Java Fullstack Developer (WFH)

Experience: 5+ years

Location: Mumbai - Andheri Marol

Company: Wissen Technology

Website: www.wissen.com

Job Description:

Wissen Technology is currently hiring experienced Full Stack Java Developers with strong expertise in Core Java, Spring Boot, front-end technologies (Angular/React), REST APIs, multithreading, data structures, and SQL.

You will be working on enterprise-grade solutions as part of a global development team tackling complex problems in domains like Banking and Finance.

This is an excellent opportunity to be part of a high-caliber, technically strong team delivering impactful solutions for Fortune 500 companies.

Key Responsibilities:

• Develop and maintain scalable, high-performance applications with a focus on both backend (Java/Spring Boot) and frontend (Angular/React).
• Participate in all phases of the development lifecycle – design, coding, testing, deployment, and maintenance.
• Work closely with cross-functional teams to understand requirements and deliver quality solutions.
• Optimize application performance and ensure responsiveness across platforms.
• Write clean, maintainable, and well-documented code.

Required Skills:

• 5+ years of hands-on experience in Java, Spring Boot.
• Strong proficiency in frontend frameworks like Angular or React.
• Experience with RESTful APIs, microservices, and web technologies (HTML, CSS, JavaScript).
• Sound knowledge of data structures, algorithms, and multithreading.
• Experience in developing and deploying enterprise-grade applications.
• Solid understanding of RDBMS (e.g., Oracle, MySQL, PostgreSQL).
• Exposure to DevOps practices, version control (Git), and CI/CD pipelines.
• Familiarity with Unix/Linux environments.
• Strong problem-solving, communication, and analytical skills.

Good to Have:

• Exposure to cloud platforms like AWS, Azure, or GCP.
• Understanding of containerization using Docker/Kubernetes.
• Knowledge of Agile methodologies.

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.

Language: Java, SQL , JavaScript.

Software Ideology : Design Pattern , SOLID principle , YAGNI , KISS , Microservices, CLEAN/LAYERED architecture.

Framework: Spring (Boot, MVC, DataJPA, Security), JMS(Rabbit MQ/Apache camel/active MQ), ORM tool(Criteria API/Criteria Builder/Query DSL/Springdata JPA), REST(Jersey, Spring MVC , Feign Client) , Vaadin/GWT/jHipster/Google Polymer

Database : RDMS(Oracle/, Postgresql) , NoSql(MongoDB). Subversion : SVN , Git

Preferred Knowledge: Angular, HTML/CSS, Kotlin, Kafka , JUnit/TestNG , Docker, Kubernetes

1. Responsible for writing business logic and integrating it end to end (from DB-WS to UI & vice versa).
2. Creating Rest endpoints to be used by other applications which will suffice the business requirements.
3. Deploying the applications in cloud
4. Lead and develop engineers in the engineering
5. Lead technical risk mitigation, design and planning activities
6. This role requires a level of technical experience and interpersonal skills to be able to work effectively as a team player with our internal
7. Proactive thinking with a ‘can do’
8. Improve development efficiency with new tools/frameworks
9. Responsible for server-side web application logic and integration of the work
10. Write the web services and APIs used by dependent application

• Database creation, integration, and
• Cloud Knowledge
• Using back-end frameworks to build server-side software
• Cloud computing integration
• API integration
• Security audit

Developer – Full stack

·        Full stack development experience for 1-2 years

·        Implement new application features and improvements to existing features based on defined project requirements.

·        Experience with React or Angular framework

·        Familiarity of HTML5, CSS3, and JavaScript skills.

·        Experience developing server side applications in at least Java 8.

·        Experience with Spring Boot and REST APIs.

·        Collaborate with cross-functional teams to design, develop and deploy new features and applications

·        Ability to write and optimize SQL queries and database performance tuning

·        Familiar using source control systems, preferably Git.

·        Troubleshoot and resolve application bugs

·        Passionate about developing high quality code that has been thoroughly tested.

·        Strong written and verbal communications skills.

·        Stay up-to-date with emerging trends and technologies in web development

·        Implement automated testing and continuous integration and deployment processes

·        Ability to learn quickly.

Good to have skills

·        Python, Flask, Fast API knowledge

·        Cloud knowledge – preferably AWS

·        Understanding of graph database

·        Familiarity with containerization technologies such as Docker and Kubernetes

This role is physically based out of Mauritius and will require you to relocate to Mauritius. Relocation expenses like air tickets/work visa/permit/shared accomodation/medical insurance/daily travel costs will be borne by the company

The role of a senior java developer is to ensure high quality software development and delivery to the end client.

As senior software developer, you shall be the technical SME on the project and ensure that the team abide by the quality standard set on the project.

On the Java Expertise Center, you shall be contributing to the knowledge building committee where you will be coaching juniors and demy students

Key Skills:

 Very good knowledge in Java (at least from Java 8).

 Good knowledge of Spring boot

 Experience with JPA/Hibernate

 Experience in middleware such as MessageQueues

 Experience with REST interfaces and GRPC

 Experience with modern agile software development (Continuous Integration)

 Experience in securing APIs

 Knowledge in design patterns

1. Software Development

 Act autonomously in the delivery of tasks of simple to high complexities on projects.

 Participate actively with team members to reduce risks related to tasks and activities.

 Ensure deliveries (code, documentation, release notes) are executed within set quality standards and processes.

 Understand and apply standard methods, tools and processes in daily tasks.

 Participate in sprint backlog estimation.

2. Team coaching & technical reference on project.

 Work with the team architect to help coach team members and ensure they

abide by the technical standards set on the project.

 Coach new joiners and accompany them technically & functionally on the

project.

 Be the technical reference on the project, besides the architect.

 Communicate technical KPI to your project manager.

 Review code contributed by team members, ensuring adherence to coding standards, best practices, and quality standards.

 Act as a coach or trainer and contribute actively to the Java Expertise Center.

 A commitment to continuous learning and staying updated with industry trends and best practices

 Participate in budget auditing activities as required by direct report in the capacity of a Developer

Key Dimensions:

 Ability to monitor unit test coverage and ensure team abide by same standard (Standard unit test coverage

of 60% on new and overall codes)

 Ensures Sonar analysis of project is as per quality gate and any deviations are tackled by the team

 Ensuring highest quality delivered to client.

What are we looking for:

● Good problem solving skills.

● Strong knowledge of CS fundamentals, data structures.

● Experience working in software development with one or more of the following programming languages: Java, Go, Scala, Python, C/C++.

● Strong understanding of relational and non-relational databases (MySql, Postgresql, MongoDB, Cassandra).

● Experience in working with distributed caching (Memcached, Redis, or comparable technology).

Experience in working with distributed messaging technologies like RabbitMQ, Kafka etc.

● Ability to design and implement low latency RESTful services.

● Experience with microservices and web application/services development. 

• Work with developers to design algorithms and flowcharts
• Produce clean, efficient code based on specifications
• Integrate software components and third-party programs
• Verify and deploy programs and systems
• Troubleshoot, debug and upgrade existing software
• Gather and evaluate user feedback
• Recommend and execute improvements
• Create technical documentation for reference and reporting

• Responsible for the successful technical delivery of code and design documents
• Responsible to evaluate and review design frameworks and methodologies.
• Responsible for organizing, documenting, and review work items scope from a technical point of view.
• Responsible for scoping, designing, development, reviews, and complete delivery from the technical end.
• Review and validate estimates for complex projects to ensure correct sizing of work.
• Participates in POCs, validates the complex technical solution, performs estimates and collateral consolidation.
• Lead and coach a team of junior developers

Requirement

• Strong experience in the development of microservices-based applications using JEE technologies Spring Boot, and Spring MVC, JPA, and Hibernate.
• Experience in handling integration with multiple legacy systems by creating/consuming services in SOAP/REST/MQ, Apache Camel integration framework.
• Strong experience in developing web applications using single-page architecture and a responsive design using Angular, Bootstrap, and building hybrid mobile applications
• Understanding of front-end technologies, such as HTML5, and CSS3
• Containerizing applications using Docker/Kubernetes
• Setting up CI/CD pipelines using GIT, Jenkins, SonarQube is a plus
• Setting up applications for log monitoring using ELK stack and performance monitoring using Prometheus and Grafana is a plus
• Ensure quality and timeliness of implementation of activities related to design, build and implementation of work product; participate in activities related to requirements elicitation, validation of architecture, creation, and review of design; provide pseudo code to the team; assign and review tasks for work product implementation with the objective of ensuring the highest levels of service offerings in own technology domain
• Performs high and low-level design provides pseudo-codes, implements the prototype, and does design reviews in order to deliver design documents as per customer requirements
• Provides inputs for an overall implementation plan, lead deployment of applications, infrastructure, and post-production support activities
• Interface with customer for issue resolution, provide status updates, Build customer confidence in team`s ability to deliver in order to support high customer satisfaction
• Understand client-side business requirements and provide value-led solutions. Should have strong and clear verbal and written communication skills including addressing escalations, presenting status in management meetings. Excellent client interfacing skills, mentoring skills
• Experienced in developing microservices/APIs using REST principles
• Experienced in JEE technologies, Spring Boot, Spring MVC, Hibernate, Swagger
• Experienced in using Queues (ActiveMQ/RabbitMQ, Kafka) and integration frameworks like Apache Camel
• Experienced in Front End skills include Angular, CSS, SAAS, Node, NPM, Bootstrap
• Experience with one of the application servers like Tomcat, JBoss EAP, IBM WebSphere
• Experience with relational databases like Postgres, Oracle DB2, and NoSQL databases like Elastic Search, MongoDB, Neo4J
• Experience in containerizing applications using Docker/Kubernetes
• Experience in setting up CI/CD pipelines using GIT, Jenkins, SonarQube is a plus
• Experience in setting up applications for log monitoring using ELK stack and performance monitoring using Prometheus and Grafana is a plus