1. Work experience between 3 years to 9 years in building large scale high user traffic consumer facing applications with desire to work in a fast paced startup.
2. Knowledge on reactive and asynchronous programming is preferable. If you have worked with coroutines, goroutines, high concurrency or optimized number of threads for processing on your backend server you could be a good fit.
3. Extremely proficient at writing performant, scalable and production ready code in Kotlin, Java (8 or above, comfortable with concepts like lambda, streams, multithreading etc), Elixir, Rust, or Golang. Should be familiar with static code analysis, code coverage and code reviews.
4. Experience with NoSQL DBs like MongoDB, Cassandra, Redis or Aerospike is required. Knowledge of graph DBs like Neo4j is preferred.
5. Strong in algorithms, problem solving and data structures.
6. Knowledge of TDD and experience with building applications integrated with CI-CD pipelines (automated build, tests and deployments).
7. Exposure to micro-services with good understanding of containers, kubernetes, logging, alerting and monitoring. Inter services communication. Should know how to handle multiple versions of APIs.

About Koo App
About
Connect with the team
Similar jobs
Job Role: Python Developer
Experience: 6 to 10 Years
Location: Bangalore
Responsibilities:
- Develop, test, and deploy Python applications.
- Build and maintain front-end components using JavaScript, jQuery, HTML, and CSS.
- Collaborate with teams to implement new features and optimize systems.
- Ensure code quality, security, and performance.
Required Skills:
- Strong Python experience (Django, Flask, or FastAPI).
- Proficiency in JavaScript, jQuery, HTML, CSS.
- Experience with relational databases (PostgreSQL, MySQL) and Git.
- Strong problem-solving and communication skills.
- Bonus: RESTful APIs, AWS/Azure, CI/CD pipelines.
Job DescriptionWe are seeking an experienced HubSpot CRM Developer to join our team. The ideal candidate will have a strong background in HubSpot development, integrations, and dashboard creation while working with cross-functional teams to optimize CRM functionality.
Key Responsibilities:● Develop, customize, and optimize HubSpot CRM to meet business needs.
● Integrate HubSpot with other technologies and external business intelligence tools like Power BI and Tableau.
● Build and maintain dashboards and reports to support marketing, sales, operations, and finance teams.
● Work with backend technologies (PHP, Python, Node.js, etc.) to implement integrations and automation.
● High proficiency in JavaScript.
● Develop and maintain scripts in any suitable scripting language to support CRM functionality.
● Ensure seamless data flow and synchronization between HubSpot and external platforms.
● Collaborate with multiple teams to understand data requirements and optimize CRM processes.
Requirements:● 7-10 years of relevant experience in HubSpot development and integration.
● Strong expertise in backend development using any PHP, Python, or Node.js.
● High proficiency in JavaScript and any scripting languages.
● Experience in HubSpot API integration with other platforms.
● Proficiency in dashboard and reporting tools like Power BI and Tableau.
● Ability to work independently (IC role) while collaborating with cross-functional teams.
● Must have experience in handling end-to-end projects from scratch.
● Exposure to multiple industries/domains is preferred (not limited to a single company for 5-10 years).
BlackLight Gaming is looking for a top-notch, ambitious and driven Node. js developer who is confident of creating, maintaining and further optimising highly scalable backend supporting our multiplayer mobile games which are played by millions of players. If you're hard-working, enthusiastic, dedicated, have fire in the belly to accept challenges, then BlackLight Games is the place for you.
What You Bring to the team:
- More than 3+ years of experience developing serverless applications using public cloud like Google Cloud/ AWS
- Knowledge of Node. js and frameworks available for it.
- Strong proficiency with JavaScript
- Understanding the nature of asynchronous programming and its quirks and workarounds.
- Distributed system development with an understanding of latency, scalability, scheduling, asynchronous programming, and reliability
- Understanding fundamental design principles behind a scalable application
- Experience with services common to serverless architectures, like: AWS Lambda, DynamoDB, IAM, Firebase Real Time Database, Google Cloud SQL, Cloud Tasks. It’s a bonus if you have worked on Google Cloud Project and Firebase.
- Solid Experience with NoSQL and SQL databases is required with proven experience of creating database schemas that represent and support business processes.
- Integration of multiple data sources and databases into one system.
- Experience with deploying, maintaining, debugging live systems, and end-to-end testing and analysis
- Experienced in creating micro-services based architectures, reusable components
- Experience building REST APIs and other common application architectures on the above services
- Experience building data processing pipelines
- Solid understanding of code, design, and development practices
- General comfort in exploring, assessing, and learning new frameworks
- High levels of integrity and professionalism, and an ability to channel maximum amounts of energy into the role delivering premium customer service at all times
- Adhere to different Project Management methodologies (Agile etc) and leverage different CI/CD tools
Extra Gems for:
- Google, AWS and/or Industry certifications.
- Familiarity with object storage such as AWS S3, Firebase Storage, in-memory caches such as Redis
- Demonstrated performance of threat modeling, risk assessment techniques, code reviews in the context of DevSecOps security
- Knowledge of Application Monitoring using tools like Google Stackdriver
- Broad familiarity with other languages like J2EE, Python as we write some code in these as well.
- Experience with Github and advanced Github features.
- Experience of working in Product industry
- Open source contributions, interesting hobby projects.
Why Us?
- High Growth Startup environment
- Company sponsored courses and education material
- Lots of learning opportunities
- Work with a super-talented team of professionals
- Informal work-culture, Casual Dress Code, multiple outings and trips
- Performance Based Bonus
- Competitive Salary
- Medical Insurance for you and your family
- Subsidies Lunch and Unlimited Snacks, Tea & Coffee in the house at all time
- Strong Core Java
- Good in Swing
- Good team leading experience
- Good communication
- Looking for a highly capable Node.js developer to optimize our web-based application performance.
- Developing and maintaining all server-side network components.
- Ensuring optimal performance of the central database and responsiveness to front-end requests.
- Designing customer-facing UI and back-end services for various business processes.
- Qualification: Bachelor's degree in computer science, information science, or similar.
- Should have 4 years' experience as a node js developer.
- Extensive knowledge of JavaScript, web stacks, libraries, and frameworks.
- Knowledge of front-end technologies such as HTML5 and CSS3.
- Superb interpersonal, communication, and collaboration skills.
- Exceptional analytical and problem-solving aptitude.
- Great organizational and time management skills.
- Salary is negotiable for right fit.
- Develop scalable, secured, and efficient backend for the website, mobile app, and browser extension.
- Integration of user-facing elements developed by front-end developers
- Solve complex performance problems and architectural challenges
- Ensure HTML, CSS, and shared JavaScript is valid and consistent across related applications
- API development for mobile app, browser extension, web
- Design and maintain a database
- Develop components of the database such as storage, queries, and triggers
- Create reusable, effective, and scalable PHP code
- Implement security and data protection measures
- Integration of payment gateway, third-party services via API
- Source code management using bit bucket/git
- Using/creating packages for reusability across the products
- Integration of multiple data sources and databases into one system
At Kyt, we are building an online-first, global academy focused on extracurricular learning for kids. Our mission is to ensure that every kid around the world gets access to holistic education while being able to learn using content, tools and technologies that teaches them concepts - some even better than offline. Bringing in technology as a differentiator to teach kids concepts and help them practice is key to our product development path.
- Experience of 6+ years across product based companies
- Should have worked on building B2C products. Having experience in building edtech products would be a major plus.
- Should be an avid programmer with great problem solving skills.
- Should have a great grasp over NodeJs/Typescript/ AWS microservices
- Should have experience in building scalable server-side systems. Should have significant experience in cloud infrastructure and designing databases.
- Should have knowledge of software architecture, system thinking and design patterns.










