
Java/Python Developer(60% Java - 40% Python) - Mid Level Hands On Strong Developer
- 3 Years to 5 Years - Level 2
- 5 Years to 7 Years - Level 3
Location - Mumbai Commerz3 Office Only
He/She candidate must possess a strong technology background with advanced knowledge of Java
and Python based technology stack.
Java, J2EE, Spring MVC, Python, JPA, Spring Boot, REST API, Database, Playwright, CI/CD pipelines
. At least 3 years of Hand-on Java EE and Core Java experience with strong leadership qualities.
. Experience with Web Service development, REST and Services Oriented Architecture.
. Expertise in Object Oriented Design, Design patterns, Architecture and Application Integration.
· Working knowledge of Databases including Design, SQL proficiency.
. Strong experience with frameworks used for development and automated testing like SpringBoot, Junit, BDD etc.
. Experience with Unix/Linux Operating System and Basic Linux Commands.
. Strong development skills with ability to understand technical design and translate the same into workable solution.
. Basic knowledge of Python and Hand-on experience on Python scripting
. Build, deploy, and monitor applications using CI/CD pipelines.

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
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Preferred Qualifications
- Bachelor's degree in Engineering with specialization in Computer science or related field
- 4-10 years of experience as a software engineer in a product development setting
- Deep experience in Python with demonstrated ability to build modern products
- Experience in designing APIs and integration patterns, implementing secure and sustainable products with a focus on quality and scalability
- Experience in FastAPI, Django, or equivalent
- Experience in data modeling and efficient usage of PostgreSQL, MySQL, MongoDB, or equivalent
- Experience with modern components like async python, pedantic, sqlalchemy, alembic, celery, google products API integration, etc. is a plus
- Understanding of CI/CD practices including code check-in policies, automated unit tests, automated code deployments, etc.
- Experience in other programming languages is a plus, especially Javascript and/or Typescript
- Experience building feature-rich and scalable web apps is a plus
- Ability to grasp new technologies and use them effectively to create industrial-strength software
Wissen Technology is hiring for Java Tech lead
Required:
- 8-10 years of industrial experience
- Java and related frameworks.
- Experience in Core Java 1.8 and above, Data Structures, OOPS, Multithreading, Microservices, Spring and Swift Payments
- Exposure on Fintech domain is mandatory
- Should have the ability to analyse, design, develop and test complex, low-latency client-facing applications.
- Good development experience with RDBMS
- Good knowledge of multi-threading and high volume server side development
- Excellent problem solving and coding skills in Java
- Strong interpersonal, communication and analytical skills.
Company Profile:
Company Name : Wissen Technology
Group of companies in India : Wissen Technology & Wissen Infotech
Work Location - Bangalore
Website : www.wissen.com
Wissen Thought leadership : https://www.wissen.com/articles/
LinkedIn: https://www.linkedin.com/company/wissen-technology
🚨 Hiring Alert 🚨
We are Hiring Java Backend Intern for 2 months !
Skills Required:
1. Good understanding of Java 17, Spring and any Sql database
2. Good Understanding on designing low level code from scratch
3. Experience in building database schema and code architecture
4. Familiar with design patterns and willingness to write clean, readable, and well-documented code.
5. Familiarity with tools like postman, STS or intelij
6. Understanding of REST APIs and their role in application development.
7. Good DSA and problem solving skills
Roles & Responsibilities:
1. Assist in developing and maintaining web applications.
2. Learn to utilize open source tools for integration
3. Collaborate with team members to design and implement new features.
4. Contribute to optimizing application performance and resolving bugs.
5. Stay curious and keep learning new technologies relevant to spring boot and spring reactive
6. Exposure to version control systems like Git.
7. Passion for learning and contributing to real-world projects.
Preferred Qualifications:
1. Min exp of 0-2 years.
2. Skills in computer science/IT and relevant.
What You’ll Gain:
1. Stipend - 8k -10k/ month, subjective to your performance
2. Hands-on experience in building production-grade applications.
Job Overview:
We are looking for a Java Developer with experience in building high-performing, scalable,
enterprise-grade applications.
You will be part of a talented software team that works on mission-critical applications. Java
developer roles and responsibilities include managing Java/Java EE application development
while providing expertise in the full software development lifecycle, from concept and design to
testing.
Responsibilities and Duties:
• Contribute to all phases of the development lifecycle
• Write well designed, testable, efficient code
• Ensure designs should follow compliance with specifications
• Prepare and produce releases of software components
• Support continuous improvement by investigating alternatives and technologies and
presenting these for architectural review
Qualifications:
• BE/MCA/BCA/MS/BS degree in Computer Science, Engineering, or a related subject
• Minimum 1 to 4 years of experience
• Proven hands-on Software Development experience
• Proven working experience in Java development
• Hands on experience in designing and developing applications using Java EE
platforms
• Excellent knowledge of Relational Databases, SQL and ORM technologies (JPA2,
Hibernate)
• Experience in the Spring Framework
• Very good English communication skills
• Optional:
o Good to have the knowledge of Angular JS framework.
o Experience to work on the Micro service architecture.
o Experience to work with Git hub & bitbucket.
o Agile methodology.
Kapture CRM is an enterprise-focused Service automation SaaS platform. We help 500+ enterprises in 14 countries to manage their customer service in a more intelligent, contextual way.
Roles & Responsibilities :
* Proven experience in Java8, Spring Boot, Microservices/API
* Strong experience with Kafka, Kubernetes
* Strong experience in using RDBMS (Mysql) and NoSQL.
* Experience in working in Eclipse / Maven environments.
* Hands-on experience in Unix / Shell scripting.
* Hands-on experience in fine-tuning application response/performance testing.
* Experience in Web Services.
* Strong analysis & problem-solving skills
* Strong communication skills - both verbal and written
* Ability to work independently with limited supervision
* Proven ability to use own initiative to resolve issues
* Full ownership of projects/tasks
* Ability and willingness to work under pressure, on multiple concurrent tasks, and to deliver to agreed deadlines
* Eagerness to learn
* Strong team-working skills
Developer should have 2-4 years of experience, with a indepth knowledge on how web/mobile app works.
Should have the following knowledge
- RESTful APIs, Python and Django or flask
- Database concepts (MySQL, PostgreSQL, MongoDB, Redis)
- GraphQL
- Version Control tools (Git)/Github/BitBucket
- Ability to communicate and have good writing skills
- Familiarity with multi-threaded applications
- Understanding of Linux Environment and unit test and debugging skills
Are you curious, motivated, and forward-thinking? At FIS you’ll have the opportunity to work on some of the most challenging and relevant issues in financial services and technology. Our talented people empower us, and we believe in being part of a team that is open, collaborative, entrepreneurial, passionate and above all fun.
About the team
In today’s highly competitive private equity market, firms must not only deliver superior returns, but also respond to more stringent reporting requirements and increasing demands for information – both from within and outside their organization. Throughout the industry there is mounting pressure on organizations to do more, requiring a clear technology strategy that not only addresses the demands of today, but also enables the growth and performance of tomorrow.
What you will be doing
This position would be part of CORE product development team to work on:
- Development of new modules & functionality.
- Fixing of the production bugs for existing clients.
- Contribute in team meetings to provide suggestions or raise concerns where necessary
- Participate actively in Agile SCRUM & play the role that SCRUM team demands
- Participate in technology discussions to perform POC’s & help in scaling the application
- Provide technical guidance to other team members.
What you bring:
Knowledge / Experience
- 3-5 Years of hands-on experience on Java with knowledge of Garbage Collector, JMS, Event Based programming, Collections, Java Streams, Spring Dependency Injection Framework.
- Experience in Angular 2+.
- Experience working with Spring and Hibernate frameworks.
- Working knowledge on application Servers (WildFly)
- Strong experience in REST Web Services.
- Good knowledge in writing DB queries (Oracle, SQL Server)
- Experience working in Unix/Linux environment and proven knowledge of scripting languages
- Exposure to MQ / AMQ messaging system.
- Sound knowledge of Design Patterns
Skills
- Desired to have knowledge of JMX
- Agile – SCRUM or XP or TDD methodology preferred.
Qualifications
- Bachelor’s degree in Computer Science or equivalent
Competencies
- Fluent in English
- Excellent communicator – ability to discuss technical solutions to internal and external parties and adapt depending on the technical or business focus of the discussion
- Attention to detail – track record of authoring high quality documentation
- Organized approach – manage and adapt priorities according to client and internal requirements
- Self-starter but team mindset - work autonomously and as part of a global team
What we offer you
- A multifaceted job with a high degree of responsibility and a broad spectrum of opportunities
- A broad range of professional education and personal development possibilities – FIS is your final career step!
- A competitive salary and benefits
- A variety of career development tools, resources and opportunities
With a 50-year history rooted in the financial services industry, FIS™ is the world's largest global provider dedicated to financial technology solutions. We champion clients from banking to capital markets, retail to corporate and everything touched by financial services. Headquartered in Jacksonville, Florida, our 53,000 worldwide employees help serve more than 20,000 clients in over 130 countries. Our technology powers billions of transactions annually that move over $9 trillion around the globe. FIS is a Fortune 500 company and is a member of Standard & Poor’s 500® Index.
FIS is committed to protecting the privacy and security of all personal information that we process in order to provide services to our clients. For specific information on how FIS protects personal information online, please see the https://www.fisglobal.com/-/media/fisglobal/files/policies/privacy/online-privacy-notice/english.pdf?la=en">FIS Online Privacy Notice.
Roles & Responsibilities:
- Design and Build API/Micro services using Spring boot.
- Experience in Spring Reactive programming.
- Exposure to docker and containerization
- Developing enterprise grade highly scalable java-based application
- Writing test cases using Java testing framework like JUnit, Mockito.
- Proficient understanding of code version tools, such as Git, SVN
- Displaying initiative and an ability to lead others, and develop applications team disciplined manner
- Participating in application solutions including assisting with planning and architectural design, development, resolution of technical issues, and application rationalization.
- Utilizing and applying robust analytic thinking with the ability to identify, debug, and resolve technical issues.
- Achieving significant contributions within a small team of developers to lead teams and deliver solutions within an Agile methodology, whilst ensuring quality, timeliness and team-wide adherence to good architectural practice and guidelines.
- Good Experience in Application Software Design and Development, Object Oriented Analysis and Design (OOAD), Software Testing and Debugging.
- Conduct peer code reviews











