Java Developer

Java back end developer

Chennai  

3+yrs

3 to 5 years Java,

Sprint Boot, Hibernate,

REST API Design Patterns SQL,

Oracle,

Table design

As a PHP Backend Developer, your primary responsibility will be to develop and maintain the server-side logic of web applications, ensuring high performance, responsiveness, and scalability. You will work closely with the front-end development team, project managers, and other stakeholders to deliver robust and efficient web solutions.

Responsibilities:

• Develop and maintain server-side applications using PHP frameworks (such as Yii, Laravel, Symfony, and CodeIgniter) and other related technologies.
• Write clean, well-structured, and reusable code following industry best practices and coding standards.
• Collaborate with front-end developers to integrate user-facing elements with server-side logic.
• Design and implement secure and efficient APIs for data exchange with the front end and external services.
• Optimize application performance by identifying and resolving bottlenecks, improving code efficiency, and implementing caching mechanisms.
• Ensure data integrity and implement proper validation and error-handling techniques.
• Collaborate with database administrators to design and optimize database schemas and queries.
• Conduct thorough testing and debugging of applications to ensure high-quality deliverables.
• Stay updated with the latest trends and advancements in PHP development and related technologies.
• Participate in code reviews and provide constructive feedback to maintain code quality and improve team collaboration.
• Collaborate with the project management team to estimate project timelines and deliver work within specified deadlines.
• Troubleshoot and resolve production issues, provide technical support and perform maintenance tasks as required.

Requirements:

• Proven work experience as a PHP Backend Developer or similar role.
• Strong proficiency in PHP and its frameworks (Yii, Laravel, Symfony, etc.) with a good understanding of object-oriented programming principles.
• Experience with frontend technologies (HTML5, CSS3, JavaScript) and their integration with backend systems.
• Familiarity with database systems, such as MySQL, PostgreSQL, or MongoDB, and proficiency in writing efficient database queries.
• Knowledge of version control systems like Git for code collaboration and deployment.
• Familiarity with RESTful API development and integration of third-party APIs.
• Experience in optimizing application performance and implementing caching techniques.
• Understanding of security principles and best practices for web application development.
• Excellent problem-solving and analytical skills with strong attention to detail.
• Good communication and teamwork skills to collaborate effectively with cross-functional teams.
• Ability to work independently and handle multiple projects simultaneously.

Job title and location:

Sr. Backend Developer, based in Bangalore, India

Who we are:

VAHN is a seed-funded fintech and mobility application which integrates tracking, load planning, billing, performance management and cost management with a payment wallet and seamless credit to deliver a powerful solution for truck-owners and truck-drivers.

We are a very small team with a big idea and lots of passion, and we’re on a mission to bring Indian trucking into the next generation of tech.

The trucking industry in India is fragmented, unorganised, and fraught with numerous challenges that haven’t yet been solved. Although the industry is ripe for disruption, not many have been able to take advantage of the opportunity because of a lack of exposure to ground realities and practical challenges. Combining years of research and first-hand experience running trucks ourselves, we believe we have an edge.

We are looking for a passionate teammate who is as excited about the mission as we are, and is keen to delve deep into this challenging but exciting space. Trucking is getting upgraded, are you in?

What we are looking for:

//  Passion for good design and hunger for making a big impact

//  Extensive experience in backend engineering along with the best practices as per language

//  Ability to thrive in complexity

//  Leadership qualities and versatility

What you should enjoy doing:

//  Building exceptional products with robust and reliable code

//  Working in a fast-paced, ambiguous environment

//  Collaborating with designers playing a critical role in design, planning, development and deployment

//  Being the technical voice at the table, educating and guiding the business on the right approach, technologies, and trends

//  Building a team and mentoring fresh talent

What the role is about:

As a core team member you will design and develop the next-generation of technologies for the Indian trucking industry with the potential to change how millions of drivers, truck owners, transporters, and shippers manage their businesses and transact with one another. Some specific responsibilities include,

//  Building scalable, reliable, and high-performing tech infrastructure

//  Improving operational excellence by identifying and building the right solutions for observability and manageability

//  Continuously discovering, evaluating, and implementing new technologies to maximize development efficiency

//  Developing robust, quick prototypes for proof-of concept features / application based on briefs

//  Unit-test coding for robustness, including edge cases, usability, and general reliability.

//  Providing development support, code review and optimisation.

//  Working with outside data sources and APIs.

Qualifications:

//  5+ years of backend engineering experience

//  Experience working with Microservices/RESTful APIs (Http/WebSockets), /Swagger/OpenPI, third-party SDK Integrations and common technologies like HTTPS, JSON, OAuth, and SQL

//  Experience working with Java 11 and above, SpringBoot 5.x/Micronaut 3.x

// Proven experience at building actor based systems and Reactive programming is a big plus

// Demonstrated experience at using messaging system such as Kafka/Rabbit MQ/SQS/SNS

//  Experience at unit testing with Junit/Mockito

//  Good understanding of Data Structures and Algorithms

//  Experience with multi-tier application architecture and design

//  Cloud experience/knowledge (AWS/GCP)

//  Experience at developing containerised applications using Docker/Kubernetes

//  Experience at building systems using MySQL/Cassandra/MongoDB

//  Knowledge of Microservices patterns is a big plus

//  Knowledge of serverless computing (AWS Lambda/Cloud Functions) is a big plus

//  Experience in structuring solutions with Redis as caching layer

//  Experience at building integration with external systems is a plus

//  Strong written and verbal communication and ability to gain buy-in from a non-technical audience

Responsibilities: 

• Develop backend systems for our first product
• Build reliable, secure and performant backend systems
• Drive test coverage and continuous delivery automation within the team
• Mentor and provide feedback to teammates

Requirements:

• 5+ years of software development experience
• Strong computer science fundamentals
• Deep and wide knowledge of Java ecosystem
• Can write code that is readable, maintainable, secure and performant
• Know the importance of tests and how to approach writing different types of tests
• Good intuition for REST API design
• Deep understanding of relational databases, transactions, entity-relationship modeling
• Comfortable writing highly concurrent systems
• Experienced in using profilers, tuning garbage collection, optimizing SQL queries

Bonus:

• Understanding of domain-driven design concepts like ubiquitous language, bounded contexts, aggregates and domain events
• Know how to use test driven development as a design tool
• Good intuition for the principles underlying object-orientation, particularly encapsulation
• Understand the importance of immutability and of reducing the state-space of objects
• Know how to refactor large codebases safely
• Seek to identify key underlying ideas and use those as building blocks before reaching for shiny new tools

About the role:

As a product engineer I/II, you will be responsible for continuous improvement of Cashfree experience for all our customers and end- users. You will dream big but identify and take small steps towards achieving that goal. You will receive great feedbacks at every step of the development cycle from your peers to our customers and end- users.

You may be working on architecting the money disbursement flow or creating most- friendly interface for consumer payment. All our engineers identify as generalist and building products that are useful and delightful are core to our engineering culture.

You're more than a coder. You wil be part of entire product process, from conceptualizing till post- launch evaluation. You should have deep empathy for the users to minimize the gap between what we build and what they need. Have sound judgement to balance between code writing speed and it's maintainability. Knowledge of variety of server- side/ frontend frameworks is desirable but not compulsory