simple CRUD tasks; you will solve real-world problems such as:• Designing and implementing secure integrations including machine learning prediction engines and third-party APIs with strict authorization and data handling protocols.• Building high-performance user interfaces that maintain speed under heavy data loads.• Creating dashboards that transform complex datasets into clear, actionable insights.• Scaling a multi-tenant SaaS platform and providing on-premises solutions for enterprise clients.• Handling security-sensitive data where accuracy is paramount.Who You AreYou are an engineer with the following qualifications:• At least 8 years of professional experience with strong full-stack capabilities.• Over 4 years of experience using React (Next.js), Nest.js/Express, GraphQL, Docker, and Postgres.• Proficient in system design and architecture concepts such as CQRS, event sourcing, and distributed systems.• Experienced in building scalable, secure, production-grade systems and taking ownership of their lifecycle.• Strong communicator who can articulate complex ideas clearly.

Jan 14, 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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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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Full Stack Software Engineer (.NET & React) at Endava | Cluj-Napoca

Endava

Full-time|On-site|Cluj-Napoca

Design, estimate, and implement technical solutions for medium to high complexity applications.Engage actively in all phases of the software development lifecycle, from requirements gathering and architecture to deployment and maintenance.Work closely with cross-functional teams to clarify requirements, processes, architecture, and priorities.Advocate for and implement engineering best practices (e.g., DevOps, CI/CD, testing, code reviews).Contribute to technical decision-making, including proposing and designing solutions independently.Participate in code reviews, providing constructive feedback and ensuring high code quality.Identify risks, propose enhancements, and proactively address development challenges.Stay abreast of emerging technologies and encourage continuous learning within the team.Mentor and guide junior engineers, fostering a culture of technical excellence.

Mar 10, 2026

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Tech Lead, LLM & Generative AI - Fully Remote Opportunity

EverAI

Full-time|Remote|Romania

Join Us in Revolutionizing AI Companionship EverAI — Pioneering the Future of AI InteractionRanked among the Top 15 Largest & Fastest-Growing AI Companies GloballyExpanding to 100 Million Users — Join Us in this Ambitious Journey!At EverAI, we are not just creating products; we are redefining the essence of connection with AI. With a thriving community of 40 million users and rapid growth, we are excited to craft innovative experiences.Our leading product is the largest AI relationship platform worldwide, transforming how people engage with technology. Governed by our unique moderation system, EverGuard, we prioritize safety, ethics, and user satisfaction in every interaction.The journey has just begun!About Our TeamWe are a dynamic and dedicated group of 75 professionals, driven by a shared passion for innovation. Our founding members are seasoned entrepreneurs with extensive experience in scaling web products from inception to IPO.Key Team Members:Alexis Soulopoulos [CEO] - Over 10 years in Tech Executive Leadership, co-founder of Mad Paws Holdings (from zero to IPO), recognized in Forbes 30 Under 30.Michael Monin [Co-founder & CTO] - 10+ years of leadership experience in web2/web3, and over a year in AI/LLM.Thomas Lacroix [Co-founder & CMO] - 8+ years in Customer Acquisition & E-commerce Growth.Maruša Fasano [CFO/Legal] - 25+ years in Finance, Strategy, and M&A.The OpportunityWe are at the forefront of developing a scalable conversational AI platform that will change how humans interact with technology. If you are passionate about shaping the future of AI, we want to hear from you!

Nov 27, 2025

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Java Full Stack Developer (Angular/React) at Inetum | Bucharest

Inetum

Full-time|On-site|Bucharest

Design, develop, test, and deploy high-quality software solutions focusing on front-end and back-end components of web applications utilizing Java, Angular, React, and related technologies.Engage with cross-functional teams to collect and analyze requirements, architect solutions, and implement features that align with business objectives.Contribute to code reviews, offering constructive feedback and ensuring compliance with coding standards and best practices.Identify and troubleshoot issues, implementing solutions to enhance the stability, performance, and security of applications.Remain informed about industry trends and emerging technologies, continuously enhancing technical skills and knowledge.

May 4, 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 (C# .NET & Angular/React) - Remote

Trinetix

Full-time|Remote|Remote — Romania

Trinetix is seeking a talented Full-Stack Developer to join our innovative team.Your Role:As a Full-Stack Developer at Trinetix, you will play a pivotal role in spearheading new projects with evolving requirements and a high level of autonomy.Design and implement backend services and APIs utilizing .NET (C#).Contribute to frontend solutions as needed, collaborating effectively across the stack.Take charge of technical decisions and solution design.Work in dynamic environments where requirements may evolve over time.Engage closely with stakeholders while maintaining a strong engineering focus.Utilize modern tools, including AI-assisted development technologies, to enhance productivity.Commit to ongoing learning and adaptation to new technologies and project demands.

Apr 6, 2026

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Senior Full Stack Engineer

Jobgether

Full-time|Remote|Romania

Jobgether is looking for a Senior Full Stack Engineer based in Romania. This position centers on designing and building software solutions that move the platform forward. Collaboration with teams across different functions is a key part of the job, ensuring features are delivered smoothly and meet project goals. Role overview This role focuses on both front-end and back-end development. You will help shape new features, refine existing ones, and work closely with colleagues to solve technical challenges. The team values clear communication and a hands-on approach to problem-solving. What you will do Design and develop software for the Jobgether platform Work with other teams to deliver well-integrated solutions Contribute ideas to improve the platform’s performance and user experience Requirements Experience as a full stack engineer Strong interest in technology and software development Comfort working collaboratively with others

Apr 29, 2026

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Senior Full Stack Developer (Python 3 / C++)

Talan

Full-time|On-site|Bucharest

Join our dynamic team at Talan as a Senior Full Stack Developer, where your expertise in Python 3 and C++ will drive innovative solutions. You will collaborate with cross-functional teams to develop and maintain high-quality applications, ensuring a seamless user experience.

Apr 7, 2026

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Lead Python Engineer

IT Labs

Full-time|On-site|Bucharest

Join our dynamic team as a Lead Python Engineer where you'll play a pivotal role in designing and implementing cutting-edge software solutions. As a part of IT Labs, you will lead a talented team of engineers, enhance our development practices, and drive innovative projects that shape the future of technology.

Mar 27, 2026

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Full-Stack Developer (AI-Focused) - Remote Opportunity

lago-1

Full-time|$1.8K/mo - $3.5K/mo|Remote|Remote — Romania

Job Title: Full-Stack Developer (AI-Focused)Location: Remote (Open to: Czech Republic, Poland, Slovakia, Romania)Schedule: Full-Time, Monday - Friday, 9 AM - 5 PM EST (Flexible)Salary Range: $1,800 – $3,500 USD per month ($11 – $22 USD/hour)Join an innovative AI-driven veterinary care platform that supports over 20,000 clinics in more than 100 countries. Our proprietary AI platform, Marcia, operates across six integrated portals, facilitating millions of users and handling tens of millions of concurrent sessions.This position transcends traditional engineering roles; we prioritize AI-first methodologies, encouraging developers to adopt automated, intelligent workflows that enable rapid, smart scaling.Role OverviewWe are on the hunt for a Full-Stack Developer with strong technical skills and extensive experience in AI-assisted development workflows. Your expertise will be crucial in constructing and expanding a high-performance, globally distributed platform.Familiarity with tools such as Claude Code and Cursor, the ability to orchestrate sub-agents, and leveraging AI throughout the development lifecycle are essential. This role demands a systems thinker who can optimize performance and create infrastructure capable of scaling under significant loads.ResponsibilitiesAI-Assisted DevelopmentUtilize AI tools (Claude Code, Cursor) as core development environmentsDesign and manage agentic workflows and sub-agentsEmploy AI to expedite development, testing, and debugging processesFull-Stack DevelopmentDevelop and sustain scalable front-end and back-end systemsContribute to multiple portals (Consumer, Clinic, Enterprise, Platform, Referral, Admin)Ensure code quality through clean, maintainable practicesPerformance & ScalabilityEnhance database queries and overall system performanceDesign and manage caching layers and connection poolsCreate systems that can support millions of concurrent usersCode Quality & SecurityEnsure all code passes through automated review pipelines (5+ bots) before human scrutinyAchieve SonarCloud quality gates on initial pushAdhere to strict security best practices and hygieneSystem DesignArchitect distributed systems for global scalabilityGuarantee reliability, fault tolerance, and high availabilityCollaborate on infrastructure and backend architecture decisionsRequirementsDemonstrated experience as a Full-Stack Developer in high-scale environmentsSolid proficiency in both front-end and back-end developmentHands-on experience with AI-assisted coding tools

Apr 29, 2026

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Full-Stack Product Engineer

jobgether

Full-time|Remote|Romania

Jobgether is looking for a Full-Stack Product Engineer based in Romania. This role centers on designing and building web applications that support a smooth and reliable user experience. Role overview Work closely with colleagues from different specialties to create and improve web solutions. The position involves both front-end and back-end development, with an emphasis on scalable and maintainable code. What you will do Design, develop, and implement web applications that meet product goals Collaborate with cross-functional teams to deliver features and improvements Focus on delivering a seamless experience for users Location This position is based in Romania.

Apr 29, 2026

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Full-Stack Java Engineer

Qualysoft

Full-time|On-site|Bucharest

Join Qualysoft as a Full-Stack Java Engineer! With 25 years of expertise in software engineering, Qualysoft is a leading IT consulting firm, headquartered in Vienna, Austria. Since establishing our presence in Romania in 2007, we've been committed to delivering end-to-end IT services, including team augmentation, dedicated teams, and custom software development. At Qualysoft, we pride ourselves on building scalable enterprise systems, intelligent automation frameworks, and platforms for digital transformation. Our cross-industry experience supports global leaders across BSFI, Telecom, Retail, E-commerce, Energy and Utilities, Automotive, Manufacturing, Logistics, and High Tech. Our global reach spans Switzerland, Germany, Austria, Sweden, Hungary, Slovakia, Serbia, Romania, and Indonesia, with a talented international team of over 500 software engineers. We have established strategic partnerships with notable organizations such as Microsoft Cloud, Tricentis, Creatio, and Doxee, and we leverage advanced technologies including AI, Data & Analytics, Cloud, DevOps, IoT, and Test Automation. Our clients range from large-scale enterprises to innovative startups.

Feb 26, 2026

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