Fullstack Developer

JOB DESCRIPTION

Experience: 3-10 years

Required Skills and Qualifications 

Backend: 

• Strong programming skills in Core Java, Java 8+ 

• Experience with Spring Boot, RESTful APIs, Microservices architecture 

• Good understanding of JPA/Hibernate, and SQL/NoSQL databases 

Frontend: 

• Proficient in React.js, JavaScript (ES6+), HTML5, CSS3 

• Experience with Redux, React Hooks, and component-based architecture 

• Familiarity with front-end build tools (Webpack, Babel, NPM)

Key Responsibilities

• Develop and maintain scalable backend services using Core Java / Spring Boot 

• Design and implement responsive, high-quality front-end interfaces using React.js 

• Integrate backend APIs with frontend components seamlessly 

• Collaborate with product managers, architects, and QA to deliver quality software 

• Ensure code quality through unit testing, code reviews, and performance tuning 

• Troubleshoot and debug production issues as needed

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.

Key Responsibilities:

Full-Stack Development:

• Engage in end-to-end development activities, from requirements gathering to deployment, ensuring high-quality deliverables.
• Perform hands-on development using a mix of technologies including Angular 13+, Java / Springboot, Fast API, and SQL.
• Collaborate with cross-functional teams to integrate front-end interfaces with back-end services and databases.

Team Leadership & Collaboration:

• o Work closely with the Tech Lead / Solution Architect and Product Manager to help design and implement scalable and robust solutions leveraging Angular 13+, Java / Springboot, Microservices, Fast API, Java Reactive Programming, and SQL.
• Assist in driving the architectural vision, ensuring alignment with business goals and provide technical guidance, participate in code reviews, and ensure adherence to best practices and coding standards.
• Evaluate and recommend technologies and tools to optimize system performance, security, and reliability.

Databases & Data Management:

• Demonstrate expertise in working with databases such as MongoDB, PostgreSQL, Azure Blob Storage, Neo4j (GraphDB is a plus), and Azure CosmosDB.
• Design efficient database schemas, optimize query performance, and ensure data integrity and security.

Cloud Platform & Infrastructure:

• Proficiency in Microsoft Azure, including the deployment, management, and optimization of cloud-based solutions.
• Experience with containerization, orchestration, and Kubernetes Lens for managing containerized applications.

Tools & Collaboration:

• Utilize tools such as GitHub for version control, JIRA for project management, Confluence for documentation, Keycloak for identity and access management, and other relevant tools to streamline development and collaboration processes.

Qualifications:

• Bachelor’s or Master’s degree in Computer Science, Engineering, or related field.
• 5+ years of hands-on experience in full-stack development.
• Strong expertise in Angular 13+, Java / Springboot, Microservices, Fast API, Java Reactive Programming, SQL.
• Proven experience with databases including MongoDB, PostgreSQL, Azure Blob Storage, and Azure CosmosDB.
• Strong communication and collaboration skills.
• Experience with Agile development methodologies.
• Understanding of the Microsoft Azure cloud platform and associated services.
• Relevant certifications (e.g., Azure / AWS Certifications etc.;) are a plus.

Not just a delivery company…

RaRa Delivery is revolutionising instant delivery for e-commerce in Indonesia through data driven logistics.

RaRa Delivery is making instant and same-day deliveries scalable and cost-effective by leveraging a differentiated operating model and real-time optimisation technology. RaRa makes it possible for anyone, anywhere to get same day delivery in Indonesia. While others are focusing on ‘one-to-one’ deliveries, the company has developed proprietary, real-time batching tech to do ‘many-to-many’ deliveries within a few hours.. RaRa is already in partnership with some of the top eCommerce players in Indonesia like Blibli, Sayurbox, Kopi Kenangan and many more.

We are a distributed team with the company headquartered in Singapore 🇸🇬 , core operations in Indonesia 🇮🇩 and technology team based out of India 🇮🇳

Future of eCommerce Logistics.

• Data driven logistics company that is bringing in same day delivery revolution in Indonesia 🇮🇩
• Revolutionising delivery as an experience
• Empowering D2C Sellers with logistics as the core technology

• 5 - 7 years Experience with the following technologies: Core Java/J2EE, Spring Boot, Creating API, Hibernate, JDBC, SQL/PLSQL, messaging architecture, REST/Web services, Linux
• Expertise in application, data and infrastructure architecture disciplines
• Advanced knowledge of architecture, design and business processes
• 4+ years of Java, J2EE development experience
• Strong technical development experience in effectively writing code, performing code reviews, and implementing best practices on configuration management and code refactoring
• Experience in working with vendor applications
• Experience in making optimized queries to MySQL database
• Proven problem solving and analytical skills
• A delivery-focused approach to work and the ability to work without direction
• Experience in Agile development techniques, including Scrum
• Experience implementing and/or using Git
• Ability to work collaboratively in teams and develop meaningful relationships to achieve common goals
• Bachelor degree in Computer Science or related discipline preferred

Essential Duties and Responsibilities

• Contribute in all phases of the development lifecycle
• Write well designed, testable, efficient code
• Ensure designs are in compliance with specifications
• Prepare and produce releases of software components
• Support continuous improvement by investigating alternatives and technologies and presenting these for architectural review 

Adhere to Experian policies and procedures

• Work under the Experian behaviors and values
• Facilitate and drive performance management processes
• Champion a culture where the fair treatment of customers is at the heart of the Experian business 
• Ensure that by leading by example, you adhere to all regulatory requirements and apply appropriate controls in the interests of customers
• Through the adoption of a top down approach, demonstrate a culture where all our people understand their regulatory obligations, including what the fair treatment of customer’s means to them and our organization

Qualifications

• Should  have years of experience in developing and supporting Java/J2EE based application
• Should provide consultation on new development, enhancements, bug fixes and deployment and involve in complete product life cycle
• Should undertake any development/coding activities that might require during project life cycle
• Should have good core java concept like Collection, Multi-Threading JDBC File handling etc.
• Should have experience in Spring, Spring Boot, JPA, Hibernate
• Should have experience in Web service testing tool like SOAP UI, PostMan
• Should have working experience with database like Oracle, MSSQL Server, MySQL
• Should have enriched experience in client interfacing
• Should have good communication skills

Technologies

1. Java, Java EE
2. Spring, Spring Boot, JPA, Hibernate
3. Java Multi-Threading
4. Web service using SOAP/REST
5. JIRA, Confluence, Bitbucket
6. Oracle, SQL Server, MySQL
7. WebLogic, Tomcat , JBOSS

You have experience in tackling organization wide challenges which are complex initiative that span multiple teams and products. Strong bias for operational and engineering excellence. critical that your voice is heard in product and business decisions. You like to find patterns that can reuse across multiple stacks, and willingness to help organisations adopt newer technologies. You are a great communicator and you take care setting high benchmarks in technical design choices. You spend a lot of time on research and love to discuss pros/cons of all choices and helping others towards making careful decisions.

Responsibilities:

• You will participate in all aspects of our development and provide expertise on architecture decisions we'll need to make to solve organisational problems.
• Driving technical roadmaps for the organisation.
• Set the north star for all key technical metrics to monitor and set high standards.
• Identify and articulate current state architecture and clarity on final state architecture and build organisation level influence to drive this to conclusion.
• Coaching / mentoring folks across the organisation on various technologies.
• Improve the recruiting and hiring process.
• Thinks about culture and how to impact it.
• Build, develop and scale our platform that powers real estate agents, buyers and sellers.
• Become a domain expert on real estate technology and products and an empathetic partner to our customers.
• Inspire, recruit and mentor your engineering colleagues.
• Operate in a scalable engineering culture that leverages modern principles of decoupled systems and automated CI/CD/testing/monitoring to drive. efficiencies.

Requirements:

• BS in CS or EE or equivalent.
• Proven track record working in top talent and high performance environments.
• Experience working on large scale systems in rapid growth environments.
• Experience with modern web frameworks (e. g. Go/React), distributed computing (e. g. Spark), public cloud platforms (e. g. AWS) and data pipelines
• Familiarity with containerisation, microservices architecture, continuous integration and delivery.
• Experience with multiple well-known products throughout their life cycles, from idea conception to product release and maintenance.
• 10+ years experience.

• Published Engineering blogs.
• Experience with multiple well-known products throughout their life cycles, from idea conception to product release and maintenance.
• External presentations in events.

• Java, J2EE
• Microservices
• Spring Boot
• JPA, REST API, JSON, JWT, OAuth, Spring Security, Swagger
• Oracle / MySQL / Postgres DB
• Angular / React / React Native
• JIRA, Bitbucket

Must-Have -

• Excellent knowledge of Core Java and Spring
• Strong experience in REST API and web services
• Experience in Oracle / Mysql / Postgres DB
• Should be efficient with Java J2EE and related technologies
• Should have very good communication skills and analytical skills.
• Should have good knowledge in Software Development Life Cycle and Agile methodologies.
• Good knowledge of current / emerging technologies and trends
• Good analytical and problem-solving skills
• Excellent written and verbal communication skills. High levels of initiative and creativity
• Good communication skills with all stakeholders, good team player with the ability to mentor juniors

Good to Have:

• Knowledge in Banking Domain
• Full-stack developers with knowledge and understanding of Javascript and associated technologies like React, Angular, HTML5, CSS will have an advantage.