Senior Java Developer

Backend Engineering Intern (Infrastructure Software) – Remote

Position Type: Internship (Full-Time or Part-Time)

Location: Remote

Duration: 12 weeks

Compensation: Unpaid (***3000 INR is just a placeholder***)

About the Role

We are seeking a motivated Backend Developer Intern to join our engineering team and contribute to building scalable, efficient, and secure backend services. This internship offers hands-on experience in API development, database management, and backend architecture, with guidance from experienced developers. You will work closely with cross-functional teams to deliver features that power our applications and improve user experience.

Responsibilities

• Assist in designing, developing, and maintaining backend services, APIs, and integrations.
• Collaborate with frontend engineers to support application functionality and data flow.
• Write clean, efficient, and well-documented code.
• Support database design, optimization, and query performance improvements.
• Participate in code reviews, debugging, and troubleshooting production issues.
• Assist with unit testing, integration testing, and ensuring system reliability.
• Work with cloud-based environments (e.g., AWS, Azure, GCP) to deploy and manage backend systems.

Requirements

• Currently pursuing or recently completed a degree in Computer Science, Software Engineering, or related field.
• Familiarity with one or more backend languages/frameworks (e.g., Node.js, Python/Django, Java/Spring Boot, Ruby on Rails).
• Understanding of RESTful APIs and/or GraphQL.
• Basic knowledge of relational and/or NoSQL databases (e.g., MySQL, PostgreSQL, MongoDB).
• Familiarity with version control (Git/GitHub).
• Strong problem-solving skills and attention to detail.
• Ability to work independently in a remote, collaborative environment.

Preferred Skills (Nice to Have)

• Experience with cloud services (AWS Lambda, S3, EC2, etc.).
• Familiarity with containerization (Docker) and CI/CD pipelines.
• Basic understanding of authentication and authorization (OAuth, JWT).
• Interest in backend performance optimization and scalability.

What You’ll Gain

• Hands-on experience building backend systems for real-world applications.
• Exposure to industry-standard tools, workflows, and coding practices.
• Mentorship from experienced backend engineers.
• Opportunity to contribute to live projects impacting end users.

Experience in Core Java and Spring Boot.

 • Extensive experience in developing enterprise-scale applications and systems. Should possess good architectural knowledge and be aware of enterprise application design patterns. 

• Should have the ability to analyze, design, develop and test complex, low-latency clientfacing applications. 

• Good development experience with RDBMS.

 • Good knowledge of multi-threading and high-performance server-side development.

• working knowledge of Kafka

• Excellent problem solving and coding skills. 

• Strong interpersonal, communication and analytical skills. 

• Should have the ability to express their design ideas and thoughts.

The Company:

We are a growing EV infrastructure startup with offices in IIT-Madras Research Park and Noida.

Sonik Mobility is a brand of our company Azhar Engineering incubated at IIT-Madras Research Park, which is primarily focused on developing and deploying smartest, lOT enabled and the most user-friendly EV charging stations and semi-autonomous battery swap stations in India ranging from 3.3 kW to 22 kw.

We are a company founded by two graduates and friends namely Mohammad Safa Azhar and Preak Gupta from The Pennsylvania State University, USA and are the only company providing the dual solution of charging and semi-autonomous battery swapping stations under one roof.

Our ideal candidate for this position must have a penchant to learn new things and above all must have a passion to change the status quo of EV charging infrastructure in India.

We believe that charging your EV should be as easy as refueling your ice vehicle if not easier.

The Position: We're looking for a Software Engineer/ Full Stack Developer to work on our application and integration with third party APIs.

Objectives:

We are looking for a Software Engineer/Back-end Developer to work on our cloud-hosted application & integrate with 3rd party APIs. This will include the following:

• Maintain and keep up-to-date our cloud-hosted application
• Collaborate with the rest of the team to ensure applications align with organizational goals.
• Oversee the performance of the application to ensure they're always running properly.

• Improve our overall application process and continuously find ways to advance our company vision.

Responsibilities: As a software engineer/ Back-end developer, these will be some of your responsibilities

• Work closely with our hardware integration team to integrate the application with our hardware.
• Ensure the application is hosted and fully functional on cloud (AWS).
• Work closely with NPCI for integration into our system via APIs.
• Carry out regular security and performance checks
• Assesses feasibility of design and project parameters within time and cost constraints.

Requirements:

• B-Tech/M-Tech in Computer Science/Electronics/Engineering
• Proven experience of 2-3 vears (professional or otherwise)
• Strong knowledge of programming languages such PHP, Python, C, or C++.
• Knowledge of API integrations with 3rd party applications/hardware
• Knowledge of software and hardware integration
• Experience with hosting applications on cloud (AWS or Azure)
• Working knowledge of software development tools and technologies
• Desired skills:
• Experience with Battery Management systems
• Experience with CAN
• Knowledge of OCPP protocol
• AWS experience preferred
• Strong communication and teamwork skills
• Contribute individually to product solution development.

Good knowledge and experience of working with backend systems; 

designing server-side architecture, including production maintenance experience are must-haves.

At least 1-2 years of experience in any programming languages like Java, Ruby, PHP, Python and Node.js(Node.js preferred).

Understanding of micro-services oriented architecture.

Experience with Databases design (SQL, NoSQL) and analytics

Experience in driving and delivering complex features/software modules from technical design to launch.

Expertise with unit testing & Test Driven Development (TDD)

Fullstack Developer/Architect/Programmer:

1. 8-10 years experience as Developer/Programmer.
2. Should have an expertise in Core Java, Java & J2ee
3. Built MVC based Web Application Using JSP/Struts framework
4. Experience in Webservices-Restful
5. Experience in Application Servers like Tomcat and WebLogic
6. Good Knowledge of implementing JMS messaging services
7. Good knowledge of HTML5,CSS and JavaScript – Angular.js,Bootstrap, React.js
8. Should have skills in Spring 3.x, Hibernate, Weblogic 12c Implementation

• MSSQL, SSIS, Performance Tuning, Data modeling.
• Experience in No SQL tools is must
• Candidate should have exposure to write scripts in Python/Node JS/MongoDB or any other tool
• Maria DB/MYSQL, Mongo DB, Github, Jira
• Understand Requirements from client and on-site team.
• Participate in preparing design and data modelling.
• Comfortable with SQL Stored procedures and queries development.
• Comfortable with SQL Stored procedures and queries development.
• Manage SQL Server through multiple product lifecycle / environments, from development to critical production systems.
• Apply best in industry standard techniques for data modeling to ensure performance, integrate and requirement.
• Ability to analyze independently problems and resolve them on time.

Job Position: JAVA Software Engineer
Job Location: Bangalore

Experience: 2 to 12 years

Job Responsibilities:
• Responsible for developing Web Applications using J2EE components.
• Responsible for developing standalone applications using Core Java and JDBC.

Desired Qualification: BE / B.Tech / MCA / MSc in Computer Science or IT

Added advantage: Sun Certified Java Programmer (SCJP), Sun Certified Web Component Developer (SCWCD) certification

Desired Skills:

• Strong skills in JAVA programming languages and focus specially on the following areas Servlets, JSP, Web Services, Struts framework, JDBC/JPA/mybatis (ibatis)/Hibernate, Threads, Collections and Design Patterns.
• Strong skills in web technologies HTML 4/5, JQuery, AJAX, Java Script and CSS.
• Thorough understanding of Object Orientation.
• Above average skills in SQL with familiarity in any of the standard RDBMS – MySQL, MSSQL or Oracle.
• Must have good written and oral communication in English language.
• Must be completely hands-on and an individual contributor and a self-starter; must be able to complete assignments (suitable to his/her experience) with minimal assistance.
• Very good at Analytical and Logical skills.
• Solid understanding of the web development lifecycle.
• Ability to learn quickly and deliver software on time.