
A quick overview of our stack:
Python, MySQL, NoSQL, Memcache, Bigquery, Microservices.
Responsibilities
As a backend developer, you would be responsible for building, scaling, and maintaining the multiple modules, encompassing - external integration, API management, building business and operation processes, designing and defining microservices, designing multi-input/output state machines
You will be given complete ownership of modules and processes. You will work with business, product, and UI teams to work on new features and products. You are expected to drive the services/modules to maximize its business impact and customer delight.
- Acumen for good, secure API design
- Write clear and effective API documentation
- Write/review test cases for code and process coverage
- Stickler for good, clear, secure coding, both oneself and team members by code review
- Reviewing designs, code, and processes from a system security standpoint
- Defining and building micro-services
- Building systems with positive business impact Tracking module health, usage, behavior tracking, measure and improve code and processes
Requirement
You will be working on multiple projects/modules. You are expected to write code to integrate - external providers, internal business and process tools, customer-facing applications, and partner-facing applications.
- At least 1-3 years of working experience in web services, preferably in Python
- Should have built and released APIs in production
- Experience working with RDBMS and NoSQL databases
- Designing thoughtful, extensible data models
- Knowledge of identifying, defining and building micro-services
- Working knowledge of GCS, AWS, Azure or any other cloud provider
- Aggressive problem diagnosis and creative problem-solving skills
- Good communication skills - written and spoken
Good to have
- Focus on constant improvement of developer experience
- Building or Working knowledge of CI/CD
- Basic know-how of front-end technologies like AngularJS/React
- Have worked on additional languages like Javascript/Ruby
Job Location - Bangalore

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Passionate about education? Join us at CK-12 !!
CK-12 (www.ck12.org) is on the lookout for talented, creative, and dedicated people to join our mission to provide great education to students around the world. We are looking for candidates to join our office in Bangalore.
We have a strong education platform that has served over 352+ Million users, have got over 2.88+ Billion questions answered, and have more than 350 thousand customized Flexbooks. We have embarked on an exciting journey to build an AI-powered student tutor and Teacher Assistant to build the next generation of learning platforms.
About CK-12 Foundation
CK-12’s mission is to provide free access to open-source content and technology tools that empower students as well as teachers to enhance and experiment with different learning styles, resources, levels of competence, and circumstances.
To achieve this noble and ambitious vision, we at CK-12 are challenging the traditional model of education to transform it dramatically. Technology has opened up lots of opportunities to revolutionize education for the benefit of students, teachers and parents.
We have chosen to be non-profit so that we can effectively realize our mission and do the right thing! It also provides us with the ability to experiment with big and bold ideas. CK-12 is backed by Vinod Khosla, a renowned technology venture capitalist.
At CK-12, you’ll experience the benefits of working in a dynamic, entrepreneurial, innovative and non-bureaucratic environment where you will get a lot of cool things done than you ever imagined! We are a small group of passionate folks who are determined to disrupt the current form of education.
Technology is key to scale education and we deeply believe in it. Come develop great solutions on our cloud-based (AWS) and AI-first platform delivering rich and interactive content.
Does our mission, people and technologies excite you? If the answer is YES! and you are a great technologist who will challenge status-quo (no order takers please!) by innovating, please come join us! Together, we will change the world!
Check out our latest product offerings
- Introducing Flexi 2.0
- Flexi, our AI-powered Student Tutor – https://www.flexi.org/
- AI-powered Teacher Assistant – https://www.ck12.org/pages/teacher-assistant/
Location: https://goo.gl/maps/NkA2Hr8JhtE3raWr5
Backend Engineer
Basic
● Design, maintain, and monitor infrastructure for data products
● Design and develop RESTful APIs for the data infrastructure
● Design, implement and drive adoption of new analytic technologies and solutions
● Work closely with data scientists, front end engineers and peers to gather requirements and
develop solutions
● Handle and resolve issues escalated from the production operational environment.
● Troubleshoot performance, reliability, and scalability issues.
● Excellent Problem solving skills
● A Code Craftsman that follows best software development and coding practices delivering
understandable and maintainable code with thorough unit tests coverage
Requirements
● 6+ years of development experience with Java, Scala, and/or Python
● Experience with writing and executing queries on RDBMS and NoSQL databases. Working knowledge of MongoDB, MySQL. We are not looking for a DBA.
● Experience with ElasticSearch, OpenSearch, Vector Embeddings, and large-scale search systems.
● Experience designing and operating high-throughput, low-latency backend services in production environments.
● Experience with horizontal and vertical scaling strategies, load balancing, caching, rate
limiting, and performance optimization.
● Experience identifying and resolving application bottlenecks through profiling, monitoring, and performance tuning.
● Experience in virtualization technologies and deployment frameworks (familiarity with working on UNIX shell, Jenkins.)
● Bachelors or masters degree in computer science or equivalent
Desired
● Experience working with FastAPI/Pylons Web Framework.
● Familiarity with messaging and distributed processing systems such as RabbitMQ, Kafka, SQS, or Celery.
● Experience designing systems to support millions of requests, large datasets, and high-concurrency workloads.
● Adept at AI Coding assistants, leveraging them beyond prompting. Working experience in Skill and tool development and usage in AI Coding tools.
● Experience with AWS EC2, Redshift, RDS, S3
Role:Java Developer
Job Description: We are looking for a talented and motivated Software Engineer with expertise in both Windows and Linux operating systems and solid experience in Java technologies. The ideal candidate should be proficient in data structures and algorithms, as well as frameworks like Spring MVC, Spring Boot, and Hibernate. Hands-on experience working with MySQL databases is also essential for this role.
Responsibilities:
● Design, develop, test, and maintain software applications using Java technologies.
● Implement robust solutions using Spring MVC, Spring Boot, and Hibernate frameworks.
● Develop and optimize database operations with MySQL.
● Analyze and solve complex problems by applying knowledge of data structures and algorithms.
● Work with both Windows and Linux environments to develop and deploy solutions.
● Collaborate with cross-functional teams to deliver high-quality products on time.
● Ensure application security, performance, and scalability.
● Maintain thorough documentation of technical solutions and processes.
● Debug, troubleshoot, and upgrade legacy systems when required.
Requirements:
● Operating Systems: Expertise in Windows and Linux environments.
● Programming Languages & Technologies: Strong knowledge of Java (Core Java, Java 8+).
● Frameworks: Proficiency in Spring MVC, Spring Boot, and Hibernate. ● Algorithms and Data Structures: Good understanding and practical application of DSA concepts.
● Databases: Experience with MySQL – writing queries, stored procedures, and performance tuning.
● Version Control Systems: Experience with tools like Git.
● Deployment: Knowledge of CI/CD pipelines and tools such as Jenkins, Docker (optional
Required Skills:
- Experience in Node.js Frameworks
- Hands-on experience with MongoDB
- Strong proficiency with JavaScript, Socket IO, ExpressJS & SailsJS
- Experience working with third-party developer tools, including documentation, APIs, and SDKs
- Good Grasp of Asynchronous Programming and Its Workarounds
- Database Schema design for Business Processes
- Working Knowledge of JWT-based passport Authentication
- Can Write and Refactor Efficient Codes
- Experience in Implementing Data Protection
- Must have demonstrated the ability to deliver high-quality products on time
- Knowledge of GIT, SVN technology
Job Description
JD - Python Developer
Responsibilities
- Design and implement software features based on requirements
- Architect new features for products or tools
- Articulate and document designs as needed
- Prepare and present technical training
- Provide estimates and status for development tasks
- Work effectively in a highly collaborative and iterative development process
- Work effectively with the Product, QA, and DevOps team.
- Troubleshoot issues and correct defects when required
- Build unit and integration tests that assure correct behavior and increase the maintainability of the code base
- Apply dev-ops and automation as needed
- Commit to continuous learning and enhancement of skills and product knowledge
Required Qualifications
- Minimum of 5 years of relevant experience in development and design
- Proficiency in Python and extensive knowledge of the associated libraries Extensive experience with Python data science libraries: TensorFlow, NumPy, SciPy, Pandas, etc.
- Strong skills in producing visuals with algorithm results
- Strong SQL and working knowledge of Microsoft SQL Server and other data storage technologies
- Strong web development skills Advance knowledge with ORM and data access patterns
- Experienced working using Scrum and Agile methodologies
- Excellent debugging and troubleshooting skills
- Deep knowledge of DevOps practices and cloud services
- Strong collaboration and verbal and written communication skills
- Self-starter, detail-oriented, organized, and thorough
- Strong interpersonal skills and a team-oriented mindset
- Fast learner and creative capacity for developing innovative solutions to complex problems
Skills
PYTHON, SQL, TensorFlow, NumPy, SciPy, Pandas
Requirements:
- Have Strong knowledge of cloud technologies like (AWS/GCP/Azure).
- Strong in any Backend language like Java-Springboot(preferred), Python, ROR, NodeJs, GO etc.
- Have a working experience with any frontend technology.
- Strong system design experience in cloud-native products.
- Understands and knows how to work with GIT.
- Able to develop or implement HLD into LLD and vice versa.
- Strong knowledge of SQL/NoSQL database.
- Strong on DSA.
- Has previously built and delivered end-to-end products preferably with any FinTech startup.
- Someone very motivated and loves taking ownership of building an end-to-end application
Perks:
> Fully-remote
> Flexible work hours
> You could be our first Director/VP of technology
> Founding Team role
> ESOPs
Loyalty Juggernaut, Inc. (LJI) is a next-generation loyalty and customer engagement solutions enterprise, helping brands re-imagine their loyalty initiatives in #theageofdigitalconsumer.
Headquartered in the Silicon Valley with R & D and Professional Services presence in Hyderabad, India and Distribution offices globally. LJI is founded by customer relationship management experts with decades of experience in delivering world-class technology innovations in CRM, Loyalty, AdTech and consulting for leading global brands across industries.
LJI delivers GRAVTY – transformational digital platform for loyalty and customer engagement built on Big Data, Micro-services based, Serverless Architecture, AI/ML delivered on the Cloud to help brands execute innovative strategies aimed at attracting, acquiring, rewarding, recognizing, engaging, and leveraging customers in order to maximize revenue, profitability and customer lifetime value.
Visit us at http://www.lji.io/">www.lji.io
LJI is inviting applications for the position of Product Engineer in our R&D Team
YOUR RESPONSIBILITIES
As a Product Engineer in R&D team, you will be responsible for end-end Software development life-cycle involving Technical design, implementation, deployment, and support. You will
- Work actively with Product Specialists, Business Analysts and other stakeholders on the development of cutting-edge product features
- Partner with Customer Success teams to review and implement business requirements
- Build high-quality innovative and reusable code - design and implement new features in cooperation with the enterprise architect
- Conduct software analysis, programming, testing and debugging
- Ensure designs are in compliance with specifications
- Identify production and non-production application issues and support them
OUR TECH STACK
- Java(SpringBoot)
- Python(Django)
- PostgreSQL
- REST, WebServices
- Angular, Javascript, HTML
- Jenkins, Maven, Git, Ansible
- AWS
YOUR PROFILE
- B.Tech or M.Tech in CSE/IT OR MCA/BCA
- Strong programming skills
- Analytical mind and problem-solving aptitude
- Excellent communication skills
- Attention to detail
OUR OFFERING
- Opportunity to Innovate with and Learn from a World-class technology team
- Dabble into the future of technology - Enterprise Cloud Computing, Blockchain, Machine Learning and AI, Mobile, Digital Wallets, and much more...
- Grow with a fast growing company with global presence and recognition
- Understands detailed requirements and demonstrates excellent problem solving skills
- Deep understanding of software engineering practices, Design Patterns, Data Structures, Algorithms
- Excellent programming skills in ROR, Golang, NodeJS, Python or Java
- Strong communication skills
- Strong sense of ownership, drive and ability to deliver results
- 2+ years of experience in product driven organization
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.

- Has 3+ years WordPress experience & a thorough understanding of WordPress development standards and best practices.
- Has had exposure to developing, implementing, testing, and troubleshooting large scale websites and or applications built using Wordpress
- Has some experience in developing and integrating extensions in Wordpress
- Has experience with popular frameworks involving HTML5, CSS3, JavaScript, jQuery, MySQL, Firebase.
- Has a proficient knowledge of PHP, HTML, CSS, and Javascript
- Has strong debugging and problem-solving skills
- Has an ability to work with existing code and build upon it
- Has excellent communication skills, both verbal and written
- Must be imaginative and keep a finger on the latest trends and design directions
- Can convert Adobe Illustrator and Photoshop mockups to themes for the website
- Has working experience with source control (e.g. Git)
- Has experience in WordPress Page builder - elementor is a great advantage!
- Understands what to build optimize for speed and scalability
- Has 3+ years WordPress experience & a thorough understanding of WordPress development standards and best practices.
- Has had exposure to developing, implementing, testing, and troubleshooting large scale websites and or applications built using Wordpress
- Has some experience in developing and integrating extensions in Wordpress
- Has experience with popular frameworks involving HTML5, CSS3, JavaScript, jQuery, MySQL, Firebase.
- Has a proficient knowledge of PHP, HTML, CSS, and Javascript
- Has strong debugging and problem-solving skills
- Has an ability to work with existing code and build upon it
- Has excellent communication skills, both verbal and written
- Must be imaginative and keep a finger on the latest trends and design directions
- Can convert Adobe Illustrator and Photoshop mockups to themes for the website
- Has working experience with source control (e.g. Git)
- Has experience in WordPress Page builder - elementor is a great advantage!
- Understands what to build optimize for speed and scalability









