Java full stack Developer

JOB DESCRIPTION

Experience: 3-8 years

Wissen Technology is now hiring for a Java Developer - Bangalore with hands-on experience in Core Java, algorithms, data structures, multithreading and SQL. We are solving complex technical problems in the industry and need talented software engineers to join our mission and be a part of a global software development team. A brilliant opportunity to become a part of a highly motivated and expert team which has made a mark as a high-end technical consulting. 

Required Skills:

• Exp. - 3-8 years
• 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 client- facing applications.
• Good development experience with RDBMS.
• Good knowledge of multi-threading and high-performance server-side development.
• Basic working knowledge of Unix/Linux.
• Excellent problem solving and coding skills.
• Strong interpersonal, communication and analytical skills.
• Should have the ability to express their design ideas and thoughts.

Senior Software Engineer – Retail Platforms (GCP | Java/Kotlin | MongoDB)

Location

 Kochi or Chennai or Bangalore ,willing to work on Bangalore

Role Overview

We are looking for a Senior Software Engineer to build and scale next-generation

retail and eCommerce platforms. The role focuses on developing cloud-native, high-

performance backend systems that power customer journeys, order management,

product catalogue, and real-time retail operations.

The ideal candidate will have strong expertise in Java/Kotlin, and MongoDB, along

with experience in GCP, React JS and high-scale, customer-facing applications.

Key Responsibilities

 Design and develop scalable backend systems for eCommerce platforms

 Ensure high availability and low latency for retail workloads

 Enable auto-scaling and high-availability architectures for peak retail

traffic

 Develop and manage microservices architecture for modular retail systems

Required Skills & Qualifications

 4–8 years of experience in backend development

 Strong proficiency in Java and Kotlin.

 Knowledge in Google Cloud Platform (GCP) , React JS and MongoDB /

NoSQL databases (Preferred).

 Experience in eCommerce or retail platforms .

 Strong understanding of microservices and event-driven architecture.

 Experience with REST APIs and distributed systems.

 Familiarity with Docker, Kubernetes, and CI/CD pipelines .

 Understanding of retail analytics and customer behaviour .

 Write clean, maintainable, and testable code

 Ensure adherence to security and data protection standards

DevOps & Release Engineering

 Implement CI/CD pipelines for faster releases

 Use Docker and Kubernetes for containerized deployments

Soft Skills

 Strong collaboration and communication skills

 Strong problem-solving and analytical mindset

 Ability to work in fast-paced, high-scale environments

 Customer-first thinking

What We Offer

 Opportunity to work on large-scale retail and eCommerce platforms

 Exposure to high-traffic, real-time systems

 Collaborative and innovation-driven environment

 Career growth in cloud-native and retail technologies

Required Skill Set

Software Engineer/Senior Software Engineer/Lead Engineer-Java

• Experience in Core Java 8.0 and above, Data Structures, OOPS, Multithreading, Algorithms, Collections, Unix/Linux
• Possess good architectural knowledge and be aware of enterprise application design patterns.
• Should have the ability to analyse, design, develop and test complex, low-latency client-facing applications.
• Good development experience with RDBMS
• Good knowledge of multi-threading and high volume server side development
• Basic working knowledge of Unix/Linux
• Excellent problem solving and coding skills in Java
• Strong interpersonal, communication and analytical skills.
• Should have the ability to express their design ideas and thoughts.

Responsibilities

• Understand product requirements and come up with solution approaches
• Build and enhance large scale domain centric applications
• Deploy high quality deliverables into production adhering to the security, compliance and SDLC guideline.

About Telstra:

Telstra is Australia’s leading telecommunications and technology company, with operations in more than 20 countries. At Telstra, We've implemented an IT strategy that employs leading-edge software engineering practices to help deliver a superior customer experience with improved trust and speed of delivery, lower cost, and simplified architecture, systems and processes.

Your key responsibilities and major tasks include, but are not limited to

• As a backend Java developer, you will work within a specific problem space critical to Telstra’s current needs where you will design, develop, and deploy backend services with a focus on scalability, high availability, and low latency.
• Review and integrate all application requirements, including functional, security, integration, performance, quality, and operations requirements.
• Apply engineering best practices such as Agile, CI/CD, and DevOps as part of a high performing motivated team.
• Collaborate and grow in a dynamic and autonomous environment while working in small, agile, and cross functional teams
• Pivot to working on new features and developments, to providing production support in the production and pre-production environments assisted by all team members. This responsibility is equally shared by all members of the team.
  
  

We are looking for candidates with the following experience and skills:

Essential skills and Experience

• 3 years – 7 years year experience in this area
• Must have strong Java programming background (preferably Java 8+)​
• Preferred Frameworks – Spring Boot​
• Unit Testing, Integration testing and Automated testing. ​
• Experience with Continuous Integration/Deployment​
• Microservices development – HTTP, REST API​ design and implementation​
• Comfortable to operate in an agile, dynamic environment​.

• 4 year degree or equivalent experience
• 8 to 13 years of software development experience 
• Demonstrates broad and deep expertise in any programming languages(Java, GoLang) and open source frameworks (e.g., Spring Boot, Micronut).
• Designs, develops, and approves end-to-end functionality of a product line, platform, or infrastructure and microservices.
• Must have exposure to at least one cloud product/platform development.
• Working knowledge of any one client side framework like ReactJS or Angular, etc.
• Should have exposure to one or more databases like Cassandra, MongoDB, Graph, Redis, Elastic Search and Postgres.

•  5+ years of experience developing web applications using J2EE.
•  5+ years of experience in Spring Boot.
•  Good knowledge of MicroServices.
•  Experience working with tools like Git, Maven.
•  Expertise developing enterprise-level web applications and RESTful APIs using MicroServices, with demonstrable production-scale experience.
•  Working experience in Industry Standard protocols related API Security including OAuth is a must.
•  Demonstrate strong design and programming skills using JSON, Web Services, XML, XSLT, PL/SQL in Unix and Windows environments.
•  Strong background working with Linux/UNIX environments.
•  Strong Shell scripting experience.
•  Working knowledge with Oracle, DB2 or Mongo DB databases.
•  Passion to stay on top of the latest happenings in the tech world and an attitude to discuss and bring those into play.
•  Strong agile/scrum development experience
•  Strong collaboration and communication skills within distributed project team
•  Excellent written and verbal communication skills