Java API Developer

Job Title : Java Developer (Walk-In Interview – Gurgaon)

Experience : 3+ Years

Location : Gurgaon (Work from Office)

Interview Mode : 1. Virtual 2. Walk-In

Skills Required : Java, Spring Boot, Multi-threading, PostgreSQL, Redis

Job Description :

We are hiring Java Developers with expertise in Spring Boot, Multi-threading, PostgreSQL, and Redis.

Key Responsibilities :

• Develop and maintain Java-based applications with a strong focus on Spring Boot.
• Implement multi-threading and optimize application performance.
• Work with PostgreSQL for efficient data management.
• Utilize Redis for caching and performance enhancement.
• Collaborate with cross-functional teams to design, develop, and deploy scalable applications.

Technical Skills:

✅ Java (3+ Years) – Strong coding and problem-solving skills.

✅ Spring Boot – Experience in building microservices-based applications.

✅ Multi-threading – Knowledge of concurrency and thread-safe programming.

✅ PostgreSQL – Database design, optimization, and query performance tuning.

✅ Redis – Experience with caching mechanisms for high-performance applications.

Eligibility :

• 3+ Years of hands-on experience in Java development.
• Bachelor's/Master’s in Computer Science or a related field.
• Strong analytical and debugging skills.

Position-Tech Lead

Experience: 8-10

Job Location: Pune 

We are seeking a highly skilled Tech Lead with strong expertise in Java, microservices architecture, and cloud-native application development. The ideal candidate will bring hands-on leadership experience in designing scalable solutions, guiding development teams, and collaborating with DevOps engineers on OpenShift (OCP) platforms. This role requires a blend of technical leadership, solution design, and delivery ownership.

Key Responsibilities

Lead the design and development of Java / Spring Boot based microservices in a cloud-native environment.

Provide technical leadership to a team of developers, ensuring adherence to coding, security, and architectural best practices.

Collaborate with architects and DevOps engineers to deploy and manage microservices on Red Hat OpenShift (OCP).

Oversee end-to-end delivery including requirement analysis, design, development, code review, testing, and deployment.

Define and implement API specifications, integration patterns, and microservices orchestration.

Work closely with DevOps teams to integrate CI/CD pipelines, containerized deployments, Helm, and GitOps workflows.

Ensure application performance, scalability, and reliability with proactive observability practices (Grafana, Prometheus, etc.).

Required Skills & Qualifications

8-10 years of proven experience in Java application development with at least 4+ years in microservices architecture.

Strong expertise in Spring Boot, REST APIs, JPA/Hibernate, and messaging frameworks (Kafka, RabbitMQ, etc.).

Hands-on experience with containerization (Docker) and orchestration (OpenShift/Kubernetes).

Familiarity with OCP DevOps practices including CI/CD (ArgoCD, Tekton, Jenkins), Helm, and YAML deployments.

Good understanding of observability stacks (Grafana, Prometheus, Loki, Alertmanager) and logging practices.

Solid knowledge of cloud-native design principles, scalability, and fault tolerance.

Exposure to security best practices (OAuth, RBAC, secrets management via Vault or similar). 

A B.Tech/M.Tech in Computer Sc, a SDE should have 1-3 years of experience in SW solution development. We are specifically looking for a SDE who:

• is highly proficient in Java Coreand Spring boot applications including making high quality, highly performing code under JVM environment. 
• has good working knowledge in design of n-Tier databases (Postgres, NoSQL DBs e.g. Cassandra/MongoDB)
• has worked in agile development environment under open source gitlab including testing, change management
• is highly proficient in OOD, extensibility, usability, understand data pre-processing
• has exposure to full life cycle of product implementation and deployment of enterprise products driving a subsystem including development under gitlab or github.
• [Desirable] Ability to optimize an ML solution for accuracy and scale
• [Desirable] has experience in working with Advanced Java

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.

We are looking for Software Developers for the product team in Pune/Gurugaon. We need immediate joiners.

Java Developer (3+ Years of Experience),

-------------------------------------------------------------------------------------------------------

• Must have hands-on in Java 8+, Spring, SpringBoot, JPA/Hibernate, and REST API.
• Must have experience in RDBMS (MySql, Oracle, etc.) or NoSQL (MongoDB, Cassandra, etc.).
• Good understanding of coding best practices, code optimization, code coverage, and performance tuning.
• Experience in Spring Cloud, Microservices, and Kafka is a plus
• Experience in DevOps (Docker, Kubernetes, CI/CD, Version Control) is a plus.
• Good understanding of Agile and Scrum methodologies.
• Excellent communication and interpersonal skills.

JD - Senior Dev with more than 5 years relevant experience

1. Working experience on web development using Python/Django
2. Comfortable with using Django framework.
3. Understanding of web servers
4. Knowledge in PostgreSQL, MySQL, and other database queries
5. Experience in using Redis cache.
6. Understanding of web technologies
7. Experience in REST API development using Django.
8. Strong hold on Apache
9. Integration of data storage solutions
10. Able to integrate multiple data sources and databases into one system
11. Understanding of JavaScript, and front-end JS frameworks like VueJS, React JS and Angular JS
12. Good communication skill
13. .net/.NET core will be an added advantage

• Proven hands-on Software Development experience
• Proven working experience in Java development

• Excellent knowledge of Relational Databases, SQL and ORM technologies (JPA2, Hibernate)
• Experience in the Spring boot , hibernate Framework

What You’ll Do

• Experience working in eCommerce industry managing high volume applications with an experience of 7 yrs or more. 
• Expertise in application development with IBM (Sterling) Order Management Fulfillment Suite with a minimum of 4 to 5 yrs of experience. 
• Implementation Experience in Sterling order management with versions greater than 9.0 is preferred. Experience in XML, XSD, SOAP and REST services. 
• Expertise in at least one application server; Websphere MQ or JBoss or Weblogic.
• Subject matter expertise in building large-scale retail B2C web applications using Supply Chain and Logistics Systems. 
• IBM Sterling Order Management System Configuration Deployment Toolkit (Sterling CDT), Global Inventory Visibility. Caching technologies is a plus. 
• Comprehensive SDLC experience including strong design skills use of UML, patterns. 
• Agile and waterfall implementation principles and practices. 
• Use of version control management such of SVN, CVS, or GIT. 
• Production environment deployment and maintenance. 
• Provide support in troubleshooting / investigations pertaining to the order management systems. 
• Respond quickly to critical requests. 
• Ability to analyze and design data model. Solid hands-on understanding of DB for the Web environment. 
• Performance tuning and optimization for scalability and high availability. 
• Upgrading experience on IBM Sterling Order Management System to 9.3 or higher is a plus.
• Experience working on Omni Channel Implementations with IBM Sterling OMS is a plus. 
• Exposure towards Cassandra is a plus.  

What You Know

• Set your ECommerce skill set to work, helping to execute business requirements into specific systems, applications, or processes in business-to-consumer (B2C) environments. 
• Showcase your in-depth technical knowledge and functional knowledge in IBM Sterling OMS building confidence at client place. 
• Train and guide new team members on Sterling technical and business concepts. 
• Able to support in design or POC s to solve business problems in IBM Sterling OMS for new client initiatives. 
• Should be excited to work on projects that require both Sterling and Java/J2ee. 
• Build services around Sterling using Java, Rest and SOAP web services. Should be very strong in core Java.
• Should be having fair idea in building unit tests around the code implemented.
• Knowledge on continuous integration is needed.
• You will also ensure that the organization's implementations meet the scalability and reliability required for eCommerce operation, as well as analyze and optimize database and core commerce functions for maximum performance.

Education

• Bachelor’s / Master’s degree in specific technical fields like computer science, math, statistics preferred; or equivalent practical experience