Vacancy: Full Stack Senior developer for BeYoungBrands start-up - Paris.
Project description:
We are a small innovative team with a big-picture vision.
Our goal - to help people be healthier, younger, happier and to live long and active lives.
We are advocates of holistic approach and inclusion. We believe that the best results are brought by uniting science and ancient wisdom which science cannot explain yet.
Our goal is very challenging – we want to create a one-point access tool to manage induvial wellbeing and health (with a collaboration platform with doctors) from the convenience of home and smartphones.
Our goal if far beyond just teaching how to eat and exercise healthier. We want gradually to transform the way a patient and client talk and communicate about health issues.
Our future network of doctors will include only best medicines embracing the holistic approach to each client, accepting limitation and negative impacts of some modern therapies and willing to accept the usage of alternative and holistic therapies by their patients.
Role description:
The successful candidate to join our team will be the first architect of our ambitious project. Along with immensely challenging tasks and responsibility, he/she will have joy of being the person to layout the design and develop the initial model of the product.
We are looking for a self-starter with already proven experience. The job will have a title of senior developer and an employee will have to deliver to its title. We put great worth on the personality of a candidate and his/her ability to get things done, to deliver results and to quickly update one’s knowledge based on the requirement of a task at hand.
Job description:
3+ years of experience
Candidate with experience in both Backend and Frontend technology using Java and Python with JavaScript/Angular/Django. Would prefer Full Stack experience in the current project.
Internal Title: Senior Developer
Experience Range: Mid Level with a proven track record in the development
Skill(s): Python, Django, JavaScript, AngularJS/ReactJS, NodeJS, MongoDB, ExpressJS
Education:
- Bachelor's in Computer Science (Required)
- Master (preferred)
Job Type: Full-time
Location(s): Remote
Responsibilities
- Design, build and maintain efficient, reusable, and reliable codes for front and backend development.
- Build a layout for structured system data and regularly feed and update it.
- Conceptualizing and developing the data, programming and analysis for online behaviour.
- Building a first draft of the AI algorithm.
- Programming machine learning and its applications.
- Design client-side and server-side architecture
- Build the front-end of applications through appealing visual design.
- Develop and manage well-functioning databases and applications.
- Write effective APIs
- Test software to ensure responsiveness and efficiency
- Troubleshoot, debug and upgrade application.
- Create security and data protection settings.
- Build features and applications with a mobile responsive design.
- Write technical documentation.
- Work with data scientists and analysts to improve software
Technical and Professional Requirements
- Minimum 3 years of relevant experience.
- Proven work experience as a Full Stack developer (Anyone project would do, we are open for freshers with great knowledge and proven experience too).
- In-depth understanding of the entire web development process (design, development and deployment)
- Strong understanding of data structures/algorithm.
- Excellent coding skill in Node js/Angular/Reactjs, JavaScript, Python, Shell Scripts, Groovy.
- Experience in designing, developing and building end to end web applications.
- Responsive Web Design Development experience
- Experience in web libraries.
- Experience with one or more of databases.
- Experience working with deployment and orchestration technologies.
- Knowledge of Agile engineering and testing practices.
- Must have flexibility in work hours
- Knowledge of API Design and Development and Security Patterns on API’s using API Gateway.
- Familiar with modern reactive frameworks and Event-Driven architectural patterns.
- Implementing automated testing platforms and unit tests.
- Good Error and Exceptional Handling Skills.
- Knowledge of Automation scripts.
- Experience in Cloud Technology for Deployment of Services is a plus.
- Analyzing user requirements, envisioning system features and functionality.
- Identify bottlenecks and bugs, and recommend system solutions by comparing advantages and disadvantages of custom development.
- Understand Architecture Requirements and ensure effective Design, Development, Validation, Testing and Performance, monitoring.
- Strong knowledge of front-end languages (e.g. HTML, JavaScript and CSS)
- Very strong Integration knowledge is desired.
- Excellent analytical and time management skills
- Teamwork skills with a problem-solving attitude.
Deliveries plan and personal achievements goal for a
role of Senior developer in BeYoungBrands
- First 3 months at the role
- Develop and builds a new multilingual website to reflect the main features of the project and backend structure.
- Build initial backend design and architecture.
- Develop personal area zone with automated functions.
- Develop security strategy to protect sensitive client information.
- Start building algorithm on existing processes and activities of a clients. Integarate currently available research into algorithm.
- Be support on daily tasks and automations.
- Propose and replace external resources for automation or selling tools with own development plan.
- Second 3 months at role:
- Continue developing interactive client area.
- Work further on algoright with integrating research database, database of clients actions and reported results.
- Start building mobile application for everyting what is already done in platform.
- Build food extension of the platform and mobile section to it with full food directory database, menu planning, photo recognition, input areas and calories calculations.
- Start building exercise module (possible with 3rd party license to use, to be discussed), with video, calories count, instructions, etc.

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About the Role:
We are seeking a highly skilled Integration Specialist / Full Stack Developer with strong experience in .NET Core, API integrations, and modern front-end development. The ideal candidate will build and integrate scalable web and mobile applications, manage end-to-end delivery, and ensure smooth data exchange across platforms.
Key Responsibilities:
- Design, develop, and maintain backend APIs using .NET Core / C#.
- Build and integrate REST and SOAP-based services (JSON, XML, OAuth2, JWT, API Key).
- Implement file-based integrations (Flat file, CSV, Excel, XML, JSON) and manage FTP/SFTP transfers.
- Work with databases such as MSSQL, PostgreSQL, Oracle, and SQLite — including writing queries, stored procedures, and using ADO.NET.
- Handle data serialization/deserialization using Newtonsoft.Json or System.Text.Json.
- Implement robust error handling and logging with Serilog, NLog, or log4net.
- Automate and schedule processes using Quartz.NET, Hangfire, or Windows Task Scheduler.
- Manage version control and CI/CD pipelines via Git and Azure DevOps.
- Develop front-end interfaces with React and React Native ensuring responsive, modular UI.
- Implement offline-first functionality for mobile apps (sync logic, caching, etc.).
- Collaborate with cross-functional teams or independently handle full project ownership.
- Utilize AI-assisted development tools (e.g., Cursor, GitHub Copilot, Claude Code) to enhance productivity.
- Apply integration best practices including middleware, API gateways, and optionally message queues (MSMQ, RabbitMQ).
- Ensure scalability, security, and performance in all deliverables.
Key Skills & Technologies:
- Backend: .NET Core, C#, REST/SOAP APIs, WCF, ADO.NET
- Frontend: React, React Native
- Databases: MSSQL, PostgreSQL, Oracle, SQLite
- Tools: Git, Azure DevOps, Hangfire, Quartz.NET, Serilog/NLog
- Integration: JSON, XML, CSV, FTP/SFTP, OAuth2, JWT
- DevOps: CI/CD automation, deployment pipelines
- Optional: Middleware, API Gateway, Message Queues (MSMQ, RabbitMQ)
Qualifications:
- Bachelor’s degree in Computer Science, Engineering, or a related field.
- Minimum 5 years of hands-on experience in software development and integration.
- Proven expertise in designing and implementing scalable applications.
- Strong analytical and problem-solving skills with a proactive approach.
Nice to Have:
- Experience with cloud services (Azure, AWS, GCP).
- Knowledge of containerization tools like Docker or Kubernetes.
- Familiarity with mobile deployment workflows and app store publishing.
Job Title: Full stack Developer
Location: Coimbatore
Job Type: Full Time
Experience Level: 5-8 Years
Job Brief:
- Proficient with Microsoft .NET & .NET Core development using C#, Web API.
- Good understanding of Design Patterns and Principles.
- Must have an experience on Angular6/7//8.
- Having knowledge of in NodeJS / VueJS / ReactJS will be an added advantage.
- Excellent Communication, presentation, problem-solving and team working skills
- Interact with Clients & handle single project.
COVID-19 considerations:
Currently all our employees are doing Work From Home till situation goes better
Experience :
Dot Net Framework and Dot Net Core: minimum 6 months (Preferred)
Angular 6/7/8 : Minimum 6 months ( Preferred)
Key Responsibilities:
1. Be part of the team responsible for the enterprise grade SAAS platform.
2. Own end-to-end design and development of Product Features.
3. Design and implement software for testability, maintainability, scalability, supportability.
4. Troubleshoot and support field issues, microservices monitoring.
5. Hands-on working on SAAS based applications.
6. Experience with working on scalable, highly available distributed systems.
7. Robust understanding of Agile development along with CI/CD pipeline.
8. Solid understanding of software development Life Cycle.
9. Solid understanding of end to end Application Security and incorporating the same during development.
10. Exposure to micro-services architecture and microservices development frameworks, platform based architecture.
11. Experience in AWS/Azure.
12. Experience in Dockers, and Kubernetes. ECS, EKS, AKS etc
13. Experience with RDBMS such as Postgres(Preferred), MySQL and nosql databases(Desired).
14. Experience in languages such as Python(Preferred), Java.
15. Exposure to development of data platforms for analytics, reporting etc.
16. Exposure to the development of IOT applications is a plus.
Other requirements
1. Proficient in JavaScript, TypeScript, Vue.js(preferred), ReactJS
2. Solid understanding of UI/UX principles, responsive design techniques, and front-end performance optimization.
3. Exposure to the development of API-driven Single Page Applications
4. Exposure to AWS Cloudfront, Akamai etc.
5. Experience in Application monitoring and log management tools.
Main duties/responsibilities
- Design & implement good quality software and databases as per the software specification.
- Participate in effort estimations.
- Participate in design discussions and own module designs.
- Effective troubleshooting of technical issues and bugs.
- Package deployment and release management.
- Provides technical support to customers.
- Provides training and guidance to the new developers and junior team members.
- Participate in Requirement discussions.
- Participate in Project related meetings if required.
Technical Knowledge
- Hands on experience in Angular ,HTML5, CSS3, JavaScript.
- Hands on experience in Node.js.
- Knowledge of how to interact with RESTful APIs and formats (JSON, XML)
- RDBMS and Document Database.
- Hand on experience in AWS services, DevOps, GIT, Agile and Jira will be an added advantage.
Experience
- 2-5 years of experience in the relevant field.
Job Description
Hands on Experience in Angular4 with Node.js
You will get hands on experience in latest technologies and skills like AngularJS, ReactJS, NodeJS, MongoDB, REST API etc.
Good understanding of how web applications work.
Expert knowledge in HTML, CSS, JavaScript, jQuery, Bootstrap
We need a passionate candidate who is looking for the next level of career growth in a fast-paced, learning based and merit-driven work environment.










