
Job Description:
- Location - Bangalore / Mumbai
- Notice period - Immediate to serving up to - oct 1st week
- Exp. - must be 5 -12 yrs
- Experience in Core Java 5.0 and above, CXF, Spring.
- Extensive experience in developing enterprise-scale n-tier applications for financial domain. 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 Experience into Microservices , Data structures , Oops , Algorithms, multithreading etc
- Good development experience with RDBMS, preferably Sybase database.
- Good knowledge of multi-threading and high-volume server-side development.
- Experience in sales and trading platforms in investment banking/capital markets.
- Basic working knowledge of Unix/Linux.
- Experience into High /Low level designing.
- Excellent problem solving and coding skills in Java.
- Strong interpersonal, communication and analytical skills.
- Should have the ability to express their design ideas and thoughts.

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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Interview Rounds : 3
Mandatory Key Skills :
- Node.js, TypeScript
- PostgreSQL, MongoDB
- API Development, Microservices
Responsibilities :
- Develop and maintain scalable backend applications.
- Design and optimize database queries in PostgreSQL & MongoDB.
- Collaborate with cross-functional teams for seamless integration.

Backend Engineering Intern (Infrastructure Software) – Remote
Position Type: Internship (Full-Time or Part-Time)
Location: Remote
Duration: 12 weeks
Compensation: Unpaid (***3000 INR is just a placeholder***)
About the Role
We are seeking a motivated Backend Developer Intern to join our engineering team and contribute to building scalable, efficient, and secure backend services. This internship offers hands-on experience in API development, database management, and backend architecture, with guidance from experienced developers. You will work closely with cross-functional teams to deliver features that power our applications and improve user experience.
Responsibilities
- Assist in designing, developing, and maintaining backend services, APIs, and integrations.
- Collaborate with frontend engineers to support application functionality and data flow.
- Write clean, efficient, and well-documented code.
- Support database design, optimization, and query performance improvements.
- Participate in code reviews, debugging, and troubleshooting production issues.
- Assist with unit testing, integration testing, and ensuring system reliability.
- Work with cloud-based environments (e.g., AWS, Azure, GCP) to deploy and manage backend systems.
Requirements
- Currently pursuing or recently completed a degree in Computer Science, Software Engineering, or related field.
- Familiarity with one or more backend languages/frameworks (e.g., Node.js, Python/Django, Java/Spring Boot, Ruby on Rails).
- Understanding of RESTful APIs and/or GraphQL.
- Basic knowledge of relational and/or NoSQL databases (e.g., MySQL, PostgreSQL, MongoDB).
- Familiarity with version control (Git/GitHub).
- Strong problem-solving skills and attention to detail.
- Ability to work independently in a remote, collaborative environment.
Preferred Skills (Nice to Have)
- Experience with cloud services (AWS Lambda, S3, EC2, etc.).
- Familiarity with containerization (Docker) and CI/CD pipelines.
- Basic understanding of authentication and authorization (OAuth, JWT).
- Interest in backend performance optimization and scalability.
What You’ll Gain
- Hands-on experience building backend systems for real-world applications.
- Exposure to industry-standard tools, workflows, and coding practices.
- Mentorship from experienced backend engineers.
- Opportunity to contribute to live projects impacting end users.
5–10 years of experience in backend or full-stack development (Java, C#, Python, or Node.js preferred).
•Design, develop, and deploy full-stack web applications (front-end, back-end, APIs, and databases).
•Build responsive, user-friendly UIs using modern JavaScript frameworks (React, Vue, or Angular).
•Develop robust backend services and RESTful or GraphQL APIs using Node.js, Python, Java, or similar technologies.
•Manage and optimize databases (SQL and NoSQL).
•Collaborate with UX/UI designers, product managers, and QA engineers to refine requirements and deliver solutions.
•Implement CI/CD pipelines and support cloud deployments (AWS, Azure, or GCP).
•Write clean, testable, and maintainable code with appropriate documentation.
•Monitor performance, identify bottlenecks, and troubleshoot production issues.
•Stay up to date with emerging technologies and recommend improvements to tools, processes, and architecture.
•Proficiency in front-end technologies: HTML5, CSS3, JavaScript/TypeScript, and frameworks like React, Vue.js, or Angular.
•Strong experience with server-side programming (Node.js, Python/Django, Java/Spring Boot, or .NET).
•Experience with databases: PostgreSQL, MySQL, MongoDB, or similar.
•Familiarity with API design, microservices architecture, and REST/GraphQL best practices.
•Working knowledge of version control (Git/GitHub) and DevOps pipelines.
Understanding of cloud platforms (AWS, Azure, GCP) and containerization (Docker, Kubernetes).
WHO YOU ARE
To be successful in this role, you’ll need to have the following skills:
· Love for coding: A fanatic about writing beautiful and scalable code.
· A sense of analytics: Strong analytical and troubleshooting skills. Should be resourceful, innovative and inventive.
· Dynamic: Should be comfortable in dealing with lots of moving pieces. Have exquisite attention to detail, and are comfortable learning new technologies and systems.
· Team player: Knack for influencing without being authoritative. Pitch in wherever the team needs help, from writing blog posts to supporting customers.
· Accountability: High sense of ownership for your code and relentlessness to deliver projects with high business impact.
KEY QUALIFICATIONS
· BE/BTech in Computer Science or related field.
· 5+ years of professional production and development experience with leading-edge server and database technologies (e.g., Python, Java, Node.js, Scala, Spring Boot, MySQL, and NoSQL databases).
KEY SKILLS
· Strong computer system analysis and design skills in current methodologies and patterns Experience with professional production cloud (AWS preferred).
· Experience with RESTful Services and APIs.
- Be proficient in server-side development and optimization of data, including database creation and management and debugging
- Integrate data from various back-end services and databases
- Create and maintain software documentation
- Create user-friendly and intuitive interfaces
- Create and analyze reliable and secure back-end functionality
- Maintain, expand, and scale our website
- Remain knowledgeable of emerging technologies/industry trends and apply them into operations and activities
- Collaborate with front-end developers and web designers to match visual design intent
- Bachelor of Engineering/Technology in computer science, software engineering, programming, or equivalent
- Proficiency with languages such as Python, Golang, and Javascript (Node.js, Vue.js)
- Proficiency with MongoDB and MySQL
- Understanding of object-oriented programming
- Experience with the design and implementation of APIs
- Understanding of code versioning and management with Git
- Understanding of code deployment tools such as Jenkins, Capistrano, and ElectricFlow
- Track record of successfully managing multiple company or customer websites
- Excellent time-management and communication skills
We are looking for experienced Odoo Developers with good development skills in Python. Candidates should have hands-on experience in end to end implementation of the custom modules in Odoo.
RESPONSIBILITIES:
- Develop and deploy ERP/ web applications using OpenERP/ Odoo.
- Customize/ develop various modules such as Accounting, POS Sales & CRM, inventory, Purchasing, , Invoice, Website, Google map, Warehouse, MRP, HR, etc.
- Customize various modules and integrate services/ products ranging from payment gateways to hardware devices with Odoo.
- Understand Functional requirements from clients. Provide GAP analysis and transform them into technical requirements.
- Functional knowledge of ERP modules like Accounting, Stock, CRM, Inventory, HR, Sales, Purchasing, Manufacturing, E- Commerce, and Payment gateway.
- Experience in Migrations, Odoo end user training.
- Knowledge of OOP concepts, SQL, HTML and JavaScript.
- Experience in hosting on AWS or other cloud service providers
- Ability to understand client requirements and translate them into business solutions.
- Develop and deploy ERP modules from scratch
- Adopt new and emerging technologies to provide solutions to client needs. Cater to time difference need
- Identify technical issues and provide solutions
- Testing support.
- Develop and customize reports based on client s specifications in the modules like Accounting, Inventory, Manufacturing and HR. Work on Odoo's internal BI reporting tool for live reports
- Skills
- Strong familiarity with the Odoo framework is mandatory.
- Should have a solid knowledge of Python and programming concepts. Contribution for Open Source Projects will be advantageous.
- Good problem solving and analytical skills
Education:
- Bachelor's (Preferred)

Proficient in Java, J2EE and related technologies.
• Experienced in using spring, Spring Boot, Hibernate, messaging systems.
• Good understanding of relational database performance concepts and usage of ORM frameworks such as Hibernate
• Expert understanding of the object-oriented design and programming concepts
• Strong working experience on Data Structures, Algorithms and Collections.
• Solid experience building applications on top of RESTful APIs.
• Knowledge/experience with Spring MVC
• Stroing knowledge in developing and executing automated unit, functional and integration tests
• Good communication and analytical skills.
• Strong trouble shooting skills
Requirements:
- Solid experience in Java or Golang
- Good to have exposure to ML
- Should have experience in cloud computing
- Has an ability to quickly learn and contribute in multiple codebase
- Overcomes roadblocks and requires minimal oversight
- Takes initiatives to fix issues/tech debts before assigned to him/her
- Able to deep dive into codebase and advise QA of possible regression impact
- Communicates tech decisions through design docs and tech talks
- Has delivered projects with end-to-end accountability
- Keeps track of industry trends and introduces right tech/tools for a given job
- Excellent understanding of software engineering practices, Design Patterns, Data Structures, Algorithms
- 4+ years of experience in product driven organisation
- A Bachelors or Masters degree in engineering from a reputed institute (preferably IITs, NITs, or other top engineering institutes)








