Full Stack Developer (MERN Stack)

Job Title: PHP/Laravel Developer with JavaScript (3–10 Years Experience)

Department: Engineering

Industry: Insurance / Fintech

Employment Type: Full-Time, Permanent

Job Summary

We are looking for an experienced PHP/Laravel Developer with strong JavaScript skills to work across the full stack. You will build scalable backend systems, interactive frontends, robust APIs, and use modern AI tools to speed up development. This role involves backend coding, frontend development, database design, and full-stack integration.

What You’ll Be Doing

1. Backend Development

• Build reliable PHP applications and REST APIs
• Write clean, maintainable Laravel code
• Create REST APIs and work with GraphQL when required
• Work with microservices and Docker-based environments
• Perform code reviews and maintain coding best practices

2. Frontend Development

• Develop responsive and modular web UIs using JavaScript frameworks
• Build interactive components using React, Vue, or Angular
• Work with modern CSS frameworks and preprocessors
• Implement SPA features like routing & state management
• Ensure browser compatibility and mobile responsiveness

3. Database Work

• Design database schemas for MySQL, PostgreSQL, MongoDB, Redis
• Write optimized SQL queries via Eloquent ORM or Query Builder
• Implement indexing and performance optimization
• Work with SQL & NoSQL databases
• Manage migrations and ensure database stability

4. AI Tools & Productivity

• Use AI coding assistants (GitHub Copilot, Cursor AI, Tabnine)
• Integrate AI APIs (OpenAI, Claude) into applications
• Build AI-powered features and automations
• Use AI tools for debugging, refactoring, and code optimization

5. Full-Stack Integration

• Connect frontend and backend layers smoothly
• Implement authentication and authorization flows
• Manage client-server data flow and API integrations
• Work with state management across the stack
• Ensure consistent and seamless user experiences

Job Requirements

Must-Have (3–10 Years Experience)

Backend Skills

• Strong experience with PHP 8+ & Laravel
• Eloquent ORM, Query Builder, Blade, Middleware, Events
• API development & authentication
• Redis/Memcached caching
• Queue management (Laravel Queues, Horizon)
• Working knowledge of Node.js

Frontend Skills

• Strong JavaScript (ES6+, async/await, modules)
• React / Vue / Angular
• State management (Redux, Vuex, NgRx)
• Build tools: Webpack, Vite, Laravel Mix
• CSS3, HTML5, Sass/Less or CSS-in-JS
• Responsive, mobile-first development

Database Skills

• MySQL, PostgreSQL, Redis; MongoDB is a plus
• Schema design, optimization, indexing
• Migrations, normalization, performance tuning

AI Tools Experience

• Hands-on experience with coding assistants (Copilot, Cursor, Tabnine)
• Experience integrating AI APIs (OpenAI, Claude, etc.)
• Using AI tools for debugging & code improvement
• Basic understanding of prompt engineering

A full-stack developer is a versatile professional who has expertise in both front-end and back-end web development. They are responsible for building and maintaining all aspects of a web application or software product. Here are some key roles and responsibilities typically associated with full-stack developers:

1. Front-end Development:

• User Interface (UI) Design: Designing the user interface of web applications to ensure they are visually appealing and user-friendly.
• HTML/CSS: Creating the structure and styling of web pages using HTML (Hypertext Markup Language) and CSS (Cascading Style Sheets).
• JavaScript: Writing client-side code to add interactivity and functionality to web applications. Knowledge of popular JavaScript frameworks and libraries like React, Angular, or Vue.js is often required.

1. Back-end Development:

• Server-side Programming: Developing server-side logic and APIs (Application Programming Interfaces) using programming languages like Python, Java, Ruby, Node.Js(Node), or React Js(React).
• Database Management: Designing and managing databases, including creating schemas, writing SQL queries, and using database management systems like MSSQL, PostgreSQL, MongoDB, or SQL Server.
• Server Configuration: Setting up and configuring web servers, such as Apache, Nginx, or IIS, and deploying applications.

1. Integration and APIs:

• Building and integrating third-party APIs and services into web applications.
• Developing RESTful or GraphQL APIs to allow communication between the front-end and back-end components.

1. Version Control:

• Using version control systems like Git to track changes in code and collaborate with other developers.

1. Security:

• Ensuring the security of web applications by implementing authentication, authorization, and other security measures.
• Protecting against common web vulnerabilities like SQL injection, cross-site scripting (XSS), and cross-site request forgery (CSRF).

1. Testing and Debugging:

• Writing unit tests, integration tests, and performing debugging to ensure the reliability and quality of the code.

1. Deployment and DevOps:

• Deploying web applications to production servers and managing the deployment process.
• Familiarity with DevOps practices, including continuous integration and continuous delivery (CI/CD), is often beneficial.

1. Performance Optimization:

• Identifying and addressing performance bottlenecks in web applications to ensure optimal speed and responsiveness.

1. Collaboration:

• Collaborating with designers, product managers, and other team members to understand project requirements and deliver functional solutions.

1. Maintenance and Updates:

• Regularly updating and maintaining web applications to ensure they remain compatible with evolving technologies and security standards.

1. Documentation:

• Creating documentation for code, APIs, and system architecture to facilitate future development and troubleshooting.

1. Problem Solving:

• Full-stack developers need strong problem-solving skills to diagnose issues, implement solutions, and adapt to evolving project requirements.

1. Continuous Learning:

• Staying updated with the latest web development trends, tools, and technologies to enhance skills and deliver cutting-edge solutions.

Full-stack developers play a crucial role in the development lifecycle of web applications, from conceptualization and design to deployment and ongoing maintenance. Their ability to work on both front-end and back-end components makes them valuable assets in web development teams.

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.

The ideal candidate should be a proactive individual with strong communication skills and a team player. He or she should have experience of at least 5+ years in MEAN stack development.

Should have hands-on experience in the following:

• Hands-on experience in designing and developing applications using MEAN stack and have at
• least 5+ years experience on the same.
• Should have excellent in-depth knowledge of Nodejs and Mongo DB.
• Working knowledge of RESTful web services.
• Working knowledge of Angular js.
• Basic understanding of front-end technologies, such as HTML5, and CSS3.
• Integration of user-facing elements developed by front-end developers with server-side logic
• Design and implementation of low-latency, high-availability, and performant applications
• Proficient understanding of code versioning tools, such as Git
• Good communication skills.
• Experience in working effectively within a team

• Lead and direct UI team of user experience designers, UI software engineers and graphic designers.
• Design portal-style UI framework, modular and its API interfaces.
• Design intuitive look, innovative plus feel of next-generation UI.
• Collaborate with clients, product management as well as UI team.
• Design entire technical architecture of UI portal framework along with pluggable modules.
• Perform closely with customers, product management, graphic designers plus usability experts to present compelling user experience.