Java Developer

About Unilog

Unilog is the only connected product content and eCommerce provider serving the Wholesale Distribution, Manufacturing, and Specialty Retail industries. Our flagship CX1 Platform is at the center of some of the most successful digital transformations in North America. CX1 Platform’s syndicated product content, integrated eCommerce storefront, and automated PIM tool simplify our customers' path to success in the digital marketplace.

With more than 500 customers, Unilog is uniquely positioned as the leader in eCommerce and product content for Wholesale Distribution, Manufacturing, and Specialty Retail.

Unilog’s Mission Statement

At Unilog, our mission is to provide purpose-built connected product content and eCommerce solutions that empower our customers to succeed in the face of intense competition. By virtue of living our mission, we are able to transform the way Wholesale Distributors, Manufacturers, and Specialty Retailers go to market. We help our customers extend a digital version of their business and accelerate their growth.

Job Details

• Designation: Principal Engineer – Solr
• Location: Bangalore / Mysore / Remote
• Job Type: Full-time
• Department: Software R&D

Job Summary

We are seeking a highly skilled and experienced Principal Engineer with a strong background in Apache Solr and Java to lead our Engineering and customer-led initiatives. The ideal candidate will be responsible for ensuring the reliability, scalability, and performance of our search platform while providing expert-level troubleshooting and resolution for critical production issues.

This role will involve designing the architecture for new platforms while reviewing and recommending better approaches for existing ones to drive continuous improvement and efficiency.

Key Responsibilities

• Lead Engineering and support activities for Solr-based search applications, ensuring minimal downtime and optimal performance
• Design and develop the architecture of new platforms while reviewing and recommending better approaches for existing ones
• Regularly work towards enhancing search ranking, query understanding, and retrieval effectiveness
• Diagnose, troubleshoot, and resolve complex technical issues in Solr, Java-based applications, and supporting infrastructure
• Perform deep-dive analysis of logs, performance metrics, and alerts to proactively prevent incidents
• Optimize Solr indexes, queries, and configurations to enhance search performance and reliability
• Work closely with development, operations, and business teams to drive improvements in system stability and efficiency
• Implement monitoring tools, dashboards, and alerting mechanisms to enhance observability and proactive issue detection
• Exposure to AI-based search using vector databases, RAG models, NLP, and LLMs
• Collaborate on capacity planning, system scaling, and disaster recovery strategies for mission-critical search systems
• Provide mentorship and technical guidance to junior engineers and support teams
• Drive innovation by tracking latest trends, emerging technologies, and best practices in AI-based Search, Solr, and other search platforms

Requirement

• 8+ years of experience in software development and production support with a focus on Apache Solr, Java, and databases (Oracle, MySQL, PostgreSQL, etc.)
• Strong understanding of Solr indexing, query execution, schema design, configuration, and tuning
• Experience in designing and implementing scalable system architectures for search platforms
• Proven ability to review and assess existing platform architectures, identifying areas for improvement and recommending better approaches
• Proficiency in Java, Spring Boot, and micro-services architectures
• Experience with Linux / Unix-based environments, shell scripting, and debugging production systems
• Hands-on experience with monitoring tools (e.g., Prometheus, Grafana, Splunk, ELK Stack) and log analysis
• Expertise in troubleshooting performance issues related to Solr, JVM tuning, and memory management
• Familiarity with cloud platforms such as AWS, Azure, or GCP and containerization technologies like Docker / Kubernetes
• Strong analytical and problem-solving skills, with the ability to work under pressure in a fast-paced environment
• Certifications in Solr, Java, or cloud technologies
• Excellent communication and leadership abilities

About Our Benefits

• Competitive salary
• Health insurance
• Retirement plan
• Paid time off
• Training and development opportunities

Wissen Technology is now hiring for a Java Developer

Location : Bangalore (The candidate must be based in Bangalore, as an in-person interview is a mandatory part of the selection process)

Notice Period: Immediate to Serving Notice Period & Up to 30 Days max

Skills: Hands-on experience in Core Java, Spring Boot, Microservices, Algorithms, Data Structure and SQL

Note: Bachelor's or Master's degree from a top-tier college or university is must.

Key Responsibilities:

• Design, develop, and test low-latency, high-volume client-facing applications.
• Develop and maintain enterprise-scale, n-tier applications for the investment banking/capital markets domain.
• Implement microservices-based solutions using Spring Boot and other modern frameworks.
• Work extensively with Core Java 5.0 and above, Spring Framework, and CXF
• Optimize applications for multi-threading and high-performance server-side development
• Collaborate with cross-functional teams to design and implement scalable, secure, and efficient solutions
• Work with RDBMS (preferably Sybase) to handle large-scale data processing.
• Develop and maintain applications on Unix/Linux environments
• Utilize enterprise application design patterns to build robust and scalable solutions.
• Troubleshoot and resolve complex technical issues while ensuring application stability and performance.

Required Skills & Experience:

• 1 to 6 years of hands-on experience in Java development
• Strong knowledge of microservices architecture and cloud-based deployment.
• Expertise in Spring Framework, Spring Boot, and CXF
• Experience in developing and optimizing applications for high-volume, multi-threaded environments
• Solid understanding of financial domain applications, sales, and trading platforms
• Proficiency in working with relational databases (Sybase preferred)
• Familiarity with Unix/Linux environments and shell scripting.
• Strong analytical, problem-solving, and communication skills.
• Ability to articulate and present design ideas effectively.
• Education: Bachelor's or Master's degree from a top-tier college or university is must.

Basic Qualifications:

• 2+ years of non-internship professional software development experience
• Programming experience with at least one modern language such as Java, C++, or C# including object-oriented design
• 1+ years of experience contributing to the architecture and design (architecture, design patterns, reliability and scaling) of new and current systems.

Additional Job requirements

• BS/MS/PhD in Computer Science/Math or equivalent
• BS in computer science or related field.
• 2+ years of relevant professional software development experience: designing, developing, and delivering software written in Java, C#, or C++, web development.
• Knowledgeable in object-oriented design patterns.
• Experience building highly scalable and distributed systems

Preferred Qualifications

• Experience with service-oriented architecture and application/services development
• Passion for performance debugging and benchmarking
• Ability to clearly and concisely communicate with technical and non-technical stakeholders across all levels of the organization

MUST HAVE SKILLS
- CORE JAVA & SQL

Desired Skills
Designing, implementing and delivering high quality Software project in JAVA, SQL / Oracle, J2EE and other JAVA technologies.

Job Responsibilities
Participate in detailed level in design, coding, code walk through, peer code reviews and unit testing,  System Testing, UAT, Demos, POCs, installation, maintenance of Software modules. 

❑ Ensures the preparation of the following: 

▪ Software prototype 

▪ System Architecture 

▪ Software Design Document 

▪ User interfaces to be developed as per UX guidelines 

▪ Code files ensuring coding guidelines followed 

▪ Code review artefacts during peer code review 

▪ Test plan and Test Cases 

▪ Installation / Deployment document 

▪ Release Document 

▪ Technical Documentation 

❑ Documents and demonstrates solutions by developing documentations, flowcharts, layouts, diagram, charts,  code. comments and clear code; Ensuring that project task are completed in defined effort and timelines ❑ Prepares and installs solutions by determining and designing system specifications, standards & programming. 

❑ Testing: Writing of test cases, unit testing, system testing, negative testing 

❑ Trouble shooting: Log analysis and database query optimization  

❑ Improves operations by conducting system's analysis. 

❑ Updates job knowledge by studying state of the art development tools, programming techniques & computing equipment; participates in educational opportunities, reads professional publications & maintains  personal networks.  

❑ Protects operations by keeping information confidential. 

❑ Provides information by collecting, analyzing and summarizing development and service issues.  ❑ Develops software solution by studying information needs, conferring with users, studding system flow,  data usage and work processes, investigating problem areas, following delivery cycle. 

Java
J2ee
working experience with one or more clouds

Understanding of design architecture

Experience with Traditional databases and nosql databases

Sound in Algorithms,data structures and problem solving 

Good at coding and design