
Node.js Developer
- Rewrite existing APIs in NodeJS.
- Remodel the APIs into Micro services-based architecture.
- Implement a caching layer wherever possible.
- Optimize the API for high performance and scalability.
- Write unit tests for API Testing.
- Automate the code testing and deployment process.
Skills Required:
- At least 2 years of experience developing Backends using NodeJS — should be well versed with its asynchronous nature & event loop, and know its quirks and workarounds.
- Excellent hands-on experience using MySQL or any other SQL Database.
- Good knowledge of MongoDB or any other NoSQL Database.
- Good knowledge in postgre
- Good knowledge of Redis, its data types, and their use cases.
- Experience with graph-based databases like GraphQL and Neo4j.
- Experience developing and deploying REST APIs.
- Good knowledge of Unit Testing and available Test Frameworks.
- Good understanding of advanced JS libraries and frameworks.
- Experience with Web sockets, Service Workers, and Web Push Notifications.
- Familiar with NodeJS profiling tools.
- Proficient understanding of code versioning tools such as Git.
- Good knowledge of creating and maintaining DevOps infrastructure on cloud platforms.
- Should be a fast learner and a go-getter — without any fear of trying out new things Preferences.
- Experience building a large scale social or location-based app

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Role : Python Django Developer (Immediate Joiner)
Location : Gurugram, India (Onsite)
Experience : 4+ Years
Working Days : 6 Days WFO (Monday to Saturday)
Job Summary :
We are looking for an experienced Python Developer with strong expertise in Django to join our team. The ideal candidate will have 4+ years of hands-on experience in building robust, scalable, and efficient web applications.
Proficiency in RabbitMQ, Redis, Celery, and PostgreSQL is essential for managing background tasks, caching, and database performance.
Mandatory Skills : Python, Django, RabbitMQ, Redis, Celery, PostgreSQL, RESTful APIs, Docker.
Key Responsibilities :
- Develop, maintain, and enhance Django-based web applications and RESTful APIs.
- Design and implement message broker systems using RabbitMQ for asynchronous communication.
- Integrate Redis for caching and session management to improve application performance.
- Utilize Celery for managing distributed task queues and background processing.
- Work with PostgreSQL for schema design, optimization, and query tuning.
- Collaborate with cross-functional teams including front-end developers and DevOps engineers.
- Write clean, maintainable, and well-documented code aligned with industry best practices.
- Debug and troubleshoot issues across the application stack.
- Participate in system architecture discussions, code reviews, and agile ceremonies.
- Ensure performance, scalability, and security of applications.
Technical Skills Required :
- Minimum 4+ years of hands-on experience with Python and Django.
- Proficiency with RabbitMQ for message brokering.
- Experience with Redis for caching and session storage.
- Practical knowledge of Celery for asynchronous task processing.
- Strong command over PostgreSQL including complex queries and optimization techniques.
- Experience developing and consuming RESTful APIs.
- Familiarity with Docker and containerization concepts.
Preferred Skills :
- Exposure to CI/CD tools and processes.
- Experience with cloud platforms such as AWS or GCP.
- Understanding of Django ORM performance tuning.
- Basic knowledge of front-end technologies (HTML, CSS, JavaScript).
We are seeking an experienced Senior Software Engineer to join our Vet Healthcare Technology team. In this role, you will design, develop, and maintain cloud-native applications on Azure that power our Practice Management platform. You’ll collaborate closely with cross-functional teams—clinical SME’s, architects, QA, and DevOps—to deliver robust, scalable, and secure solutions utilizing .NET 8, React, and modern Azure services.
Key Responsibilities
- Architecture & Design
- Lead design discussions and apply proven design patterns (e.g., CQRS, Repository, Factory) to ensure clean, maintainable code.
- Define microservices boundaries and integration strategies (APIs, messaging) for HL7 and FHIR data flows.
- Development & Integration
- Build backend services in .NET 8, leveraging Azure Functions, Logic Apps, Service Bus, API Gateway, and Storage Services.
- Develop responsive front-end interfaces using React, TypeScript, and state-management libraries (e.g., Redux or Context API).
- Implement data persistence layers for SQL Server and PostgreSQL, including schema design, stored procedures, and performance tuning.
- Integrate with healthcare standards (HL7 v2/v3, FHIR R4) and third-party systems via secure, high-throughput interfaces.
- Quality & Compliance
- Write unit and integration tests to ensure code quality; participate in code reviews and pair-programming sessions.
- Follow best practices for security, privacy, and compliance in healthcare (HIPAA, GDPR, etc.).
- Mentorship & Collaboration
- Mentor mid-level engineers, drive knowledge-sharing sessions, and contribute to technical roadmaps.
- Work in an Agile/Scrum environment: estimate user stories, attend sprint ceremonies, and deliver incremental value.
As a Node.js Developer, you will be responsible for:
Designing, developing, and maintaining server-side applications and systems using Node.js, a JavaScript runtime environment. Your expertise in backend development, JavaScript, TypeScript, and REST APIs will play an essential role in creating efficient and powerful server-side applications.
Responsibilities:
● Design and implement efficient, secure, and maintainable server-side code using Node.js.
● Collaborate with the front-end development team to integrate user-facing elements with server-side logic.
● Develop APIs for seamless data flow between the front-end and back-end.
● Optimize application performance and ensure high availability and scalability.
To succeed in this role – you should have the following:
● Minimum of 3-4 years of experience as a backend developer.
● Must have proven experience as a Back-End Developer, with a focus on Node.js.
● Proficiency in JavaScript, TypeScript, and related frameworks (Express.js, Hapi.js, etc.).
● Experience with RESTful API design principles.
● Experience with agile development methodologies.
● Familiarity with working with at least one of PostgreSQL or MongoDB.
● Familiarity with version control systems (Git)
● Strong communication skills and ability to work collaboratively in a team.
● Strong problem-solving skills and attention to detail.
Added bonus:
● Familiarity with frontend development technologies like HTML and CSS.
● Experience working with Docker, Github Actions, and other common CI/CD pipelines
● Knowledge about AWS components (S3, EC2, Cloudfront, Redis Clusters, etc.)
Education:
Bachelor's degree in Computer Science, Information Technology, or a related field
Responsibilities:
- Help impacts software quality and customer experience (CX) of product features.
- Able to convert an LLD into code. Codes may need some refinement.
- Solutions are tested (continuously testable, when possible) and may need
- refinement.
- Able to write reusable and well-structured code.
- Understands software architecture (layers, software component, etc), has
- knowledge about patterns
- Understand and can use Algorithms, Data structures in solving problems.
Basic Qualification:
- Bachelor's degree in computer science or related technical discipline 0-1 years of experience
- Impactful internship, if fresher out of college- preferred with reputed techno-product orgs
- Excellent Functional skills- understands software architecture (layers, software
- components) and has knowledge about design patterns.
- Programming experience with at least one modern language such as Java, Node.js including object-oriented design.
- Computer science fundamentals in object-oriented design, data structures, algorithm design, problem solving, and complexity analysis.
Senior Software Engineer (Java)
We are looking for a Senior Software Engineer - Java
If you're a creative problem solver who is eager to develop amazing products and hungry for a new adventure, a word class workplace is waiting for you in the heart of Kolkata.
An exhaustive list of expectations :
✓ Design and implement cutting-edge applications
✓ Participate in code reviews and application debugging and diagnosis.
✓ Practice modern software development methodologies such as continuous delivery, and scrum.
✓ Collaborate with product managers and engineers to build scalable systems enabling innovative ordering experiences.
Requirements -
✓ Knowledge and 5+ years of experience in developing Java applications
✓ A completed technical degree in Computer Science or any related fields.
✓ Profound knowledge and working experience with Java Frameworks (Springboot) and SQL databases.
✓ Solid experience in the design and implementation of Restful APIs and design patterns.
✓ Strong knowledge in Core Java, REST , Spring Framework, Spring Boot Microservice , JPA (e.g. Hibernate, OpenJPA, etc.) , Docker, Jenkins, ELK Stack
✓ Experience working with NoSQL Technologies and interest in Elasticsearch, and Microservices architectures.
✓ Curiosity, out of box problem-solving abilities, and an eye for detail.
✓ Passion for clean code
What really makes us interested in you - You are self-motivated. You think like an entrepreneur, constantly innovating and driving positive change, but more importantly, you consistently deliver stupendous results.
Number of position – 3
Job Location – kolkata, Sector 5
We are hiring IN OFFICE ONLY.
Office located in the beautiful Astra Towers in Rajarhat Kolkata.
We are looking for Senior Laravel Developers that have experience with Laravel Framework PHP, and VueJs.
You will be working right away with other senior Laravel Developers that know the products. You will be learning the projects, and helping them clean up and polish our tech better. We are a product based company.
A little about us:
Klizo Solutions has over 50 employees and is located in the New Town area, near CC2. Our employees range from graphic designers, back-end developers, iOS and Android Developers, and more. We are primarily a product-focused company. Our founder is from the USA and spends about 6 months a year here going back and forth. We develop technologies around his products and develop products for a few other clients. We are looking to expand to more locations, and are hiring for those reasons. You can see a company video here: https://klizos.com/about-us/
Preferred & Required knowledge and Duties:
- MVC Structure
- SQL concept
- Eloquent Relationships
- HTTP middleware
- Basic knowledge of JQuery
- Basic command of Laravel (How to create Model, Controller, migration, middleware )
- Experience of Vue.js
- Experience with Git
- Experience integrating third-party APIs
- Experience with payment APIs
Required Shifts:
We are expected to work Monday - Friday
We may rarely be needed on a Saturday if a project is required.
BONUS Knowledge (not required):
- MongoDB
- Worked with Jira
- Knows Github / Repo / Source control
- Worked with Bitbucket
Job Types: Full-time, Permanent, In Office
Benefits
- Bonuses based on performance
- Additional training will be available and may be required
- Clean office, professional hardware, and a positive team.
Our client is a call management solutions company, which helps small to mid-sized businesses use its virtual call center to manage customer calls and queries. It is an AI and cloud-based call operating facility that is affordable as well as feature-optimized. The advanced features offered like call recording, IVR, toll-free numbers, call tracking, etc are based on automation and enhances the call handling quality and process, for each client as per their requirements. They service over 6,000 business clients including large accounts like Flipkart and Uber.
- Selecting appropriate Cloud services to design and deploy an application based on given requirements
- Migrating complex, multi-tier applications on Cloud Platforms
- Designing and deploying enterprise-wide scalable operations on Cloud Platforms
- Implementing cost-control strategies
- Developing and maintain the CI/ CD pipeline for the assigned projects
- Conducting code reviews, and make technical contributions to product architecture
- Getting involved in solving bugs and delivering small features
- Fostering technical decision making on the team, but taking final decisions when necessary
- Understanding engineering metrics and seeking to improve them
- Understanding the requirements from the Product team, plan and execute.
What you need to have:
- Expert in designing Software and System architecture.
- Must have knowledge of Python (PHP knowledge is a plus) and related tools.
- Must understand MySQL queries and optimization.
- Must be able to build high performance teams.
- Must have worked with similar technologies: redis, docker, AWS, elasticsearch.
- Must know about microservice architectures and CI/ CD pipelines.
- Must be great at planning, researching and communicating.
- Must have a good understanding of application metrics.
- Analyzing complex object-oriented programming structure
- MVC model
- Relational database
- Database join clause
- API integration
- Other requirements
- Passionate about effective programming
- Responsibility for major tasks and chores
- Good to have Javascript knowledge
- Willing to resolve technical debt in the early step
- Good understanding of sprint cycle in agile
- Can communicate with developers and non-developers
- Can work independently but a great collaborator
- Good to have an experience with Node and MySQL
- Serverless API experience is not counted
- Good to have Git workflow knowledge
- Good to have Github collaboration experience
- As a polyglot developer Ideally, you should have:
- 1.5+ years of development experience using any of technology java, scala, python or any similar exciting technologies.
- Hands-on experience in coding, and implementation of complex, custom-built applications Working knowledge of build tool like maven/sbt and code versioning systems like git/bitbucket/cvs/svn
- Familiarity with few databases, like MySQL, Oracle, PostgreSQL, SQL Server, NoSQL etc Great OO skills, including strong design patterns knowledge
- Good communication and ability to work in a consulting environment is essential
- Think through hard problems in a consultancy environment, and work with amazing people to make the solutions a reality Work in a dynamic, collaborative, non-hierarchical environment where your talent is valued over your job title or years of experience
- Build custom software using the latest technologies and tools Craft your own career path
- Providing solution to real problems in Bigdata world.
- RnD on using the latest tools,techniques and cloud services.
- Automating the manual-timetaking tasks.
- Hands-on coding, usually in a pair programming environment.
- Working in highly collaborative teams and building quality code
- Working in lots of different domains and client environments
- Understanding the business domain deeply
We are a team of technology agnostic, passionate people who aim to provide solution to real world Bigdata problems.
We are building solutions that will help our customers to do automatic migration of their RDBMS systems to latest BIGDATA platforms and tools such as Spark, Apex, Flink etc. For more information do visit our products webpage.










