
We are solving complex technical problems in the financial industry and need talentedsoftware engineers to join our mission and be a part of a global software development team. As a Java Full Stack Developer, you will be responsible for designing, developing, and maintaining enterprise applications using Java and Angular. You will collaborate with cross-functional teams to define, design, and ship newfeatures, and you will work closely with Architects to ensure the technical feasibilityof designs and implement them accordingly

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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environment.
● 2+ years experience with developing microservices and micro
frontends with modern javascript frameworks
● Knowledge of relational and non-relational databases.
● Experience with hybrid mobile & web applications for one or
more platforms
● Strong understanding of back-end, front-end and continuous
integration technologies
● Full stack understanding of web/mobile/API/database
development concepts and patterns.
● Familiarity with various stacks & programming languages.
Role Description
This is a full-time on-site role for a Python Full Stack Developer located in Pune. You will be responsible for end-to-end development of scalable, AI-driven web applications. Day-to-day tasks involve architecting asynchronous backend services using Python and FastAPI, building dynamic user interfaces with ReactJS, and managing cloud infrastructure on AWS. You will collaborate with data scientists and product teams to integrate AI models into enterprise solutions while ensuring high performance and reliability.
Key Responsibilities
1. Design and develop high-performance asynchronous APIs using Python and FastAPI.
2. Build responsive, interactive frontends using ReactJS, HTML, CSS, and Tailwind CSS.
3. Implement distributed task queues and caching mechanisms using Celery and Redis.
4. Architect and optimize databases, managing both structured (PostgreSQL) and unstructured (MongoDB) data.
5. Deploy and manage infrastructure on AWS (EC2, Lambda, S3) and maintain CI/CD pipelines for automated deployment.
6. Integrate AI/ML models into production workflows and optimize system performance for scalability.
7. Ensure application security, data privacy, and code quality through best practices and regular testing.
Required Skills & Qualifications
1. 3–5 years of experience in full-stack development with a strong focus on Python.
2. Proficiency in FastAPI and deep understanding of asynchronous programming (asyncio).
3. Solid experience with ReactJS, HTML, CSS, JavaScript, and Tailwind CSS.
4. Hands-on experience with Celery and Redis for background task processing.
5. Working knowledge of AWS services and containerization tools like Docker.
6. Proficiency in database management using PostgreSQL and MongoDB.
7. Experience setting up CI/CD pipelines (Jenkins, GitHub Actions, etc.) and version control (Git).
8. Strong understanding of RESTful API design, microservices, and security best practices.
Looking for Java Fullstack Developer
Having Experience in Java, Spring , Microservices
React and Redux
Job Description
Job Purpose
We work in the latest technology, and our foundations are data structures, algorithms, strong logical reasoning, and mathematics. We are looking for very strong engineers who love coding, optimizing, and making sure their code is the most efficient possible.
You will be involved with hardcore development. If you are an assembler of code or packages from different places to build something, you may not find our team to be the right fit.
You must be someone who can build anything from the ground up. Programming language should not be any barrier for you, as you should be able to pick up any programming language or underlying technology within a week.
Key Areas of Responsibility
Core development. Ready to participate in designing, brainstorming, and development process. You must give sleepless nights to meet deadlines whenever required.
Desired Candidate Profile
Essential Skills
- Reliable, Accountable and Trustworthy
- Ability to understand software requirements based on a wireframe/program specification
- Familiarity with GoLang / PHP / Python / Java / C / C++ / Linux Shell and Scripting / HTML / CSS / JS / Node.js is a plus
- Effective communication skills to ensure smooth coordination of tasks with Team Leader
- Knowledge of MongoDB, MySQL, and PL/SQL is a plus
- Familiarity with ML, TensorFlow, and Keras is a plus
- Knowledge of web servers such as Apache, NGNIX, and the HTTP protocol is plus
- Knowledge of multi-process, threads, memory, and filesystem on Linux is desirable
To consider you for current opening, please make sure to understand the following question and solve it. A simple program in any programing language would do. If you are not able to solve this, then please do not apply.
Write a function foo(x) where foo(foo(x)) = -x (assume x to be an integer, and foo(x) has to be always real), any programming language would do. Before submitting the answers, plz verify that the output of foo(foo(10)) should be -10 and foo(foo(-10)) should be 10.
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- Build the front-end of applications through appealing visual design
- Good understanding of REACT application, Native Android, System architecture, and workflows
- Experience with function and class components, hooks and material UI, CSS, styled-components preferred
- Understanding of RESTful APIS, HTML/CSS, ES6 (variables and scoping, array methods), GIT, popular frontend development tools, CI/CD tools, DevOps
- Understanding in JavaScript, object model, DOM manipulation and event handlers, DataStructures, Algorithms, JSX
- Must have knowledge in Script frameworks ReactJS, Redux, jQuery and Android Language: Typescript/ JavaScript/ JAVA / XML
- Build reusable code and libraries for future use
- Good problem-solving, Open-minded team player, troubleshooting skills
- Bachelors in Computer Science, Information Systems or equivalent.
- 6 years experience delivering highly available web/mobile applications including 1-3 years as Senior/Lead developer.
- Prior experience in retail domain is a plus.
- 3 years of experience working with distributed teams.
- Deep knowledge of UI Libraries / Frameworks, API (REST), API Management and building scalable and high performance Web APIs.
- Must have experience building websites using Javascript and Java technologies (e.g. Typescript, Spring Boot etc.). Search Engine and Native App development experience is a plus.
- AWS Serverless Cloud native services experience with Lambda functions, SNS, SQS, DynamoDB, API Gateway etc.
- Strong knowledge of Caching frameworks, data structures, algorithms, operating systems, and distributed systems.
- Strong understanding of databases, NoSQL data stores, storage and distributed persistence technologies.
- Strong communication and presentation skills.
- Passionate about enabling next generation experiences.
- Experience with automated testing, deployment pipelines and cloud based infrastructure
Role Description:
- Develop omni-channel digital solutions leveraging serverless and micro services in a cloud based platform to develop backend services.
- Design high/low level solutions, contribute towards architecture and technical roadmap.
- Lead technical implementation/delivery.
- Host/Lead technical discussions.
- Champion software development best practices, test driven development, CI and CD.
- Build cloud native and highly cost efficient solutions.
- Innovate, Unlearn and Disrupt. Research next generation frameworks and technologies.
- Embrace change.
Responsibilities :
- Design, build, and maintain high performance, reusable, and reliable code
- Continuously discover, evaluate, and implement new technologies to maximize development efficiency.
Skills :
- Should have 2 - 4+ years of experience in Java
- Hands on experience in designing and building Java application using various frameworks is must
- Experience in Spring, Spring cloud and Spring Boot
- Experience in Angular,SQL,GIT.
- Experience in Maven and Gradle
- Should Possess good knowledge in creating test plans and test strategies.
- Knowledge of implementing various testing methodologies, test automation tools
- Designing and documenting detailed test cases to cover all levels of tests
- Strong analytical and problem solving skills
- Excellent oral and written communication skills
- Good logical sense, strong technical skills and the ability to learn new technologies quickly
Education:
- Bachelor's (Required)
Experience:
- total work: 2 -4 years (Required)
Job Types: Full-time, Permanent
Salary: ₹60,000.00 - ₹100,000.00 per month










