Principal Engineer at Olacabs.com · Bengaluru (Bangalore) · 8 - 13 years · ₹25L - ₹60L / yr · Posted 4 Mar 2021
the core library/language constructs.
• Knowledge of processor, memory, network and storage internals. Familiarity with I/O optimized
algorithms.
• Deep understanding of distributed systems including fault modeling, concurrency, isolation,
consensus etc.
• Internals of a RDBMS like MySQL
• Conversant with the internals of systems like Kafka, Cassandra/Scylla, Redis, RocksDB etc
• Working knowledge of hosting and network infrastructure (K8s, Envoy, etc)
• Familiarity with binary serialization protocols like thrift/protobuf/flatbuffers etc
• Familiar with gRPC, HTTP/2, QUIC, etc.
• Troubleshooting memory issues, GC tuning, resource leaks etc.
• Strong problem-solving skills, algorithmic skills and data structures.
• Productionizing machine learning pipelines using Spark/Flink/TensorFlow etc
• Familiarity with big data concepts - HDFS, hive, presto, spark, oozie, ambari, airflow, atlas,
ranger, etc. Familiarity with formats like avro, parquet, orc, arrow etc
• Good understanding of branching, build, deployment, continuous integration methodologies
• Experience in leading a team and mentoring engineers
• Attitude to get Stuff Done!
• Ability to make decisions independently.
Desired Background:
• Bachelor’s or Master’s degree in Engineering from premier institutes preferred
• 8+ years of experience in software design, development & architecture

About Olacabs.com
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- Develop, enhance, and maintain Java-based applications using Spring Boot and related frameworks.
- Design, implement, and optimize Microservices with RESTful APIs.
- Build and manage Spring Batch jobs, including scheduling, chunk processing, partitioning, and error handling.
- Apply object-oriented design (OOD) and GoF design patterns (Factory, Singleton, Strategy, Observer, etc.).
- Write clean, maintainable, and scalable code following best coding standards.
- Integrate applications with databases (SQL/NoSQL) and messaging systems (Kafka/RabbitMQ).
- Participate in code reviews, technical discussions, and architectural decisions.
- Troubleshoot production issues and ensure application performance, scalability, and reliability.
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Technical Skills Required
- ** Core Java 8+**, OOP, Collections, Multithreading
- ** Spring Boot**, Spring MVC, Spring Data JPA
- ** Spring Batch** (Job/Step configuration, Tasklets, Readers/Writers, partitioning)
- ** Microservices** (REST, API Gateway, service discovery, resilience patterns)
- ** Design Patterns** (Factory, Singleton, Adapter, Strategy, Builder, Observer, etc.)
- ** Databases:** MySQL/PostgreSQL/Oracle, MongoDB (optional)
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CORE PHP (ERP/ CRM / HRMS EXPERTISE)
Looking for smart candidates who are highly resourceful and innovative in Developing ERP Applications
Must have, working experience in ERP Applications like Finance, Examinations, Fees, Admission, LMS, Lead generation, HR with Leave, and Payroll Management.
JOB REQUIREMENTS
- MIN 4-6 years of experience in CORE PHP,LARAVEL & NODEJS
- Automating the system processes and developing the software products.
- Must be passionate to develop applications in PHP/MY SQL.
- Proficient in ajax ERP product development, PHP, MYSQL, database design, life cycle.
- Should be a quick learner and hardworking
JOB RESPONSIBILITY
- Build, identify and refactor quality features.
- Work productively with the team and feedback as required.
- Involve in a complete System Development Life Cycle.
- Developing ERP Applications and Software Products using Core Object-Oriented using PHP,MYSQL, AJAX, Angular 5
- Establish priorities, set objectives, and provide guidance.
- Align properly with the product owners and managers
- Contribute to developing an amazing team.
INTERVIEW PROCESS
Round 1
1. Introduction
2. MySQL-based questions
Round 2
Technical Round Details:
- We'll share an assignment during the Zoom meeting.
- You'll have 2-3 hours to complete the task based on the provided instructions and documents.
- After completion, our technical team will review your work.
QUALIFICATION
- B.Tech / B.E. Computers OR Diploma
WHATS' IN IT FOR YOU
We offer competitive salaries based on prevailing market rates. In addition to your introductory package, you can expect to receive the following benefits:
- Permanent WFH
- Learning and development opportunities
- PF benefits over and above the salaries
Benefit-Permanently Work from Home
Job Type: Full-time
Pay: 3LPA-6LPA Depend On Experience
Schedule:
- Day Shift (MONDAY-SATURDAY WORKING)
- Fluency in Hindi is Mandatory
- SCREEN SHARING IS MANDATORY DURING WORKING HOURS
Key Skills & Requirements
- Strong proficiency in Java 11 and above
- Hands-on expertise in Spring Boot and Microservices Architecture
- Strong Programming, Analytical, and Problem-Solving skills
- Proficiency with NoSQL Databases (MongoDB, Cosmos DB) and RDBMS (SQL/Oracle/Postgres)
- Experience with Messaging Queues (RabbitMQ/Kafka)
- Good understanding of Functional and Domain knowledge
- Expertise in Project Architecture & Data Flows
- Proficient in CI/CD tools (Jenkins or equivalent)
- Strong experience with Testing Frameworks: JUnit, Mockito, Cucumber, BDD
- Basic knowledge of Cloud Platforms (Azure / AWS)
- Familiarity with Project Management Tools – JIRA, Confluence, ServiceNow
- Monitoring tools knowledge like New Relic, Splunk, Nagios (good to have)
Responsibilities
- Design, develop, and maintain scalable backend applications using Java 11+ and Spring Boot
- Build and manage microservices-based solutions ensuring high performance and low latency
- Collaborate with cross-functional teams to define, design, and ship new features
- Implement best practices for CI/CD pipelines and automate deployment workflows
- Ensure code quality through unit testing, integration testing, and BDD practices
- Work with databases (SQL/NoSQL) for data modeling and optimization
- Monitor, troubleshoot, and enhance system performance using tools like Splunk, New Relic, Nagios
- Provide technical guidance and mentorship to team members
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- Add new features to existing Windows and Web-based applications in Visual Studio 2019. Interacting with internal team.
- Transform business and design needs into innovative products.
- Drive all projects to completion within deadlines.
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- Engineering software needs more precise analysis & coding skillset.
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Qualifications :
- B.E in computer science or related fields.
- Excellent programming & communication skills Strong problem solving, judgmental, and decision-making skills.
- Ability to work at the tactical and strategic levels of IT initiatives.
- Impressive hands-on experience in Java, database(Oracle), OOPS, Java Swing, Javafx
- Self-Motivated, flexible & Innovative.
Job Title: Java Team Lead
Experience: 4.5 to 8 years
Notice Period: Up to 30days (Negotiable)
Job Description :
- Experience in Java/J2EE technologies - design development of high-volume, high-performance, high-availability, service-oriented applications
- Design and govern the reusable accelerators, design patterns and reusable technical components (e.g. error handling, logging etc.)
- Strong knowledge in developing scalable web applications using Spring Boot with JDBC, JPA, Security, RESTful Web Services
- Experience in front end development using HTML5, JQuery, React JS or Angular
- Research and implement new tools, frameworks and patterns to build a hybrid cloud applications
- Strong knowledge in Database – MySQL / PostgreSQL
- Knowledge of deploying applications in Ubuntu on Cloud Infrastructure
- Knowledge of Docker and Kubernetes for automatic application deployment will be an added advantage
- Lead a team and provide technical knowledge to team members during development
Roles & Responsibilities
- Understand the Requirement
- Convert them into Document
- Deliver the Work Product (software components / modules) with Quality
- High level design & Defining Architecture
- Following Coding best practices
The product business has witnessed tremendous growth in last few years with a client base in almost all industries and a footprint across continents. A large credit for the same goes to our young, agile and highly talented engineering team which is continuously adding new features and driving innovations in terms of adopting latest technology best practices and making the product more scalable and stable.
In order to meet the expectations of our rapidly growing client base, we are looking for experienced geeks who will be part of the current product engineering team and help in making the products more scalable by implementing most advanced technologies. We are looking for people with keen interest and demonstrated expertise in Java development, clear focus on working in a product setup, and willingness to work in a start-up environment. With strong entrepreneurial culture at Channelplay and focus on performance-based growth, in terms of financials and career, it's a great opportunity for high performers.
For more details, you can also visit our website on: http://www.channelplay.in/
What's there for you :
- Competitive remuneration
- Quarterly incentive
- Great culture with friendly work environment
- Opportunity to work in AWS Technologies
- Opportunity to get AWS Certified.
Required Skills :
- Core Java (Mandatory)
- Spring boot (Mandatory)
- My SQL (Mandatory)
- Angular (Preferred)
- AWS Technology (Preferred)
- NoSQL - MongoDB (Preferred)
- Open sources - Redis/ Memcached/ RabbitMQ/ Kafka/ ELK (Preferred)
- Git (Preferred).
Roles & Responsibilities :
- Developing software solutions by studying information needs; conferring with users; studying systems flow, data usage, and work processes; investigating problem areas; following the software development lifecycle.
- Determining operational feasibility by evaluating analysis, problem definition, requirements, solution development, and proposed solutions.
- Improving effectiveness and efficiency of the existing solutions by conducting systems analysis and recommending changes.
- Learning new and advanced technologies proactively and leading initiatives to implement those technologies in a collaborative manner.
- Acquiring new skills by studying state-of-the-art development tools and programming techniques, and sharing the knowledge with the team.
Roles and Responsibilities:
6+ Experience in Node.js, React Js
excellent written and verbal communication skill
- Healthy team and relationship building skills
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- Experience in JavaScript, OOP Patterns, ES6, HTML, CSS, LESS
- Experience with MS Sql Server, Mongo DB
- Experience with SSO, SAML, OAuth, JWT for API and Web Session Authentication and Authorization
- Experience with Azure Devops platform will be an added advantage
- Experience with test and/or process automation, source control
- Possess solid debugging process and exhibit technical intuition
What you bring to the table
- Education: Bachelor's degree in IT, computer science or related
- Experience: 5-9 years of relevant experience for SSE role
- Exposure to microservices, API management tools like Swagger
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- Proficient in application log analysis.
- Experience Java/JEE Development - especially EJB 2.1 / 3.0, JDBC
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- Knowledge of build tools such as Maven or Gradle and of continuous integration tools such as Jenkins, Nexus
- Basic knowledge of web services (SOAP or REST) and web technologies (HTML, CSS, JS)
- Basic knowledge of containers like Dockers, basic knowledge of cloud infrastructure
- Ability to interact and coordinate with employees at different levels, different groups, and different geographical locations within the company
- Ability to support multiple existing applications as well as work on building new ones
- Ability to provide accurate project estimates and make recommendations on specific technologies to use based on business requirements
- Good verbal and written Communication.
- Readiness for short term Domestic and International Travels
Preferred
- Industry knowledge with respect to payments systems and processing in the Debit/Credit and Account based payments (EFT Switching) from different channels like POS, ATM or ecommerce, Card Management System and Real Time Payment Systems.
- Exposure to the Interchange Interfaces like Visa Net, MasterCard, BankNet
- Exposure to Interchange Simulators and Mandates Management.










