
Experience: 5+ Years
• Experience in Core Java, Spring Boot
• Experience in microservices and angular
• Extensive experience in developing enterprise-scale systems for global organization. Should possess good architectural knowledge and be aware of enterprise application design patterns.
• Should be able to analyze, design, develop and test complex, low-latency client-facing applications.
• Good development experience with RDBMS in SQL Server, Postgres, Oracle or DB2
• Good knowledge of multi-threading
• Basic working knowledge of Unix/Linux
• Excellent problem solving and coding skills in Java
• Strong interpersonal, communication and analytical skills.
• Should be able 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.
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Job Title: Tech Architect - Java Spring Boot
Company Name: Chella Software Private Limited
Company Website
Company details
THE PARTNER OF CHOICE FOR FINANCIAL MARKETS
Our deep domain experience, ultra-high-performance software solutions, and on-time project delivery make us the preferred partner for the financial markets.
Over the last two decades, Chella Software has built deep domain experience in the financial markets and a capability for developing ultra-high-performance software that can handle very high volumes of data with the lowest levels of latency.
We are now preferred partners for a host of Central Banks, Stock Exchanges, Clearing Corporations, Brokerages, and Institutional Investors across 12 countries.
We are a global provider of fintech solutions for central banks, exchanges, central counter parties, and financial market intermediaries. We meet the software needs of customers in India, the Middle East, Africa, Singapore, and the USA.
Central Banks:
- Our portfolio of solutions for central banks includes:
- Chella Switch, a national payment and settlement system designed for central banks in frontier markets, and
- Chella Horizen, a robust, reliable and full coverage investment management and accounting platform for reserve management.
Exchanges and CCPs:
We are at the forefront of providing customized solutions for exchanges, CCPs, depositories, and other financial market infrastructure. Our high-speed, low-latency, high-volume, massively scalable systems are spread across the core areas of trading, surveillance, risk management, clearing, settlement, and compliance.
Our teams have deep expertise in:
- Developing and implementing bespoke solutions on a build-operate-maintain model.
- Re-architecting and re-engineering core applications to address performance and scalability challenges.
- Migrating legacy systems to the latest technologies without disrupting operations.
- Defining and building digital experiences and journeys that facilitatethe addition of new investors to the market.
Brokerages:
Our solutions for brokerages include:
- Chella Trader, a multi-asset, multi-exchange, multi-currency, omni-channel order management system, and
- Chella Clearvision is a modular broker back office that helps scale a broker’s business with incremental investments.
Institutional Investors:
We meet the investment management needs of institutional investors through Chella IMS, a full coverage post-trade investment management and IFRS-compliant accounting platform for pension funds, insurance firms, and family offices.
Location: Madurai - Tamil Nadu
Mode of Working: Work Form Office (Interview shall be face to face at Madurai)
Days of Working: 5 Days a week
Responsibilities
Job Description:
- Tech Architect with expertise in Java Spring Boot to design and implement robust, scalable, and high-performance backend systems. As a Tech Architect, you will be responsible for shaping the technical direction of complex software projects and providing architectural guidance to engineering teams.
- This role requires deep technical knowledge, leadership skills, and the ability to collaborate with various stakeholders to ensure the successful delivery of solutions that meet business and technical requirements. Experience in the Fintech domain is an added advantage.
Key Responsibilities:
- Architectural Design & Strategy:
- Lead the architectural design and implementation of scalable, maintainable, and secure backend systems using Java, Spring Boot, and microservices architecture.
- Define best practices for code quality, testing, security, and deployment processes. Drive the adoption of modern development methodologies (Agile, DevOps) and frameworks.
- Technical Leadership:
- Provide mentorship and technical guidance to developers and engineers on coding standards, design patterns, and technologies.
- Ensure the architecture is aligned with business goals and technical constraints. Conduct code reviews and enforce best practices to maintain high-quality standards.
- Collaboration:
- Work closely with Product Managers, Business Analysts, and other stakeholders to gather requirements and translate them into technical solutions.
- Collaborate with cross-functional teams to define system requirements, integrate with third-party services, and ensure the overall system design is cohesive.
- Problem Solving:
- Analyze and resolve complex technical challenges, such as performance bottlenecks, scalability issues, and system integrations.
- Evaluate and implement new technologies, tools, and frameworks to continually improve the development process.
- Documentation & Reporting:
- Document architectural designs, technical specifications, and implementation guides.
- Provide regular updates on project progress, risks, and technical challenges to senior leadership.
- Continuous Improvement:
- Stay up to date with emerging technologies, industry trends, and best practices.
- Recommend improvements to system architecture, processes, and technologies to enhance the software development lifecycle.
Interview process: Virtual and Face-to-Face
Skills:
Experience: 9-12 Years
Location: Madurai
Job Type: Full-time
Education: B.E(Any stream)/ B.Tech / M.E / M.Tech. or similar
Skills: Java, Spring Boot, and microservices architecture.
Why Join Us?
- Opportunity to work on cutting-edge solutions for capital markets.
- This is a global role and, hence, will provide opportunities to work with organizations across the globe.
- Learn from experienced professionals and grow into a solution architect, product manager or sales role.
- Opportunity for rapid personal and professional growth.
ATGS official Email
anita at atgs.co.in
Java Developer – Job Description Wissen Technology is now hiring for a Java Developer - Bangalore with hands-on experience in Core Java, algorithms, data structures, multithreading and SQL. We are solving complex technical problems in the industry and need talented software engineers to join our mission and be a part of a global software development team. A brilliant opportunity to become a part of a highly motivated and expert team which has made a mark as a high-end technical consulting. Required Skills: • Exp. - 4 to 7 years. • Experience in Core Java and Spring Boot. • Extensive experience in developing enterprise-scale applications and systems. 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 development experience with RDBMS. • Good knowledge of multi-threading and high-performance server-side development. • Basic working knowledge of Unix/Linux. • Excellent problem solving and coding skills. • Strong interpersonal, communication and analytical skills. • Should have the ability to express their design ideas and thoughts. About Wissen Technology: Wissen Technology is a niche global consulting and solutions company that brings unparalleled domain expertise in Banking and Finance, Telecom and Startups. Wissen Technology is a part of Wissen Group and was established in the year 2015. Wissen has offices in the US, India, UK, Australia, Mexico, and Canada, with best-in-class infrastructure and development facilities. Wissen has successfully delivered projects worth $1 Billion for more than 25 of the Fortune 500 companies. The Wissen Group overall includes more than 4000 highly skilled professionals. Wissen Technology provides exceptional value in mission critical projects for its clients, through thought leadership, ownership, and assured on-time deliveries that are always ‘first time right’. Our team consists of 1200+ 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 offers 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. We have been certified as a Great Place to Work® for two consecutive years (2020-2022) and voted as the Top 20 AI/ML vendor by CIO Insider.
3+ years of experience with development in JAVA technology.
Strong Java Basics
SpringBoot or Spring MVC
Hands-on experience with Relational Databases (SQL query or Hibernate) + Mongo (JSON parsing)
Proficient in REST API development
Messaging Queue (RabitMQ or Kafka)
Microservices
Any Caching Mechanism
Good at problem-solving
Good to Have Skills:
4+ years of experience in using Java/J2EE tech stacks
Good understanding of data structures and algorithms.
Excellent analytical and problem-solving skills.
Ability to work in a fast-paced internet start-up environment.
Experience in technical mentorship/coaching is highly desirable.
Understanding of AI/ML algorithms is a plus.
Job description
Experience: 5+ years
Location: Bangalore
Roles and Responsibilities
- Design and code features in the back-end as per the specifications provided by the Product and Design teams.
- Ship features in fast moving agile sprints.
- Work closely with Product Design and Product Management teams to brainstorm and chalk out details of features.
- Ability to build a feature from scratch & drive it to completion.
- Strong skills in architecting database models.
- Ability to document your code as this will be an open-core project.
- Ability to write unit, integration, and end to end tests.
- Conduct peer code review.
Skills
Must have:
- Strong understanding of Javascript and NodeJS.
- Good understanding of asynchronous programming, callback, and closures.
- Experience developing applications that use queues like SQS, RabbitMQ, Kafka, etc.
- Experience with AWS services like S3, EC2, etc.
- Experience with Docker.
- Should be strong in Postgres database.
- Test driven development and use of frameworks like Mocha, Cypress.
- Strong proficiency in English and writing skills.
Good to have
- Basic knowledge of CI, CD
- Intermediate knowledge in any cloud services (AWS, GCP)
- Have created GraphQL APIs or worked with the Apollo framework.
- Have built previous functionality for CRM, marketing, or customer support tools.
- Have worked in open source project previously.
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You’ll spend time on the following Developing high-volume, low-latency applications for mission-critical systems and delivering high-availability and performance. Write maintainable/scalable/efficient code. Contributing in all phases of the development lifecycle. Continue to innovate and build solutions to support business growth and launch new features. Object-Oriented Analysis and design using common design patterns. Given a fuzzy product requirement, work with other stakeholders, product to understand & refine the requirements and change them to tech requirements Work in a cross-functional team, collaborating with peers during entire SDLC. Managing the developed applications and live support.
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We’re Excited About You If You Have Excellent coding skills in Java/J2EE Strong problem-solving skills, data structures and algorithms. Have experience in building and maintaining large scale web applications in service-oriented architecture. Good Understanding of Java 8 with proven hands-on skills Experience in Spring Framework - Spring Boot, Spring Data, Spring REST Experience in Spring Reactive Good understanding of SQL and MYSQL Knowledge of professional software engineering practices & best practices for the full software development life cycle, including coding standards, code reviews, source control management, build processes, testing, and operations Understands version control branching strategies Understands different major language paradigms (object oriented / functional /reactive) Understanding of AWS is a plus Can reason about complexity of algorithms (time and space) Can debug code at ease and ensure quality code is produced Good verbal and written communication skills
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- Have architected /designed at least 2-3 systems/products of enterprise scale from scratch.
- Have banking and Financial service background and preferably worked in Mobile/Digital platform design and development. Payments /OLTP preferred.
- Should have experience of 20+ years with J2ee, REST, Microservice, API, Messaging, Encryption, security, NLP, ML background.
- Have 7+yrs of experience in Architecture field, designing and end to end not from consulting Architecture.
- Responsible for design, architecture, and delivery of a feature or component/product with the highest quality with high-level directions from architects
- Driving innovations in the platform constantly & remaining ahead of the curve
- Development and testing of features/functions delivered via applications and services.
- Prototype ideas quickly using cutting edge technologies.
- Collaborating with peers and Architects both within their team and across the organization to deliver end-to-end products & features
- Working with product managers using agile methodologies to deliver high quality solutions on time
- Provide functional, design, and code reviews in related areas of expertise with-in team and cross-team.
- Working with operations teams to ensure your applications and services are highly available and reliable
- Mentoring junior engineers in the team both in the technical as well as on the product side
- Define and devise processes, tools and methodologies to achieve excellence in software development, testing and deployment, and in the management of the Centre.
- Good experience in working with any of the programming languages like PHP, Python, Django, Golang, Java, C++
- Experience developing applications that use high volume of data along with experience building applications on top of RESTful APIs.
- Solid knowledge of JAVA, J2EE, data stream, processing, big data etc.
- Comfortable with writing unit tests using JUnit
- Worked with Git and are comfortable with Merge/Rebase concepts.
- Worked with tools such as Eclipse, WebStorm, Ant, Maven, Jenkins, Sonar, JSLint, Grunt and App Servers such as Tomcat, Jboss.
- Solid knowledge of algorithms, design patterns, and componentization approaches.
- Experience and knowledge of open source software, frameworks and broader cutting-edge technologies.
- Experience in software design patterns, problem solving and troubleshooting skills.
- Ability to determine impact of architectural solutions and recommendations.
- Must have experience in justification of technology solutions to business leaders.
- Experience in refactoring existing codebase and in understanding existing implementations to decide to refactor or rewrite.
- Know how to identify Performance bottlenecks and use good coding patterns to avoid them in the first place.
- Have strong attention to detail.
- Ability to operate effectively both independently as well and within a team using Agile methodology.
- Proven problem-solving and interpersonal communication skills.
- Knowledge of payment domain will be an added advantage
Qualifications
- BE/BTech/ME/MTech in EE/CS or an equivalent qualification.
- 20+yrs of Experience.
- Minimum 12+years of hands on Java programming experience.









