SENIOR PHP DEVELOPER

Immediate Hiring for L3 Support Backend .Net Developer Position

Job Description:

We are looking for a proactive and detail-oriented L3 Support Engineer to manage and resolve complex technical issues in our Online Travel Booking Platform. You will act as a bridge between customer support, QA, and development teams, with deep knowledge of application internals, APIs, databases, and cloud environments. Ideal candidates should have hands-on experience in .NET or any other backend stack and should be able to handle critical issues, automate support tasks, and contribute to platform stability.

Key Responsibilities:

1. Investigate and resolve complex issues reported by L1/L2 support or customers in production.
2. Perform deep-dive analysis of application logs, exceptions, database queries, and API interactions.
3. Handle incidents related to booking failures, payment mismatches, GDS/supplier API errors, and latency issues.
4. Coordinate with Engineering teams to identify bugs and ensure timely resolution.
5. Monitor system health, performance metrics, and alerts across services (flight, hotel, payment, user management, etc.).
6. Perform root cause analysis (RCA) and document it with action plans and preventive measures.
7. Build or improve internal tools/scripts to aid in faster triaging and resolution.
8. Own deployment verifications and hotfix validations in staging or production environments.
9. Support business continuity during high-traffic periods (e.g., holiday seasons, campaigns).
10. Maintain a knowledge base of recurring issues, resolutions, and platform behavior.

Required Skills :

Join us in our mission to inspire travellers and create unforgettable experiences! If you have the skills, experience, and enthusiasm to excel in this role, we'd love to hear from you.

3–6 years in Application Support / L3 Support / Backend Engineering

1. Strong knowledge of .NET Core / ASP.NET / C#, or any other backend language (Java, Node.js, Python, etc.)
2. Proficiency in debugging distributed systems and analyzing API and application logs.
3. SQL Server, PostgreSQL, or other RDBMS – query optimization, issue tracing.
4. Understanding of RESTful APIs, OAuth, third-party API integration (e.g., GDS, payment gateways).
5. Exposure to Azure / AWS / GCP – especially logging, monitoring, and app services.
6. Experience using tools like Postman, Fiddler, Kibana, Grafana, Azure Monitor, or similar.
7. Knowledge of microservices, CI/CD pipelines, and application containers (Docker, Kubernetes) is a plus.
8. Excellent communication skills to interact with cross-functional teams

Company Name – Client Freshworks,Location : Perungudi Chennai (Hybrid)

• Strong written/verbal communication skills

• Minimum 3+ Years of Core Java Programming with Collections Framework, Concurrent Programming, Multi-threading (Good knowledge in Executor service, Fork joins pool and other threading concepts)

•  Good knowledge of the JVM with an understanding of performance and memory optimization.

•  Extensive and expert programming experience in JAVA programming language (strong OO skills preferred).

•  Excellent knowledge on collections like, Array List, Vector, LinkedList, HashMap, Hash Table, HashSet is mandate.

•  Exercised exemplary development practices including design specification, coding standards, unit testing, and code-reviews.

•  Expert level understanding of Object-Oriented Concepts and Data Structures

•  Good experience in Database (Sybase, Oracle or SQL Server) like indexing (clustered, non-clustered), hashing, segmenting, data types like clob / blob, views (materialized), replication, constraints, functions, triggers, procedures etc.

• 2 - 5 years of hands-on experience with Mongo DB as a Developer.
• Deploy and create MongoDB clusters with appropriate configuration once the machines are provisioned
• Be able to script, and have programming ability with MongoDB shell and/or other programming languages
• Configure and monitor replica sets and Sharded Clusters
• Ability and experience in working with applications that work with MongoDB such as Java, Node.js and/or others
• Experience with MongoDB security, managing roles and permissions
• Experience with MongoDB backups and restores, manually and using MongoDB and other tools
• Knowledge and experience in working with MongoDB Ops Manager and/or Cloud manager
• Knowledge and/or experience working with MongoDB Atlas
• Knowledge of at least one DevOps tool such as Puppet, Chef, Ansible or similar
• Experience with ORM tools such as spring data is preferred.

At Upswing, we are a passionate and self-driven team of thinkers who aspire to build the rails to connect the legacy financial sector with financial innovators through a simple and powerful banking-as-a-service (BaaS) platform. We’re building our platform putting the focus on pragmatism, reliability, and maintainability. We believe that keeping the engineering complexity under control is key to preserving the development productivity and long-term evolution of a platform.

To bring this vision to life, we are building the infrastructure using Microservices architecture using the latest set of technologies that are also fun to work with such as Java, Scala, Postgres, Akka, Kafka with a completely automated DevOps pipeline from the get-go using tools like Chef, Jenkins, Grafana, Graylog.

We are looking for motivated engineers who will be working in a highly creative and cutting-edge technology environment to build a world-class financial services suite.

Why you should join us:

• You will redefine the financial services landscape for India in the coming years.
• Be part of a core Engineering team that will create innovative and scalable Fintech solutions.
• Work with passionate and experienced engineering, product & business workforce that believes in teamwork, and that helps fast-track learning on solving complex technical challenges.
• We are funded by the leading fintech VC `QED Investors` and other established Founders and Executives of awesome Indian companies.

What you will do if you join us:

• Propose solutions to solve complex system architecture challenges and actively lead the end-to-end development of the system.
• Create robust, flexible, consistent, and easy-to-use APIs
• Continuously strive for performance improvements, code reusability, and readability
• Understand the product in detail and predict potential issues in feature development.
• Mentor and lead junior members of the team

You should have:

• Ability to think of out of the box
• Tech or a higher degree in computer science or a related field.
• 3+ years of experience working on the back-end development for complex distributed systems who are willing to adopt any Programming language as per the requirement.
• Familiarity with any of the following – Java, C++, Scala, Kotlin, and frameworks like Spring, Play, Hibernate, Django, etc.
• Good understanding of Algorithms, Data Structure, OOP, Design patterns, Parallel programming, Multithreading concepts & Event-Driven Systems.
• Understanding of micro-services architecture and best practices.
• Experience with Relational databases such as MySQL, PostgreSQL, Oracle, or any NoSQL database.

It is a plus if you have:

• Familiarity with cloud platforms like AWS (Amazon Web Services), Azure or Google Cloud

Hi,

 Greetings from Kairos Technologies (http://www.kairostech.com">www.kairostech.com)

  About Kairos:

Kairos Technologies is a customer-first technology services company focused on Digital Transformation and Testing/QA. We are founded to help you build world-class solutions and digital ecosystems. From our inception in 2003, we have provided managed services in embracing the digital transformation for various companies operating in different verticals. We strive to provide the technology services that make your business goals an economic reality.

As discussed please find the below Job description 

We are looking for highly skilled programmers with experience building web applications in Java. Java Developers are responsible for analyzing user requirements and business objectives, determining application features and functionality, and recommending changes to existing Java-based applications, among other duties.

Java Developers need to compile detailed technical documentation and user assistance material, requiring excellent written communication.

Java Developer Responsibilities:

• Designing and implementing Java-based applications.
• Analyzing user requirements to inform application design.
• Defining application objectives and functionality.
• Aligning application design with business goals.
• Developing and testing software.
• Debugging and resolving technical problems that arise.
• Producing detailed design documentation.
• Recommending changes to existing Java infrastructure.
• Developing multimedia applications.
• Developing documentation to assist users.
• Ensuring continuous professional self-development.

• Skills Required: JAVA/J2EE technologies like Struts, Spring Boot, HTMLCSS, JSP, JDBC, Servlets, JSON, Eclipse, Apache Tomcat, Subversion, Springboot framework to build RESTful Web Services and Micro Services based Spring Cloud.

• Exp – 5+ years
• Location- Pan India

Are you an experienced, ambitious Software Developer looking for a challenging role where you can learn lots more?

We are looking for a motivated PHP Developer with skills in other PHP-based frameworks to come to join our fast-paced, fun, and rewarding agile team of professionals.

If you are passionate about technology, constantly seeking to learn and improve your skillset, then you are the type of person we are looking for!

We are offering superb career growth opportunities, great compensation, and benefits.

Software Developer duties and responsibilities

• Experience with PHP MVC frameworks (Laravel, CodeIgniter, Zend, Drupal etc.)
• Writing back-end code and building efficient PHP modules.
• Developing back-end portals with an optimized database.
• Troubleshooting application and code issues.
• Troubleshoot, test, and maintain the core product software along with the databases to ensure strong functionality and optimization.
• Contribute to all the software development phases.
• Develop and deploy the latest features that facilitate the relevant tools and procedures if required.
• Convey effectively with all task progress, evaluations, suggestions, schedules along with technical and process issues

• 1+ years of experience as PHP Developer, Software Developer, Web Developer, or related roles.
• Proficient in PHP, HTML5, JavaScript, JQuery Expert
• Experience with PHP MVC frameworks (Laravel, CodeIgniter, Zend, Drupal etc.)
• Experience in implementing the common 3rd party APIs such as Facebook, Google, etc.
• Knowledge of developing web services will be preferred.
• Should possess a passion for coding practices and best designs.
• User authentication and authorization between multiple systems, servers, and environments
• Experience with building restful JSON web services
• Knowledge of APIs, such as Twitter, Facebook, Google maps, Instagram, etc.
• Understanding of responsive design frameworks such as bootstrap

Perks & Benefits

• Work from home / Hybrid working model 
• 5 days working 
• Leave compensations 
• Flexible working hours 
• Exposure to the international market 
• Medical Insurance 

Roles & Responsibilities:

Build efficient, testable, and reusable PHP modules.

Solve complex performance problems and architectural challenges.

Integration of data storage solutions (may include databases, key-value stores, etc.).

Integration of User Interfaces developed by front end developers.

Skills and Qualifications:

· Must have a bachelor’s degree or above in Computer Science or in similar field.

· Minimum 4 years of experience in PHP web development.

· Strong knowledge of front-end technologies, such as JavaScript, HTML5, and CSS3

· Strong knowledge of PHP web frameworks (CodeIgniter, NodeJS)

· Experience in creating custom modules and themes.

· Expert knowledge in web architecture.

· Strong understanding of MVC design patterns and oops concept.

· Strong understanding of full synchronous behaviour of PHP.

· Experience with modern UI frameworks such as React, Angular or Vue.js

· Experience in MySQL and the ability to write SQL queries.

· Proficient understanding of source control management such as Git, SVN.

· Proficient understanding fundamental design principles behind a scalable application.

· Familiarity with limitations of PHP as a platform and its workarounds.

· Ability to create database schemes that represent and support business processes.

· Experience with Edu Tech companies will be preferred.

. Immediate Joiner Preferred.

• Build data pipelines for structured/unstructured, real-time/batch, events/synchronous/asynchronous using MQ, Kafka, Steam processing using Java / Python
• Design the Data stores for Big Data systems with expertise in Cassandra, HBase
• Implementation of Indexing and Search using Elasticsearch
• Setup and Deployment of Cassandra, Elasticsearch clusters

• Strong hands-on experience with Cassandra, data modeling, data replication, clustering, indexing for handling for large data sets
• Experience with SQL, NoSQL, relational database design, and methods for efficiently retrieving data for Time Series Analytics
• Strong understanding of CQL, Data Modeling in-order to achieve highly performant data access
• Strong experience in data modeling in Cassandra to design efficient storage model to meet variety of business needs
• Should have Elasticsearch skill with significant experience working with large Elasticsearch clusters, cluster performance optimisation, capacity planning, enhancing monitoring capabilities for early issue detection, driving operational readiness and ongoing maintenance
• Strong hands-on experience of programming with Java / Python
• Ability to troubleshoot and investigate stability, performance issues