Mern Stack Developer

Job Summary

We are seeking a highly skilled Full Stack Engineer with 2+ years of hands-on experience to join our high-impact engineering team. You will work across the full stack—building scalable, high-performance frontends using Typescript & Next.js and developing robust backend services using Python (FastAPI/Django).

This role is crucial in shaping product experiences and driving innovation at scale.

Mandatory Candidate Background

• Experience working in product-based companies only
• Strong academic background
• Stable work history
• Excellent coding skills and hands-on development experience
• Strong foundation in Data Structures & Algorithms (DSA)
• Strong problem-solving mindset
• Understanding of clean architecture and code quality best practices

Key Responsibilities

• Design, develop, and maintain scalable full-stack applications
• Build responsive, performant, user-friendly UIs using Typescript & Next.js
• Develop APIs and backend services using Python (FastAPI/Django)
• Collaborate with product, design, and business teams to translate requirements into technical solutions
• Ensure code quality, security, and performance across the stack
• Own features end-to-end: architecture, development, deployment, and monitoring
• Contribute to system design, best practices, and the overall technical roadmap

Requirements

Must-Have:

• 2+ years of professional full-stack engineering experience
• Strong expertise in Typescript / Next.js OR Python (FastAPI, Django) — must be familiar with both areas
• Experience building RESTful APIs and microservices
• Hands-on experience with Git, CI/CD pipelines, and cloud platforms (AWS/GCP/Azure)
• Strong debugging, optimization, and problem-solving abilities
• Comfortable working in fast-paced startup environments

Good-to-Have:

• Experience with containerization (Docker/Kubernetes)
• Exposure to message queues or event-driven architectures
• Familiarity with modern DevOps and observability tooling

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)

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

1. First 3 months at the role
   1. Develop and builds a new multilingual website to reflect the main features of the project and backend structure.
   2. Build initial backend design and architecture.
   3. Develop personal area zone with automated functions.
   4. Develop security strategy to protect sensitive client information.
   5. Start building algorithm on existing processes and activities of a clients. Integarate currently available research into algorithm.
   6. Be support on daily tasks and automations.
   7. Propose and replace external resources for automation or selling tools with own development plan.
2. Second 3 months at role:
   1. Continue developing interactive client area.
   2. Work further on algoright with integrating research database, database of clients actions and reported results.
   3. Start building mobile application for everyting what is already done in platform.
   4. 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.
   5. Start building exercise module (possible with 3^rd party license to use, to be discussed), with video, calories count, instructions, etc.

We are looking for Fullstack Engineers (MERN) to help us in the next stage of our journey with experience in developing real-time server applications based on Node.js, Express.js, MongoDB databases

• Write, execute and maintain clean, reusable, and scalable code
• Integrate our various data storage solutions
• Should be comfortable around both front-end and back-end coding languages, development frameworks, and third-party libraries
• Ensure the responsiveness and boost the performance of our apps
• Find and address the various bottlenecks and bug-fixes
• Help in code automatization

• Proven experience in high-level programming languages like Node.js and Express.js with state management tools like Redux
• Good understanding of React, Next.JS, Bootstrap, and Material UI
• Thorough understanding of modeling and scaling databases like Firebase, and SQL
• Expertise in developing micro-services based REST APIs and exposure to API Gateway
• Should be well-versed with collaboration tools like Git, JIRA, etc
• Comfortable working within GCP, AWS, Azure, or equivalent ecosystem
• Knowledge on open-source technologies such as NoSQL, MongoDB, Data Formats (XML / JSON), JavaScript Frameworks ReactJS, JS, JQuery, CSS, HTML5, in-memory databases, Build tools like webpack.

• 2+ years of prior experience working in a software engineering environment
• B. E in Computer Science/Information Science or equivalent degree

• Conducting analysis of website and application requirements.
• Writing back-end code and building efficient PHP Laravel
• Developing a back-end portal with an optimized database.
• Troubleshooting application and code
• Integrating data storage solutions.
• Responding to integration requests from front-end
• Finalizingback-endfeaturesandtestingweb
• Updating and altering application features to enhance

• Bachelor’s degree in computer science or a similar
• Knowledge of Laravel &PHP web frameworks including Yii, and
• Knowledge of front-end technologies Like HTML, CSS3, Bootstrap, and JavaScript.
• Understanding of object-oriented PHP
• Previous experience creating scalable applications.
• Proficient with code versioning tools including Git, Mercurial, CVS, and SVN.
• Familiarity with SQL/MYSQL databases.
• Ability to project manage.
• Good problem-solving

Senior Software Engineers are responsible for the design and development of the suite of cloud-based software products utilizing cutting-edge tools and technologies.

What You Will Be Doing:

Work on Internet scale applications, where performance, reliability, and scalability, are critical design goals – not after-thoughts.
Learn the nuts and bolts of Microservices Architecture and build robust RESTful APIs.
Create beautiful, interactive, and easy-to-use web applications using modern client-side frameworks and libraries.
Gain experience with different database technologies, ranging from traditional relational to the latest NoSQL products such as Couchbase and Elastic Search.
AWS for infrastructure, deploying services with ECS and Lambda

What You Will Need for this Position

The prerequisites for joining our development team are simple. We care more about your attitude and aptitude than the specific tools and technologies you have used in the past. You need to have a strong passion for software development and must take pride in your coding. You should also have great analytical skills and ability to handle complex, modular software development in a collaborative team-based environment.

5+ years of overall development experience, which ideally includes working with an object-oriented language (Java)
Experience with using and implementing RESTful APIs.
Experience with one or more of the following databases: traditional relational database as well as document/NoSQL storage.
Experience with JavaScript, React/Angular/Vue and Node.js. We will also welcome proven engineering leaders who are eager to immerse themselves in mastering Typescript/JavaScript and our tech stack
BS, MS or PhD in Computer Science OR related technical discipline.
Big plus if prior experience with video processing, streaming and video-related cloud services such as AWS Elemental & Amazon IVS

Salary :- No bar for deserving candidates

Apptroit is a leading Mobile App & Web Solution Development Company in the USA, UK, UAE and India and serving its clients across the globe. Also having proficient and dedicated Android app developers, iOS App developers, designers and digital marketing experts with a reputation for getting things done. We are well-versed in a variety of operating systems, networks, and databases. We work with just about any technology that a small business would encounter. We use this expertise to help customers with small to mid-sized projects.

RESPONSIBILITIES:

Program daily in Node.JS, Angular2+/React JS, Express, Bootstrap, MongoDB and others.

Build web-based and mobile-first front-end GUIs to support workflows.

Integrate with REST APIs and relational databases.

Build out new features and iterate on existing features.

Design and implement low-latency, high-availability and performant applications.

Help define architectures and design patterns.

Participate in code reviews.

Must have experience in Deployment

SKILLS AND EXPERIENCE:

Real world web and service development experience.

Deep Experience with modern frameworks such as Node.JS, Angular2+/ React , Express & MongoDB.

Experience with server-side languages like Jade, EJS, etc

Experience with HTML5 & CSS3 frameworks such as bootstrap.

Experience with web services API integration (Rest, JSON, XML).

Experience in anyone one these Docker, Kubernates, AWS, Azure