Java Developer - Tech Lead level

Job Description:

Required Skills

• Experience-4+ years
• Strong backend engineering fundamentals.
• Good understanding of system design concepts for scalable and reliable applications.
• Hands-on experience with at least one backend language such as Golang, Node.js, Java, Rust, Python, or similar.
• Strong understanding of REST APIs, service design, authentication, authorization, and API security.
• Good knowledge of database design, indexing, query optimisation, transactions, and data consistency.
• Experience with SQL databases such as PostgreSQL, MySQL, or similar.
• Understanding of NoSQL databases, caching systems, and when to use them.
• Experience working with Redis or similar caching technologies.
• Understanding of message queues, event-driven architecture, asynchronous processing, and background jobs.
• Ability to reason about memory management, garbage collection, concurrency, and runtime behaviour.
• Experience debugging performance issues in backend systems.
• Good understanding of high TPS systems, load testing, horizontal scaling, and bottleneck analysis.
• Familiarity with containerisation using Docker.
• Working understanding of Kubernetes-based deployments, preferably EKS.
• Understanding of CI/CD pipelines and cloud deployment practices.
• Good communication skills and ability to explain technical decisions clearly.

Good to Have Skills

• Experience with microservices architecture.
• Experience with AWS services, especially EKS, RDS, SQS, CloudWatch, ElastiCache, API Gateway, or Lambda.
• Understanding observability tools such as Prometheus, Grafana, Loki, Tempo, Open Telemetry, or similar.
• Experience with distributed tracing and production monitoring.
• Experience with event streaming platforms such as Kafka.
• Knowledge of security best practices around JWT, OAuth2, RBAC, secrets management, and secure API design.
• Experience designing systems for high availability and fault tolerance.
• Exposure to infrastructure-as-code tools such as Terraform or CloudFormation.
• Experience mentoring junior engineers or reviewing technical designs.

Role: React Native Lead

Exp: 5-9 Years

CTC: up to 30 LPA

Location: Bangalroe

Job Description:  

• Job involves working on latest technologies and frameworks in mobile and open source world to develop mobile applications, mobile web sites and rich internet applications.  

• Candidate should be Collaborative and Quality-focused, resourceful initiative taker, and someone who has good English communication skills.  

Desired Candidate Profile:  

• Work as part of a team to build React Native iOS / Android applications for clients.  

• Architect, build and maintain excellent React Native applications with clean code.  

• Experience with React Js, React Native, JavaScript  

• Implement pixel perfect UI's that match designs.  

• Implement clean, modern, smooth animations and transitions that provide an excellent user 

experience.  

• Familiarity with RESTful API.  

• Release applications to IOS and Google Play stores.  

Experience/skills required

Key Qualifications

• Developer Role:
• Preferably Java 
• CI/CD - DevOps (Exposure)
• Messaging Middleware (Exposure to Kafka or any other messaging middleware)
• DB: Oracle (pref) - any other Database platforms (SQL/NoSQL)
• Server Side: Java, Spring boot Microservices
• Exposure to Any Major Cloud Platform (AWS/Azure/GCP)

About Klevu:

Klevu is a discovery experience suite that revolutionises online shopping. It provides a range of SaaS based solutions, that are deep rooted in AI-ML technology and delivered via cloud for online retailers. Klevu is a global Finnish company that prides in diversity, great team, excellent partner network and global customer footprint. Learn more from www.klevu.com

Experience: 5+ years

Location: Ahmedabad, Gujarat

Responsibilities:

• Build, scale and maintain various services on the Klevu platform
• Design and develop solutions for business needs on the Klevu platform

Must have skills:

• 4+ years on experience with Java
• Experience in Web application development on Spring framework
• Experience working with database technologies – RDBMS or NoSQL
• Ability to communicate effectively within and outside the engineering team
• Familiar with agile software development process

Nice to haves:

• Experience in Hibernate, MySql, Redis, ActiveMQ or Kafka
• Experience in UI Frameworks like Jquery, React, Angular or equivalent
• Experience in REST API development
• Experience in debugging issues and checking production logs
• Experience working in eCommerce and/or SAAS startups
• Experience working with microservices architecture

What we offer:

• Being part of one of the most exciting search technology company from Nordics with global footprints
• Work with a team in 3 continents (North America, Europe, Asia)
• Excellent work culture, hands-on, result oriented
• Good salary and flexible hours

Key Responsibilities: 

• Rewrite existing APIs in NodeJS. 
• Remodel the APIs into Micro services-based architecture. 
• Implement a caching layer wherever possible. 
• Optimize the API for high performance and scalability. 
• Write unit tests for API Testing.
• Automate the code testing and deployment process.

Skills Required: 

• At least 2.5 years of experience developing Backends using NodeJS — should be well versed with its asynchronous nature & event loop, and know its quirks and workarounds. 
• Excellent hands-on experience using MySQL or any other SQL Database. 
• Good knowledge of MongoDB or any other NoSQL Database. 
• Good knowledge of Redis, its data types, and their use cases. 
• Experience with graph-based databases like GraphQL and Neo4j. 
• Experience developing and deploying REST APIs. 
• Good knowledge of Unit Testing and available Test Frameworks. 
• Good understanding of advanced JS libraries and frameworks. 
• Experience with Web sockets, Service Workers, and Web Push Notifications. 
• Familiar with NodeJS profiling tools. 
• Proficient understanding of code versioning tools such as Git. 
• Good knowledge of creating and maintaining DevOps infrastructure on cloud platforms. 
• Should be a fast learner and a go-getter — without any fear of trying out new things Preferences. 
• Experience building a large scale social or location-base

Job Location: New Delhi

What you’ll do:

• Contribute to all phases of the Software development lifecycle

• Write well-designed testable, efficient code and complex code with Data Structure & Algorithms.

• Ensure designs are in compliance with specifications on Java and RestAPI.

• Prepare and produce releases of software component

• Support continuous improvement by investigating alternatives and technologies and presenting these for architectural review

• A Developer whose job includes writing complex code, testing, and fixing bugs.

• Maintain, design the database and organize collected information.

• A specialized programmer who focuses on multiple types of development.

What you’ll bring:

• 2 year to 5 years of proven hands-on Software Development experience.

• Strong experience in Java programming

• Expertise Knowledge of Data structures and Algorithms

• Proven working experience in a product-based organization (preferred)

• Understanding with Java frameworks Spring boot, Microservices and ORM frameworks.

• Must have the experience to design and build scalable REST APIs.

• Object-oriented analysis and design using common design patterns.

Please find the JD details below.

Tech Stack Expected: Java 8/11, Spring Boot,  Spring Cloud, JUnit/Mockito, MySQL, Kafka, Avro, git, Jenkins, PCF, DDD/BDD/TDD.

• We are looking for candidates with strong programming experience of more than 3 years and deep knowledge on data structure and algorithms.
• Need strong in Spring Cloud
• Strong experience in Microservices
• DS and Algorithms: looking for problem solving skills. Who can Optimize code
• PCF: Manage the pipeline by Developer. Dev need to own it.
• Fundamental knowledge on Docker and Kubernetes will be helpful. Know how on Scale up and down etc...
• Secure coding practices
• Nice to have Pair programming experience: