JAVA Trainer

Job Description

Key Responsibilities

• API & Service Development:
• Build RESTful and GraphQL APIs for e-commerce, order management, inventory, pricing, and promotions.
• Database Management:
• Design efficient schemas and optimize performance across SQL and NoSQL data stores.
• Integration Development:
• Implement and maintain integrations with ERP (SAP B1, ERPNext), CRM, logistics, and third-party systems.
• System Performance & Reliability:
• Write scalable, secure, and high-performance code to support real-time retail operations.
• Collaboration:
• Work closely with frontend, DevOps, and product teams to ship new features end-to-end.
• Testing & Deployment:
• Contribute to CI/CD pipelines, automated testing, and observability improvements.
• Continuous Improvement:
• Participate in architecture discussions and propose improvements to scalability and code quality.

Requirements

Required Skills & Experience

• 3–5 years of hands-on backend development experience in Node.js, Python, or Java.
• Strong understanding of microservices, REST APIs, and event-driven architectures.
• Experience with databases such as MySQL/PostgreSQL (SQL) and MongoDB/Redis (NoSQL).
• Hands-on experience with AWS / GCP and containerization (Docker, Kubernetes).
• Familiarity with Git, CI/CD, and code review workflows.
• Good understanding of API security, data protection, and authentication frameworks.
• Strong problem-solving skills and attention to detail.

Nice to Have

• Experience in e-commerce or omnichannel retail platforms.
• Exposure to ERP / OMS / WMS integrations.
• Familiarity with GraphQL, Serverless, or Kafka / RabbitMQ.
• Understanding of multi-brand or multi-country architecture challenges.

Senior Software Engineer

Responsibilities:

• Lead by the principle of "customer first" to analyse, debug, develop, and maintain customer-centric software.

• Collaborate closely with multidisciplinary teams to analyse, debug and fix issues with high quality code, zero regressions, scalable, innovative technical solutions.

• Optimizing components for maximum performance and scalability

• Participates in R&D, Proof of Concepts, Prototyping, Code review, Root Causing, etc.

• At least 2-3 yrs of experience in taking full ownership of software development lifecycle including planning, design, architecture, development, test & deployment. And 2+ years of experience in supporting production or customer issues and escalations.

• Review and analyze support tickets that are complex in nature and require more technical knowledge to analyze. Investigate issues to identify root causes and document findings clearly.

• Influences the development practices so that they follow best practices, policies, and procedures.

• Ensure software products meet all non-functional requirements including operational and security needs.

• Excellent verbal and written communication skills, problem solving skills.

• Address complex technical challenges within software systems, ensuring robustness, compliance, and customer satisfaction.

• Contribute to knowledge base

• Support the Lead and Mentor the team of software engineers and own the technical health of the service the team is working on.

Requirements:

• Bachelor’s or Master’s degree in Computer Science, Engineering, or a related field.

• Minimum of 5 years of professional experience in Java development with expertise in core Java, JDK, data structures, and multithreading.

• Strong analytical skills with experience in root cause analysis and fixes • Strong experience with Spring and Spring Boot frameworks.

• Strong understanding of software design principles, architecture, and best practices

• Familiarity with server technologies, including Tomcat and WebLogic.

• Proficiency in working with relational databases such as Oracle and PostgreSQL

• Experience with messaging queues, particularly JMS MQ or Artemis MQ.

• Possess exceptional debugging and troubleshooting skills to resolve complex issues across the entire, cross-functional technology stack

• Awareness / exposure to debugging Frontend applications (ReactJS / .Net) is a good to have.

• Exposure to Kubernetes, containerization and cloud (AWS) technologies in building scalable, resilient, and distributed environments.

• Excellent problem-solving skills and the ability to work in a fast-paced and in production customer sensitive environments.

• Strong communication and collaboration skills. Quick learner.

• Experience and knowledge in working in the HRP application – specifically the Claims functionality. Added experience in other areas including Enrollment, Billing, Financials is a plus. Candidate must have worked previously in HRP

• Familiarity with ticketing systems (Jira, SalesForce) and production support workflows.

Mandatory Criteria :

• Candidate must have Strong hands-on experience with Kubernetes of atleast 2 years in production environments.
• Candidate should have Expertise in at least one public cloud platform [GCP (Preferred), AWS, Azure, or OCI).
• Proficient in backend programming with Python, Java, or Kotlin (at least one is required).
• Candidate should have strong Backend experience.
• Hands-on experience with BigQuery or Snowflake for data analytics and integration.

About the Role

We are looking for a highly skilled and motivated Cloud Backend Engineer with 4–7 years of experience, who has worked extensively on at least one major cloud platform (GCP, AWS, Azure, or OCI). Experience with multiple cloud providers is a strong plus. As a Senior Development Engineer, you will play a key role in designing, building, and scaling backend services and infrastructure on cloud-native platforms.

# Experience with Kubernetes is mandatory.

Key Responsibilities

• Design and develop scalable, reliable backend services and cloud-native applications.
• Build and manage RESTful APIs, microservices, and asynchronous data processing systems.
• Deploy and operate workloads on Kubernetes with best practices in availability, monitoring, and cost-efficiency.
• Implement and manage CI/CD pipelines and infrastructure automation.
• Collaborate with frontend, DevOps, and product teams in an agile environment.
• Ensure high code quality through testing, reviews, and documentation.

Required Skills

• Strong hands-on experience with Kubernetes of atleast 2 years in production environments (mandatory).
• Expertise in at least one public cloud platform [GCP (Preferred), AWS, Azure, or OCI].
• Proficient in backend programming with Python, Java, or Kotlin (at least one is required).
• Solid understanding of distributed systems, microservices, and cloud-native architecture.
• Experience with containerization using Docker and Kubernetes-native deployment workflows.
• Working knowledge of SQL and relational databases.

Preferred Qualifications

• Experience working across multiple cloud platforms.
• Familiarity with infrastructure-as-code tools like Terraform or CloudFormation.
• Exposure to monitoring, logging, and observability stacks (e.g., Prometheus, Grafana, Cloud Monitoring).
• Hands-on experience with BigQuery or Snowflake for data analytics and integration.

Nice to Have

• Knowledge of NoSQL databases or event-driven/message-based architectures.
• Experience with serverless services, managed data pipelines, or data lake platforms.

We are looking for a focussed, energetic and motivated Senior Java Developer. You must have sufficient experience in Java Development, Spring, Spring Boot, AWS and SQS, S3. You will be challenged with complex and robust product development.

As a Senior Java Developer, you will be the most senior developer within the company working alongside other Java Developers, the Engineering Manager, and the CTO.

Senior Java Developer requirements

Solid development experience using Java, Springboot, SQS, S3 and Microservices

Experience working in Swing Java framework

Revises, updates, refactors, and debugs code

Write clear, concise and efficient code and ensure it is fully tested

Service and develop features using Java with AWS, JUnit, SQL and Spring framework

You have a good knowledge of Cloud technologies (ideally AWS)

Participate in peer coding reviews and work in a collaborative, agile environment

Demonstrate technical knowledge and expertise with a clear understanding on the products' technical composition

Senior Java Developer responsibilities

7-9 yrs minimum work experience

Excellent analytical, troubleshooting, and communication skills

Excellent attention to detail and time-management skills

Serves as an expert on developed applications

Ability to adapt and learn new product/technology is key

Collaborates with internal teams to produce software design and architecture

Knowledge of Agile frameworks (i.e. Scrum) and has worked with Jira or Spira

Attend daily stand-up meetings alongside the Scrum Master

A self-starter, hardworking and committed individual

Work UK hours - ideally 9.00am - 6pm with the expectation to work out of ours when needed

•Hands on experience in Object oriented programming

•Hands on experience in Java, SpringBoot (min 2 years) or kafka or Cassandra or MongoDB

•Experience with developing/enhancing applications connecting to different Databases : Oracle/MySQL/Cassandra/MongoDB

•Strong knowledge of common Data structures and algorithms and when to use them.

•Experience in Xpath or XML or REST or JSON or protobuff

• Experience with software version control (such as git)

•Experience in working in an agile environment such as Scrum.

Preferable:

•Experience in public cloud PaaS (AWS, GCP, Azure)

•Real time stream data handling (Kafka, Kinesis

Essential Requirements:

• 5+ years of Software development experience
• Hands on development experience using Java technology stack with focus on architecture and design.
• Hands-on in Java Programming, J2EE, Spring or SpringBoot, Hibernate, RestAPI, Data Structures, Design Patterns, Oracle Database, PL/SQL
• Experience in application servers with prime focus on Tomcat.
• Experience in messaging systems such as RabbitMQ.
• Experience working in Linux/Unix environments. Must be hands on with Object Oriented concepts along with passion for design patterns and applicability.
• Relevant experience in Java frameworks like Spring Microservices, Spring-Boot, Hibernate, JPA etc.
• Understanding of developer testing practices and the differences between unit, functional, and system tests,
• Should have working experience in a CI/CD environment where build & test is automated.
• Should have working experience in tools like Maven, Jenkins, Bamboo etc.
• Should have used testing Frameworks such as JUnit, Selenium
• Ability to quickly learn and apply new concepts or principles
• Ability to work effectively as part of global team
• Experience working in an agile environment.
• Experience in Azure and AWS Development and Deployment, Active Directory, Containerization.