Java Developer Engineer

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.

Job Title: Associate Backend Engineer

Job Summary:

We are looking for an enthusiastic and motivated Associate Backend Engineer with 1 to 2 years of experience to join our growing engineering team. Whether you're a recent graduate or have some industry experience, this role offers a strong foundation to grow your skills in real-world backend development. You’ll work closely with experienced engineers and contribute to the design, development, and maintenance of scalable backend systems that power our products.

This position is ideal for individuals who are eager to learn, write production-grade code, and grow into a high-performing backend engineer.

Website: https://www.thealteroffice.com/about

Key Responsibilities:

• Assist in building and maintaining backend services and APIs for web and mobile applications.
• Work with both relational (MySQL, PostgreSQL) and NoSQL (MongoDB, Redis) databases for data modeling and storage.
• Write clean, maintainable, and well-documented code under guidance.
• Contribute to authentication, authorization, and other core backend features.
• Collaborate with cross-functional teams including product, frontend, and QA to deliver complete features.
• Participate in code reviews and incorporate feedback to improve code quality.
• Debug issues, write unit/integration tests, and help maintain service reliability and performance.
• Learn to work with CI/CD pipelines, version control (Git), and deployment workflows.
• Use tools like Docker, basic cloud services (AWS/GCP/Azure), and optionally explore monitoring/logging tools.
• Explore new technologies such as GraphQL, WebSockets, or message queues (e.g., Kafka, RabbitMQ) when relevant.

Requirements:

• 1 to 2 years of backend development experience, including internships, academic projects, freelance, or open-source work.
• Familiarity with at least one backend programming language (e.g., Python, Java, Go, JavaScript, etc.).
• Basic understanding of RESTful APIs, HTTP, databases, and server-side logic.
• Exposure to SQL and NoSQL databases and understanding of CRUD operations.
• Familiarity with Git and fundamental development workflows.
• Willingness to learn and apply best practices in scalability, security, and asynchronous programming.
• Strong problem-solving mindset and eagerness to take feedback and grow.
• Good communication and collaboration skills in a team environment.

• Strong hands-on code development experience in JAVA 14+, Restful Service, Spring Boot, JDBC Template.
• Experience in SQL scripting
• Experienced in developing and deploying web applications using Spring MVC and Spring boot.
•  Hands on experience in one of the IDE’s – Eclipse or IntelliJ
• Experience with Tools- Maven, Jenkins
• Experience in entire software development life cycle from analysis, coding, testing, debugging and publishing using GIT
•  AWS Services will be an added advantage
• Experience Kafka, K8s and Containers will be an added advantag.

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

oin us and be a part of a company that thrives on creativity, technology, and excellence. 

CHANCE TO WORK WITH APPS WITH 10LAKH CONCURRENT USERS IN GAMING INDUSTRY 

Role Description 

• You are a champion at Code reviews and Unit/Mock/integration Tests 
• You have a strong sense of ownership of what you design and deploy 
• You provide strong technical mentorship to team members 
• You are an excellent team player 
• You continuously learn and improve 

We are seeking a highly motivated and experienced Senior Java Software Engineer to join our team. In this role, you will lead and manage software development projects across diverse domains such as Gaming, Banking, Fintech, Fantasy Sports, IT, E-commerce, Logistics, Healthcare, and On-Demand Services. You will be responsible for ensuring the successful delivery of projects, meeting deadlines, and exceeding client expectations. 

Skill Sets 

• Excellent Programmer: in Java Intermediate (Collections, Polymorphism, Design Patterns) to Expert level (Annotations, Lambda, Streaming, Concurrency) 
• Startup Experience: Proven ability to take extreme ownership of results, with a history of leaving a lasting impact on the business. 
• Relevant Experience: At least 6-10 years of experience demonstrated the ability to develop resilient, high-performance, and scalable code tailored to application usage demands. 
• Java Framework Expertise: Significant experience in designing and building Java microservices with VERT.X, SPRING BOOT, with proficiency in Java. 
• REST API & GraphQL: Hands-on expertise in development API endpoints with RESTful & GraphQL approach, also non-REST frameworks like gRPC over Thrift or Protobuf Nuances of TCP, UDP, HTTP, HTTP2, SSL, Thorough understanding of designing distributed systems without single point of failures 
• Cloud Proficiency: Strong understanding and hands-on experience of building applications deployed on the cloud using Google Cloud Platform or Amazon Web Services (AWS), Docker, and Kubernetes, Experience writing batch/cron jobs using Python and Shell scripting. 
• Containerization & Orchestration: Experience with containerization technologies like Docker and orchestration tools like Kubernetes. 
• Time & Space Complexity: if methods you write are in the traffic request path, you know how to avoid unacceptable time complexity & space complexity. 
• Database Knowledge: Strong experience with Data Structures & Algorithms working with MongoDB, PostgreSQL, MySQL, Redis, ElasticSearch, and other similar databases, ability to choose the right data store for the given requirements Relational, Graph, Object, Document, Columnar, Key-Value. Experience with Redis, Memcache, EHCache, Hazelcast, Aerospike 
• Messaging Systems: Proficiency in working with RabbitMQ, BullMQ & others 
• Agile Practices: At least a few years of experience practicing the SCRUM framework, collaborating with scrum masters, product owners, and other stakeholders. 
• Collaboration & Communication: A team player who thrives in a remote, collaborative environment. 
• Communication Skills: Strong verbal and written communication skills. 
• Solutions-Oriented: Comfortable with the fast pace of startup life and adept at finding solutions to challenges. 

Responsibilities 

• Scalable Architecture: Lead the design and development of scalable architecture to ensure efficient performance and reliability of web and mobile applications. 
• Informed Decisions: Make informed architectural decisions that align with both current and future business needs. 
• Security & Privacy: Ensure security and privacy considerations are integrated into the selection of solutions and coding of back-end services and API endpoints. 
• Code Quality & High Standards: Uphold high standards of code quality through regular reviews, maintaining best practices in programming. 
• Robust Testing: Implement robust testing strategies to ensure code reliability and performance. 
• Backend Development: Design, develop, and deploy backend services and APIs using VERT.X, SPRING BOOT Java and AWS technologies. 
• NoSQL Expertise: Effective schema design and data modeling for NoSQL databases, ideally MongoDB, including robust indexing strategies. 
• Technical Debt Management: Monitor and control technical debt to ensure it does not compromise application scalability or performance. 
• Task Planning: Collaborate with the PM and BA to plan and delegate tasks efficiently among backend team members, ensuring clear objectives and timelines. 
• User Requirements: Support the PM, BA team in identifying and analyzing user requirements to ensure development aligns with user expectations and project scope. 
• Systems Thinking: Apply systems thinking to align with broader business objectives. 
• Autonomy: Get things done independently without supervision and without creating future issues. 
• Simplicity: Strive for simplicity in solutions and code. 
• Proactive Problem Solving: Fix problems, even those outside your immediate responsibility. 
• Solution-Oriented: Focus on providing solutions to problems, not just writing code. 

Life@Sciflare:  

• An exciting & lively workplace gives you the chance to work in an environment where you may unleash your creativity and inventiveness to the best extent possible. 
• Work in a collaborative setting where your cooperative team contributes new perspectives to your objectives and forges strong bonds. 
• Growth mindset: You are nurtured through each stage of your professional advancement by learning and unlearning new things. 

· Participate in the entire application lifecycle, focusing on coding and debugging

· Write clean code to develop functional web applications

· Troubleshoot and debug applications

· Perform UI tests to optimize performance

· Manage cutting-edge technologies to improve legacy applications

· Collaborate with Front-end developers to integrate user-facing elements with server- side logic

· Gather and address technical and design requirements

· Provide training and support to internal teams

· Build reusable code and libraries for future use

· Liaise with developers, designers and system administrators to identify new features

· Follow emerging technologies

Requirements:  

Experience with Hybris 6.x/ 1905/ 2005 with knowledge of Hybris B2C-ACCELERATOR/HYBRIS -B2B-ACCELERATOR, Hybris back- office, Hybris Frontend WCMS cockpit, product cockpit, Hybris core, Hybris Commerce, Hybris Search, Hybris OCC, Solr Customization  

Experience working on core Java, JSP/Servlets, JEE, Spring, Services (SOAP, REST), Design Patterns, Apache, Tomcat, Build Tools- Ant/Maven/Jenkins, SCM Tools - CVS/SVN/ GIT Hub • Knowledge of one or more modules HYBRIS-PIM, HYBRIS-PROMOTIONS, HYBRIS-OMS, HYBRIS -TRAVEL-ACCELERATOR 

Additional skills in SOA, ESB, JMS • Knowledge of high-quality professional software engineering practices for agile software development cycle, including coding standards, code reviews, source control management, build processes, testing, and deployment.  

Experience in eCommerce/Hybris payment integration, 3rd Party integration development.  

Preferable to have development experience in Spartacus Hybris module. 

Preferable to have exposure to Azure cloud (Hybris CCV2)  

Fundamental knowledge of design patterns.  

Experience in communicating effectively with users, other technical teams, and management to collect requirements, describe software product features and technical designs  

Passionate about building great solutions 

Mentoring the team members to meet the clients needs and holding them accountable for high standards of delivery  

Willing to work in Shifts to support Production environment and Samsung.com Global eCommerce client requests.  

Being able to understand and relate technology integration scenarios and be able to apply these learnings in complex troubleshooting scenarios 

Hybris Platform Development experience of 3-10 yrs.