Responsibilities:
- Develop, record and maintain cutting edge web-based Node Js applications on service platforms.
- Building resilient Rest APIs microservice architecture.
- Use test-driven development and acceptance tests to ensure feature quality.
- Coordinate with co-developers and keep project manager well informed of the status of development effort and serve as the liaison between development staff and project manager
- Keep abreast of new trends and best practices in development.
Skills Required:
Ms-SQL, MongoDB, AWS services (S3 Batch, Lambda, Fargate), Nest Js, Express Js, Typescript.

About Semperfi Services and Solutions
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We are a dynamic and innovative technology company dedicated to delivering cutting-edge solutions that empower businesses and individuals. As we continue to grow and expand our offerings, we are seeking a coding fanatic, who is interested in working on and learning new technologies.
Position - Backend developer
Job type - Freelance or on contract
Location - Remote
Roles and Responsibilities:
- Plan,create and test REST APIs for back-end services such as authentication and authorization.
- Deploy and maintain backend systems on the cloud.
- Research and develop solutions for real life business problems.
- Creating and maintaining our apps' essential business logic, providing correct data processing and flawless user experiences.
- Database design, implementation, and management, including schema design, query optimisation and data integrity.
- Participating in code reviews, providing constructive input, and ensuring that code quality standards are met.
- Keep abreast of industry developments and best practices to bring new solutions to our initiatives.
Required skills and experience -
Must have skills : -
- Bachelor’s degree in computer programming, computer science, or a related field.
- 3 + years of experience in backend development.
- Proficient in Python,Mongodb,postgres/sql,Django and Flask
- Knowledge on nginx.
- C++/C +Cython for creating python modules
- Knowledge on Redis
- Familiarity with using AI provider apis and prompt engineering
- Experience in working with linux based instances on the cloud.
- Strong problem solving and verbal and written communication skills.
- Ability to work independently or with a group.
Good to have skills :-
- Experience in node.js and Java
- AWS and Google cloud knowledge.

Job Overview:
We are looking for a Full-Stack Developer with 4+ years of experience in software development. The ideal candidate will be proficient in both frontend and backend technologies, capable of building scalable and high-performance applications, and have a problem-solving mindset. You will collaborate with cross-functional teams to develop, optimize, and maintain web applications.
Key Responsibilities :
- Design, develop, and maintain web applications ensuring performance and scalability.
- Work with backend services using Node.js (Express.js/NestJS) and databases.
- Develop and maintain frontend applications using React.js (minimum 1 year experience required).
- Integrate APIs (RESTful & GraphQL) and third-party services.
- Write clean, maintainable, and efficient code following industry best practices.
- Ensure security, reliability, and optimization in applications.
- Participate in debugging, troubleshooting, and performance tuning.
- Work closely with designers, product managers, and engineers to deliver high-quality solutions.
- Stay updated with modern development trends and contribute to technical improvements.
Required Skills & Qualifications :
- 4+ years of experience in full-stack development.
- Strong proficiency in JavaScript and TypeScript.
- Hands-on experience with Node.js (Express.js/NestJS).
- Minimum 1 year of experience working with React.js.
- Experience with SQL (PostgreSQL, MySQL) and NoSQL (MongoDB) databases.
- Proficiency in API design, development, and integration (RESTful, GraphQL).
- Familiarity with version control tools (Git, GitHub/GitLab/Bitbucket).
- Strong problem-solving and analytical skills.
- Ability to work both independently and collaboratively in a team.
Good to Have :
- Experience with Cloud Services (AWS, Azure, or GCP).
- Familiarity with Containerization (Docker, Kubernetes).
- Knowledge of testing frameworks (Jest, Mocha, or Cypress).
- Understanding of event-driven architectures and message queues (Kafka, RabbitMQ).
About the Company
Our client is one of the leading TMT bar manufacturer and exporter in India. It is a well known group that achieves a turn over of 3000 Cr per annum. The group is setting a construction & architecture oriented omni channel B2B & B2C platform.
Job Description
Experience : 3-5Years
Requirement
- 3+ years of backend/full-stack development experience
- Proficient knowledge of a back-end programming language i.e Node.Js
- Experience with AWS services,Mongo DB
- Experience with RabbitMQ or similar queuing system
- Experience with Redis/ElasticSearch/PHP is a plus
- Familiarity with CI/CD pipeline tools like Jenkins
- Experience in handling a team
- Good at Design patterns, Algorithms, and Data structures.
- Have outstanding leadership skills, excellent people/communication, and negotiation skills
- Good knowledge of working with Git
- User authentication and authorization between multiple systems, servers, and
environments.
- Integration of multiple data sources and databases into one system
Management of the hosting environment, including database administration
and scaling an application to support load changes
.
Regards
Team Merito

What is the role?
You will be responsible for developing features on the application and integrations end to end. You will be working closely with the Technical Team to come up with high-quality, resilient, and highly performant applications.
Key Responsibilities
- Design and develop SaaS-based applications based on microservices architecture.
- Work on the core backend and ensure it meets the performance benchmarks.
- API and Integrations.
- Designing and developing APIs for the front end to consume.
- Constantly improve the architecture of the application by clearing the technical backlog.
- Meeting both technical and consumer needs.
- Staying abreast of developments in web applications and programming languages.
- Work on the front end with ReactJS is a plus point.
What are we looking for?
- An enthusiastic individual with the following skills. We are open to promising candidates who are passionate about their work and are team players.
- A subset of the below skills should be fine as long as you are good.
- OAuth, API Integrations.
- Overall 6+ yrs of experience.
- Agnostic/Polyglot with multiple tech stacks.
- Worked on open source technologies – NodeJS, ReactJS, MySQL, NoSQL, MongoDB, CouchDB, DynamoDB, Clickhouse, Kafka.
- Backend exposure – good knowledge of building and integrating APIs.
- Efficient in building microservices in combining server & front-end.
- Knowledge of cloud architecture.
- Excellent knowledge and understanding skills on OAuth.
- Should have sound working experience with relational and columnar DB.
- Should be innovative and communicative in approach.
- Will be responsible for functional/technical track of a project.
Who will you work with?
You will closely work with the engineering team and support the Product Team of Plum.
We are
A fast-growing SaaS commerce company based in Bangalore with offices in Delhi, Mumbai, SF, Dubai, Singapore, and Dublin. We have three products in our portfolio: Plum, Empuls and Compass. Xoxoday works with over 1000 global clients. We help our clients in engaging and motivating their employees, sales teams, channel partners or consumers for better business results.
Way forward
We look forward to connecting with you. As you may take time to review this opportunity, we will wait for a reasonable time of around 3-5 days before we screen the collected applications and start lining up job discussions with the hiring manager. We however assure you that we will attempt to maintain a reasonable time window for successfully closing this requirement. The candidates will be kept informed and updated on the feedback and application status.

- Ownership of complete backend code.
- Full stack development on cutting edge technology in Fintech domain.
You should Have :
- Server Side languages knowledge: Node.js and express.js is the first choice, Python, Java
- Solid experience working with databases, especially relational DB.
- Solid experience with version control (Git or Bitbucket or SVN).
- B.E. in Computer Science or Graduate/PG degree in Computer Science (this is optional, as we are more interested in your abilities and experience over a paper degree).
- Any experience working with real time projects in backend with node.js and express.js
Your primary focus will be the development of all server-side logic, definition and maintenance of the central database, and ensuring high performance and responsiveness to requests from the front-end. You will also be responsible for integrating the front-end elements built by your co-workers into the application. Therefore, a basic understanding of front-end technologies is necessary as well.
Responsibilities
- Integration of user-facing elements developed by front-end developers with server side logic
- Writing reusable, testable, and efficient code
- Design and implementation of low-latency, high-availability, and performant applications
- Implementation of security and data protection
Skills And Qualifications
- Strong proficiency with JavaScript & OOPS
- Knowledge of Node.js and frameworks available for it
- Understanding the nature of asynchronous programming and its quirks and workarounds
- Good understanding of server-side CSS preprocessors
- Basic understanding of front-end technologies, such as HTML5, and CSS3
- Understanding accessibility and security compliance
- User authentication and authorization between multiple systems, servers, and environments
- Creating database schemas that represent and support business processes
- Implementing automated testing platforms and unit tests
- Proficient understanding of code versioning tools, such as Git
- Knowledge of AWS will be preferable
Integration of user-facing elements developed by front-end developers with server side logic
Writing reusable, testable, and efficient code
Design and implementation of low-latency, high-availability, and performant applications
Implementation of security and data protection
Integration of data storage solutions, may include databases, key-value stores, blob stores, etc
Integrating in-house product with third party applications and creating ready connectors
Build microservices with modular design
Benchmarking applications in terms of number of concurrent users, number of requests per second and similar parameters
Documenting and updating APIs for customers systematically
Required Skills:
Programming Language: NodeJS
Capabilities: REST APIs, WebSockets, Express
Databases: MongoDB, Redis, ElasticSearch
Tools: GIT, VSCode
__________________________________________________________________
**ONLY LOOKING FOR CANDIDATES WHO LIVE IN MUMBAI
Profile:
We are looking for a Backend Developer responsible for managing the interchange of data between the server and the users. Your primary focus will be development of all server-side logic, definition, and maintenance of the central database, and ensuring high performance and responsiveness to requests from the front-end.You'll be working alongside other engineers and developers, collaborating on the various layers of the infrastructure.
Job Responsibilities:
- Understand the lifecycle of a web app fully - browser-side, server-side, scalability, performance.
- Design, develop and own components of the product.
- Programming - ability to read/write enterprise quality code and make the right decision.
- Collaborate with the team and communicate effectively, to solve the problems and build, extend, optimize and refactor the back-end architecture.
- Generalist programmer with the ability to quickly learn and use new languages.
- Design and develop scalable, secure, and high-performance solutions.
- Experience working with relational and non-relational databases.
- At ease working with a Unix based system.
- Has worked with AWS/AmazonSES/EC2/Beanstalk/S3 storage.
Key Skills:
- Strong understanding of AWS, NodeJS, MySql, ExpressJS, Angular 2.
- Strong Programming background with an understanding of the flow of the product.
- Understanding of adaptive and responsive design, and the combination of them.
- A clear understanding of data structures, algorithms, and databases.
- Has completely built a product before including deployment and connecting with the front-end.
- Excellent analytical and problem solving.
- Can write maintainable, clean code and enforce it through code reviews.
- Maintains good documentation with the code written each day.
- A capability for a great learning curve.

Senior Ruby On Rails Developer
(Senior Product Engineer - ROR)
Experience - 3 to 6 years
Location - Pune
We are looking for an enthusiastic developer with a strong understanding of core Ruby and Rails framework along with PostgreSQL database. Someone who is passionate about coding and loves to work in an ongoing challenging environment. You will be part of a talented software team. You have to consistently deliver in a fast paced environment and should be more than willing to build software that people love to use.
Key Responsibilities
The individual role that you’ll play in our team:
- Developing large multi-tenant applications in Rails.
- Understanding Rails best practices and religiously introducing those to our codebase.
- Knowledge on how to do effective Refactoring.
- Ability to write unit tests and following those practices religiously.
- Working closely with the Product managers and UX team.
- Helping QAs to write automated integration tests.
- Staying up-to-date with current and future Backend technologies and architectures.
Read the ‘Skills and Experience’ section, it is not the usual yada yada, you’ll be asked specific questions on these.
Skills and Experience
- Ruby on Rails architecture best practices
- Knowledge on the latest versions on ROR
- Strong OOP knowledge in Ruby.
- Asynchronous Networking in Ruby
- Designing RESTFul HTTP APIs using JSON-Schema or JSON API (http://jsonapi.org/">jsonapi.org).
- Ability to architect and develop API only backend
- Experience in using ActiveRecordSerializer
- Understanding O-Auth2 or JWT (Json Web Token) authentication mechanisms.
- How to use RSpec
- Rails Security Best Practices
- PostgreSQL and Rails.
- SQL concepts like Joins, Relationships etc.
- Understanding DB Partition strategies.
- Knowledge about refactoring ActiveRecord Models (read this - “7 Patterns to Refactor Fat ActiveRecord Models”).
- Understanding scaling strategies for a high-traffic Rails applications (2 million+ requests a day).
- Background Job processing using Redis and Sidekiq
- Experience in using Amazon Web Services (AWS) tools.
- Writing automated Deployment Scripts using Capistrano, Ansible etc.
- Sending emails in Rails
- Knowledge in Linux and Git is mandatory
Optional Skills
- Knowledge in using Chef or Puppet
- Ability to do basic DevOps like setting up a Linux server.
- Websocket communication in Rails 5.
- Node.js
- JRuby
Scalefusion (formerly known as Mobilock Pro): (Our Flagship Product)
Scalefusion MDM allows organizations to secure & manage endpoints including smartphones, tablets, laptops, rugged devices, mPOS, and digital signages, along with apps and content. It supports the management of Android, iOS, macOS and Windows 10 devices and ensures streamlined device management operations with InterOps. Fusion of Endpoints at Scale.
Promobi Technologies:
ProMobi Technologies provides a leading Mobile Device Management Solution under the brand Scalefusion. The solution allows organizations to manage Android and iOS devices from the cloud. It offers modern mobile device management (MDM), application management (MAM) and content management (MCM) experience for corporate-owned devices. Renowned organizations from startups to Fortune 500 trust Scalefusion for their Device Management.

