Java Developer (Full Stack Java)

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.

JOB DESCRIPTION

Overview - We always put our users first. We start by looking at things from the user’s perspective and end by evaluating how the solution has impacted the user.  We are looking for People who are continuously adapting to new technologies and excited to work on products that influence millions of people every day. The Android and iOS mobile applications are used by millions of people around the world and are some of India’s best known and most loved applications and we’re looking for someone to lead the engineering teams that build these apps.

Role - We are looking for a highly skilled computer programmer who is comfortable with both front and back end programming. Full Stack Developer will be required to see out a project from conception to final product, requiring good organizational skills and attention to detail. You will strike a balance between the consumers’ intent and the business’s needs.

What you will do in this role

• Developing front end website architecture.
• Translate requirements and mock-ups into fully functional features by working closely with business and product owners, creative designers and back-end developers.
• Creating servers and databases for functionality.
• Review requirements, design specifications, propose solutions and implementation.
• Work with team leads on the requirements and create estimates against those requirements.
• Deliver projects on time in an agile and continuous development environment.
• Writing tests in a client-side test framework such as Jest, Jasmine, etc.
• Designing and developing APIs.
• Monitor systems to ensure they meet both user needs and business goal.

What you should have

• 2-5 years of hands-on experience in software development and system administration.
•  Experience in Micro services, Serverless applications, Container-based applications.
•  Strong Experience on AWS cloud (Lambda, S3, Kinesis, SQS, SNS, ECS, Dynamo DB).
•  Good understanding of Devops, Apache Kafka.
•  Familiarity with JavaScript frameworks such as ReactJS.
•  Proficiency with server side languages such as NodeJS, Python and PHP.
•  Familiarity with database technology such as MySQL, Mongo DB and Dynamo DB.
•  Familiarity with Logging & Monitoring tools like Kibana, NewRelic, DataDog
• Proficiency with fundamental front end languages such as HTML, CSS and JavaScript.
• Experience with unit testing & Test Driven Development (TDD) and CI/CD.

• BE (Comp/IT), ME (Comp/IT), MCA, M.Tech, B.Tech.

Job Responsibilities

• Creating website layout/user interface by using standard HTML/CSS practices.

• Developing websites that are responsive, cross-browser compatible.

• Designing and managing the website back-end including database and server integration.
• Generating WordPress themes and plugins.
• Conducting website performance tests.
• Troubleshooting content issues.
• Conducting WordPress training with the client.
• Estimating development timings for individual tasks and new site builds.

• Coordinating with web designers to match visual design intent.
• Knowledge of code versioning tools like GIT.
• Working with debugging tools.

• Monitoring, reviewing, and revising the performance of the live website.

Required Skills:

• Ability to build websites from scratch using WordPress.
• Proven experience in woo-commerce & supported plugins.
• Knowledge in creating website layout/user interface by using HTML, CSS, jQuery, JavaScript, PHP & MySQL.
• Good understanding of theme customization.
• Competent in creating and maintaining software documentation
• Good understanding of SEO principles and content management systems.
• Must have knowledge of database management, hosting website, email server configuration on both shared and VPS servers.

• Proven experience as a Full Stack Developer or similar role with 2+ years of experience.
• Experience developing desktop and mobile applications
• Strong knowledge of at least one back-end languages (preferably Python/Ruby/ Node.js) and JavaScript frameworks (e.g. Angular, React)
• Familiarity with databases (e.g. MySQL, MongoDB), web servers (e.g. Apache) and UI/UX design
• Database design and management, including being up on the latest practices and associated versions
• For us, security is of utmost importance - You understand security concepts deeply and write code to protect us and our users.
• Should be able to architect robust Restful APIs
• Proactive, Strong Result orientation (propose solutions based on product capabilities) and Creativity.
• Good knowledge and understanding of the product development life cycles.
• Good verbal and written communication skills (Advanced English)
• Ability to work independently and as part of a team

About:

• AppTile is building the future of how merchants, creators or service entrepreneurs create mobile apps.
• We help creators and micro-entrepreneurs to build mobile applications for their businesses. 
• In 2022, it is still very hard. We are building the next-generation no-code platform for mobile internet.

Responsibilities:

• Drive design and architecture around key systems that are part of the product. Setup design philosophies and implement them in a way that ensures they are easily followed.
• Setup toolchains and technical stacks that are intuitive. Implement these toolchains in a way that is unobtrusive for other developers and ensure it stays that way.
• Drive good development practices and philosophies that ensure good stable code over several cycles of development. Keeping them as simple and un-intrusive as possible.
• Report directly to our head of technology.
• Balance speed and quality, with a focus on tangible results.

• Tier 1 / Tier 2 Colleges  with decent academic backgrounds
• Experience in Product Companies and typically more than 2 years
• Should have worked in previous companies for a larger duration
• Full Stack Developers with experience in Typescript or Nodejs, React or React Native, Rest APIs
• 3-8 years of product development experience. Preferably in a product development environment.
• Experience with working with Web Development Stacks (HTML, Javascript, CSS, etc)
• Experience with working with Backend Server stacks (SQL databases, Web Servers, API Endpoints etc)

• Bachelors/Masters degree in Engineering or equivalent.
• You have a strong passion for building things from the ground up with all the challenges and unknowns, and enjoy the process of solving problems that are new and unique.
• Experience with React, React-native, Typescript and similar Frontend Technologies.
• Experience with PostGres, MySQL and similar DB Technologies.
• Experience with REST, GraphQL and similar API technologies.
• Experience working with cloud computing platforms like AWS, GCP, Azure.
• Experience with open source languages such as, Java, Objective-C/C++, Swift, Java, PHP, Python etc.
• Experience communicating technical concepts to non-technical audiences.
• Docker and Kubernetes

• Design and development of three-tier - high performance and scalable enterprise product.
• Own feature development from definition, design through delivery.
• Hands-on full stack developer who is passionate about Go Language, Java/J2EE development, UI, SQL, building highly scalable and resilient applications, and focused on solving complex business problems
• Orientation to contribute both as a technical lead as well as an individual contributor.
• Lead the team to deliver high-quality software, by reviewing their work and mentoring them.
• Ability to research, follow up and resolve complex challenges.
• He/She will have responsibility for unit-level design, coding, unit testing, integration testing, and participating in the full SDLC
• He/She will be expected to produce high-quality code that can pass critical peer review, and work under a high-pressure and timeline-driven environment.

Qualifications

• Bachelor’s degree or higher in Computer Science or Engineering equivalent
• Minimum of 5 years experience in product development
• Responsible, organized, and possess critical thinking with good interpersonal and communication skills
• Able to demonstrate good analytical problem-solving abilities and strong leadership aptitude
• Able to work at both abstract and detailed level
• Must be fluent in English, and strong communication skills.
• Motivated self-starter that likes to work as part of a team

Technical Requirements

• Strong experience in Core Java 8 and above, Collections and Data structures.
• Develop solutions using core java, Spring / Spring Boot, JSON, Rest API, and other web technologies.
• Hands-on with UI development with strong experience in HTML5, JavaScript, CSS3, Responsive UI. An added advantage for exposure to Angular. Knowledge of Liferay will be added advantage. Ability to design and develop UIs and end-to-end integration.
• Object-oriented analysis and design using common design patterns.
• Enforcing and Writing code following good standards (well documented with good code coverage and properly tested code).
• Excellent knowledge of Relational Databases, SQL, and ORM technologies (Hibernate and Mybatis). Ability to model & design databases for high availability and high volume.
• Ability to design and build a scalable platform with APIs.
• Strong programming skills, as well as the ability to review complex code bases written by others.
• Strong knowledge of test-driven development and continuous integration
• Exposure to security, application clustering, and load balancing techniques.
• Passion for collaboration and working on agile teams. Prior experience with working on fast-paced milestones using flexible and adaptive methodologies.
• Excellent problem-solving skills.