
Company Name – Wissen Technology
Group of companies in India – Wissen Technology & Wissen Infotech
Work Location - Bangalore/Mumbai
Java Developer – Job Description
Wissen Technology is now hiring for a Java Developer - Mumbai 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. - 5+ 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.

About Wissen Technology
About
The Wissen Group was founded in the year 2000. Wissen Technology, a part of Wissen Group, was established in the year 2015. Wissen Technology is a specialized technology company that delivers high-end consulting for organizations in the Banking & Finance, Telecom, and Healthcare domains.
With offices in US, India, UK, Australia, Mexico, and Canada, we offer 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.
Leveraging our multi-site operations in the USA and India and availability of world-class infrastructure, we offer a combination of on-site, off-site and offshore service models. Our technical competencies, proactive management approach, proven methodologies, committed support and the ability to quickly react to urgent needs make us a valued partner for any kind of Digital Enablement Services, Managed Services, or Business Services.
We believe that the technology and thought leadership that we command in the industry is the direct result of the kind of people we have been able to attract, to form this organization (you are one of them!).
Our workforce consists of 1000+ highly skilled professionals, with leadership and senior management executives who have graduated from Ivy League Universities like MIT, Wharton, IITs, IIMs, and BITS and with rich work experience in some of the biggest companies in the world.
Wissen Technology has been certified as a Great Place to Work®. The technology and thought leadership that the company commands in the industry is the direct result of the kind of people Wissen has been able to attract. Wissen is committed to providing them the best possible opportunities and careers, which extends to providing the best possible experience and value to our clients.
Connect with the team
Similar jobs

Oracle Apex Developer:
- No. of Position: 3
- Budget: 12 - 16 LPA all inclusive depending on experience bracket
- Work Location – For Mumbai candidate it will be Mahape - Navi Mumbai; candidates from Pan India who are not ready to relocate can permanently WFH.
- Joining Time – Immediate to 45 Days
- US Client – Long term logistics domain project
- Opportunity to work with a team of 20+ Apex experts on the latest Apex technologies in the market
- Onsite opportunity for tenured employees
Experience:
- 5-8 years’ experience in Oracle PL SQL & Oracle Apex; (Majority of Oracle Apex experienced required)
- Preferred Education: B. Tech / B. E - Any Specialization, Computers (OR) BCA (AND/OR) MCA
Core Competencies:
- Experience working on Oracle PL/SQL Programming and DB features
- Proficient in Oracle Apex components is a must
- Experience in Javascript, Jquery and CSS
- Knowledge of Page zero concept, shared components, Page rendering & processing, Interactive reports
- Exposure to DBA activities like Table space management, Export/Import etc.
- Experience in Unix Shell scripting
- Exposure to any reporting tool
- Good communication skills
- Ability to take responsibility and handle pressure
- Ability to think creatively and solve complex problems
- Self-motivated, fast learner with the ability to operate independently
- Team player with strong interpersonal skills and a willingness to help others
- Ability to thrive in a cross-functional team on business-critical projects
- Intrinsically cares about the quality of work
- Organized and focused on delivering tasks within defined deadlines
Specific Responsibilities:
- Would work in design, develop, enhance, test and maintain software applications
- Design and develop SQL scripts, stored procedures, packages, parameterized queries and objects using tools like Toad, SQL Developer, Pl/SQL developer
- Build and maintain Application database schema/objects and account for data migration/upgrades across versions
- Identify and automate routine maintenance tasks
- Optimizing DB queries, stored procedures, Data structures, Indexes and DB Normalization.
- Certify all queries written by software developers to ensure optimal execution of the queries
- Research, investigate and evaluate potential database solutions to business problems/requirements
- Write Test cases for developed queries/functions using PLSQL and Quest code tester.
Responsibilities:
- Lead simultaneous development for multiple business verticals.
- Design & develop highly scalable, reliable, secure, and fault-tolerant systems.
- Ensure that exceptional standards are maintained in all aspects of engineering.
- Collaborate with other engineering teams to learn and share best practices.
- Take ownership of technical performance metrics and strive actively to improve them.
- Mentors junior members of the team and contributes to code reviews.
Requirements:
- A passion to solve tough engineering/data challenges.
- Be well versed with cloud computing platforms AWS/GCP
- Experience with SQL technologies (MySQL, PostgreSQL)
- Experience working with NoSQL technologies (MongoDB, ElasticSearch)
- Excellent Programming skills in Python/Java/GoLang
- Big Data streaming services (Kinesis, Kafka, RabbitMQ)
- Distributed cache systems(Redis, Memcache)
- Advanced data solutions(BigQuery, RedShift, DynamoDB, Cassandra)
- Automated testing frameworks and CI/CD pipelines Infrastructure orchestration(Docker/Kubernetes/Nginx)
- Cloud-native tech like Lambda, ASG, CDN, ELB, SNS/SQS, S3 Route53 SES
Required Skills:
- 3+ years of experience in the Development of JAVA technology.
- Strong Java Basics
- SpringBoot or Spring MVC
- Hands-on experience in Relational Databases (SQL query or Hibernate) + Mongo (JSON parsing)
- Proficient in REST API development
- Messaging Queue (RabitMQ or Kafka)
- Microservices
- Any Caching Mechanism
- Good at problem-solving
Good to Have Skills:
- 4+ years of experience in using Java/J2EE tech stacks
- Good understanding of data structures and algorithms.
- Excellent analytical and problem-solving skills.
- Ability to work in a fast-paced internet start-up environment.
- Experience in technical mentorship/coaching is highly desirable.
- Understanding AI/ML algorithms is a plus.
3.6 Years in Java experience mandatory.
Looking for immediate joiners
Role Description
This is a full-time on-site role for a Java Software Engineer located in Pune. As a Java Software Engineer, you will be responsible for software development, microservices, programming, Spring Framework, and Java. Your day-to-day tasks will include designing and implementing software solutions, debugging and testing code, developing and maintaining technical documentation, and collaborating with cross-functional teams to deliver high-quality solutions.
Qualifications
- Proficiency in Software Development and Programming
- Experience with Microservices Architecture and Spring Framework
- Expertise in Java programming language
- Excellent problem-solving skills and attention to detail
- Bachelor's or Master’s degree in Computer Science, Computer Engineering, or a related field
- Experience in agile development methodologies is a plus
- Experience with cloud technologies such as AWS or Azure is a plus
Roles & Responsibilities JOB TITLE: AEM Developer - Senior
RESPONSIBILITIES:
1. Participation in software development and maintenance
processes as per quality requirements, procedures and best
practices applicable.
2. Implementing, optimizing and supervising efficiency of IT
systems in accordance with specific standards, resolution or
escalation of problems, as appropriate.
3. Drawing up technical documentation.
4. Developing knowledge in scope of information technology used.
5. Developing knowledge in scope of best practices and standards
of creating software.
6. Developing soft skills in scope of effective communication and
efficient teamwork, solution presentation and knowledge sharing.
7. Interpreting business cases, preparing specifications and
analyzing functional and technical requirements.
8. Designing solutions and creating documentation, estimating
individual scope of works and time consumption of works.
9. Within the team and project/services, proactively identifying
problems and proposing measures to increase the level of services.
10. Developing knowledge in scope of information technology
used.
11. Developing knowledge in scope of best practices and standards
of creating software.
12. Spreading the knowledge throughout the organization by
educating and supporting less experienced Specialists.
13. Maintaining industry standards and practices in projects.
14. Performing tasks assigned by the superior.
PROFESSIONAL EXPERIENCE& TECHNICAL SKILLS
1. Minimum 3 years of experience in work related to CQ/AEM
development.
2. Minimum 5 years of experience in work related to Java
development in IT sector.
SOFT SKILLS:
1. Independence in performance of tasks assigned.
2. Team and end user communications skills.
3. Skills to acquire knowledge and put it in practice.
4. Work time estimation based on functional or technical
requirements.
5. Recommending employment in the case of reviewing technical
knowledge of candidates in recruitment process.
6. Work time estimation.
7. Designing and supervising implementation of solutions.
SPECIAL QUALIFICATIONS: Nice to have: AEM 6 Developer
certification
Skills Primary Skills –
1. AEM including Sling Models
2. Apache Sling
3. JCR
4. Sightly (must)
Secondary Skills –
1. OSGi (Apache Felix),
2. Java, JavaEE (Servlet, Filter, JSP)
3. Git
4. Junit
5. Maven
6. REST
7. Object Oriented Design Patterns, Basic HTML + JavaScript
Experience Total Experience – 4-6 years
Relevant Experience – 4-6 years
Qualification Required to perform the
Job (Any Certifications if Needed)
Bachelor’s in information technology or equivalent qualifications.

About StoreHippo:
We are India’s leading SaaS-based mobile-ready e-commerce platform. Our product provides 360-degree e-commerce solutions for businesses across multiple industry verticals.StoreHippo provides an integrated and comprehensive package of the online store, mobile and web-based applications, payment gateways, and integrated logistics to its prospective customers, which means that they can explore the internet and mobile market while they focus on their core competence- the Business. They do the business, StoreHippo takes care of everything else! We also offer solutions for Global Businesses with features like Multi-Seller Marketplace, Multilingual Stores, IP-based Pricing, and many more advanced features.
We have 2000+ clients spread across the globe like Burger Paints, Wishfull, Career Point, Farm Veda & other brands are our respective clients whom we are providing our resources.
Company Site: http://www.storehippo.com/"> http://www.storehippo.com/
What you will learn in StoreHippo :
- You’ll work in a variety of languages and technologies, and on multiple parts of our platform including front-end and back-end components. If you enjoy working on APIs, web apps, asynchronous message processing systems, and desktop applications, we would love to hear from you.
- Develop new user-facing features
- Build reusable code and libraries for future use
- Optimize applications for maximum speed and scalability
- Assure that all user input is validated before submitting to back-end services
What we are looking for:
- Strong understanding of JavaScript.
- Basic understanding of web markup, including HTML5 and CSS3
- Design architecture, development, deployment etc.
- Code for fresh development and to troubleshoot in terms of resolving the issues.
- Well versed with agile methodologies and experience on team mentoring and project management.
- Designing and Developing the systems with the right patterns and technology stack.



Role- Software Development Engineer-2
As a Software Development Engineer at Amazon, you have industry-leading technical abilities and demonstrate breadth and depth of knowledge. You build software to deliver business impact, making smart technology choices. You work in a team and drive things forward.
Top Skills
- You write high quality, maintainable, and robust code, often in Java or C++ or C#
- You recognize and adopt best practices in software engineering: design, testing, version control, documentation, build, deployment, and operations.
- You have experience building scalable software systems that are high-performance, highly-available, highly transactional, low latency and massively distributed.
- Roles & Responsibilities
- You solve problems at their root, stepping back to understand the broader context.
- You develop pragmatic solutions and build flexible systems that balance engineering complexity and timely delivery, creating business impact.
- You understand a broad range of data structures and algorithms and apply them to deliver high-performing applications.
- You recognize and use design patterns to solve business problems.
- You understand how operating systems work, perform and scale.
- You continually align your work with Amazon’s business objectives and seek to deliver business value.
- You collaborate to ensure that decisions are based on the merit of the proposal, not the proposer.
- You proactively support knowledge-sharing and build good working relationships within the team and with others in Amazon.
- You communicate clearly with your team and with other groups and listen effectively.
Skills & Experience
- Bachelors or Masters in Computer Science or relevant technical field.
- Experience in software development and full product life-cycle.
- Excellent programming skills in any object-oriented programming languages - preferably Java, C/C++/C#, Perl, Python, or Ruby.
- Strong knowledge of data structures, algorithms, and designing for performance, scalability, and availability.
- Proficiency in SQL and data modeling.
About Amazon.com
“Many of the problems we face have no textbook solution, and so we-happily-invent new ones.” – Jeff Bezos
Amazon.com – a place where builders can build. We hire the world's brightest minds and offer them an environment in which they can invent and innovate to improve the experience for our customers. A Fortune 100 company based in Seattle, Washington, Amazon is the global leader in e-commerce. Amazon offers everything from books and electronics to apparel and diamond jewelry. We operate sites in Australia, Brazil, Canada, China, France, Germany, India, Italy, Japan, Mexico, Netherlands, Spain, United Kingdom and United States, and maintain dozens of fulfillment centers around the world which encompass more than 26 million square feet.
Technological innovation drives the growth of Amazon, offering our customers more selection, convenient shopping, and low prices. Amazon Web Services provides developers and small to large businesses access to the horizontally scalable state of the art cloud infrastructure like S3, EC2, AMI, CloudFront and SimpleDB, that powers Amazon.com. Developers can build any type of business on Amazon Web Services and scale their application with growing business needs.
We want you to help share and shape our mission to be Earth's most customer-centric company. Amazon's evolution from Web site to e-commerce partner to development platform is driven by the spirit of invention that is part of our DNA. We do this every day by inventing elegant and simple solutions to complex technical and business problems. We're making history and the good news is that we've only just begun.
About Amazon India
Amazon teams in India work on complex business challenges to innovate and create efficient solutions that enable various Amazon businesses, including Amazon websites across the world as well as support Payments, Transportation, and Digital products and services like the Kindle family of tablets, e-readers and the store. We are proud to have some of the finest talent and strong leaders with proven experience working to make Amazon the Earth’s most customer-centric company.
We made our foray into the Indian market with the launch of Junglee.com, enabling retailers in India to advertise their products to millions of Indian shoppers and drive targeted traffic to their stores. In June 2013, we launched http://www.amazon.in">www.amazon.in for shoppers in India. With http://www.amazon.in">www.amazon.in, we endeavor to give customers more of what they want – low prices, vast selection, fast and reliable delivery, and a trusted and convenient online shopping experience. In just over a year of launching our India operations, we have expanded our offering to over 18 million products across 36 departments and 100s of categories! Our philosophy of working backwards from the customers is what drives our growth and success.
We will continue to strive to become a trusted and meaningful sales and logistics channel for retailers of all sizes across India and a fast, reliable and convenient online shopping destination for consumers. For us, it is always “Day 1” and we are committed to aggressively invest over the long-term and relentlessly focus on raising the bar for customer experience in India.
Amazon India offers opportunities where you can dive right in, work with smart people on challenging problems and make an impact that contributes to the lives of millions. Join us so you can - Work Hard, Have Fun and Make History.
1. Be hands-on and ship good quality code Fast
2. Understand business and product requirements and brainstorm the technology solutions
3. Take responsibility for the individual modules development, maintenance, deployment
4. Understand existing code, maintain and improve it.
Qualifications -
1. 1+ years of Hands on experience in Core Java,Spring Boot, Spring MVC, Hibernate, Play etc
2. Hands on experience in SQL and NoSQL databases like Postgres, MongoDB, ElasticSearch, Redis
3. Knowledge of software development models like RAD and Agile
4. Quick Learner



