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

Key Responsibility Areas:

• Design, build and deliver Enterprise software solutions.
• Write code with standards and conventions and follow best practices.
• Encourage and lead innovation and solid lifecycle processes.
• Collaborate with development teams on work definition, estimation and prioritization
• Lead and grow as a professional software engineer.
• Full ownership of product deliveries and mentoring junior team members.
• Preparing curriculum to train junior developers for Java Web Development
• Strong client interactions to provide excellent Quality of Service.
• Owning the code base and making sure all code is reviewed and is of very high quality.
• Write and modify coding conventions and standards documents for all development

Required Skills:

Technologies/Frameworks – 

• Core Java, J2EE, 
• Spring Core and Spring MVC, Sprint Boot, Spring Security, 
• JDBC, Hibernate, RESTful APIs, SOAP WebServices
• Knowledge of JavaScript, JQuery, AJAX, HTML5, and CSS3, Angular is added advantage
• Junit or Mockito frameworks
• Maven, Git
• Knowledge Data Structures, 
• SQL, MySQL 
• Designing relational database schemas
• Basics of AWS, Cloud, Microservices

• Must have strong knowledge and experience in Agile based software development methodologies. Knowledge of an Agile tool like Jira.
• Strong knowledge of working in Integrations of 3^rd party APIs and creating the new APIs.
• Must have good knowledge of creating Flow diagrams, UMLs and all the required documentations.
• Domain Preference
• BFSI, FinTech

Job Description:

We are seeking an experienced Java Back-end Developer to join our team. The ideal candidate

will be responsible for designing, developing, and maintaining robust and scalable back-end

solutions using Java and related technologies. The Back-end Developer will work closely with

cross-functional teams to deliver high-quality software solutions that meet our business needs.

Responsibilities:

 Design, develop, and maintain Java-based back-end applications, services, and APIs.

 Write efficient, reusable, and well-documented code following industry best practices

and coding standards.

 Collaborate with front-end developers, product managers, and other stakeholders to

understand requirements and translate them into technical solutions.

 Implement and maintain database schemas, write complex SQL queries, and optimize

database performance using Oracle SQL.

 Develop and consume RESTful web services to enable seamless integration with

external systems.

 Utilize Spring framework and its various modules (e.g., Spring Boot, Spring Batch) for

building enterprise-level applications.

 Manage project dependencies and build processes using Maven.

 Work with version control systems such as Git for code management and collaboration.

 Perform unit testing, integration testing, and debugging to ensure the quality and

reliability of back-end components.

 Stay updated on emerging technologies, trends, and best practices in back-end

development.

Additional Requirements:

 Strong knowledge of application servers such as Tomcat and WebLogic.

 Experience with continuous integration tools such as Jenkins.

 Familiarity with automated testing frameworks such as JUnit.

 Understanding of authentication and authorization mechanisms, including OAuth.

 Knowledge of SOAP web services and related technologies.

Requirements:

 Bachelor's degree in Computer Science, Engineering, or a related field.

 5 Plus years of experience in Java back-end development.

 Proficiency in Java programming language and related frameworks (e.g., Spring, Spring

Boot, Spring Batch).

 Strong understanding of object-oriented programming principles, data structures, and

algorithms.

 Experience with Oracle SQL and database design principles.

 Familiarity with RESTful web services and API development.

 Experience with build tools such as Maven.

 Knowledge of version control systems, particularly Git.

 Strong problem-solving skills and attention to detail.

 Excellent communication and collaboration skills.

 Ability to work effectively in a fast-paced, agile environment.

Preferred Qualifications:

 Experience with other databases such as MySQL, PostgreSQL, or MongoDB.

 Familiarity with continuous integration/continuous deployment (CI/CD) pipelines.

 Understanding of software development best practices and design patterns.

We're on a mission to make it possible for every person, team, and company to be able to tailor their software to solve any problem and take on any challenge. Computers may be our most powerful tools, but most of us can't build or modify the software we use on them every day. At Notion, we want to change this with focus, design, and craft.

We've been working on this together since 2016, and have customers like Pixar, Mitsubishi, Figma, Plaid, Match Group, and thousands more on this journey with us. Today, we're growing fast and excited for new teammates to join us who are the best at what they do. We're passionate about building a company as diverse and creative as the millions of people Notion reaches worldwide.

Millions of people use Notion — and this number is increasing every day. That means a million people trust us to deliver a fast, reliable, and secure experience, and we value this more than anything. We want to keep earning trust, while also continuing to amaze our users with the tools they can build in Notion. This is where you come in — to help us forge a performant and reliable path forward to the future.

• Write clean, secure, tested, and documented code.
• Design & enhance the Notion platform with new capabilities, as and when the need arises.
• Contribute to monitoring & scaling the architecture of the platform and the infrastructure.
• Write technical documentation, and contribute to determining internal processes.
• Contribute to recruiting of new backend employees

• 6+ years of experience building scalable platforms. 
• Good understanding of database (Relational Or Nosql) internals like transactions, indexes. Experience in schema design.
• 2+ years of experience working on the AWS platform, and acquaintance with technologies like Elastic Beanstalk, AWS Lambda, Elastic Load Balancer.
• Good understanding of docker internals.
• Good communication skills, good leadership skills, attention to detail, a sound understanding of algorithms, and object-oriented programming.

• You're proficient with any part of our technology stack: React, TypeScript, Node.js, Memcached, Postgres, Docker, and Elasticsearch.
• You've heard of computing pioneers like Ada Lovelace, Douglas Engelbart, Alan Kay, and others—and understand why we're big fans of their work.
• You have interests outside of technology, such as in art, history, or social sciences.

Our customers come from all walks of life and so do we. We hire great people from a wide variety of backgrounds, not just because it's the right thing to do, but because it makes our company stronger. If you share our values and our enthusiasm for small businesses, you will find a home at Notion.

Notion is proud to be an equal opportunity employer. We do not discriminate in hiring or any employment decision based on race, color, religion, national origin, age, sex (including pregnancy, childbirth, or related medical conditions), marital status, ancestry, physical or mental disability, genetic information, veteran status, gender identity or expression, sexual orientation, or other applicable legally protected characteristic. Notion considers qualified applicants with criminal histories, consistent with applicable federal, state and local law. Notion is also committed to providing reasonable accommodations for qualified individuals with disabilities and disabled veterans in our job application procedures. If you need assistance or an accommodation made due to a disability, please let your recruiter know.

Looking for someone who can join in a month's notice

Role- Java Developer

Location- Bangalore, Mumbai

Experience- 5-8 yrs

• 5-7 Yrs of experience building enterprise level applications  using Java Restful API’s, Spring(Core, aspect ,boot & batch) and related frame works.
• Development experience in core java
• Expertise in multi-tiered Java EE design and programming , solid understanding and multi-tiered web based applications
• Solid data structures and algorithm experience
• Strong expertise in all the following Java-based technologies
• Spring
• Hibernate Framework (integration layer and Web MVC)