Java Microservices Developer

Job Title: Java Lead – Software Engineering

Location: Mohali | Panchkula | Gurugram (Onsite)

Experience: 7+ Years

About the Role:

We are seeking a highly skilled and passionate Java Lead who will be responsible for designing, developing, and leading the implementation of scalable and maintainable product features. As a Lead, you will play a key role in guiding a team, ensuring coding best practices, and resolving complex technical challenges. This is a great opportunity for someone who thrives in a fast-paced environment, is passionate about solving technical problems, and is excited about leading product development end-to-end.

Key Responsibilities:

· Lead a team of developers in designing and building micro-services using Java.

· Decompose feature requests into sizable and estimable pieces of work.

· Deliver scalable, maintainable, and high-quality code within defined timelines.

· Conduct code reviews to ensure adherence to coding standards and best practices.

· Collaborate with cross-functional teams to solve complex technical challenges.

· Act as a subject matter expert for specific product components.

· Debug and resolve critical production issues with detailed root cause analysis.

· Drive adoption of Agile practices, ensuring proper planning, estimation, and delivery.

Required Qualifications:

· Bachelor’s degree in Computer Science or a related field.

· 7+ years of strong experience in Java development.

· 3+ years of hands-on experience in developing and delivering productized software applications.

· Experience in leading teams and mentoring developers.

· Proven ability to design and deliver scalable and maintainable applications.

· Strong problem-solving and analytical skills with a self-driven mindset.

· Excellent written and verbal communication skills.

Preferred Skills:

· Hands-on experience with Java micro-services.

· Familiarity with CI/CD pipelines.

· Strong understanding of Agile methodologies.

· Cloud and containerization exposure with AWS and Docker.

Technology Stack:

· Java

· Micro-services

· SQL

· AWS

· Docker

Strong Senior Backend Engineer profiles

Mandatory (Experience 1) – Must have 5+ years of hands-on Backend Engineering experience building scalable, production-grade systems

Mandatory (Experience 2) – Must have strong backend development experience using one or more frameworks (FastAPI / Django (Python), Spring (Java), Express (Node.js).

Mandatory (Experience 3) – Must have deep understanding of relevant libraries, tools, and best practices within the chosen backend framework

Mandatory (Experience 4) – Must have strong experience with databases, including SQL and NoSQL, along with efficient data modeling and performance optimization

Mandatory (Experience 5) – Must have experience designing, building, and maintaining APIs, services, and backend systems, including system design and clean code practices

Mandatory (Domain) – Experience with financial systems, billing platforms, or fintech applications is highly preferred (fintech background is a strong plus)

Mandatory (Company) – Must have worked in product companies / startups, preferably Series A to Series D

Mandatory (Education) – Candidates from Tier - 1 engineering institutes (IITs, BITS, are highly preferred)

Strong Java Backend Engineer.

Mandatory (Experience 1): Must have 5+ years of backend development with strong focus on Java (Spring / Spring Boot)

Mandatory (Experience 2): Must have been SDE-2 for at least 2.5 years

Mandatory (Tech skill 1) : Hands-on experience with RESTful APIs and microservices architecture

Mandatory (Tech skill 2): Strong understanding of distributed systems, multithreading, and async programming

Mandatory (Tech skill 3): Experience with relational and NoSQL databases

Mandatory (Tech skill 4) : Exposure to Kafka/RabbitMQ and Redis/Memcached

Mandatory (Tech skill 5): Experience with AWS / GCP / Azure, Docker, and Kubernetes

Mandatory (Tech skill 6) : Familiar with CI/CD pipelines and modern DevOps practices

Mandatory (Company): Product companies (B2B SAAS preferred)

Mandatory (Stability): Must have stayed for atleast 2 years with each of the previous companies

Mandatory (Education): B.Tech in computer science from Tier 1, Tier 2 colleges

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.

Technical Requirement:

• At least 5 years of experience in Java, J2EE technologies.
• Expertise in doing development using Java, Spring Boot, Spring modules (Spring Security, Spring MVC, Spring Data JPA, etc.), Hibernate, Web Services
• Worked on REST web services.
• Worked on application server : Tomcat
• Worked on Eclipse IDE
• Knowledge of Swagger, Postman
• Worked on Database like MySQL
• Worked on Git, Maven, CI/CD pipelines
• Good to have knowledge of using Docker and Mongo DB

• You have experience with two or more development languages preferably Java or Python and React, etc 
• You can skillfully write high-quality, well-tested code and you are comfortable with Object-Oriented programming
• Comfortability with Agile methods, such as Extreme Programming (XP), Scrum and/or Kanban
• Bonus points if you have working knowledge of cloud technology such as AWS, Azure, Kubernetes and Docker

Role Description:

As a Lead Backend Engineer , you will be responsible for designing and deploying scalable, highly available, and fault-tolerant systems for Radiusagent. Experience as a Tech Lead, managing tasks with back-end engineers while coding themselves will be a bonus point for the ideal candidate.

Responsibilities will include-

• You will contribute to all aspects of an agile software development lifecycle including design, architecture, development, documentation, testing, and operations.
• You will build cutting-edge scalable systems by writing simple and efficient code.
• You will push your design and architecture limits for new product development.
• You will ensure compliance with the build/release and configuration management process.

Skills needed:

• be able to design and build modules from ground up
• proficient in any one programming language out of php/golang/node/python/javascript/java/ruby and ability to pick up others
• experience with mysql/postgres/mongodb/couchdb
• experience  with redis/memcached
• experience with rabbitmq / kafka
• experience in having written cron jobs, troubleshooting downtime
• ability to work with ambiguous requirements
• good understanding of OS concepts

Nice to haves:

• experience with managing VMs' on aws/gcp/digitalocean 
• experience with docker/kubernetes
• experience elasticsearch or lucene

- Build the backend for Android & iOS application and website with Company Dashboard (MIS). 
- Integration of user-facing elements developed by front-end developers with server side logic 
- Design and implementation of low-latency, high-availability, and performance applications
-Well versed with AWS and Server deployment 
- Excellent knowledge of Spring frameworks 
- Excellent knowledge of Java, JSP, JavaScript, AJAX, HTML, JSON 
- Good knowledge of MySQL 
- Knowledge of coding standards and good commenting practices 
- Experiences in developing RESTful web services must. 
- Ability to understand business requirements and translate them into technical requirements 
- Ability to design applications around natural user interfaces 
- Experience with REST API connections 
- Writing reusable, testable, and efficient code 
- Integration of data storage solutions
- Build the backend for application and website with Android App, IOS, Company Dashboard. 
- Own software quality and optimize UI 
- Understand closely the requirements of the customers and get the features implemented on time 
- Creating of strong project timeline along with budgeting and regular reporting 

• Have architected /designed at least 2-3 systems/products of enterprise scale from scratch.
• Have banking and Financial service background and preferably worked in Mobile/Digital platform design and development. Payments /OLTP preferred.
• Should have experience of 20+ years with J2ee, REST, Microservice, API, Messaging, Encryption, security, NLP, ML background.
• Have 7+yrs of experience in Architecture field, designing and end to end not from consulting Architecture.
• Responsible for design, architecture, and delivery of a feature or component/product with the highest quality with high-level directions from architects
• Driving innovations in the platform constantly & remaining ahead of the curve
• Development and testing of features/functions delivered via applications and services.
• Prototype ideas quickly using cutting edge technologies.
• Collaborating with peers and Architects both within their team and across the organization to deliver end-to-end products & features
• Working with product managers using agile methodologies to deliver high quality solutions on time
• Provide functional, design, and code reviews in related areas of expertise with-in team and cross-team.
• Working with operations teams to ensure your applications and services are highly available and reliable
• Mentoring junior engineers in the team both in the technical as well as on the product side
• Define and devise processes, tools and methodologies to achieve excellence in software development, testing and deployment, and in the management of the Centre.
• Good experience in working with any of the programming languages like PHP, Python, Django, Golang, Java, C++
• Experience developing applications that use high volume of data along with experience building applications on top of RESTful APIs.
• Solid knowledge of JAVA, J2EE, data stream, processing, big data etc.
• Comfortable with writing unit tests using JUnit
• Worked with Git and are comfortable with Merge/Rebase concepts.
• Worked with tools such as Eclipse, WebStorm, Ant, Maven, Jenkins, Sonar, JSLint, Grunt and App Servers such as Tomcat, Jboss.
• Solid knowledge of algorithms, design patterns, and componentization approaches.
• Experience and knowledge of open source software, frameworks and broader cutting-edge technologies.
• Experience in software design patterns, problem solving and troubleshooting skills.
• Ability to determine impact of architectural solutions and recommendations.
• Must have experience in justification of technology solutions to business leaders.
• Experience in refactoring existing codebase and in understanding existing implementations to decide to refactor or rewrite.
• Know how to identify Performance bottlenecks and use good coding patterns to avoid them in the first place.
• Have strong attention to detail.
• Ability to operate effectively both independently as well and within a team using Agile methodology.
• Proven problem-solving and interpersonal communication skills.
• Knowledge of payment domain will be an added advantage

Qualifications

• BE/BTech/ME/MTech in EE/CS or an equivalent qualification.
• 20+yrs of Experience.
• Minimum 12+years of hands on Java programming experience.