Java Developer

Job Details

- Job Title: Lead I - Software Engineering - Java, J2Ee, Spring

- Industry: Technology

- Domain - Information technology (IT)

- Experience Required: 6-12 years

- Employment Type: Full Time

- Job Location: Bangalore

- CTC Range: Best in Industry

Job Description:

Role Summary:

We are looking for an experienced Senior Java Developer with expertise in building robust, scalable web applications using Java/J2EE, Spring Boot, REST APIs, and modern microservices architectures. The ideal candidate will be skilled in both back-end and middleware technologies, with strong experience in cloud platforms (AWS), and capable of mentoring junior developers while contributing to high-impact enterprise projects.

The developer will be responsible for full-cycle application development: from interpreting specifications and writing clean, reusable code, to testing, integration, and deployment. You will also work closely with customers and project teams to understand requirements and deliver solutions that optimize cost, performance, and maintainability.

Key Responsibilities:

Application Development & Delivery

• Design, code, debug, test, and document Java-based web applications aligned with design specifications.
• Build scalable and secure microservices using Spring Boot and RESTful APIs.
• Optimize application performance, maintainability, and reusability by using proven design patterns.
• Handle complex data structures and develop multi-threaded, performance-optimized applications.
• Ensure code quality through TDD (JUnit) and best practices.

Cloud & DevOps

• Develop and deploy applications on AWS Cloud Services: EC2, S3, DynamoDB, SNS, SES, etc.
• Leverage containerization tools like Docker and orchestration using Kubernetes.

Integration & Configuration

• Integrate with various databases (PostgreSQL, MySQL, Oracle, NoSQL).
• Configure development environments and CI/CD pipelines as per project needs.
• Follow configuration management processes and ensure compliance.

Testing & Quality Assurance

• Review and create unit test cases, scenarios, and support UAT phases.
• Perform defect root cause analysis (RCA) and proactively implement quality improvements.

Documentation

• Create and review technical documents: HLD, LLD, SAD, user stories, design docs, test cases, and release notes.
• Contribute to project knowledge bases and code repositories.

Team & Project Management

• Mentor team members; conduct code and design reviews.
• Assist Project Manager in effort estimation, planning, and task allocation.
• Set and review FAST goals for yourself and your team; provide regular performance feedback.

Customer Interaction

• Engage with customers to clarify requirements and present technical solutions.
• Conduct product demos and design walkthroughs.
• Interface with customer architects for design finalization.

Key Skills & Tools:

Core Technologies:

• Java/J2EE, Spring Boot, REST APIs
• Object-Oriented Programming (OOP), Design Patterns, Domain-Driven Design (DDD)
• Multithreading, Data Structures, TDD using JUnit

Web & Data Technologies:

• JSON, XML, AJAX, Web Services
• Database Technologies: PostgreSQL, MySQL, Oracle, NoSQL (e.g., DynamoDB)
• Persistence Frameworks: Hibernate, JPA

Cloud & DevOps:

• AWS: S3, EC2, DynamoDB, SNS, SES
• Version Control & Containerization: GitHub, Docker, Kubernetes

Agile & Development Practices:

• Agile methodologies: Scrum or Kanban
• CI/CD concepts
• IDEs: Eclipse, IntelliJ, or equivalent

Expected Outcomes:

• Timely delivery of high-quality code and application components
• Improved performance, cost-efficiency, and maintainability of applications
• High customer satisfaction through accurate requirement translation and delivery
• Team productivity through effective mentoring and collaboration
• Minimal post-production defects and technical issues

Performance Indicators:

• Adherence to coding standards and engineering practices
• On-time project delivery and milestone completion
• Reduction in defect count and issue recurrence
• Knowledge contributions to project and organizational repositories
• Completion of mandatory compliance and technology/domain certifications

Preferred Qualifications:

• Bachelor’s or Master’s degree in Computer Science, Engineering, or related field
• Relevant certifications (e.g., AWS Certified Developer, Oracle Certified, Scrum Master)

Soft Skills:

• Strong analytical and problem-solving mindset
• Excellent communication and presentation skills
• Team leadership and mentorship abilities
• High accountability and ability to work under pressure
• Positive team dynamics and proactive collaboration

Skills

Java, J2Ee, Spring

Must-Haves

Java, J2Ee, Spring

Machine Learning + Aws+ (EKS OR ECS OR Kubernetes) + (Redshift AND Glue) + Sagemaker

NP: Immediate – 30 Days

Mandatory Skills

• Backend: Java, Spring Boot
• Frontend: Angular
• Database: Oracle / SQL
• Node js

Job Description

Contribute to all software-development life-cycle phases including: domain and non-domain problem analysis, solution requirement gathering and analysis, solution design, implementation, code review, source-code control, source building deployment, validation, QA support, and production support.

Essential Duties and Responsibilities

•⁠ ⁠Maintain and enhance multi-tier messaging application suites (Java EE, Springframework, WAS, Oracle, DB2, MQ)

•⁠ ⁠Build and maintain IRIS4Health middle-tier message applications (IRIS Interop/Cache; Java, Drools, Kafka, Restful, MLLP, SQL)

•⁠ ⁠Build and maintain multi-tier Clinical Toxicology application (Angular, Java EE, Springframework, WAS, RHOS, Cache, SQL)

•⁠ ⁠Maintain stat-tracking application (two-tier Delphi, MySQL)

•⁠ ⁠Maintain and enhance Cytogenetics three-tier application (Java EE, WAS, DB2, Oracle, SQL, )

•⁠ ⁠Maintain and enhance Fibrosure application (Java EE, WAS, Derby)

•⁠ ⁠Define develop, validate, and release software products via agile processes for small and large projects

•⁠ ⁠Support applications and people via Kanban processes

•⁠ ⁠Collaborate with laboratory users to analyze problems, design and implement solutions for enterprise systems

•⁠ ⁠Provide support and troubleshooting of production systems according to an on-call schedule

•⁠ ⁠Document problem analysis, solution design, implementations, and system support guidelines

•⁠ ⁠Coach and train team members across lab system organizations to support and develop Java applications

•⁠ ⁠Communicate effectively and constructively with developers, QA, business analysts, and system users

•⁠ ⁠Design and depict via UML relational DB table models, object-oriented class models, messaging models, configuration models

•⁠ ⁠Understand, document, support, and improve inherited code and processes

•⁠ ⁠Help document knowledge and discovery with peer developers

Minimum Requirements

•⁠ ⁠Solid Java EE experience (Servlets, JMS, JSP, EJB, JCA, and JPA) development and support

•⁠ ⁠Solid InfoSystems Cache/IRIS for Health development and support

•⁠ ⁠A minimum of 1 years of JPA/ORM (Hibernate), Junit, XML/XSD, JSON experience or equivalent

•⁠ ⁠Solid SQL (and optionally PLSQL) experience

•⁠ ⁠Experience with Oracle DB including explain plan and or other query optimization techniques/tools

•⁠ ⁠Excellent verbal and written communication skills

•⁠ ⁠Strong UML modeling, ER and OO design, and data-normalization techniques

•⁠ ⁠Strong code-factoring philosophies and techniques

•⁠ ⁠Eclipse or NetBeans (or equivalent) IDE

•⁠ ⁠Strong understanding of client/server design, and smart recognition of separation-of-concern like functional behavior versus non-functional performance

Desired Requirements

•⁠ ⁠Java EE, Angular

•⁠ ⁠InfoSystem's Cache and/or IRIS for Health

•⁠ ⁠Springframework

•⁠ ⁠Modern deployment architectures using containers, API Gateways, load balancers, and AWS cloud based environments

•⁠ ⁠WebSphere or WebLogic, RHOS

•⁠ ⁠RESTful Web Services

•⁠ ⁠JMS interfacing, Apache Kafka, and IBM MQ

•⁠ ⁠Node.js/NPM, Bootstrap, or similar frameworks

•⁠ ⁠Git/BitBucket (git flow), Maven, Nexus, UCD, Jira (Kanban and SCRUM), agile workflow

•⁠ ⁠Unix shell script, DOS script

•⁠ ⁠SQL (optionally PLSQL)

•⁠ ⁠Design patterns

•⁠ ⁠HTML5, CSS3, and TypeScript development

•⁠ ⁠Ability to transform specific domain requirements into generalized technical requirements, and design and implement abstract solutions that are understandable and scalable in performance and reuse

•⁠ ⁠HL7 and/or Healthcare and/or Clinical Toxicology

•⁠ ⁠Oracle, MySQL, Derby DB

- Good understanding of NODE JS back-end development

- Strong understanding of Node.js and frameworks available for it

- Understanding of front-end technologies, such as React/Angular, HTML and CSS3
-Solid understanding of object-oriented development and design patterns.

- Good experience with AJAX, REST and JSON

- Experience with development practices such as Test-Driven Development and Continuous Integration
-Experience in Version Control Systems like GIT, Bitbucket
- Must have good problem solving and analytical skills.

- Must be a team player, having good communication skills, self-starter

- Ability to pick up new technology is needed.

Job Description for Technical Lead

About Quantum:

 We are a product innovation company that supports the Transportation and Shipping industries to overcome their business challenges and be leaders in Digital Transformation. Our strength is the in-depth knowledge we hold of the Transportation and Shipping landscape. Our journey began when we started simplifying the complexities of these businesses as far back as 2003. At the core, we aspire to impact great changes in the Transportation business through our inventions & technology. We are based in Bangalore.

Job role:

·        Job role: Team lead / Technical lead

·        Educational qualification: ME/MTech-Computer Science ,BE/BTech - Computer Science,

·        Age : 30 to 40 years

·        Job location: Koramangala, Bangalore. We work from the Office.

·        Years of experience: 8 to 12 years

·     

Core skill required:

• In-depth knowledge of Angular 8 or above , Typescript, JavaScript , HTML, and CSS
• Should have adequate knowledge of API Development Technologies to guide the Team to develop the API code and get it tested
• Excellent communication and interpersonal skills, with the ability to lead and mentor technical teams

Primary skills:

·        6+ years of experience in .NET Framework like C#, dotnet core, Angular 8+ version, Type Script

·        Minimum 5 years of experience on Web Application development HTML, CSS, JavaScript/JQuery, Entity framework and Linq Queries

·        Been on a Lead role and led a team of 3-5 people for a period of 1 - 2 years

·       

Company location:

Quantum BSO and Tech Pvt. Ltd, 3rd Floor, Ahad Pinnacle, #80, 5th Main, 2nd Cross, 5th Block,, Koramangala Industrial Area, Bengaluru, Karnataka 560095.

• Minimum 2years working experience in Application development using Angular 5/6.
• Strong proficiency in JavaScript and the JavaScript object model, JS MVC frameworks, redux such as Angular5/6, State Management With NgRx(Required).
• RestAPI Integration via Http,
• ThirdParty Integrations (Angular Material or PrimeNG),
• Lazyloading ( custom preloading Strategy ),
• Validation,
• Reactive Architecture ( RxJs Observables & Operators )
• Unit Testing (*not mandatory but would be a plus),

Responsibilities and Duties

• Be part of a full team delivering a complete front-end application
• Ensuring high performance on mobile and desktop
• Cooperating with the back-end developer in the process of building the RESTful API
• Develop/Design, implement, and test high-quality web applications in a cloud-based environment.
• Help brainstorm and plan new applications and web services.
• You will take ownership of technical problems and their resolution, including proactively
• Communicating with product managers, developers, architects, and the operations team.
• Provide accurate effort-estimates for deliverables.
• Be committed to the deadlines.