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 Title : Node.js Developer / Backend Developer
Experience : 4+ Years
Job Location : Mumbai – Andheri
Work Mode : Work From Office (5 Days a Week)
Job Type : Full-time Opportunity
Role Overview :
We are seeking an experienced Node.js / Backend Developer to design, develop, and maintain scalable backend systems.
The ideal candidate will have strong hands-on experience with Node.js, Nest.js, relational and NoSQL databases, and AWS cloud services.
You will work closely with frontend developers, DevOps, and product teams to deliver secure, high-performance, and reliable backend solutions.
Mandatory Skills : Node.js, Nest.js, MongoDB, PostgreSQL, AWS, REST API development, strong backend fundamentals.
Key Responsibilities :
• Design, develop, and maintain scalable backend applications using Node.js & Nest.js
• Build and manage RESTful APIs and backend services
• Work with MongoDB and PostgreSQL for efficient data storage and retrieval
• Develop cloud-ready applications and deploy them on AWS
• Ensure application performance, security, and scalability
• Write clean, well-documented, and maintainable code
• Participate in code reviews and follow best engineering practices
• Troubleshoot, debug, and optimize existing applications
• Collaborate with cross-functional teams for end-to-end delivery
Required Skills & Qualifications :
• 4+ years of experience in Backend / Node.js development
• Strong hands-on experience with Node.js and Nest.js
• Experience working with MongoDB and PostgreSQL
• Good understanding of AWS services (EC2, S3, RDS, etc.)
• Experience building RESTful APIs
• Understanding of backend architecture, design patterns, and best practices
• Strong problem-solving and debugging skills
• Familiarity with version control systems (Git)
Good-to-Have Skills :
• Experience with microservices architecture
• Knowledge of Docker and CI/CD pipelines
• Exposure to message queues or event-driven systems
• Basic understanding of frontend-backend integration
Roles and Responsibility
- Design, develop, and test software applications using Golang.
- Collaborate with the development team to identify and prioritize project requirements.
- Develop high-quality, efficient, and well-documented code.
- Participate in code reviews and contribute to improving overall code quality.
- Troubleshoot and resolve technical issues efficiently.
- Stay updated with industry trends and emerging technologies to enhance skills and knowledge.
Job Requirements
- Proficiency in Golang programming language.
- Experience with IT Services Consulting projects.
- Strong understanding of software development principles and methodologies.
- Excellent problem-solving skills and attention to detail.
- Ability to work collaboratively in a team environment.
- Strong communication and interpersonal skills.
We are searching for a Laravel developer to build web applications for our company. In this role, you will design and create projects using the Laravel framework and PHP, and assist the team in delivering high-quality web applications, services, and tools for our business.
- Designing and building web applications using Laravel.
- Troubleshooting issues in the implementation and debugging of builds.
- Working with front-end and back-end developers on projects.
- Testing functionality for users and the backend.
- Ensuring that integrations run smoothly.
- Scaling projects based on client feedback.
- Recording and reporting on work done in Laravel.
- Maintaining web-based applications.
What do we require for this role?
- Able to understand project requirements and handle projects independently.
- Strong learning capability.
- Contribute to all phases of the development.
- Knowledge of PHP/CodeIgniter will be preferred.
- Basic Knowledge of JavaScript and Web Services.
- Sound knowledge of PHP, MySQL, jQuery, etc.
Sr. Backend Engineer - (Django & Python)
Must have Crypto/Blockchain Experience.
CoinCROWD is an innovative Fintech company. We offer a crypto platform for seamless payments, Crypto Vouchers, crypto trading, portfolio management, real time market data, breaking news and powerful analytics.
Website: https://coincrowd.com/
Domain : Finance, Blockchain, Crypto
Role : Permanent full time Employment
Job Location : Work from Home / Remote
Job Responsibilities:
- Understand project requirements, writing bug free clean code and ensure that the solution works per the agreed architecture, SLAs, KPIs and business model
- Integrate backend with third party APIs
- 100% Hands on role
- Make design decisions that contribute to maintainable systems
- Adapt to rapidly evolving requirements and changing priorities and drive the team accordingly Responsible to drive and support e-commerce project activities and ensure marketplace implementation, deepen customer engagement, satisfaction, and user engagement
- Reverse engineer for debugging errors in code and ensuring quality control in the process.
- Continually drive products towards a meaningful balance between user needs, business objectives and technical feasibility
- Documentation and reference preparation for users by writing operating instructions including changes and revisions.
Qualifications:
- Bachelor or Master Degree in Computer Science, Software Engineering from a reputed University
- 5+ years of experience with at-least 2-3 years working in the Finance domain is Plus.
- Django , Django Rest Framework, Python 3, Mysql, Elasticsearch, websockets, javascript, JIRA, Gitlab, Rest API, GCP or AWS
- Finance, Social Analytical, debugging, and troubleshooting skill with proven experience troubleshooting and fixing production bugs
- Experience in writing unit testing and test case automation.
- Ability to operate in an Agile environment with a start-up mentality and unstructured environment, Energy, drive and passion to work, and operate in a digital world.
- Excellent communication skills and ability to work with remote teams
What We Offer:
In recognition of your valuable contributions, you will receive an equity-based compensation package. Join our dynamic and innovative team in the rapidly evolving fintech industry and play a key role in shaping the future of Coincrowd's success.
Position Software Developer/Sr.Software Developer
Department Technology
Company Expedient Healthcare Marketing Pvt. Ltd
Compensation Salary as per industry
Benefits Group Medical Insurance + Term Insurance
Greetings from Healthians!
https://www.healthians.com/">Healthians is India's leading health test at home service offering a wide range of health packages. It also has the fastest growing network of state-of-the-art fully automated diagnostic laboratories and a large team of highly skilled phlebotomists who specialize in sample collection from homes.
Technological innovation has been the foundation of the brand in the industry. The Company has completely turned a customer's diagnostic experience on its head, by focusing on delivering the best service experience fulfilled through technology.
Combining the use of Algorithms, Big Data, and Artificial Intelligence, Healthians has been at the forefront in terms of adopting technology to reimagine and redefine things in the diagnostic industry.
Healthians believes in adopting technology to drive more effectiveness, accessibility and innovation to be able to radically enhance the service experience for consumers.
With the philosophy of continuous improvement at its heart, Healthians aims to adopt IoT and AI to potentially leapfrog into the future and be the flag-bearer of digitization in the healthcare industry.
What we are looking for
- Graduate/Post Graduate in Engineering or related stream of IT/Software
- Individual contributor with the ability to work as a strong team player to execute tasks assigned to the development team based on pre-defined deadlines
- Energetic, innovative, self-motivated, with critical thinking ability
- Keen to work in a fast-paced environment and willing to put in additional efforts to complete challenging tasks
Desired skills and experience
- Strong coding skills in PHP, Code Ignitor, Laravel, MySQL, SVN/Git, AJAX, JQuery
- Excellent RDBMS (MySQL) and NoSQL (MongoDB, Couchbase) database skills
- API based development knowledge is must
- Working experience of Agile and JIRA
- Exposure to AWS, Memcached, Redis, Ngnix, Elastic Search, and Solar is desired
- Good understanding of OOPs
- Experience in writing technical specifications
Team Human Resources
The key aspects of this role:
• Candidate with exceptional programming skills, problem-solving abilities and strong work
ethic.
• The candidate has to work on custom programming and web application development for
Drupal.
• Testing, maintenance and troubleshooting of existing company sites and resolving issues if
any.
• Contributing ideas and efforts towards internal projects and working as part of a team to
find solutions on various problems.
• Communicate technical ideas to business users and other teams (design, QA).
• Collaborate with team members and to work independently when needed.
• Eager to embrace current and emerging web technologies.
To be the right fit, you'll need:
• Experience of total 4+ years working on PHP and Drupal 7,8 Development (at least 2+ years
in Drupal 8)
• Strong knowledge of MySQL, jQuery, HTML5, CSS
• Experience with Drupal architecture, best practices and coding standards
• Knowledge on Views, Services etc.
• Experience in custom module and theme creation
• Familiar with sub version control systems such as Git or SVN
• Basic knowledge of environment setup for Linux distribution.
Biddano is seeking for an analytical, result driven, multi-skilled candidate for design for the position of Backend Developer. He/She will be responsible for programming languages and tools to analyze current codes and industry developments, formulate more efficient processes, solve problems and create a more seamless experience for users.
The ideal candidate will have strong personal accountability for results, strong commitment to teamwork in support of the company's success, adherence to ethical business practices, and comfort operating in a start-up environment with an ability to prioritize and drive actions to closure.
a start-up environment with an ability to prioritize and drive actions to closure.
Backend Developer
Responsibilities:
- Participate in the entire application lifecycle, focusing on coding and debugging
- Write clean code to develop functional REST APIs Using Django/Python or NodeJs
- Troubleshoot and debug applications
- Perform unit test cases to optimize performance
- Manage cutting-edge technologies to improve legacy applications
- Collaborate with Front-end developers to integrate user-facing elements with server side logic
- Gather and address technical and design requirements
- Provide training and support to internal teams
- Build reusable code and libraries for future use
- Liaise with developers, designers and system administrators to identify new features
- Follow emerging technologies
Skills Required:
- Proven work experience as a Back-end developer
- In-depth understanding of the entire web development process (design, development and deployment)
- Hands on experience with programming languages like Python (Required), typescript(Required), Java.
- Working knowledge of CMS framework
- Familiarity with back-end languages (e.g. HTML, JavaScript and CSS)
- Excellent analytical and time management skills
- Backend:
- Django/DjangoREST, Python (Prefered) or NodeJs.
- Good experience of microservices.
- Hosting and Deployment Solutions:
- Good understanding of AWS which includes(All required):
- Good expertise in Linux.
- EC2 instance management.
- Scalability (Horizontal or Vertical) which includes autoscaling.
- Proper use of S3 for static file management.
- SNS or AWS email service.
- AWS resource cost optimization.
- Proper knowledge of Load Balancers.
- Teamwork skills with a problem-solving attitude
Experience :
- Minimum 4-7 years of experience as a Backend Developer
- B.tech Computer Science, Engineering or similar relevant field












