
Role: Java Backend developer
Location: Bangalore
- 5+ years of industrial experience
- Experience in Core Java 1.8 and above, Data Structures, OOPS, Multithreading, Microservices, Spring, Kafka
- 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.

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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Job Title : Senior Python Developer
Experience : 7+ Years
Location : Remote or Hybrid (Gurgaon / Coimbatore / Hyderabad)
Job Summary :
We are looking for a highly skilled and motivated Senior Python Developer to join our dynamic engineering team.
The ideal candidate will have a strong foundation in web application development using Python and related frameworks. A passion for writing clean, scalable code and solving complex technical challenges is essential for success in this role.
Mandatory Skills : Python (3.x), FastAPI or Flask, PostgreSQL or Oracle, ORM, API Microservices, Agile Methodologies, Clean Code Practices.
Required Skills and Qualifications :
- 7+ Years of hands-on experience in Python (3.x) development.
- Strong proficiency in FastAPI or Flask frameworks.
- Experience with relational databases like PostgreSQL, Oracle, or similar, along with ORM tools.
- Demonstrated experience in building and maintaining API-based microservices.
- Solid grasp of Agile development methodologies and version control practices.
- Strong analytical and problem-solving skills.
- Ability to write clean, maintainable, and well-documented code.
Nice to Have :
- Experience with Google Cloud Platform (GCP) or other cloud providers.
- Exposure to Kubernetes and container orchestration tools.
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Experience in Spring Boot, Jenkins, Git, Hibernate, Kubernetes, and Docker
-
Experience in the development of scalable and extensible systems using Java
-
Proficiency in Database technology such as MySQL, Oracle and MongoDB
-
Routines Sync & Async
-
Solid and fluent understanding of algorithm and data structures
-
Excellent software design, problem-solving and debugging skills
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Demonstrated high ownership in previous projects
-
Excellent Communication Skills
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Good understanding of Elastic Search, Redis
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Experience working in the cloud environment, preferably AWS*.
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Write unit tests and run automated tests through CI/CD
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Ability to learn new and existing technologies
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Experience in building cloud SaaS or PaaS solutions/products
What You Will Do
● Create beautiful software experiences for our clients using design thinking, and lean and agile methodology.
● Work on world-class software products using the latest cutting-edge technologies and platforms.
● Work in a dynamic, collaborative, transparent, non-hierarchical culture.
● Work in collaborative, fast-paced, and value-driven teams to build innovative customer experiences for our clients.
● Help to grow the next generation of developers and positively impact the industry.
Basic Qualifications
● Experience: 5+ years
● Hands-on development experience in backend, Java, SpringBoot, Hibernate, SQL, MongoDB, Jenkins, Microservices, etc.
● Server-side development experience mainly in JAVA.
● Passion for software engineering and following the best coding concepts.
● Good to great problem-solving and communication skills.
● Experience in working with cross-border, distributed teams is a must. Nice to have Qualifications ● Product and customer-centric mindset
● Great OO skills, including design patterns.
● Experience with large-scale enterprise systems Get to know us better: https://www.zemosolabs.com.
Hey Folks!
We are hiring java developers with Core java-7/8, microservices, springboot, oops, RestAPI and SQL skills.


What are we looking for?
We are looking for hands-on coders who love what they do, have high attention to detail and are looking for challenging opportunities which involve building products from scratch. Someone who is proactive, and always keen to learn.
What will you be doing?
On a daily basis, some of your work will involve but is not limited to:
- Write clean, secure, and well-tested code
- Build tools and integrate systems to scale the effectiveness of the product
Work Culture at Merge:
Commitment to excellence - In every output, we produce as individuals and as a company, we have to strive for world-class quality. We’re making a change in the world. It will push us out of our comfort zones. We operate in a rapidly changing market and strive to deliver high-quality products faster than anyone else.
We get it done - We take ownership of what we do. Working here is about really, truly owning everything you do. There’s no such thing as “Not my job.” If you see a problem that needs solving, you can – and should – be the one to solve it
Requirements
Skills That Will Help You Excel At Merge
- You have 2 to 5 years of experience building highly reliable and scalable backend systems
- Experience in two or more languages. Go, Node.js, Python, or Java would be ideal.
- You have experience in high-throughput distributed systems and microservices
- Experience with AWS and CI/CD workflow
- Driven, and passionate about building products
- You take ownership of your code
- You have good communication skills in English
- You are familiar with security best practices
comprehensive solutions; solve complex business problems and then directing the implementation of these solutions
through a team of developers. Work with the various teams to analyze and assess implementation methodology.
Identify & communicate the technical infrastructure requirements. Support existing business process automations and implement change requirements as part of a structured change control process
Responsibilities:
Leading and managing team of developers.
Integration of user-facing elements developed by a front-end developer with server-side logic.
Building reusable code and libraries for future use
Optimization of the application for maximum speed and scalability
Implementation of security and data protection
Design and implementation of data storage solutions
Skills and Qualifications:
Overall 6-8 years of experience in multi-tiered application development and leadership
Strong Programming fundamentals. (Must have - Java)
Good Knowledge in cloud technologies like AWS, Azure, etc.
Hands on experience on Spring technology including Springboot, SpringMVC, Spring Security and others.
Good understanding on experience on microservice development using Springboot REST web services using
Spring Rest or Jersey SQL NoSQL DB
Hands on with Unit testing Dynamic and proactive with ability to work as part of a multi-disciplinary team
Good communications skills fluent in English
Ability to communicate effectively across different disciplines
Primary Skills (Good toHave)
Java, Spring Boot, Spring MVC, Restful Web Services, Micro Services
Education: B.Tech/B.E, BCA, MCA, MCS, etc. in Computers
- Strong Core Java
- Good in Swing
- Good team leading experience
- Good communication
We are a Fintech Start up targeting to capture $ 900 BN consumer payment &lending opportunity. We are building platform of the future in which the offline / online merchants would be able to expand their consumer base. We also empower merchants to collect payment digitally and help build their identity through our offerings.
Consumers would be able to make their purchase decisions and would get the options to convert their purchases in to easy EMIs
The founders brings over 4 decade of banking & financial services experience with strong market connect to bring required resources (like Customer, Capital, relevant business team etc.). Detailed business model can discussed during the meeting process.About you
You are passionate, a strong technical contributor, and an emerging leader. You have a proven track record of creating reliable, scalable, and high-performance products, building large-scale distributed systems
Responsibilities
- Developing front end website architecture
- Designing user interactions on web pages
- Developing back end website applications
- Creating servers and databases for functionality
- Ensuring cross-platform optimization for mobile phones
- Ensuring responsiveness of applications
- Working alongside graphic designers for web design features
- Seeing through a project from conception to finished product
- Designing and developing APIs
- Meeting both technical and consumer needs
- Staying abreast of developments in web applications and programming languages.
Requirements
- Java 8 and above
- Experiencein databases Mongodb, MySQL, SQL Oracle etc.
- Working knowledge in IOC Container / Spring boot& ORM, Spring Security, AOP JMS.
- Experience in Microservices, Eureka, Zuul, Ribbon would be an added advantage.
- Experience with build tools like Ant, Gradle or Maven and troubleshoot build issues.
- Should have exposure to GIT, Jira etc..
- Develops resealable frameworks/components and POCs based on Product Architecture RoadMap.
- Uses best practices during web services implementations and works with the REST
- Strong analytic problem-solving skills.
- Proactive work ethic.
Department: Information Systems
Reports to: Tech Lead - Regulatory Reporting IT, Product Control IT & Reference Data IT Internal Development & Support
About the Department: Information Systems
The Information Systems Department (‘ISD’) provides a full range of state of the art technology services to all departments within Mizuho International plc in London. This includes teams servicing the client-facing business units, Operations, Finance and Risk departments.
The department utilises modern delivery methodologies & techniques including Agile, Containerisation & Continuous integration.
Each team has resources to provide project management, analysis, software development, package implementation, systems integration services and application support and is expected to contribute to the change.
Primary Responsibilities
Summary
Within Regulatory Reporting, Reference Data & Product Control IT team, the developer will work towards enhancing and supporting our newly delivered financial data reference data platform, GoldenSource. This requires involvement in development and post production support project life cycle. This role will expose the individual to all business areas, including front office, settlements, custody and accounting.
This role will also involve providing 3rd Line support for any implemented solutions including incident, problem, and defect management
Specific Responsibilities
Design and development of the instrument reference data module
Conduct systems testing and support user acceptance testing
Dealing with day-to-day production problems and maintenance. This may require working shifts and/or being on-call out of normal working hours.
Adhering to Mizuho International development standards and procedures, including change control
Person Specification
Essential
Knowledge of the GoldenSource product
Experience in implementing and supporting the GoldenSource product in a financial institution
Minimum five years’ experience in Java and J2EE
Experience in using object oriented methodologies
Desirable
A broad understanding of Fixed Income, Equity and/or Futures processing through investment banking experience
Experience in using TDD/BDD agile methodology
Technical Knowledge/Skills
Essential
Experience with Publish/Subscribe messaging paradigms, distributed transaction processing based on JTA/JTS
Experience with installing, configuring and monitoring JBoss
GoldenSource Security master module
GoldenSource Customer & Counterparty module
UNIX skills in particular Linux
Excellent relational database skills, preferably ORACLE
Experience of using automated testing tools such as JUnit and mocking libraries such as jMock
Experience of working with XML based technologies such as XSLT
Desirable
Experience of Subversion, Ant, Maven and CI frameworks such as Bamboo.
Building connectors using the GoldenSource product tools
Experience of software configuration management
Experience with integration/acceptance testing frameworks such as FitNesse
WebServices
Document database experience, preferably MongoDB
Experience of Javascript on the client and Node.js
Qualifications
Degree or equivalent.
Active participant in relevant forums/external working groups.
Key Behaviors/Competencies
Operational Effectiveness and Innovation: Achieving Quality Results:
Delivering Tasks – Silver
Problem Solving – Silver
Flexibility & Drive to Improve – Silver
Risk Awareness – Silver
Enhance product Scope:
Strategic Business Management – Silver
Business Awareness – Silver
People:
Leadership – Silver
Management – Silver
Communication – Silver
Ethics and Conduct Level 1 – Silver
Ethics and Conduct Level 2 – Silver
Client Centricity – Silver
Effective Collaboration:
Team Working in Your team – Silver
Team Working With Other Teams – Silver
Directly interfacing with the founding team and technology team to understand the requirements and providing solutions. Assisting & guiding team members in design and development.
Requirements:
An ideal candidate should have :
- Worked on one or more projects in production environment
- Should have knowledge of Fintech
- Should have 3+ years of experience in system/software solution development and delivery
- Should be hands-on on Java, J2EE Frameworks, Spring MVC, Hibernate, RESTful Webservices, MySQL and working knowledge of Unix/Linux
- Should have experience on deployments on cloud servers and should be ready to pick AWS cloud server deployment
- Should possess good architectural knowledge and be aware of enterprise application design patterns

