Lead Java Developer

JOB DESCRIPTION

Experience: 5-8 years

Location: Mumbai

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. - 5-8 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 Us:

At Wissen Technology, we deliver niche, custom-built products that solve complex business challenges across industries worldwide.

Founded in 2015, our core philosophy is built around a strong product engineering mindset—ensuring every solution is architected and delivered right the first time. Our commitment to excellence translates into delivering 2X impact compared to traditional service providers. How do we achieve this? Through a combination of deep domain knowledge, cutting-edge technology expertise, and a relentless focus on quality. 

We don’t just meet expectations—we exceed them by ensuring faster time-to-market, reduced rework, and greater alignment with client objectives. We have a proven track record of building mission-critical systems across industries, including financial services, healthcare, retail, manufacturing, and more. 

Wissen stands apart through its unique delivery models. Our outcome-based projects ensure predictable costs and timelines, while our agile pods provide clients the flexibility to adapt to their evolving business needs. Whether it’s AI/ML for unstructured data processing, cloud enablement, or data engineering, Wissen leverages its thought leadership and technology prowess to drive superior business outcomes. Our success is powered by top-tier talent. Our proprietary Interview Ninja platform ensures we hire the best, building high-performing teams that deliver unmatched results. 

Today, Wissen Technology has a global footprint with 2000+ employees across offices in the US, UK, UAE, India, and Australia. Our mission is clear: to be the partner of choice for building world-class custom products that deliver exceptional impact—the first time, every time.

Website : www.wissen.com 

Job Title: Tech Architect - Java Spring Boot

Company Name: Chella Software Private Limited

Company Website

https://www.chelsoft.com/

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:

1. 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.

1. 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.

1. 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.

1. 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.

1. Documentation & Reporting:

• Document architectural designs, technical specifications, and implementation guides.
• Provide regular updates on project progress, risks, and technical challenges to senior leadership.

1. 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

• Strong Java programming skills
• Minimum of 5 years practical software development experience
• Robust object-oriented design pattern knowledge and implementation experience using Java;
• Python a plus
• Advanced knowledge and experience developing and working with relational databases such as
• Sybase and MySQL
• Experience with multi-tier application architecture and high performance distributed and in-
• memory caching solutions
• Strong understanding of data modeling techniques
• Strong foundation in SDLC best practices including test driven development, unit testing
• discipline, agile development, and CI/CD strategies

Role: Java Developer

Location: Bengaluru - Hybrid

Mode: Full Time

Job Description: We are looking for a talented and motivated Software Engineer with expertise in both Windows and Linux operating systems and solid experience in Java technologies. The ideal candidate should be proficient in data structures and algorithms, as well as frameworks like Spring MVC, Spring Boot, and Hibernate. Hands-on experience working with MySQL databases is also essential for this role.

Responsibilities:

● Design, develop, test, and maintain software applications using Java technologies.

● Implement robust solutions using Spring MVC, Spring Boot, and Hibernate frameworks.

● Develop and optimize database operations with MySQL.

● Analyze and solve complex problems by applying knowledge of data structures and algorithms.

● Work with both Windows and Linux environments to develop and deploy solutions.

● Collaborate with cross-functional teams to deliver high-quality products on time.

● Ensure application security, performance, and scalability.

● Maintain thorough documentation of technical solutions and processes.

● Debug, troubleshoot, and upgrade legacy systems when required.

Requirements:

● Operating Systems: Expertise in Windows and Linux environments.

● Programming Languages & Technologies: Strong knowledge of Java (Core Java, Java 8+).

● Frameworks: Proficiency in Spring MVC, Spring Boot, and Hibernate. ● Algorithms and Data Structures: Good understanding and practical application of DSA concepts.

● Databases: Experience with MySQL – writing queries, stored procedures, and performance tuning.

● Version Control Systems: Experience with tools like Git.

● Deployment: Knowledge of CI/CD pipelines and tools such as Jenkins, Docker (optional)

Hey Folks!

We are hiring java developers with Core java-7/8, microservices, springboot, oops, RestAPI and SQL skills.

About Us

Rezo.ai is an AI-Powered Contact Center that enables enterprises to enhance customer experience and boost revenue by automating and analyzing customer agent interactions across multiple channels including voice, email, chat/WhatsApp, and social, at the required scale, whilst training agents with minimal costs

How do we do it

Rezo’s AI-Powered contact center leverages groundbreaking technologies in AI, ML, ASR, NLP, RPA, and predictive intelligence to transform customer experience and reduce costs by automating, and analyzing customer-agent conversations across multiple channels including voice, email, chat/Whatsapp, and social media, whilst coaching them. 

What Makes You A Good Fit :

• You are passionate about technology and software development
• You are continuously experimenting and learning more
• You love solving problems and digging into complex problems
• You believe in taking decisions as close to the product and technical expertise as possible.
• You believe in creativity, trying new things and learning from your mistakes.
• You believe in sharing insights and helping one another to build an even better user plan.

Key Skills Required:

• 3-8 years of Experience in Java Product Development.
• Good understanding of MYSQL.
• Practitioner of clean code and SOLID principles
• Exposure to GIT and Maven
• Good verbal and written communication skills
• Understands different major language paradigms (Object Oriented and Functional)
• Understanding and Experience with Multi-Threaded Applications
• Prior Experience in a SAAS Product company is a Plus 
• Experience with Managing Team is a plus

Educational Background:

• Bachelor's/Master’s degree in Computer Science Engineering from Tier 1 College is a Plus.

Why You Should Join Rezo.AI

• You will be surrounded by Passionate Team Members with Exposure to Product Building
• You will be learning About various Product Development Cycles
• Big Career Opportunities
• Learning by doing
• The Opportunity of Innovation
• Recognition
• Enhanced Responsibility and Team Management

Cultural fitment 

Work at the heart of AI and customer engagement.

If you are fascinated by AI and looking to work with the latest AI technologies, in a fast growing and flexible work environment with immense growth opportunities, come and join us.

Rezo is the place to be if you want to work in an atmosphere where you can do meaningful research, contribute to the platform, and grow fast.

Culture/Values

We believe that allowing employees to pursue their interests and challenge the existing quo only helps to make Rezo a successful workplace. To that end, we are committed to assisting our employees in enhancing the skills that are vital to their professional growth.

FOCUS, INTEGRITY, TEAMWORK, PASSION, INNOVATION

Why Us?

We are a fast-paced start-up with some of the best talents from diverse backgrounds. Working together to solve customer service problems. We believe a diverse workforce is a powerful multiplier of innovation and growth, which is key to providing our clients with the best possible service and our employees with the best possible career. Diversity makes us smarter, more competitive, and more innovative.

Visit our website: https://rezo.ai/">https://rezo.ai/ for more information

• Design, build and maintain efficient, reusable, and reliable Java code. 
• Providing technical oversight to the team, involved in design and code review.
• You would also be spending most of the time in development activities in varied technologies and should have a passion to write code.
• Should be able to create good technical documents.
• Translate application storyboards and use cases into functional applications.
• Ensure the best possible performance, quality, and responsiveness of the applications.
• Identify bottlenecks and bugs, and devise solutions to these problems - Help maintain code quality, organization, and automatization. 
• Prepare the technical design of complex technology components as well as suggest the pros and cons of using a certain technology stack or component or design pattern versus another, to the clients.
• Team Management.

• Qualifications: BTECH/MTECH/MCA/MSc.
• Proficient in Java, with a good knowledge of its ecosystems with a knack for writing clean, readable Java code, writing reusable Java libraries along with knowledge of multithreading, concurrency patterns, and collections in Java. 
• Solid understanding of object-oriented programming along with various design and architectural patterns.
• Hands on experience with JMS, JPA, Spring (MVC, Boot & Cloud preferred) & Hibernate.
• Familiarity with concepts of MVC, JDBC, and RESTful.  Experience with Presentation Layer (JSP/Servlets), JS Frameworks (Angular, jQuery, react, etc.).
• Creating database schemas that represent and support business processes and experience with both external and embedded databases. Implementing automated testing platforms and unit tests.
• Proficient understanding of code versioning tools, such as Git, Ant, Maven, and Gradle; continuous integration.
• Knowledge in xml based mappings, SAML, rest clients, CAS authentication and Jetty.
• Knowledge of Apache Camel and Kafka and Drools Rule Engine is preferred.

1. 2+ years of experience building REST APIs with Java
2. 1+ years of experience in maintaining REST APIs documentation.
3. 2+ years of experience programming and delivering in a production environment
4. Expertise working with data structures and algorithms
5. Proficiency in object-oriented programming and experience applying modern design patterns.