java software engineer

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

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. 

Key Responsibilities

• Design, develop, and maintain full stack web applications using Java and Angular
• Build robust backend services using Java, Spring Boot, REST APIs
• Develop responsive and dynamic user interfaces using Angular, HTML, CSS, TypeScript
• Integrate frontend applications with backend services and databases
• Write clean, maintainable, and efficient code following best practices
• Participate in code reviews, testing, debugging, and performance tuning
• Collaborate with cross-functional teams (UI/UX, QA, DevOps, Product)
• Support application deployment and production issues

Required Skills & Qualifications

• Strong experience in Java (Java 8+)
• Hands-on experience with Spring Boot, Spring MVC, Spring Security
• Proficiency in Angular (Angular 8+), TypeScript
• Experience with RESTful APIs
• Good knowledge of HTML5, CSS3, JavaScript
• Experience with databases such as MySQL, PostgreSQL, Oracle, or MongoDB
• Familiarity with Git/GitHub, Maven/Gradle
• Understanding of SDLC and Agile methodologies
• 
  

Job Description: Software Engineering –Sr. Software Engineer

Key Responsibilities - Responsible for design, problem solving, develop, modify, debug and/or maintain software system for one or more specific modules within a large software system scope

Must have:

React JS, Java script, Jquery, JSP, Struts, Java, Spring Framework, Database

Preferred Skills/Experience:

• 7+ years of hands-on software development experience in designing and implementing complex, distributed applications.

Knowledge on front end technology is must such as React JS / Angular

• Knowledge and real time experience in Designing, Development, and Maintenance of Scalable, Distributed applications.

• Strong experience in Java, Spring Boot-based application on RDBMS (SQL Server ).

• Hands on experience with frameworks like ReactJS, AngularJS, NodeJS and designing Microservice/Event-driven architecture.

• Experience with cloud migration (AWS or Azure) and managing the development of cloud-based applications and development of APIs, web services.

• Capable of troubleshooting errors, finding root causes, resolving failures in real time.

• knowledge of Relational Databases, SQL and ORM Technologies(Hibernate, JPA, Spring Data).

• Experience with version control and source code management tools such as Git, GitHub and Bitbucket.

• Thorough understanding of Java and J2EE Internals (Class Loading, Memory Management, Transaction Management.).

• Knowledge on creation of CI/CD pipelines using Jenkins, Groovy and GitHub actions workflows.

• Knowledge on working and leading Agile/Scrum development cycles.

• Implement test cases using Junit, Mockito, Cucumber, jest

Tech Lead

 Key goals and responsibilities

· Building reusable components and front-end libraries for future use

· Familiarity with databases (e.g. MySQL, MongoDB), web servers (e.g. Apache

· Ensure best coding practices to build efficiencies and scalability of the tech stack; to be implemented by the team.

· Ensure defect-free software deployment and maintenance thereof.

· Focus on critical trouble shooting issues; be obstacle remover for the team.

· Create and maintain project documentation and tech specs.

· Review the code periodically from technical and security point of view with due recommendations.

· Track team on performance and task management to deliver to timelines and quality.

· Thorough understanding of React.js, Vue Js and its core principles

· Familiarity with modern front-end build pipelines and tools

· A knack of benchmarking and optimization

· Familiarity with code versioning tools such as Git, SVN, and Mercurial

· Good understanding of quality JavaScript code (Object oriented and commonly used design patterns )

· Capable of debugging complex issues in JavaScript

· Understanding of JS debug tools and chrome dev tools

Your key qualifications & competencies:

· Understanding of web markup, including HTML5 and CSS3

· Familiarity with RESTful APIs

· Knowledge of modern authorization mechanisms, such as JSON Web Token

· Experience with data structure libraries (e.g., Immutable.js)

· At least 5+ years of hands on coding experience

· Strong understanding of OOPS Concepts and data structure

· Have practical knowledge/experience in JAVA , Microservices , Springboot , hibernate and MySQL database

· Have prior experience in scrum and agile methodologies

· Should have 5+ years of experience in modern JavaScript frameworks such as React.js /Vue/AngularJS /Knockout

· Must have experience on AWS, or Google cloud. Must have knowledge of GIT.

· Should have sound understanding of http and REST. Be a proponent of strict code quality standards using JSLint etc.

· Should have atleast 3+ years of leading teams and proven record of adherence to ambitious deadlines.

· Should have strong understanding of object oriented and functional programming in JavaScript.

• Should have strong knowledge and hands-on experience in JDK 1.8+ 
•  Should have worked in Struts, Ajax, Spring MVC, Spring Boot and Angular 
• Should have strong expertise in SOA and Microservices • Experience in Insurance domain would be an added advantage
• The responsibilities of Java technical leads include working with developers to ensure quality network frameworks, mentoring junior level staff, and identifying issues that affect product delivery.
• Experience of Software Engineering Process and in Design J2EE Design Patterns.
• Code Review and Best practices, Unit Testing
• Team mentoring

• MUST HAVES:
1. Top  Mandatory Skills: 6+ Years in: JAVA / J2EE, Spring MVC ,Springboot, Microservices
2. Domain Experience:- BFSI (Minimum 2 yrs latest)
3. Joining time / Notice Period: Immediately

• B-Tech / B.E. from a reputed college / university

• Strong problem solving and analytical skills
• Good knowledge of Core Java, JSP and Servlet
• Fluency in programming constructs
• Good expertise in working with databases and Query language.
• Mature, thoughtful, and a natural fit for a collaborative, team-oriented culture
• Hard-working and eager to learn in a fast-paced, innovative environment
• Spring Boot & Microservices architecture
• Strong foundation and expert knowledge in the area of Core Java and J2EE standards.
• Sprint IOC & Spring MVC

• Experience with all levels of operation available to the front-end, such as from creating XHRs in vanilla JS to using a custom wrapper around $resource
• Proficiency with JavaScript and HTML5
• Creating custom, general use modules and components which extend the elements and modules of core AngularJS
• Experience in using build tools like Maven
• Knowledge of AngularJS practices and commonly used modules based on extensive work experience
• Creating configuration, build, and test scripts for continuous integration environments.

Who We are:

Paxcom a leading Digital Solution Provider is a part of Paymentus now, a leading electronic bill payment provider. PaymentUs leads the North American marketplace in electronic bill payment solutions and have recently signed a partnership with Paypal, Alexa and Walmart. We are looking for passionate programmers skilled in Java, Python, Angular, NodeJS, Python, Jenkins, Postgresql, Docker, Kubernetes, Spark and AWS to join our development team.

For more details, please visit https://paxcom.ai/

Why Join Us?

Get a chance to contribute and get recognition from Day 1.

You hate micromanagement and are able to take your decision independently. 

Enjoy flexible and relaxed wok environment.

Work 5 days a week (Enjoy work-life balance).

A friendly, Supportive, Professional and achievement-oriented management team

Competitive remuneration.

An opportunity to learn new things every day.

You Enjoy:

Ideal resource should be from Java background with a minimum of 3+ years’ experience in Java technologies.

Should have extensive experience working with Spring, Any ORM and Restful Web services.

Strong experience building, designing, and consuming Restful web services.

Must have experience with spring boot/Spring MVC

1+ years’ experience with one or more JS frameworks: NodeJS/Express, Angular, React, ExtJS, Vue is preferred

Experience / Knowledge of Agile Scrum methodology.

Should have used GIT and be self-dependent on resolving merge conflicts.

Should be familiar with build tool like Maven or Gradle.

Excellent verbal and written communication skills.

Ability to handle small teams and mentor them.

Leader, Doer & Architect for Enterprise Java applications

Experience of payment card industry is a plus.

Tech Stack:

Java 8+

Microservices

REST 

Spring Framework 4/5

MySQL 5.6/Oracle

Nice To have (CPM Scheduling, Angular/React, NodeJS)

Linux, GIT, Docker, kubernetes, Cloud, AWS,Kafka

Building tools like Maven, Ant, Gulp