Job Description:
As a MERN Full Stack Developer, you will be responsible for developing and maintaining web applications using the MERN (MongoDB, Postgresql, Express.js, React, Node.js) stack. You will work closely with our product and design teams to build high-quality, scalable, and efficient solutions.
Key Responsibilities:
- Develop and Maintain Web Applications: Design, develop, and deploy full-stack web applications using the MERN stack.
- API Development and Integration: Create and integrate RESTful APIs.
- Database Management: Design and manage databases using MongoDB.
- Code Quality and Testing: Write clean, maintainable, and efficient code. Implement unit tests and integration tests.
- Collaborate with Cross-functional Teams: Work closely with product managers, designers, and other developers to deliver high-quality products.
- Performance Optimization: Identify and implement performance improvements for existing applications.
- Stay Updated with Industry Trends: Keep abreast of latest trends and technologies in web development.
Required Qualifications:
- Experience: 3-4 years of professional experience as a Full Stack Developer.
- Technical Skills:
- PostgreSQL: Proficient in database design, indexing, and performance optimization.
- Express.js: Solid experience in building and managing APIs and middleware.
- React: Strong knowledge of React and related libraries (Redux, React Router, etc.).
- Node.js: Expertise in server-side development and asynchronous programming.
- HTML/CSS: Proficient in web markup and responsive design.
- JavaScript/TypeScript: Advanced proficiency in JavaScript and TypeScript.
- Version Control: Experience with Git and Git workflows.
- Soft Skills:
- Strong problem-solving abilities and analytical skills.
- Excellent communication and teamwork skills.
- Ability to work in a fast-paced environment and manage multiple tasks.
- Attention to detail and a commitment to delivering high-quality work.
Preferred Qualifications:
- Experience with cloud services (AWS, Azure, Google Cloud).
- Familiarity with CI/CD pipelines.
- Experience with Docker and container orchestration (Kubernetes).
- Knowledge of GraphQL.
- Prior experience in Agile/Scrum development methodologies.
Benefits:
- Competitive salary and benefits package.
- Opportunity to work with a talented and diverse team.
- Professional development opportunities.

About Certum Ventures Pvt Ltd
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Experience: 3+ years (Backend/Full-Stack)
Note: You will be the 3rd engineer on the team. If you are comfortable with Java and Springboot plus Cloud, then you will easily be able to pick up the following stack.
Key Requirements —
- Primary Stack: Experience with .NET
- Cloud: Solid understanding of cloud platforms (preferably Azure)
- Frontend/DevOps: Familiarity with React and DevOps practices
- Architecture: Strong grasp of microservices
- Technical Skills: Basic proficiency in scripting, databases, and Git
Compensation: competitive salary, based on experience and fit
Job Title: PHP Developer
Company: Aertrip
Location: Ghitorni, Delhi
Experience: Minimum 3 Years
Employment Type: Full-time
About Aertrip:
Aertrip is a fast-growing travel technology company providing seamless flight, hotel, and holiday booking experiences. We focus on delivering innovative, scalable, and efficient digital travel solutions to enhance customer satisfaction and business growth.
About the Role:
We are seeking an experienced PHP Developer to join our dynamic technology team. The ideal candidate should have strong command over PHP and related frameworks (especially CodeIgniter/Laravel), a passion for clean coding, and experience in building and maintaining scalable web applications.
Key Responsibilities:
- Develop, test, and maintain dynamic web applications using PHP and frameworks (CodeIgniter/Laravel).
- Write clean, efficient, and well-documented code.
- Collaborate with front-end developers, designers, and product managers to deliver high-quality solutions.
- Build and maintain RESTful APIs and integrate third-party services.
- Optimize applications for performance, scalability, and security.
- Troubleshoot, debug, and resolve software issues promptly.
- Participate in code reviews and contribute to improving coding standards and best practices.
Required Skills:
- Strong knowledge of Core PHP and Object-Oriented Programming (OOP) concepts.
- Hands-on experience with CodeIgniter (mandatory); knowledge of Laravel is a plus.
- Good understanding of MySQL, database design, and query optimization.
- Experience working with RESTful APIs and third-party integrations.
- Proficiency in HTML, CSS, JavaScript, and jQuery.
- Familiarity with Git/GitHub or other version control systems.
- Strong analytical and problem-solving skills.
- Ability to work independently in a fast-paced environment.
Qualifications:
- Bachelor’s degree in Computer Science, Information Technology, or a related field.
- Minimum 3 years of professional experience in PHP development.
- Experience in both new project development and maintenance of existing systems.
Are you passionate about backend development and building scalable applications? Join our growing team!
Technical Skills:
- Extensive experience in programming/scripting languages and frameworks in at least two Node.js, Java Springboot, and Python.
- Understanding of architectural patterns like Flux and MVC is a desirable
- Work experience in REST API service, Socket connections, and mechanisms to handle real-time async data is important.
- Strong knowledge in OOPS, GIT, SQL/nonSQL DB (such as Elastic DB, Mongo DB, MySQL), Design Patterns
- Preferred to have experience with microservices, API gateway, AAA service
- Good knowledge of coding standards, design patterns, unit testing frameworks, TDD, CI/CD practices.
Must have previous experience in leading a team-
- Experience with RESTful web services, CSS, and HTML5 is desirable-
- Experience with designing and building APIs with REST/Microservices
- Good to know about AWS Lambda & supporting configuration knowledge. Knowledge of any of the serverless frameworks like Serverless, AWS SAM would be an advantage.-
- Good to know of API Gateway and CloudFront.-
👉 Required Skills:
- Strong experience with Node.js
- Hands-on expertise in Payment Gateway Integration
- Proficient in MySQL Database Management
- Knowledge of Socket Programming is a big plus!
- Participating in design discussions, documentation, and development with the team as needed.
- Reporting to team lead/ manager on daily activities planned, expected deliverables, and reports as defined for the project.
- Participating in requirement gatherings as required.
What you need to have:
- Backend Developer with 3+ yrs of experience
- You have spent at least 2 yrs in a solid back end role.
- Javascript, Typescript, NodeJS
- Client-server architecture
- OOP concepts, including design patterns
- Understanding of RDBMS (MySQL, Postgresql)
- Understanding of REST API
- Familiarity with frameworks such as ExpressJs, NestJs
- Knowledge of TDD frameworks mocha, chai, jest, etc
- Knowledge of AWS (Lambda, RDS, EC2, SQS, S3, ECS, etc)
- Attention to detail
- Excellent communication skills
- Flexible and focussed on solutions
- Organized and self-sufficient
- Prioritize learning and growth
- Enjoy working with a team
- You've prior experience in fintech
- You've had experience taking a problem to a product solution (module/ product)
- Prior experience working with startups and understand the fast-paced, dynamic nature of work.
- You're based in Bangalore, India
- 5 years experience with the Django framework
- Experience with building APIs (REST or GraphQL)
- Strong Troubleshooting and debugging skills
- React.js knowledge would be an added bonus
- Understanding on how to use a database like Postgres (prefered choice), SQLite, MongoDB, MySQL.
- Sound knowledge of object-oriented design and analysis.
- A strong passion for writing simple, clean and efficient code.
- Proficient understanding of code versioning tools Git.
Experience:
- Min 5 year experience
- Startup experience is a must.
Location:
- Remote developer
Timings:
- 40 hours a week but with 4 hours a day overlapping with client timezone. Typically clients are in California PST Timezone.
Position:
- Full time/Direct
- We have great benefits such as PF, medical insurance, 12 annual company holidays, 12 PTO leaves per year, annual increments, Diwali bonus, spot bonuses and other incentives etc.
- We dont believe in locking in people with large notice periods. You will stay here because you love the company. We have only a 15 days notice period.
About the job:
You'll be responsible for building backend of our platforms. You must know Mongodb, and Node.js.
Expectations:
Develop backend API’s.
Strong ability to design and configure schema and MongoDB data modelling
Assuring the complete stack is designed and built for high performance and scalability.
Your Requirement:
Must know Mongodb and Node.js.
Work experience of minimum 2 years.
Worked with startups and evolved products for scale.
Preferred:
Growth mindset & leadership abilities to work in a frugal environment.
Fulfil’s software engineers develop the next-generation technologies that change how millions of customer orders are fulfilled by merchants. Our products need to handle information at massive scale. We're looking for engineers who bring fresh ideas from all areas into our technology.
As a senior software engineer, you will work on our python based ORM and applications that scales to handle millions of transactions every hour. This is mission critical software and your primary focus will be building robust and scalable solutions that are easy to maintain.
In this role, you will be collaborating closely with the rest of the team working on different layers of infrastructure in an international environment. Therefore, a commitment to collaborative problem solving, sophisticated design, and quality product are important.
What You’ll Do:
- Own definition and implementation of API interfaces (REST and GraphQL). We take pride in our 100% open API with over 600 endpoints.
- Implement simple solutions to complex business logic that enables our merchants to manage financials, orders and shipments across millions of transactions.
- Build reusable components and packages for future use.
- Translate specs and user stories into reviewable, test covered patches.
- Peer review code and refactor existing code.
- Integrate with our eCommerce partners (Shopify, BigCommerce, Amazon), shipping partners (UPS, USPS, FedEx, DHL) and EDI.
- Manage Kubernetes and Docker based global deployment of our infrastructure.
Requirements We’re Looking for Someone With:
- Experience working with ORMs like SQLAlchemy or Django (2-3 years)
- Experience with SQL and databases (Postgres preferred)
- Experience in developing large server side applications and microservices
- Ability to create high quality code
- Experience with python testing tools (pytest) and test automation
- Familiarity with code versioning tools like GIT
- Strong sense of ownership and leadership quality
- Experienced in the tools of our web stack- Python, Celery, Postgres, Redis, RabbitMQ
Nice to Haves:
- Prior experience at a growth stage Internet/Software company
- Experience with ReactJS, Google Cloud, Heroku
- Cloud deployment and scaling experience*
- Systems: REST & Graphql API’s, WSDL, XML JASON. Integration protocol, data exchanges between systems. Magento, Logistics, ERP integration experience
- Role: Will be responsible for developing and integrating API framework. Build service layer.
- Education : B.Tech – CSE, premium institute
- Experience : 3-6 Years, High transactional website, multiple system integration, AWS, Middleware and MySQL, MongoDB, Restful API. Team player, Passion for Coding. Magento eCommerce system design and database is desirable
- You will be working on Designing the Database, writing low latency microservice architecture in node js, express js.
- If you have basic knowledge of reactjs that would be plus for you as well as us.

Looking for a proficient Backend Engineer - JAVA for a leading E-Commerce Company.
- Proficient in Java, with a good knowledge of its ecosystems
- Great OO skills, including strong knowledge in design and architectural patterns
- Skill for writing reusable Java libraries
- Experience with Play Framework for Java
- Experience with JavaScript & frameworks like AngularJS
- Knowledge of concurrency patterns in Java
- Familiarity with concepts of MVC, JDBC, and RESTful
- Basic understanding of JVM, its limitations, weaknesses, and workarounds
- Implementing automated testing platforms and unit tests
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