About the job
We, at BitClass, are looking to hire a Senior Software Engineer to join the Personalization, Recommendation and Search team. As a core member fo the team, you will design, build and own complex systems that will provide a personalised and unique experience to the entire audience of BitClass. The role involves engineering and building interest cloud of users and serving them meaningful content based on a highly-tuned and robust recommendation engine.
Responsibilities and requirements
- Writing clean, high-quality, high-performance, maintainable code
- Hands-on with Elasticsearch and its capabilities to build indices and serve recommendations
- Familiarity with building async pipeline to keep indexing data into Elasticsearch
- Develop and support software including applications, database integration, interfaces, and new functionality enhancements
- Support test and deployment of new products and features
- Participate in code reviews
Qualifications
- Bachelor's degree in Computer Science (or related field)
- 3+ years of relevant work experience
- Expertise in Object Oriented Design, Database Design, and XML Schema
- Experience with Agile or Scrum software development methodologies
- Ability to multi-task, organize, and prioritize work

About BitClass
About
Connect with the team
Similar jobs
Core Responsibilities:
- Design, develop, and maintain backend services and APIs using Python or Golang.
- Write high-quality, testable, and maintainable code with a focus on performance and scalability.
- Implement automated tests and contribute to CI/CD pipelines.
- Collaborate with product, QA, and DevOps teams for end-to-end feature delivery.
- Troubleshoot production issues and provide timely resolutions.
- Participate in design and architecture discussions to improve system efficiency.
- Contribute to improving development processes, coding standards, and best practices.
Experience and Expertise:
- 1-2 years of experience in backend development with Python or Golang.
- Solid understanding of RESTful APIs, microservices, and distributed systems.
- Strong knowledge of data structures, algorithms, and OOPS principles.
- Hands-on experience with relational and/or NoSQL databases.
- Familiarity with Linux development, Docker, and basic cloud concepts (AWS/GCP/Azure).
- Proficiency with Git and version control workflows.
- Familiarity with AI-powered development tools or exposure to projects involving large language models (LLMs) is a plus.
Skills:
- Strong analytical and debugging skills with the ability to solve complex problems.
- Good communication and collaboration skills across teams.
- Ability to work independently with minimal supervision while being a strong team player.
- Growth mindset – eagerness to learn new technologies and improve continuously.
- 2-5 years of experience in building API services using NodeJS Express and related
frameworks
- Expert level understanding of NodeJS asynchronous runtime
- Expert level understanding of Javascript concepts on callbacks and closures
- Experience with Postgres, NoSQL, Redis, and Firebase real-time database
- Experience with AWS services like Elastic Beanstalk, Cloudfront, S3, EC2, Lambda,
API Gateway, SQS, etc
- Understanding of patterns and techniques for building scalable back-end
infrastructure including caching, rate limiting, authentication, and authorization
schemes.
- Experience in building highly scalable and high throughput services with
millisecond response times
- Experience working in a collaborative team environment
- Excellent communication & interpersonal skills
- Willingness to learn and pick up new technology along with patience to mentor
Bonus skills -
- Experience with ElasticSearch, Puppeteer
- Experience writing unit tests
As a back-end developer, you’ll work on our back-end app that is built with Ruby on Rails. You’ll help to plan and develop new features, review other people’s code, fix bugs, help in technological and business decisions, and support the internal team.
Responsibilities
- Work in our main app back end built with Ruby on Rails
- Act as an architect of new features
- Review other people's code
- Fix bugs
- Help in decisions of technology and business
- Support internal team
- Refactor code
Requirements
- At least 3 years of industry experience
- At least 1 year of experience working on Ruby on Rails projects
- Comfortable in dealing with server infrastructure and deployment processes
- Experience with continuous delivery and automated testing.
- Experience with refactoring Ruby on Rails applications
- Experience in designing, developing and maintaining APIs
- Can work for at least a couple of hours during Japanese business hours
Nice to haves
These aren’t required, but be sure to mention them in your application if you have them.
- UI/UX design principles
- Good understanding of coding best practices and design patterns
- Understanding of security technologies (encryption, authentication, OAuth 2.0)
- Contribution to open source projects
- Interest and ability to learn other coding languages as needed
- Agile Development experience
We are looking for an experienced Python developer who can help create dynamic software applications for our clients with their skill set. In this role, you will be responsible for gathering requirements from clients and accordingly write and test scalable code, and develop back-end components.
Technologies worked on:
Python - Django/Flask/FastAPI, Pytest/Unittest, AWS services.
Database - Postgresql/Mysql or NoSQL databases.
Requirement Description:
• Experience in designing,implementation & testing of Python Applications.
• Must have knowledge of at least one of python web framework Django/Flask/FastAPI and any of unit test frameworks(Pytest/Unittest).
• Should have a solid understanding of object-oriented programming (OOP).
• Well-experienced to perform Unit Testing and Integration Testing
• Have good experience in Agile based development approach.
• Expertise in developing enterprise-level web applications and REST/GRAPHQL APIs using
MicroServices, with demonstrable production-scale experience.
• Demonstrate strong design and programming skills ,writing optimized code.
• Working knowledge with SQL(MySQL,Postgresql etc) is mandatory and knowledge on NoSQL databases can be an addon.
• Understand Architecture Requirements and ensure effective design, development, validation, and support activities.
• Understanding of core AWS services, uses and basic AWS architecture best practices.
• Proficiency in developing, deploying, and debugging cloud-based applications using AWS.
• Ability to use the AWS service APIs, AWS CLI, and SDKs to write applications
• Ability to identify key features of AWS services while designing a solution.
• Identify bottlenecks and bugs, and recommend solutions by comparing the advantages and disadvantages of custom development
• Should contribute to team meetings, troubleshooting development and production problems across multiple environments and operating platforms
• Execute strong collaboration and communication skills within distributed project teams.
• Responsible for quality and timely deliverables for each given task.
• Knowledge on frontend technologies could be addon.
Our client is a decade-old software development company, that offers its clients a wide range of customized web, mobile, and eCommerce tools and software. They are known to use advanced languages and platforms used to build reliable, secure, and scalable solutions for their business clients as well as individual customers. Their disruptive craftsmanship and strategy help in high-performance growth and allows customers to transform digitally and competitively.
Their products are being used by most of the banks and NBFCs in India, apart from clients from other industries. The founder is an IIM and MDI alumni and has experience of more than 13 years in business and strategic roles in MNCs. The company has been accredited by the government as a premier IT company, committed to quality and driven by customer success.
- Collaborating with a passionate development team to build custom solutions on, but not limited to Wordpress
- Writing efficient, robust and reusable code.
- Effectively managing project tasks, timelines and communication.
- Developing and maintaining technical project documentation (whenever necessary)
What you need to have:
- B.Tech /B.E.;BCA;MCA
- Hands-on experience in PHP and WordPress.
- Working experience in HTML, CSS, Bootstrap, Javascript, Jquery.
- 2+ year experience as a WordPress developer
- Experience with creating shortcodes.
- Understanding of OOPS concepts.
- Good knowledge of web securities, GIT.
- Knowledge of front-end technologies like AngularJS, ReactJS would be a huge plus.
- Web security knowledge.
- Excellent communication skills
Job Description:
- Develop, test, and maintain applications to specified designs & standards in Laravel.
- Develop & implement modern web services using service-oriented architecture, RESTful APIs, and SOAP.
- Write and execute unit tests.
- Implement front-end interfaces & experiences with modern HTML/CSS/jQuery.
- Test, troubleshoot, and optimize application components for maximum speed, security, stability, and scalability.
Skills & Experience:
- 4+ years of experience in Laravel.
- Experience in Core PHP using MVC Architecture.
- Ability to write APIs including Restful APIs.
- Knowledge of database operations with MySQL/MariaDB, Stored procedures.
- Knowledge of front-end technologies (HTML5, CSS3, JavaScript, jQuery, etc.).
- Knowledge and experience of OOPS.
- Knowledge of engineering practices like CI-CD.
- Strong documentation, communication, and team collaboration skills.
- Working knowledge of Lumen (preferred).
- Must have full knowledge of latest version of Laravel & PHP
● Should have 6+ years of experience as a software developer
● Good experience with Nodejs & Express js.
● Good with MySQL
● Experience with Linux Scripting
● Experience with elastic search and Logstash
● Experience with cyber security
● Great interpersonal and communication skills candidate can work independently
● Agile project methodology experience preferred.
● Excellent communication skills.
● Critical thinker and good problem-solver.
● Good time-management skills
● Great interpersonal skills
Working Timings: 3:00 pm to 12:00 am (midnight)IST
We are looking for a MERN stack developer with experience in designing and developing the design and development of
- JavaScript experience
- NodeJS - 2+ years of experience with production-ready applications
- 2+ years of experience with 2 or more UI frameworks (React, Angular).
- React preferred a Thorough understanding of React.js and its core principles
- Experience with popular React.js libraries (such as Redux, jest, etc)
- Experience in testing libraries such as Jest, Enzyme, or Mocha.
- Experience in building Progressive Web Apps (PWA)
- Knowledge of Node server, Socket connections, and mechanisms to handle real-time async data
- Experience with Elasticsearch (Lucene queries).
- Experience with API Design
- Experience with DB Design (document and relational databases like Mysql, MongoDB, etc.)
- Experience with SQL/NoSQL databases, writing queries, etc.
- Experience with common front-end development tools such as Babel, Webpack, NPM, etc.
- Understanding HTTP/HTTPS protocols






