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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We are looking for a skilled and motivated .NET Full Stack Developer with strong expertise in .NET Core, React, and Microservices architecture. The ideal candidate will be responsible for designing, developing, and maintaining scalable, high-performance applications while collaborating with cross-functional teams.
Key Responsibilities:
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We’re Hiring: Fullstack Developer (Node.js/Python + React.js)
Location: Bangalore
Type: Full-Time
Experience: 2 to 5 Years
Key Responsibilities
Develop and maintain full-stack web applications using Node.js/Python backends and React.js frontend.
Build scalable backend APIs (Express.js, Nest.js, Django, FastAPI, Flask) and integrate with frontend components.
Write clean, maintainable JavaScript/TypeScript and Python code following best practices.
Participate in code reviews and contribute to technical discussions.
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Optimize application performance and ensure responsive user experiences.
✅ Required Skills
2–5 years of hands-on full-stack development experience.
Strong proficiency in JavaScript (ES6+) and modern web development concepts.
Backend expertise with Node.js (Express.js, Nest.js) OR Python (Django, FastAPI, Flask).
Frontend expertise in React.js, including hooks and modern component patterns.
Experience with RESTful API development & integration.
Database knowledge in SQL (PostgreSQL, MySQL) and NoSQL (MongoDB).
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Strong problem-solving, debugging, and performance optimization skills.
Knowledge of agile methodologies and software development lifecycle.
📌 Skills:
SQL | JavaScript | React.js | Node.js | Python
About Us
21 Knots is a design, engineering, and consulting firm providing services to the global maritime and oil & gas industry. In an industry constantly evolving due to dynamic regulations, economic fluctuations, and climate change mandates, we strive to deliver cutting-edge solutions with an unwavering commitment to excellence. Our comprehensive services are designed to create value for our esteemed clients while enabling them to achieve their business goals.
The Role
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- Work with relational and non-relational databases such as PostgreSQL, MySQL, or MongoDB.
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What You’ll Need
Experience:
- 1–4 years of hands-on experience in backend development.
- Exposure to full-stack development environments.
- Experience working with RESTful APIs, databases, and cloud integration is a plus.
Education:
- Bachelor’s degree in Computer Science, Information Technology, or a related field.
Tools & Software Proficiency:
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- Familiarity with PostgreSQL, MySQL, or MongoDB.
- Basic knowledge of frontend technologies: HTML, CSS, JavaScript.
- Exposure to Bootstrap or Tailwind CSS for responsive UI design.
- Good to have: experience with React, Angular, or Vue.
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- Understanding of RESTful architecture and secure coding practices.
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- Good verbal and written communication skills.
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CTC Budget: 35-50LPA
Location: Hyderabad/Bangalore
Experience: 8+ Years
Company Overview:
An 8-year-old IT Services and consulting company based in Hyderabad providing services in maximizing product value while delivering rapid incremental innovation, possessing extensive SaaS company M&A experience including 20+ closed transactions on both the buy and sell sides. They have over 100 employees and looking to grow the team.
Work with, learn from, and contribute to a diverse, collaborative
development team
● Use plenty of PHP, Go, JavaScript, MySQL, PostgreSQL, ElasticSearch,
Redshift, AWS Services and other technologies
● Build efficient and reusable abstractions and systems
● Create robust cloud-based systems used by students globally at scale
● Experiment with cutting edge technologies and contribute to the
company’s product roadmap
● Deliver data at scale to bring value to clients Requirements
You will need:
● Experience working with a server side language in a full-stack environment
● Experience with various database technologies (relational, nosql,
document-oriented, etc) and query concepts in high performance
environments
● Experience in one of these areas: React, Backbone
● Understanding of ETL concepts and processes
● Great knowledge of design patterns and back end architecture best
practices
● Sound knowledge of Front End basics like JavaScript, HTML, CSS
● Experience with TDD, automated testing
● 12+ years’ experience as a developer
● Experience with Git or Mercurial
● Fluent written & spoken English
It would be great if you have:
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● Experience and/or interest in API Design
● Experience with Symfony and/or Doctrine
● Experience with Go and Microservices
● Experience with message queues e.g. SQS, Kafka, Kinesis, RabbitMQ
● Experience working with a modern Big Data stack
● Contributed to open source projects
● Experience working in an Agile environment
Include Database Development Using T-SQL On MS SQL Server API Development Using ASP.Net WEB API And C# Front-End Development Using ANGULAR (TypeScript) Or JavaScript Frameworks R & D For Available Solutions And 3rd Party API Integrations Comparative Analysis Of Different Approaches And Finding Optimal Solutions Documentation, Writing Blog Supporting Existing Applications In SQL, ASP.NET WEB API, C#, Angular Or TypeScript SKILLS Expert Knowledge Of C#, .Net And MS SQL ANGULAR Experience Would Be A Huge Plus Ability To Work Independently Proficient Understanding Of Web Markup, Including HTML 5/CSS 3 Proficient Understanding Of Client-Side Scripting And JavaScript Frameworks (Angular, JQuery, React, Vue) Excellent English Communication, Presentation, And Interpersonal Skills Time Management And Organizational Skills Education Bachelor’s Or Master’s Degree In Computer Engineering Or Relevant Field Students Working Towards Their Degree And With Sufficient Experience Will Be Considered. Qualifications-BCA, BE/B.Tech(Information Science/Technology (IS/IT)), MCA, ME/M.Tech(Information Science/Technology)
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· Designing and building the website front-end.
· Creating the website architecture.
· Designing and managing the website back-end including database and server integration.
· Generating WordPress themes and plugins.
· Conducting website performance tests.
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· Proven work experience as a WordPress developer.
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· Knowledge of code versioning tools including Git, Mercurial, and SVN.
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Evaluate new technologies and frameworks to implement into projects
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4+years experience in an Open Source development environment
B.Tech/B.E in Computer Engineering or equivalent
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Experience with SQL databases
MVC frameworks such as Spring MVC, Struts, or WebWork
Strong Linux/Unix operating system usage and command line familiarity
Familiarity with IDE tools such as Eclipse
Experience implementing and consuming SOAP or REST based web
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Ruby, Groovy, Perl, or similar interpreted languages
JMS or other message-driven architectures
Practicing Test Driven Development









