
7+ years of experience in Python Development
Good experience in Microservices and APIs development.
Must have exposure to large scale data
Good to have Gen AI experience
Code versioning and collaboration. (Git)
Knowledge for Libraries for extracting data from websites.
Knowledge of SQL and NoSQL databases
Familiarity with RESTful APIs
Familiarity with Cloud (Azure /AWS) technologies
About Wissen Technology:
• 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. We help clients build world class products.
• Our workforce consists of 550+ 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 has grown its revenues by 400% in these five years without any external funding or investments.
• Globally present with offices 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.
• Wissen Technology has been certified as a Great Place to Work®.
• Wissen Technology has been voted as the Top 20 AI/ML vendor by CIO Insider in 2020.
• Over the years, Wissen Group has successfully delivered $650 million worth of projects for more than 20 of the Fortune 500 companies.
We have served client across sectors like Banking, Telecom, Healthcare, Manufacturing, and Energy. They include likes of Morgan Stanley, MSCI, StateStreet, Flipkart, Swiggy, Trafigura, GE to name a few.
Website : www.wissen.com

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.
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Job Title : Senior Node.js Developer (SDE 2)
Experience : 5+ Years
Location : Bengaluru (Whitefield)
Work Mode : Hybrid (3 Days WFO)
Openings : 2
Notice Period : Immediate–20 Days Preferred
Role Overview :
We are looking for an experienced Senior Node.js Developer (SDE 2) professional with strong expertise in building scalable backend applications, microservices, and distributed systems in Agile environments.
Mandatory Keywords :
Node.js, JavaScript, TypeScript, GraphQL, Microservices, Cloud, REST APIs, Docker, Kubernetes, Redis, System Design.
Key Responsibilities :
• Design, develop, and deploy scalable backend systems using Node.js & TypeScript.
• Build REST APIs and GraphQL services.
• Develop secure, reusable, and high-performance applications.
• Work on microservices, cloud platforms, and production support.
• Follow best practices including TDD, testing, and DevOps processes.
• Mentor team members and contribute to technical excellence.
Mandatory Skills :
• 5+ years of software development experience.
• Strong hands-on experience in Node.js, JavaScript, TypeScript.
• Experience with Express.js/Koa/Sails.js.
• GraphQL, REST APIs, Microservices
• AWS/Azure/GCP Cloud
• Docker, Kubernetes, Redis
• Strong understanding of distributed systems, Git, and DevOps.
Good to Have :
Kafka, RabbitMQ, Apollo Federation, New Relic, Datadog, Splunk, React.js/Next.js, Jest/Mocha/Cucumber
Interview Process :
- L1 – Technical
- L2 – Coding
- L3 – System Design (HLD + LLD)
Java Developer (Backend) – 3+ Years Experience | Bangalore |
We are looking for a passionate and driven Backend Java Developer who thrives in building scalable systems from the ground up. If you enjoy solving complex problems, working in fast-paced environments, and owning your work end-to-end, this role is for you.
Key Responsibilities:
Design, develop, and maintain scalable backend systems using Java and Spring Boot.
Build and optimize RESTful APIs and microservices architectures.
Write clean, efficient, and high-performance code that can handle large-scale applications.
Collaborate closely with product and business teams to translate requirements into technical solutions.
Take ownership of features from design to deployment, ensuring reliability and performance.
Continuously improve system architecture, performance, and scalability.
Required Skills & Experience:
3+ years of experience in backend development using Java.
Strong hands-on experience with Spring Boot framework.
Proven experience working in product-based startups or fintech environments (preferred).
Solid understanding of microservices architecture and distributed systems.
Expertise in designing modular, scalable, and maintainable systems.
Strong problem-solving skills and ability to write optimized, production-grade code.
Ability to balance technical decisions with business impact.
Who Should Apply:
Candidates who enjoy building systems from scratch and working in early-stage/startup environments.
Individuals with a high sense of ownership, accountability, and initiative.
Developers who are self-driven, adaptable, and eager to learn.
We’re looking for a Backend Developer (Python) with a strong foundation in backend technologies and
a deep interest in scalable, low-latency systems.
Key Responsibilities
• Develop, maintain, and optimize backend applications using Python.
• Build and integrate RESTful APIs and microservices.
• Work with relational and NoSQL databases for data storage, retrieval, and optimization.
• Write clean, efficient, and reusable code while following best practices.
• Collaborate with cross-functional teams (frontend, QA, DevOps) to deliver high quality features.
• Participate in code reviews to maintain high coding standards.
• Troubleshoot, debug, and upgrade existing applications.
• Ensure application security, performance, and scalability.
Required Skills & Qualifications:
• 2–4 years of hands-on experience in Python development.
• Strong command over Python frameworks such as Django, Flask, or FastAPI.
• Solid understanding of Object-Oriented Programming (OOP) principles.
• Experience working with databases such as PostgreSQL, MySQL, or MongoDB.
• Proficiency in writing and consuming REST APIs.
• Familiarity with Git and version control workflows.
• Experience with unit testing and frameworks like PyTest or Unittest.
• Knowledge of containerization (Docker) is a plus.
Role & Responsibilities:
We are seeking a Software Developer with 2-10 year’s experience with strong foundations in Python, databases, and AI technologies. The ideal candidate will support the development of AI-powered solutions, focusing on LLM integration, prompt engineering, and database-driven workflows. This is a hands-on role with opportunities to learn and grow into advanced AI engineering responsibilities.
Key Responsibilities
• Develop, test, and maintain Python-based applications and APIs.
• Design and optimize prompts for Large Language Models (LLMs) to improve accuracy and performance.
• Work with JSON-based data structures for request/response handling. • Integrate and manage PostgreSQL (pgSQL) databases, including writing queries and handling data pipelines.
• Collaborate with the product and AI teams to implement new features. • Debug, troubleshoot, and optimize performance of applications and workflows.
• Stay updated on advancements in LLMs, AI frameworks, and generative AI tools.
Required Skills & Qualifications
• Strong knowledge of Python (scripting, APIs, data handling).
• Basic understanding of Large Language Models (LLMs) and prompt engineering techniques.
• Experience with JSON data parsing and transformations.
• Familiarity with PostgreSQL or other relational databases.
• Ability to write clean, maintainable, and well-documented code.
• Strong problem-solving skills and eagerness to learn.
• Bachelor’s degree in Computer Science, Engineering, or related field (or equivalent practical experience).
Nice-to-Have (Preferred)
• Exposure to AI/ML frameworks (e.g., LangChain, Hugging Face, OpenAI APIs).
• Experience working in startups or fast-paced environments.
• Familiarity with version control (Git/GitHub) and cloud platforms (AWS, GCP, or Azure).
What We Offer
• The opportunity to define the future of GovTech through AI-powered solutions.
• A strategic leadership role in a fast-scaling startup with direct impact on product direction and market success.
• Collaborative and innovative environment with cross-functional exposure.
• Growth opportunities backed by a strong leadership team.
• Remote flexibility and work-life balance.
If you love to work in a fast-paced startup environment and desire to solve some very
challenging problems using technology, we want to hear from you.
We are looking for an enthusiastic and energetic individual to work as a Senior Software
Developer. You will be involved in working on multiple products for the scaling and growth
stage of the lifecycle.
We work closely with the real world,. If you are interested to grow and learn in your career
and at the same time work on products for the 1Bn user market, we encourage you to apply.
Responsibilities
● Managing and guiding a team of junior developers for timely delivery of product and
milestones
● Optimization of the application for maximum speed and scalability
● Implementation of security and data protection
● Design and implementation of data storage solutions
● Design & Build: Designing and developing high-volume, low-latency applications for
mission-critical systems, and delivering high-availability and performance.
● Collaborate - Collaborating within your product streams and team to bring best
practices and leverage a world-class tech stack.
● Measurable Outcome - You will need to set quantifiable objectives that encapsulate
the quality attributes of a system. The fitness of the application is measured against
set marks.
● DevOps - You will need to set up every essential (tracking/alerting) to make sure the
infrastructure/software you built is working as expected.
● Design and development of our REST APIs
● Help maintain code quality, architecture, and automation
Required Knowledge and Skills
● 3 - 5 years of experience working in backend development technologies and DevOps
● Highly curious and ready to dive into complex technical challenges.
● Proficiency in development and scripting in Python, Django/Flask framework.
● Database design and management, including being up on the latest practices -
bonus points for MySQL and MongoDB
● User authentication and authorization between multiple systems, servers, and
environments
● Integration of multiple data sources and databases into one system
● Management of hosting environment, including database administration and scaling
an application to support load changes
● Setup and administration of backups
● Understanding differences between multiple delivery platforms such as mobile vs
desktop, and optimizing output to match the specific platform
● Creating database schemas that represent and support business processes
● Implementing automated testing platforms and unit tests
● Understanding of “session management” in a distributed server environment
● Server management and deployment for the relevant environment
● Appreciation for clean and well-documented code
● Hands-on experience with architecture and structural design patterns
● Expertise in designing, developing, deploying, and integrating RESTful APIs
● Ability to understand business requirements and translate them into technical
requirements
● A knack for benchmarking and optimization
● Proficient understanding of code versioning tools, such as Git
Personality
● Requires excellent communication skills – written, verbal, and presentation.
● You should be a team player.
● You should be positive towards problem-solving, have a very structural thought
process to solve problems
● Interest to work in a high paced start-up environment with a large amount of learning.
● Good understanding of different frameworks, and be able to pick up new
technologies at ease.
● You should be agile enough to figure out a need for new technologies/frameworks
and learn new technology for better product performance
- Experience building large scale, large volume services & distributed apps., taking them through production and post-production life cycles
- Experience in Programming Language: Java 8, Javascript
- Experience in Microservice Development or Architecture
- Experience with Web Application Frameworks: Spring or Springboot or Micronaut
- Designing: High Level/Low-Level Design
- Development Experience: Agile/ Scrum, TDD(Test Driven Development)or BDD (Behaviour Driven Development) Plus Unit Testing
- Infrastructure Experience: DevOps, CI/CD Pipeline, Docker/ Kubernetes/Jenkins, and Cloud platforms like – AWS, AZURE, GCP, etc
- Experience on one or more Database: RDBMS or NoSQL
- Experience on one or more Messaging platforms: JMS/RabbitMQ/Kafka/Tibco/Camel
- Security (Authentication, scalability, performance monitoring)
The Back-end Developer primarily participates in designing and implementing new services as well as participates in customer delivery. It will be possible to influence your work profile based on your interests.
While not mandatory, a generic understanding of user interfaces and being able to position oneself as an end-user is highly desirable. We appreciate also prior knowledge of the Image Processing domain.
We are looking for well-rounded people who care about their craft and understand software development. While we value a formal degree in computer science we do not require one - a candidate with a strong background, open mind and ability to learn would be an ideal addition to our team.
That being said, here is what we think the ideal team member would be:
Responsibilities:
- Develop and Integrate Django backend and API's with frontend framework.
- Working closely with UX and Front-end Developers
- Participating in architectural, design and product development
- Designing and creating RESTful APIs for internal and partner consumption
- Working in an agile environment with an excellent team of engineers.
- Experienced with the Django REST framework
- Good experience of Python coding skills
- Hands on experience on designing and structuring of database most likely ORM (i.e MongoDB)
- Knowledge of how to build and use with RESTful APIs
- Strong knowledge of version control (i.e. git, etc.)
- Experience deploying Python applications into production.
- Working experience on Apache services.
- Knowledge of cloud services is a plus.
Qualification: Engineering from CSE/IT











