Senior Systems Developer - JAVA

Java Developer – Job Description 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. - 4 to 7 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. About Wissen Technology: Wissen Technology is a niche global consulting and solutions company that brings unparalleled domain expertise in Banking and Finance, Telecom and Startups. Wissen Technology is a part of Wissen Group and was established in the year 2015. Wissen has offices in the US, India, UK, Australia, Mexico, and Canada, with best-in-class infrastructure and development facilities. Wissen has successfully delivered projects worth $1 Billion for more than 25 of the Fortune 500 companies. The Wissen Group overall includes more than 4000 highly skilled professionals. Wissen Technology provides exceptional value in mission critical projects for its clients, through thought leadership, ownership, and assured on-time deliveries that are always ‘first time right’. Our team consists of 1200+ highly skilled professionals, with leadership and senior management executives who have graduated from Ivy League Universities like Wharton, MIT, IITs, IIMs, and NITs and with rich work experience in some of the biggest companies in the world. Wissen Technology offers an array of services including Application Development, Artificial Intelligence & Machine Learning, Big Data & Analytics, Visualization & Business Intelligence, Robotic Process Automation, Cloud, Mobility, Agile & DevOps, Quality Assurance & Test Automation. We have been certified as a Great Place to Work® for two consecutive years (2020-2022) and voted as the Top 20 AI/ML vendor by CIO Insider. 

Shift timings : Afternoon

Job Summary

We are seeking an experienced Senior Java Developer with strong expertise in legacy system migration, server management, and deployment. The candidate will be responsible for maintaining, enhancing, and migrating an existing Java/JSF (PrimeFaces), EJB, REST API, and SQL Server-based application to a modern Spring Boot architecture. The role involves ensuring smooth production deployments, troubleshooting server issues, and optimizing the existing infrastructure.

Key Responsibilities

● Maintain & Enhance the existing Java, JSF (PrimeFaces), EJB, REST API, andSQL Server application.

● Migrate the legacy system to Spring Boot while ensuring minimal downtime.

● Manage deployments using Ansible, GlassFish/Payara, and deployer.sh scripts.

● Optimize and troubleshoot server performance (Apache, Payara, GlassFish).

● Handle XML file generation, email integrations, and REST API maintenance.

● Database management (SQL Server) including query optimization and schema updates.

● Collaborate with teams to ensure smooth transitions during migration.

● Automate CI/CD pipelines using Maven, Ansible, and shell scripts.

● Document migration steps, deployment processes, and system architecture.

Required Skills & Qualifications

● 8+ years of hands-on experience with Java, JSF (PrimeFaces), EJB, and REST APIs.

● Strong expertise in Spring Boot (migration experience from legacy Java is a must).

● Experience with Payara/GlassFish server management and deployment.

● Proficient in Apache, Ansible, and shell scripting (deployer.sh).

● Solid knowledge of SQL Server (queries, stored procedures, optimization).

● Familiarity with XML processing, email integrations, and Maven builds.

● Experience in production deployments, server troubleshooting, and performance tuning.

● Ability to work independently and lead migration efforts.

Preferred Skills

● Knowledge of microservices architecture (helpful for modernization).

● Familiarity with cloud platforms (AWS/Azure) is a plus.

Your Impact:

•                 Implements Digital Consumer experiences based on a foundation of SFCC (Salesforce commerce cloud) to meet expected quality standards

•                 Ensures functional requirements and high-level solution designs are understood and are translated into detailed technical design

•                 Implement proofs of concept to prove any new technologies, application flows or integration scenarios and identify customizations needed to SFCC platform for meeting client requirements

•                 Guides the performance tuning and scalability of the ecommerce solution

•                 Diagnose and solve technical problems during implementation and support phases

Your Skills & Experience:

•                 1-3 Years with 2+ years of implementing commerce application on any eCommerce platform in last 3 years

•                 If you have not worked in eCommerce platform, we can still discuss with you if you are expert in Java/.Net and understand REST/SOAP webservices.

•                 Demonstrate proficiency in build and release management using CI/CD strategies (leveraging tools like Jenkins and DevOps practices), implement Mocha/Chai unit and functional test cases in order to reduce costs while ensuring quality

•                 Contributes to designing, implementing and documenting the build release process as well as system configuration and deployment characteristics of the applications

•                 Participates in technical walkthroughs/ code reviews of other team members’ components, test plans and results and help them with gaps

•                 Collaborate with architect to define implementation processes and quality gates and standards

•                 Identifies risks and issues, and help monitor them

•                 Guides the development of reference and resource materials

•                 Mentors developers in improving their platform knowledge and development skills

•                 Communicate technical design to the developers and help/guide them in the implementation

•                 Participates in Agile sprints

Set Yourself Apart With:

•                 eCommerce platform certification

Egnyte is seeking an experienced Sr. Software Engineer to join our Software Engineering (Infrastructure) group. The Software Engineering (Infrastructure) group builds large distributed components and services that run Egnyte’s Cloud Platform. Our code serves billions of requests per day with sub-second latency in a fault-tolerant environment. Some of the responsibilities for this group include Egnyte’s Cloud File System, Object Store, Metadata Stores, Search Systems, Recommendations Systems, Synchronization, and intelligent caching of multi-petabyte datasets. We are looking for candidates with a shared passion for building large-scale distributed systems and a keen sense for tackling complexities that come with scaling through multiple orders of magnitude.

What You’ll Do (but is not limited to)

• Design and develop highly-scalable elastic cloud architecture that seamlessly integrates with on-premises systems
• Challenge and redefine existing architectural fundamentals in order to provide next level of performance and scalability; ability to foresee post-deployment design challenges, performance and scale bottlenecks
• Work with multicultural, geographically distributed teams and closely coordinate with cross-functional teams in multiple time zones.
• Deliver enterprise-grade products to customers and continuously work with engineering team to refine products in the field
• Mentor interns and junior engineers, collaborate with Operations, and work closely with CTO on roadmap items
• Extensive penetration testing to ensure security across a hybrid deployment between public/private cloud
• Monitor and manage 3,000+ nodes using modern DevOps tools and APM solutions
• Proactive performance and exception analysis

Your Qualifications

• 5+ years of relevant industry work Experience
• Demonstrated success designing and developing complex systems
• Expertise with multi-tenant, highly complex, cloud solutions
• Experience owning all aspects of software engineering, from design to implementation, QA and maintenance.
• Experience with the following technologies: Java, SQL, Linux, Python, HBase/BigTable
• Data driven decision process
• Relies on unit testing instead of manual QA
• Knowledge of DevOps techniques
• BS or MS degree in Computer Science or related field

Bonus Skills

• Experience with Hybrid and/or on-premises solutions 
• Experience in working with AWS or GCP
• Experience with the following technologies:, Nginx, Haproxy, BigQuery, New Relic, Graphite, and/or Puppet
• Security / Governance expertise

About Egnyte

In a content critical age, Egnyte fuels business growth by enabling content-rich business processes, while also providing organizations with visibility and control over their content assets. Egnyte’s cloud-native content services platform leverages the industry’s leading content intelligence engine to deliver a simple, secure, and vendor-neutral foundation for managing enterprise content across business applications and storage repositories. More than 16,000 customers trust Egnyte to enhance employee productivity, automate data management, and reduce file-sharing cost and complexity. Investors include Google Ventures, Kleiner Perkins, Caufield & Byers, and Goldman Sachs. For more information, visithttp://www.egnyte.com/"> http://www.egnyte.com/">www.egnyte.com

• Candidate Should have 5+ Years Of Experience in Core Java
• You will need strong development skills to work on and improve our Scala-based services, and be able to work together with senior teammates to create appropriate architectural design and ensure all aspects are appropriate to meet the business need.
• Excellent Functional Design and Functional Programming skills (more than 2 years of business experience in Scala and Java projects, respectively)
• Core skills in key supporting technologies and/or frameworks such as Play (AKKA) / Lagom
• Proven experience working in teams in the successful delivery of complex, performant and high quality products
• Excellent spoken and written communication skills
• Experience of SaaS (Software as a Service) environments
• Exposure to RESTful web APIs and a service oriented architecture
• Experience in Linux environments, Shell scripting etc
• Working with XML and JSON including parsing, asserting / matching and extracting
• Experience with Continuous Integration environments and build tools, including Terraform, Jenkins, Maven, Gradle and Ant
• Experience with messaging systems such as Apache Kafka, Amazon Kinesis, Amazon SQS and Rabbit MQ
• Experience working on Live platform SDKs such as Twilio, AWS Elemental

• 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.

• You will build cutting-edge secure and scalable systems by writing simple and efficient code.
• You will own the backend development for one or more of our modules and collaborate with architects, other engineers, and product managers to launch new products and/or iterate on existing features. You'll build and manage automated build/test/deployment environments
• Ensure high standards through code reviews, design reviews, architecture discussions
• You will ensure that the systems you oversee are secure, fault-tolerant, and are performing reliably at high volumes.

• Well-versed in data structures, algorithms, and software design. Programming experience with at least one of Java or Python and object-oriented design
• Knowledge of SQL, NoSQL databases, Messaging/Caching technologies, and AWS deployments is a plus
• Able to write unit integration tests with coverage of code & interfaces. TDD is a plus
• Exposure to the architecture and design (design patterns, security, reliability, and scaling) of new and current systems. Experience in building highly scalable business applications, which involve implementing large complex business flows involving multiple third-party integrations
• Prior startup experience is a plus