
Job Description
- Managing the interchange of data between the server and the users.
- Development of all server-side logic, ensuring high performance and responsiveness to requests from the front-end 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.
- Writing reusable, testable, and efficient code.
- Design and implementation of low-latency, high-availability, and performant applications.
- Integration of user-facing elements developed by front-end developers with server-side logic
- Implementation of security and data protection.
Expected experience with
- Should have worked on the Django REST framework.
- Familiarity with some Pandas, Numpy, text parsing/mining and ORM (Object Relational Mapper) libraries
- Able to integrate multiple data sources and databases into one system
- Understanding of the threading limitations of Python, and multi-process architecture
- Good understanding of server-side templating languages
- Worked on Amazon cloud solutions
- Understanding of accessibility and security compliance
- Knowledge of user authentication and authorization between multiple systems, servers, and environments
- Understanding of fundamental design principles behind a scalable application
- Familiarity with event-driven programming in Python
- Able to create database schemas that represent and support business processes
- Strong unit test and debugging skills
- Proficient understanding of code versioning tool
- Excellent written and verbal communication skills.
- Should know about HDL and LLD.
- Should know about making python packages
- Should have worked on microservice-based Architecture

About Klaar
About
Klaar is an HR Tech SaaS startup that enables organizations to create a talent-first culture of continuous learning, growth, amazing leadership, and high performance. Funded by industry-leading angel investors from India and VCs from the USA, Klaar is already live in unicorns, enterprises, and other startups. We are set to disrupt the exploding HR Tech space. Globally.
We pride ourselves on having one of the best work cultures in the startup ecosystem. We are a remote-first company where we believe in freedom >> policies. You will get to work directly with the founders and be a part of the early-stage core team. This is an opportunity to build a SaaS startup from the ground up. The founders are directly involved in ensuring that the team has ample opportunities for growth and progress.
Connect with the team
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We are seeking a highly skilled Senior Java Developer with expertise in Microservices architecture and Spring Boot to join our dynamic team. The ideal candidate will be responsible for designing, developing, and deploying scalable, high-performance backend solutions.
Key Responsibilities:
- Design, develop, and maintain Java-based applications using Spring Boot and Microservices architecture.
- Develop and implement RESTful APIs and integrate them with front-end components.
- Optimize application performance and ensure high availability and scalability.
- Collaborate with cross-functional teams to gather and analyze business requirements.
- Implement security best practices, including authentication and authorization mechanisms.
- Develop and maintain unit and integration tests to ensure robust software quality.
- Work with DevOps teams to automate CI/CD pipelines and ensure smooth deployment processes.
- Monitor and troubleshoot production issues, providing efficient resolutions.
- Stay updated with emerging technologies and best practices in Java development and cloud-native applications.
Required Skills & Qualifications:
- 8+ years of hands-on experience in Java development.
- Expertise in Spring Boot, Spring MVC, Spring Cloud, and other Spring frameworks.
- Strong experience with Microservices architecture and API development.
- Proficiency in RESTful services, JSON, and Swagger/OpenAPI.
- Hands-on experience with SQL and NoSQL databases (e.g., MySQL, PostgreSQL, MongoDB, Redis).
- Familiarity with message brokers like Kafka or RabbitMQ.
- Experience with containerization (Docker, Kubernetes) and cloud platforms (AWS, Azure, or GCP).
- Solid understanding of CI/CD pipelines using Jenkins, GitLab, or similar tools.
- Strong problem-solving skills and the ability to work in an agile development environment.
- Excellent communication and teamwork skills.
Nice-to-Have:
- Experience with GraphQL and event-driven architecture.
- Knowledge of reactive programming using WebFlux.
- Familiarity with observability tools like Prometheus, Grafana, ELK stack.
Job Description:
We are looking for a skilled and enthusiastic Java Developer to join our development team. The ideal candidate should have solid experience in Java and should also be familiar with Kotlin for backend development. You’ll be responsible for designing, developing, and maintaining high-performance, scalable applications.
Key Responsibilities:
- Design, develop, and maintain efficient, reusable, and reliable Java code.
- Work on Kotlin-based backend applications as per project requirements.
- Develop RESTful APIs and backend services.
- Ensure the best possible performance, quality, and responsiveness of applications.
- Collaborate with cross-functional teams to define, design, and ship new features.
- Identify bottlenecks and bugs, and devise solutions to these problems.
- Participate in code reviews and contribute to team knowledge sharing.
Responsibilities
Solve complex performance problems and architectural challenges
Build reusable code and libraries for future use
Build efficient, testable, and reusable Node JS modules
End-to-end ownership of modules, including designing, development, validation, deployment
Specifications:
Understanding the fully synchronous behavior of NODE JS.
Familiarity with One OOPS language
Familiarity with Workers/child processes & performance tuning
Experience with SQL/NoSQL databases and their declarative query languages (MySQL, and Mongo dB)
Strong knowledge of the common NODE JS or web server exploits and their solutions
Experience -
2-6 Year Qualifications Desired Skills NodeJS, HTML, CSS, Angular/React, JavaScript, Web Application Development, SQL/NoSQL
Looking for candidates only with tier 1 colleges OR have experience in a product-based company.
Desired Skills :
● Experience with data modeling and SQL/NoSQL databases
● Experience with distributed systems and microservices
● Good experience in working with any of Java/SpringBoot, GoLang or NodeJS
● Excellent problem solving and debugging skills
● Passionate about the experience of software engineering as much as the output
● A strong sense of ownership
● Ability to communicate your ideas and approach to solving problems with clarity
Architect
Experience - 12+ yrs
About Wekan Enterprise Solutions
Wekan Enterprise Solutions is a leading Technology Consulting company and a strategic investment partner of MongoDB. We help companies drive innovation in the cloud by adopting modern technology solutions that help them achieve their performance and availability
requirements. With strong capabilities around Mobile, IOT and Cloud environments, we have an extensive track record helping Fortune 500 companies modernize their most critical legacy and on-premise applications, migrating them to the cloud and leveraging the most cutting-edge technologies.
Job Description
We are looking for passionate architects eager to be a part of our growth journey. The right candidate needs to be interested in working in high-paced and challenging environments leading technical teams, designing system architecture and reviewing peer code. Interested in
constantly upskilling, learning new technologies and expanding their domain knowledge to new industries. This candidate needs to be a team player and should be looking to help build a culture of excellence.
Do you have what it takes?
You will be working on complex data migrations, modernizing legacy applications and building new applications on the cloud for large enterprise and/or growth stage startups.
You will have the opportunity to contribute directly into mission critical projects directly interacting with business stakeholders, customer’s technical teams and MongoDB solutions Architects.
Location - Chennai or Bangalore
● Relevant experience of 12+ years building high-performance applications with at least
3+ years as an architect.
● Good problem solving skills
● Strong mentoring capabilities
● Good understanding of software development life cycle
● Strong experience in system design and architecture
● Strong focus on quality of work delivered
● Excellent verbal and written communication skills
Required Technical Skills
● Extensive hands-on experience building high-performance applications using Node.Js
(Javascript/Typescript) and .NET/ Golang / Java / Python.
● Strong experience with appropriate framework(s).
● Well versed in monolithic and microservices architecture.
● Hands-on experience with data modeling on MongoDB and any other Relational or NoSQL databases
● Experience working with 3rd party integrations ranging from authentication, cloud
services, etc.
● Hands-on experience with Kafka or RabbitMQ.
● Hands on experience with CI/CD pipelines and atleast 1 cloud provider - AWS / GCP / Azure
● Strong experience writing and maintaining clear documentation
Good to have skills:
● Experience working with frontend technologies - React.Js or Vue.Js or Angular.
● Extensive experience consulting with customers directly for defining architecture or system design.
● Technical certifications in AWS / Azure / GCP / MongoDB or other relevant technologies
Primary Responsibilities
- Architect and drive complex software performance improvement projects that mitigate the performance challenges of the product and establish new guidelines for future product features
- Work with the development team, and database administrators to analyze performance bottlenecks, make recommendations to address performance concerns, and co-design performance into new feature development
- Efficiently working with various profiling and monitoring tools to identify performance and concurrency bottlenecks, propose and implement optimizations to improve cloud product
- Review end-user usage patterns and customer logged performance defects and enhance performance test coverage based on gaps identified.
- Understand database internals, server and storage system design, application interactions with database queries and stored procedures and with other downstream systems
- Troubleshoot issues experienced by users and propose solutions
Basic Qualifications
- 8+ years of experience in implementing and driving software performance engineering projects and solutions. Advanced level experience with concurrency, multithreading, and distributed system architectures
- Experience analyzing performance bottlenecks with application code interfacing with databases using ORM Frameworks, cache layers, data storage, servers, networking, and database query protocols including developing stored procedures, SQL queries, and database applications
- Working knowledge of relational database internals (locking, consistency, replication, serialization, failover, recovery)
- Comfortable with Windows, SQL Server, .NET Framework/Core, GIT, Nuget, SPA, Modern UI Frameworks, ORM Framework NHibernate in terms of both tools and application development
- Passionate about finding software performance bottlenecks and optimizing code to produce a better customer experience
- Experience with APM (Application Performance Monitoring), RUM (Real User Monitoring), and other Dev tools used for Performance monitoring and analysis
- Experience with performance bottleneck analysis, system design for scaling
•Web frameworks: Django, Flask
•JavaScript libraries: jQuery
•Web servers: Nginx, Apache, uWSGI
•Data stores/tools: MySQL, PostgreSQL, SQLAlchemy, Redis, MongoDB, ElasticSearch
•Virtualization: AWS, VMWare, VirtualBox, Docker
•Web scraping and browser automation
•Selenium
Good to Have Skills
•ExperiencewithFrontendJavaScriptFrameworks
•Experience with third party and OAuth implementations.
•Understanding of cloud service platforms and web service infrastructure
Must Have Traits
•Self Starter
•Able to manage projects with minimal hand-holding
•Good verbal and written communication skills
•Enthusiastic, able to research and implement new technologies
•Ability to handle high-pressure situations
Experience Specifics
•Proven expertise in product development •GoodandPracticalUnderstandingofPython(2.7,3.3+)
•Hands on with Linux systems for deploying systems and applications
Looking candidated from service base or service division of any company.
Minimum Qualification:
- Hands-on working on Java ( {Language understanding - Java 8, Lambdas, Collections, popular frameworks & libraries}, JVM, GC tuning, performance tuning)
- Worked on REST frameworks/libraries like Spring MVC, Spring Boot, Dropwizard, REST Express etc
- Worked on Relational data stores viz. MySQL, Oracle or Postgres
- Worked on Non-relational data stores viz. Cassandra, HBase, Couchbase, MongoDB etc
- Worked on caching infra viz. Redis, Memcached, Aerospike, Riak etc
- Worked on Queueing infra viz. Kafka, RabbitMQ, ActiveMQ etc








