Fullstack Developer

Job Description: Senior Full-Stack Engineer (MERN + Python )

Location: Noida (Onsite)

Experience: 5 to 10 years

We are hiring a Senior Full-Stack Engineer with proven expertise in MERN technologies and Python backend frameworks to deliver scalable, efficient, and maintainable software solutions. You will design and build web applications and microservices, leveraging FastAPI and advanced asynchronous programming techniques to ensure high performance and reliability.

Key Responsibilities:

• Develop and maintain web applications using the MERN stack alongside Python backend microservices.
• Build efficient and scalable APIs with Python frameworks like FastAPI and Flask, utilizing AsyncIO, multithreading, and multiprocessing for optimal performance.
• Lead architecture and technical decisions spanning both MERN frontend and Python microservices backend.
• Collaborate with UX/UI designers to create intuitive and responsive user interfaces.
• Mentor junior developers and conduct code reviews to ensure adherence to best practices.
• Manage and optimize databases such as MongoDB and PostgreSQL for application and microservices needs.
• Deploy, monitor, and maintain applications and microservices on AWS cloud infrastructure (EC2, Lambda, S3, RDS).
• Implement CI/CD pipelines to automate integration and deployment processes.
• Participate in Agile development practices including sprint planning and retrospectives.
• Ensure application scalability, security, and performance across frontend and backend systems.
• Design cloud-native microservices architectures focused on high availability and fault tolerance.

Required Skills and Experience:

• Strong hands-on experience with the MERN stack: MongoDB, Express.js, React.js, Node.js.
• Proven Python backend development expertise with FastAPI and Flask.
• Deep understanding of asynchronous programming using AsyncIO, multithreading, and multiprocessing.
• Experience designing and developing microservices and RESTful/GraphQL APIs.
• Skilled in database design and optimization for MongoDB and PostgreSQL.
• Familiar with AWS services such as EC2, Lambda, S3, and RDS.
• Experience with Git, CI/CD tools, and automated testing/deployment workflows.
• Ability to lead teams, mentor developers, and make key technical decisions.
• Strong problem-solving, debugging, and communication skills.
• Comfortable working in Agile environments and collaborating cross-functionally.

Lead Full Stack Developer (MEAN Stack) (Product Lead ) - 5+ Exp.

Responsibilities:

• Lead the Product development team in designing, implementing, and maintaining robust MEAN stack Application.
• Should be able to plan & execute Development Sprints in Jira based on given Feature Documentation.
• Should be able to allocate resources for Sprints and give time estimates.
• Conduct Daily Standup Meetings for Team and make sure of Sprint Progress.
• Provide technical leadership and mentorship to junior developers, guiding them in best practices for MEAN Stack development.
• Collaborate with stakeholders to gather requirements, provide technical insights, and communicate project progress.
• Stay updated with the latest development trends, tools, and technologies, and advocate for their adoption within the team.
• Making sure that we are creating highly scalable and maintainable API’s that meet performance and security requirements.
• Make sure to have at least 90% Test Coverage for NodeJS Backend.
• Conduct detailed code reviews & refactoring and ensure adherence to coding standards, best practices, and project guidelines.
• Optimising frontend components for maximum performance across a vast array of web-capable devices and browsers.
• Develop detailed, annotated wireframes depicting all elements on unique screen types, including content, functional, navigation, and interaction specifications.
• Articulates rationale for approach in the context of both business and user needs.
• Define processes and deliverable that meet project goals and are reasonable within operational, cultural and technology constraints.
• Submit Weekly Sprint & Product Performance Report to Management

Requirements:

• Bachelor's or Master’s degree in Computer Science, Engineering, or related field.
• Minimum 5+ years of experience in Node.js & Angular development.
• Experience with NoSQL database technologies like MongoDB is must.
• Strong problem-solving skills and the ability to work effectively in a fast-paced environment.
• Excellent communication skills with the ability to articulate technical concepts to non-technical stakeholders.
• Ability to prioritize tasks, manage projects properly and meet project deadlines.
• Experience with version control systems (e.g., Git) and CI/CD pipelines is must.

In this position, you will play a pivotal role in collaborating with our CFO, CTO, and our dedicated technical team to craft and develop cutting-edge AI-based products.

Role and Responsibilities:

- Develop and maintain Python-based software applications.

- Design and work with databases using SQL.

- Use Django, Streamlit, and front-end frameworks like Node.js and Svelte for web development.

- Create interactive data visualizations with charting libraries.

- Collaborate on scalable architecture and experimental tech. - Work with AI/ML frameworks and data analytics.

- Utilize Git, DevOps basics, and JIRA for project management. Skills and Qualifications:

- Strong Python programming

skills.

- Proficiency in OOP and SQL.

- Experience with Django, Streamlit, Node.js, and Svelte.

- Familiarity with charting libraries.

- Knowledge of AI/ML frameworks.

- Basic Git and DevOps understanding.

- Effective communication and teamwork.

Company details: We are a team of Enterprise Transformation Experts who deliver radically transforming products, solutions, and consultation services to businesses of any size. Our exceptional team of diverse and passionate individuals is united by a common mission to democratize the transformative power of AI.

Website: Blue Hex Software – AI | CRM | CXM & DATA ANALYTICS

• Responsible for end-to-end architecture of new products – Concepts, Architecture, Design & Delivery, Roll-out and Customer Success.
• Lead, manage, and mentor a team of 15+ internal engineers.
• Architect scalable, robust and cost-effective solutions in a cloud environment.
• Take complete ownership of the Non-Functional Requirements and in driving the technology road-map.
• Work with technical leaders in other groups like R&D, Marketing and Customer Service, etc. in understanding the pain points and work with the engineering leaders to address them Identify applications for new technologies and lead implementation.
• Help define and maintain principles, guidelines, reference architectures, standards, road maps, and patterns especially as they pertain to custom application development

Responsibilities:

• Design, develop, and maintain software applications.
• Go the extra mile to identify customer needs and pain-points. 
• Relentless focus on delivering high quality, bug-free code.
• Closely work with the SRE and DevOps team to set up microservices infrastructure. 
• Maintaining and auditing code/design quality as per set guidelines and standards in assigned projects.
• Testing of completed tasks in ongoing projects in the team before sending updates to reporting authority/client.
• Participate in application design, code reviews and documentation.

Requirements:

• Experience in agile development process.
• Excellent knowledge of HTML5, CSS3.
• Excellent knowledge of JavaScript.
• Experience with cross-browser, cross-platform and design constraints on the web
• Good understanding and experience of working on Vue.js/React.js.
• Prior experience building REST APIs
• Hands-on experience with Node.js/Golang/Java + Redis + Elasticsearch.
• Experience with AWS/GCP is a plus
• Knowledge of version control systems like GIT.
• Experience in developing automated unit and functional tests
• A minimum of 1 year of experience is needed.

• Own the Strategy, Roadmap, Execution, and Success for STAGE OTT product
• Take product ideas from ideation to implementation
• Develop backend services that expand the capabilities of our CMS for the content team
• Optimize the performance of our APIs
• Collaborate with Product and Design to iterate on our product
• Participate in design and code reviews

• Growth and Ownership mindset
• 1+ years of experience working in a Software Engineering role
• Strong foundation in programming, algorithms, and software application design
• Experience in Node.js Express and obsessed about optimizing Mongoose queries.
• Passionate about solving challenging problems and iterating quickly
• Previous experience in distributed systems, data processing and analytics is a plus
• Ability to extract, analyze and communicate data

Causality Biomodels is an Indo-German life science informatics company that focuses on the development of data-based solutions in the bioinformatics sector. Specifically, we work using semantic integration & information extraction methods, knowledge & data organization, and advanced statistical & machine learning techniques in the context of life sciences.

The team Causality Biomodels is searching for a full stack developer with a strong focus on Python, capable of taking on a lead developer role.

You will be mainly focusing on the following areas:

• Implementing new features by modifying our backend system and UI according to the product backlog and discussions with the team.
• Rapid prototyping to explore new directions based on current research developments.
• Design, development and maintenance of APIs, as well as product and add-on components.
• Maintenance of code integrity and organization.

The requirements are:

• Successfully completed bachelor’s or master’s degree in computer science or in related fields such as Bioinformatics.
• At least 2 years of professional software engineering experience.
• High proficiency in Python and ability to write clean and well-documented code (must).
• Experience with cloud-based development using AWS (preferred), GCP or Azure.
• Experience with Docker and container-based deployment.
• Proficiency in JavaScript.
• Experience with at least one database system (SQL or no-SQL).
• High familiarity with Git.
• Experience with agile development practices.
• Experience with CI/CD and automated testing.
• Very strong English skills (both verbal and written).

Bonus points for:

• Knowledge about machine learning or data science.
• Experience with Python packages SpaCy, scikit-learn, flask and fastapi.
• Experience with JavaScript libraries React and Redux/Context.
• Experience with Gitlab CI/CD pipelines.
• Experience working with knowledge graph data.
• Knowledge and experience in bioinformatics methods.

Roles and Responsibilities

• The candidate should have good experience in React & Node. Ability to understand business requirements and translate them into technical requirements.
• Produce high-quality code and experience with security implementations Identifying application security risks and Implementing security patches procedures.
• Stronghold on MongoDB and experience on other No SQL databases.
• Experience with Graph, Payment Gateway, Node.js process management, and web sockets like socket.io

Desired Candidate Profile

• Good understanding of core concepts of React.js.
• Strong understanding of Node.js and express.
• Hands-on experience in state management libraries like Redux & RXJS.
• Strong foundation of HTML5 & CSS3, pre-processors (Less/SCSS) and JavaScript.
• Experience integrating with Restful web services.
• Proficient with ES6/7/8 syntax and concepts.
• Also into Microservice architecture, Kubernetes, PUB-SUB concept

Permanent WFH opportunity.

Shift timing 11 am- 8 pm