Senior FullStack Developer – .Net/React

Ocean Technologies Group

Senior FullStack (.Net/React) Developer at OneOcean, focusing on educational software solutions. Design and develop applications in a fully remote role based in Romania.

Posted 7/6/2026full-timeRemote • 🇷🇴 RomaniaSeniorWebsite

Tech Stack

Tools & technologies

AWSAzureCloudDockerGraphQLJavaScriptMicroservicesMongoDBMS SQL Server.NETNoSQLReactSQLTypeScript

About the role

Key responsibilities & impact

Design, code, test, debug, and document software applications using .NET, cloud and related technologies.
Ensure the performance, quality, and responsiveness of applications.
Develop responsive, user-friendly frontend interfaces using React.js
Collaborate with the team to define, design, and ship new features.
Work with project leaders, product owners, and developers to understand business requirements and translate them into technical solutions.
Collaborate with designers to implement visually appealing UI/UX designs
Provide ongoing maintenance, support, and enhancements in existing systems.
Offer support to end-users of the application, by troubleshooting and problem solving.
Stay up to date with new technology trends and best practices in .NET development.
Continuously improve the codebase, fix bugs, and optimize performance.
Participate in code reviews to ensure code quality and shared knowledge.
Create and maintain comprehensive documentation for software solutions.
Develop and implement unit and functional tests to ensure code quality.
Assist in defining test scenarios and in testing the developed functionality

Requirements

What you’ll need

8+ years in commercial development.
Strong technical expertise in .NET and object-oriented programming.
Proven experience in client-side (frontend) development with a strong focus on React.js
Practical experience in Test-Driven Development (TDD), unit, integration, and acceptance testing.
Solid understanding of Domain-Driven Design (DDD).
Experience with TypeScript and its application in frontend development
Proficiency in JavaScript, HTML, CSS, and related web technologies
Good understanding of client-server architecture and asynchronous programming.
Experience with microservices, distributed architecture, GraphQL, REST APIs, event buses, and message queues.
Familiarity with SQL/NoSQL databases (MS SQL Server, MongoDB)
Experience with Docker and cloud platforms (AWS or Azure)
Excellent communication, teamwork, detail-oriented, and analytical skills

Benefits

Comp & perks

🌐 Worldwide ❌ Jobs You've Hidden ⭐️ Saved Jobs ✅ Applied Jobs ✉️ Email Alerts 👤 Account Ocean Technologies Group Website LinkedIn All Job Openings 201 - 500 employees Founded 2020 🛍️ eCommerce 📚 Education 🚗 Transport 💰 Venture Round on 2015-05 eCommerce
Education
Transport Ocean Technologies Group is a company dedicated to transforming the maritime industry through innovative e-learning and crew management solutions. They provide a comprehensive library of maritime training courses, competency management systems, and performance evaluation tools to empower maritime professionals and support organizations in meeting compliance and operational excellence. By leveraging technology, they aim to enhance the skills of seafarers and optimize vessel performance in a rapidly evolving industry. Senior FullStack Developer – .Net/React 🔥 6 minutes ago 🇷🇴 Romania – Remote ⏰ Full Time 🟠 Senior 🔙 Backend Engineer AWS Azure Cloud Docker GraphQL JavaScript Microservices MongoDB MS SQL Server NoSQL React SQL TypeScript .NET Apply Now Find Hiring Managers Customize resume + cover letter Report problem ☆ Save ☑️ Mark as applied ❌ Hide 📋 Description
Design, code, test, debug, and document software applications using .NET, cloud and related technologies.
Ensure the performance, quality, and responsiveness of applications.
Develop responsive, user-friendly frontend interfaces using React.js
Collaborate with the team to define, design, and ship new features.
Work with project leaders, product owners, and developers to understand business requirements and translate them into technical solutions.
Collaborate with designers to implement visually appealing UI/UX designs
Provide ongoing maintenance, support, and enhancements in existing systems.
Offer support to end-users of the application, by troubleshooting and problem solving.
Stay up to date with new technology trends and best practices in .NET development.
Continuously improve the codebase, fix bugs, and optimize performance.
Participate in code reviews to ensure code quality and shared knowledge.
Create and maintain comprehensive documentation for software solutions.
Develop and implement unit and functional tests to ensure code quality.
Assist in defining test scenarios and in testing the developed functionality 🎯 Requirements
8+ years in commercial development.
Strong technical expertise in .NET and object-oriented programming.
Proven experience in client-side (frontend) development with a strong focus on React.js
Practical experience in Test-Driven Development (TDD), unit, integration, and acceptance testing.
Solid understanding of Domain-Driven Design (DDD).
Experience with TypeScript and its application in frontend development
Proficiency in JavaScript, HTML, CSS, and related web technologies
Good understanding of client-server architecture and asynchronous programming.
Experience with microservices, distributed architecture, GraphQL, REST APIs, event buses, and message queues.
Familiarity with SQL/NoSQL databases (MS SQL Server, MongoDB)
Experience with Docker and cloud platforms (AWS or Azure)
Excellent communication, teamwork, detail-oriented, and analytical skills Apply Now 📊 Check your resume score for this job Improve your chances of getting an interview by checking your resume score before you apply. Check Resume Score Similar Jobs Java Technical Lead 🕒 2 days ago accesa.eu 1001 - 5000 🏢 Enterprise ☁️ SaaS 🤖 Artificial Intelligence Website LinkedIn All Job Openings Java Technical Lead developing scalable Java-based backend applications at Accesa. Focusing on performance, deployment practices, and team mentoring in a collaborative environment. 🇷🇴 Romania – Remote ⏰ Full Time 🟠 Senior 🔙 Backend Engineer Apache Hibernate Java JMeter JUnit Kafka Kubernetes Microservices Oracle Spring Spring Boot SpringBoot Senior Software Engineer – C++ 🕒 3 days ago Arista Networks 1001 - 5000 🏢 Enterprise 📡 Telecommunications Website LinkedIn All Job Openings Senior Software Engineer focused on delivering cutting-edge product features for networking solutions from Arista in Romania. Working closely with the Platform team to innovate and drive product design. 🇷🇴 Romania – Remote 💰 $2.6M Post-IPO Debt on 2015-05 ⏰ Full Time 🟠 Senior 🔙 Backend Engineer SDLC Senior Java Software Engineer, German 🕒 3 days ago accesa.eu 1001 - 5000 🏢 Enterprise ☁️ SaaS 🤖 Artificial Intelligence Website LinkedIn All Job Openings Senior Java Software Engineer developing scalable backend applications for financial services. Collaborating with DevOps and mentoring junior developers in a customer-centric environment. 🇷🇴 Romania – Remote ⏰ Full Time 🟠 Senior 🔙 Backend Engineer 🗣️🇩🇪 German Required Apache Distributed Systems Docker Java Jenkins Kafka Kubernetes Microservices Spring Spring Boot SpringBoot SQL Senior .NET Core Developer 🕒 3 days ago 3Pillar Global 1001 - 5000 ☁️ SaaS 🏢 Enterprise 🤖 Artificial Intelligence Website LinkedIn All Job Openings Senior Product Owner leading backlog ownership on complex AI-native product development engagements. Collaborating with cross-functional teams and driving execution quality in a remote flexible environment. 🇷🇴 Romania – Remote 💰 Private Equity Round on 2021-10 ⏰ Full Time 🟠 Senior 🔙 Backend Engineer Azure .NET Senior Backend Engineer, Java/Python 🕒 4 days ago Nagarro 10,000+ employees 🤝 B2B 🏢 Enterprise Website LinkedIn All Job Openings Senior Backend Engineer at Nagarro developing robust backend services and APIs for high-performance systems. Collaborating with cross-functional teams and writing maintainable server-side code. 🇷🇴 Romania – Remote ⏰ Full Time 🟠 Senior 🔙 Backend Engineer AWS Cloud Distributed Systems Docker DynamoDB ElasticSearch Flask Grafana Java Kubernetes Microservices MongoDB MySQL Prometheus Python View More Backend Engineer Jobs 🌐 Worldwide Built by Lior Neu-ner. I'd love to hear your feedback — Get in touch via DM or support@remoterocketship.com Search Search Jobs by country Search jobs by city Search jobs by job title Search entry-level jobs Search junior-level jobs Search senior-level jobs Search jobs by tech stack Search jobs by contract type Search remote internships Search remote part-time jobs Remote jobs Anywhere in the World Companies Hiring Anywhere in the World Companies Hiring Sales People Anywhere in the World Companies Hiring Software Engineers Anywhere in the World Resources Advice Tips for finding remote jobs Interview questions and answers Resume examples Cover letter examples Post a job Affiliates Privacy policy Terms of service Job board SEO course AI Apply Copilot OpenClaw job finder Find jobs using your resume Jobs by Country Remote jobs anywhere in the world (Worldwide remote jobs) Remote jobs United States Remote jobs Australia Remote jobs Brazil Remote jobs Canada Remote jobs France Remote jobs Ireland Remote jobs Germany Remote jobs Netherlands Remote jobs Spain Remote jobs UK Popular Jobs Remote data analyst jobs Remote customer support jobs Remote executive assistant jobs Remote marketing jobs Remote product designer jobs Remote product manager jobs Remote project manager jobs Remote recruiter jobs Remote sales jobs Remote software engineer jobs Jobs by Type Remote full-time jobs Remote part-time jobs Remote contract jobs Remote internship jobs Remote entry-level jobs Remote jobs with no experience required Remote junior jobs (1-3 years of experience) Digital nomad jobs Remote jobs with no degree required Freelance remote jobs Temporary remote jobs Remote jobs hiring now Stay at home mom jobs

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Hard Skills & Tools

.NETObject-Oriented ProgrammingReact.jsTypeScriptJavaScriptHTMLCSSTest-Driven Development (TDD)Domain-Driven Design (DDD)SQL/NoSQL Databases

Soft Skills

Excellent CommunicationTeamworkDetail-OrientedAnalytical Skills