Full Stack Developer

Key Responsibilities

• Design, develop, and maintain full-stack web applications using MongoDB, Express.js, React.js, and Node.js
• Build and optimise RESTful APIs and micro services
• Work closely with product managers, designers, and developers to deliver scalable solutions
• Write clean, maintainable, and testable code
• Ensure application performance, security, and responsiveness
• Mentor junior developers and contribute to code reviews

🔹 Must-Have Skills

• Strong hands-on experience with MERN stack (MongoDB, Express, React, Node.js)
• Proficiency in JavaScript (ES6+), HTML5, CSS3
• Experience with Redux / State Management in React
• Solid backend expertise with Node.js & Express.js
• Database design, queries, and performance tuning in MongoDB
• Good understanding of REST APIs, authentication (JWT, OAuth)
• Familiarity with Git, CI/CD pipelines, and Agile methodology
• Exposure to cloud platforms (AWS, Azure, GCP) is a plus

🎯 Preferred Skills

• Experience with TypeScript
• Knowledge of GraphQL, Docker, Kubernetes
• Unit testing with Jest / Mocha
• Experience mentoring or leading small teams

🎓 Education

• Bachelor's / Master's in Computer Science, IT, or related field

We are seeking a mature, proactive, and highly capable Senior Java Full Stack Engineer with 4 – 6+ years of mid/senior profile in Java, Full Stack, React, Cloud Services. The ideal candidate can handle multiple challenges independently, think smartly, and build scalable end-to-end applications while also owning architecture and deployment. Passionate about innovation, problem-solving and optimizing system performance.

Must Have Skills

• Java, Spring Boot, Hibernate, REST API, Gradle, Redis
• React JS, Node JS, Vue JS, or TypeScript
• Cloud Services (AWS, VM, Storage, Auth and Auth, Functions, and Deployments) 
• Microservices, Serverless Architecture
• Databases: MySQL, PostgreSQL, MongoDB
• Docker, Container orchestration (Kubernetes)
• API Development & Integration
• Bitbucket or Git-based version control
• Agile/Kanban working model

Good to Have Skills

• Familiarity with AI-powered coding assistants such as GitHub Copilot, Cursor AI, or Lovable AI.
• Basic understanding of Generative AI concepts and prompt engineering.
• Python (Fast API, Django REST Framework, Flask), PY Spark, Pandas
• API Testing Tools (Postman)
• CI/CD Pipelines
• Advanced Cloud Networking & Security
• Automation Testing (Playwright, Selenium) 
• Generative AI (LLMs, RAG Framework, Vector DB, AI Chatbots, Agentic AI)

Preferred Personal Attributes

• Highly proactive and self-driven
• Smart problem solver with strong analytical ability
• Ability to work independently in ambiguous and complex scenarios
• Strong communication & stakeholder management skills
• Ownership mindset and willingness to handle multiple challenges at once

Key Responsibilities

Full Stack Development

• Build and maintain production-grade applications using Java, Microservices, Python, and React/Next.js.
• Develop reusable frontend components and optimized backend services/microservices.
• Ensure clean architecture, maintainability, and code quality.
• Own development across the lifecycle—design, build, testing, deployment.
• Build AI chatbots, automation agents, and intelligent Assistants.
• Apply prompt engineering, fine-tuning, and model evaluation best practices.
• Deploy, manage, and monitor cloud workloads on AWS/Azure/GCP.
• Design and implement serverless architectures, microservices, and event-driven flows.
• Use Docker, CI/CD, and best DevOps practices.
• Ensure scalability, security, cost optimization, and reliability.

Collaboration & Leadership

• Comfortably handle ambiguity, break down problems, and deliver with ownership.
• Lead technical initiatives and mentor junior team members.
• Work closely with cross-functional teams in Agile/Kanban environments.

1. should have strong communication skill
2. able to communicate to client about technical solutions and needs
3. Able to deliver the project from end to end without management support
4. Should be able to code Full stack development Ex: MERN
5. Manage team independently
6. Minimum 5+ years of experience

• Work with development teams and product managers to create software solutions.
• Design client-side and server-side architecture.
• Build the front-end of applications.
• Develop and manage well-functioning databases and applications.
• Write effective APIs.
• Test software to ensure responsiveness and efficiency.
• Troubleshoot, debug and upgrade software.
• 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 the software.

Qualifications:

Degree in Computer Science, Software Engineering or relevant field.
Experience with Java, Spring, and Restful API's.
Experience with Database development (MySQL, Postgres, etc).

Proven experience as a Full Stack Developer or similar role. Knowledge of multiple front-end languages and libraries (e.g. HTML/ CSS, JavaScript, jQuery).
Knowledge of multiple back-end languages (e.g. Java, Python) and JavaScript frameworks (e.g. Angular, React, Node.js).
Familiarity with databases (e.g. MySQL, MongoDB), web servers (e.g. Apache), and UI/UX design.
Experience with AWS or other cloud environments

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.

We're looking for a Full Stack developer who will take a key role on our team. Our Full Stack developer must have knowledge in all stages of software development.

Requirements:

• Design overall architecture of the web application.
• Maintain quality and ensure responsiveness of applications.
• Collaborate with the rest of the engineering team to design and launch new features.
• Maintain code integrity and organisation.
• Experience working with graphic designers and converting designs to visual elements.
• Understanding and implementation of security and data protection.
• Highly experienced with back-end programming with NodeJS, you can easily design and integrate the REST APIs with front end.
• Well versed with JavaScript (frameworks such as ReactJS).
• Development experience for both mobile and desktop.
• Experience with cloud message APIs and usage of push notifications.
• Knowledge of code versioning tools such as Git.
• Knowledge about Firebase & GoLang is an added advantage.

• Java / Java Script code development using frameworks like Spring, Hibernate , Rest web services,  AWS services.
• · Dev-Ops activities using Maven, Eclipse and other tools
• · Contribute to providing estimates for implementation of new requirements and work diligently towards delivering within the estimates
• · Ensure Quality of the releases by adhering to SDLC best-practices such as, unit tests,continuous integration, system testing
• · Re-use code. Ensure delivered code is modular and extensible
• · Ensure adequate coverage of functional and non-functional requirements in test plans Position Requirements
• · 3-5+ years of hands on experience in Java/J2EE development. Experience with the implementation of a distributed, enterprise JAVA/J2EE solution is strongly preferred
• · Experience in JAVA/J2EE Frameworks such as Spring, hibernate is strongly preferred
• · Experience in SOA and SOA related technologies, solutions and products as well as experience with implementation of REST full web services is preferred
• · Experience with data modelling and experience with relational databases like MySQL, SQL Server or Oracle is desirable
• · Mobile application development experience on Android or iOS is desirable