Senior Full Stack Developer (React, Next)
Primary stack
Nice to have's
Job description
About the Position
We are currently looking for a talented and motivated Senior Full Stack Developer with expertise in React and Next.js to join our dynamic, agile team.
Responsibilities
- Designing and implementing high-quality features, troubleshooting issues, and delivering effective solutions
- Developing and maintaining REST APIs
- Optimizing backend code and database queries for performance, scalability, and testability
- Collaborating with both local and international agile teams
- Designing and implementing new system functionalities
- Working with AWS services such as Lambda, Transcribe, and S3
Requirements
- Strong experience with React.js
- Familiarity with Next.js, Node.js
- Proficiency with AWS services (Lambda, Transcribe, S3)
- Experience with GraphQL and RESTful API design
- Strong knowledge of PostgreSQL and Redis
- Good spoken English for daily communication
Nice to Have
- Experience with ffmpeg for media processing
- Knowledge of MobX
- Experience integrating ChatGPT or similar AI tools
We Offer
- A dynamic, international scaleup environment with motivated, open-minded colleagues
- Competitive compensation, including 20 paid vacation days and paid sick leave
- 100% remote work
- Flexible working hours
- Opportunities to join tech talks, hackathons, and global tech conferences
About the Company
Join our team and be part of a growing company that values innovation, collaboration, and professional growth.
Apply for this Position
Fill out the form below and we'll get back to you soon.
Position: Senior Full Stack Developer (React, Next)
Workplace: Remote
Location: EU countries and Ukraine
Employment type: Full-time
Level: Senior
Posted: December 11, 2025
© CML Team LTD. This job description was sourced from the employer's public career page. TheJob is not the employer — we index the posting and route candidates to the source. All content rights and hiring decisions belong to the employer.
We build holistic end-to-end solutions and platforms for growing startups and enterprises.We’re in the Top 10 🔝 Blockchain agencies in the UK, according toClutch.co🏆We have extensive experience working with 🚀 startups that grew fast and helped them succeed. We precisely know their needs and problems. Our mission is to bring this vital expertise to ambitious startups to succeed in product development.🤝 Partnership with the Client is our engagement philosophy.To keep ourselves in great shape and think out of our shells, we regularly participate in hackathons around the 🌎 where we challenge our skills and imagination.🥇 We won the prestigious Berlin Bankathon #5 competition in the SME track with the AIRouting idea and the London Blockchain #breaktheblock hackathon in the Best Use Case category with the ICOSurance project.We offer three key services to our clients:✔️ Full Stack Development✔️ Mobile Development✔️ Blockchain Development & Consulting🏭 Industries where we’re solid are:💸 FinTech💊 Crypto🏨 Hospitality🎮 Entertainment🌍 Our clients are from:USAGermanyAustriaSwitzerlandNetherlandsIrelandUAEKoreaIsraelAustralia💪 Highlighted skills:• Backend: Java, C#, Node.js, PHP• Frontend: React.js, Vue.js, Angular, JavaScript, TypeScript• Mobile: Swift, Objective-C, Kotlin, Java, Flutter, React Native• Database: MySQL, PL/SQL, MSSQL, PostgreSQL, MongoDB, Firebase, Redshift• Infrastructure: Tomcat, Weblogic, Glassfish, Apache HTTP Server• Blockchain: Ethereum, Solidity, Smart Contracts (ERC20, ERC721), C++, Oraclize, Web3.js, Hardhat, Binance Smart Chain, Ethers.js, MetaMask & WalletConnect, Web3Modal, solidity-coverage, Web3j, Waffle• Cloud Platforms: Amazon Web Services, Google Cloud Platform, Microsoft Azure, Heroku• DevOps: Docker, Ansible, Rundeck, Kubernetes• Monitoring: ELK (Elasticsearch, Logstash, Kibana), Newrelic, Prometheus• Build: Gradle, Maven• IDE: Intellij Idea, Eclipse• APIs: Spotify, Twilio, Google Maps, IBM Watson, Microsoft Cognitive Services, Amazon Alexa, Eventful, Micros Opera PMS, HotSos, Telegram, FacebookOur Focus:💅 UX/UI best practices🧼 Clean code (we use SonarQube and CI/CD tools in our projects)🏰 Scalability🧠 Machine Learning💵 Blockchain and distributed systems👮 Cryptography and cybersecurity