Java Developer

Skills

• Strong analytical thinking and problem-solving abilities.
• Solid understanding of system design, data structures, and algorithms.
• Proven experience in designing and implementing scalable architectures and robust design patterns.
• Ability to deliver end-to-end features and enhancements with minimal supervision.
• Proficient in debugging and resolving complex production issues and identifying root causes quickly.
• Ability to quickly learn and integrate new systems into existing platforms.

Programming Languages

• Strong expertise in Java or Python.

Database Skills

• Proficiency in SQL, with hands-on experience in PostgreSQL and MySQL.

Experience with NoSQL technologies, including MongoDB and Redis.

We are looking for a passionate and experienced Java Developer with over 4 years of hands-on experience in building robust and scalable backend systems using Java, Spring Boot, and Microservices architecture.

Key Responsibilities:

• Design, develop, test, and deploy high-performance, scalable, and secure backend services using Java 8+, Spring Boot, and Microservices.
• Participate in the entire software development lifecycle (SDLC), from requirements gathering to production deployment and support.
• Collaborate with frontend developers, DevOps engineers, and product owners to deliver end-to-end features.
• Optimize application performance and ensure high availability and responsiveness.
• Write clean, maintainable, and reusable code while following best practices (coding standards, unit testing, CI/CD, etc.).
• Develop RESTful APIs and ensure their quality and consistency.
• Handle integration with external systems and third-party services.
• Participate in code reviews, provide constructive feedback, and mentor junior developers.

Technical Skills Required:

• Languages: Java 8 or above
• Frameworks: Spring Boot, Spring MVC, Spring Security
• Architecture: Microservices architecture and design patterns
• Databases: MySQL/PostgreSQL, MongoDB (optional)
• Messaging: Kafka, RabbitMQ (optional)
• API Development: RESTful APIs, Swagger/OpenAPI
• Version Control: Git, GitHub/GitLab
• Tools: Maven/Gradle, Jenkins, Docker
• Testing: JUnit, Mockito
• Cloud (optional): AWS/Azure/GCP exposure
• CI/CD & DevOps tools (optional): Jenkins, Docker, Kubernetes

Nice to Have:

• Experience in containerization and orchestration (Docker, Kubernetes).
• Knowledge of API Gateway, Service Registry (e.g., Eureka), and Circuit Breakers (e.g., Hystrix or Resilience4j).
• Experience with Agile methodologies (Scrum/Kanban).
• Familiarity with monitoring and logging tools (ELK, Prometheus, Grafana, etc.).

About the Role

We are seeking a passionate and skilled Java + Kotlin Developer to join our growing engineering team. You’ll be responsible for building scalable backend systems and modern Kotlin-based applications, with opportunities to work on both Android and server-side development.

What You'll Do

• Develop and maintain robust backend services using Java and Spring Boot
• Design and implement modern applications using Kotlin (Android or Multiplatform)
• Work on APIs, microservices, and system integrations
• Collaborate with cross-functional teams in an Agile environment
• Write clean, maintainable, and testable code

Key Requirements

• 3+ years of hands-on experience with Java and Kotlin
• Strong grasp of Spring Boot, REST APIs, and microservices architecture
• Experience with Android Development or Kotlin on JVM
• Familiar with Git, Gradle, and CI/CD tools
• Bonus: Experience with Jetpack Compose, Kotlin Coroutines, or Kotlin Multiplatform

Good to Have

• Familiarity with cloud platforms like AWS / GCP
• Knowledge of Docker, Kubernetes, or DevOps practices
• Previous experience in a startup or fast-paced product environment

Preferred Skills:

• Good communication skills in English (Written and Oral)
•  Strong knowledge of RDBMS concepts
•  Strong analytical and problem-solving skills
•  Experience in performance tuning
•  Experience in interaction with the customer
• Mandatory technical skills Java, Spring boot , Microservices , Hibernate
• Preferred Tools (SVN, GIT, Maven, Jenkins Jira Confluence) 
•  Ability to explore the application by himself/herself from the training provided.

Responsibilities:

• New feature development or enhancement or change request activities (Requirement analysis, Requirement documentation, Design, Coding, Review, Testing and Release process)
•  Defect Fixing (Defect analysis, route cause identification, Code change, testing, obtaining user confirmation and release process)
• Support tasks (Ticket analysis, data uploading, performance tuning, job monitoring, any analysis task, ReportGeneration and etc.,)
• Level 2 and Level 3 support (Support process adherence)
• Functional and technical or solution documentation preparation
• Execution will either be Waterfall or Agile
• The process needs to be followed as defined by RBEI or RBEI’s Customer
• Preparation & participation in the project status and review meeting

• Degree in Computer Science (BS/MS), related technical field or equivalent practical experience
• 8+ years of industry experience in product development
• Experience in coaching and mentoring team members
• Must own a specific component of the product. Gathering requirements by working with product management. Working closely with development managers in defining external product interfaces
• Must have excellent written and verbal communication skills. Must articulate various design approaches and design decisions clearly - within the team and across the teams.
• Must work with QA engineers to devise proper test constructs - unit testing and integration tests.

• Bachelor’s or master’s degree in Computer Engineering, Computer Science, Computer Applications, Mathematics, Statistics, or related technical field. Relevant experience of at least 3 years in lieu of above if from a different stream of education.

• Well-versed in and 3+ hands-on demonstrable experience with: ▪ Stream & Batch Big Data Pipeline Processing using Apache Spark and/or Apache Flink.
  ▪ Distributed Cloud Native Computing including Server less Functions
  ▪ Relational, Object Store, Document, Graph, etc. Database Design & Implementation
  ▪ Micro services Architecture, API Modeling, Design, & Programming

• 3+ years of hands-on development experience in Apache Spark using Scala and/or Java.

• Ability to write executable code for Services using Spark RDD, Spark SQL, Structured Streaming, Spark MLLib, etc. with deep technical understanding of Spark Processing Framework.

• In-depth knowledge of standard programming languages such as Scala and/or Java.

• 3+ years of hands-on development experience in one or more libraries & frameworks such as Apache Kafka, Akka, Apache Storm, Apache Nifi, Zookeeper, Hadoop ecosystem (i.e., HDFS, YARN, MapReduce, Oozie & Hive), etc.; extra points if you can demonstrate your knowledge with working examples.

• 3+ years of hands-on development experience in one or more Relational and NoSQL datastores such as PostgreSQL, Cassandra, HBase, MongoDB, DynamoDB, Elastic Search, Neo4J, etc.

• Practical knowledge of distributed systems involving partitioning, bucketing, CAP theorem, replication, horizontal scaling, etc.

• Passion for distilling large volumes of data, analyze performance, scalability, and capacity performance issues in Big Data Platforms.

• Ability to clearly distinguish system and Spark Job performances and perform spark performance tuning and resource optimization.

• Perform benchmarking/stress tests and document the best practices for different applications.

• Proactively work with tenants on improving the overall performance and ensure the system is resilient, and scalable.

• Good understanding of Virtualization & Containerization; must demonstrate experience in technologies such as Kubernetes, Istio, Docker, OpenShift, Anthos, Oracle VirtualBox, Vagrant, etc.

• Well-versed with demonstrable working experience with API Management, API Gateway, Service Mesh, Identity & Access Management, Data Protection & Encryption.

  Hands-on experience with demonstrable working experience with DevOps tools and platforms viz., Jira, GIT, Jenkins, Code Quality & Security Plugins, Maven, Artifactory, Terraform, Ansible/Chef/Puppet, Spinnaker, etc.

• Well-versed in AWS and/or Azure or and/or Google Cloud; must demonstrate experience in at least FIVE (5) services offered under AWS and/or Azure or and/or Google Cloud in any categories: Compute or Storage, Database, Networking & Content Delivery, Management & Governance, Analytics, Security, Identity, & Compliance (or) equivalent demonstrable Cloud Platform experience.

• Good understanding of Storage, Networks and Storage Networking basics which will enable you to work in a Cloud environment.

• Good understanding of Network, Data, and Application Security basics which will enable you to work in a Cloud as well as Business Applications / API services environment.

Job Title: Senior Java Developer

Department: Technology and Research

Reports to:  Technical Lead

Context

Sampana Digital (SDPL) (http://www.sampanadigital.com">www.sampanadigital.com)  is a digital technology company that provides end-to-end product engineering and digital transformation services. Our engineering services includes web & mobile application development, user experience design, cloud, testing and infrastructure managed services to transform businesses digitally. We also enable enterprises with contextual and personalized two-way multi-channel mobile communications, including SMS, voice, email and PWA technology.

We believe in small teams of smart, committed, and diverse individuals coming together and form a breakthrough insight. We are a team of passionate professionals to craft an unbeatable culture and services.

Come and join us!   

Role Description

We are looking for a Senior Java Developer with experience in building high-performing, scalable, enterprise-grade applications.

You will be part of a talented software team that works on mission-critical applications, and your roles and responsibilities include managing Java/Java EE application development while providing expertise in the full software development lifecycle, from concept and design to testing.

Job Responsibilities:

• Work with and direct the team’s software engineers in setting the standards for coding, testing and software quality
• Collaborate closely with the team’s BAs on the efficient transition of BDD’s and Swaggers to the engineers as part of the overall workflow.
• Oversee and manage the scope, timeline, and goals forth delivery of working software
• Oversee and assist in the production of comprehensive documentation
• Oversee and provide support to production cutovers and migrations as required
• Lead the analysis and resolution of technical and application problems
• Supporting the Scrum Master
• Participate in and support backlog grooming, sprint planning, daily stand-ups, reviews, retrospectives, release planning, demos and other Scrum related meetings
• Provide clear reporting on the status of the scope, timeline and progress for the delivery of working software
• Assist in setting up a robust out of hours support process
• Assist in the prioritisation of bugs and defects
• Providing Guidance and Mentoring
• Participate in peer reviews of solution designs and related code
• Provide technical leadership to the teams’ software engineers through coaching and mentorship
• Identify and encourage areas for growth, education and development within the team

General

• Self-Starting Leader capable or working under pressure
• Curious and engaged in Continuous Learning and Professional Development
• Strong DevOps experience
• Java and Spring Developer with +5 years’ experience with the following skills
• Java 1.8+
• Spring
• Microservices with Spring-boot
• Spring cloud config
• Unit tests with Spring-boot
• Docker
• Openshift/Kubernetes
• Basic understanding of API gateways
• OpenAPI (Swagger) specification.

Understanding of basic networking concepts

• Integration into backends via various protocols (SOAP,REST, XML-RPC etc) 
• CI/CD (Jenkins, pipelines etc)

The following additional skills would be advantageous:

• Spring reactive
• APIGEE
• Azure DevOps
• Pivotal Kubernetes
• Linux
• Azure Pipelines