
Java Technical Lead
We are solving complex technical problems in the financial 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.
Experience: 10+ years
Location: Mumbai
Job Description:
• Experience in Core Java, Spring Boot.
• Experience in microservices.
• 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: 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.

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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Key Responsibilities:
- Design, develop, and maintain scalable backend applications using Java and Spring Boot.
- Build and consume RESTful APIs and ensure secure, reliable API integrations.
- Develop microservices-based architecture and deploy applications in cloud environments.
- Work with cloud platforms such as AWS/Azure/GCP for application deployment and management.
- Write clean, maintainable, and efficient code following best practices.
- Implement CI/CD pipelines and support DevOps practices.
- Optimize applications for performance, scalability, and reliability.
- Collaborate with cross-functional teams including frontend, QA, DevOps, and product teams.
- Participate in code reviews, technical design discussions, and architectural decisions.
- Troubleshoot production issues and provide timely resolution.
Required Skills & Qualifications:
- 5–10 years of hands-on experience in Java (Java 8 or above).
- Strong experience with Spring Boot, Spring MVC, Spring Data, Spring Security.
- Solid understanding of RESTful API design & development.
- Experience in microservices architecture.
- Hands-on experience with at least one cloud platform (AWS / Azure / GCP).
- Knowledge of containerization tools like Docker and orchestration tools like Kubernetes.
- Experience with relational and/or NoSQL databases (MySQL, PostgreSQL, MongoDB).
- Familiarity with CI/CD tools (Jenkins, GitHub Actions, etc.).
- Strong understanding of Git and version control practices.
- Good understanding of design patterns and object-oriented programming principles.
Job Description
The ideal candidate will possess expertise in Core Java (at least Java 8), Spring framework, JDBC, threading, database management, and cloud platforms such as Azure and GCP. The candidate should also have strong debugging skills, the ability to understand multi-service flow, experience with large data processing, and excellent problem-solving abilities.
JD:
- Develop, and maintain Java applications using Core Java, Spring framework, JDBC, and threading concepts.
- Strong understanding of the Spring framework and its various modules.
- Experience with JDBC for database connectivity and manipulation
- Utilize database management systems to store and retrieve data efficiently.
- Proficiency in Core Java8 and thorough understanding of threading concepts and concurrent programming.
- Experience in in working with relational and nosql databases.
- Basic understanding of cloud platforms such as Azure and GCP and gain experience on DevOps practices is added advantage.
- Knowledge of containerization technologies (e.g., Docker, Kubernetes)
- Perform debugging and troubleshooting of applications using log analysis techniques.
- Understand multi-service flow and integration between components.
- Handle large-scale data processing tasks efficiently and effectively.
- Hands on experience using Spark is an added advantage.
- Good problem-solving and analytical abilities.
- Collaborate with cross-functional teams to identify and solve complex technical problems.
- Knowledge of Agile methodologies such as Scrum or Kanban
- Stay updated with the latest technologies and industry trends to improve development processes continuously and methodologies.
Company Name – Client Freshworks,Location : Perungudi Chennai (Hybrid)
- Strong written/verbal communication skills
- Minimum 3+ Years of Core Java Programming with Collections Framework, Concurrent Programming, Multi-threading (Good knowledge in Executor service, Fork joins pool and other threading concepts)
- Good knowledge of the JVM with an understanding of performance and memory optimization.
- Extensive and expert programming experience in JAVA programming language (strong OO skills preferred).
- Excellent knowledge on collections like, Array List, Vector, LinkedList, HashMap, Hash Table, HashSet is mandate.
- Exercised exemplary development practices including design specification, coding standards, unit testing, and code-reviews.
- Expert level understanding of Object-Oriented Concepts and Data Structures
- Good experience in Database (Sybase, Oracle or SQL Server) like indexing (clustered, non-clustered), hashing, segmenting, data types like clob / blob, views (materialized), replication, constraints, functions, triggers, procedures etc.
Software Engineer – Tech Lead
- You are your own master. We don't preach you, we just allow you to Innovate, Iterate, Learn and Adapt
- Work with one of India's leading fintech unicorn company
- ESOPs in the company
Requirements
- 6+ yrs of exposure in the art of writing code and solving problems on large scale.
- Should be language agnostic, with extensive and expert programming experience in any one programming language (strong OO skills preferred).
- Deep experience in at least one general programming language. Preferred (Java,Scala, C++)
- A solid foundation in computer science, with strong competencies in data structures,
algorithms, and software design.
- Worked end to end on 2-3 complex projects
- Worked in startup like environment with high levels of ownership and commitment
- Experience in building highly scalable business applications, which involve implementing
large complex business flows and dealing with huge amount of data.
- Extensive experience on working with distributed technologies like Kafka, MongoDb,
Redis/Aerospike, MySQL, AWS etc
- Experience with multi-threading and concurrency programming
- Ability to switch between the technologies and learn new skills on the go.
Roles and responsibilities
Drive discussions to create/improve the product, process and technology
- Build abstractions and contracts with separation of concerns for a larger scope
- Rapid prototyping
- Robust and scalable web-based applications
- Do high-level design with guidance; Functional modelling, break-down of a module
- Thinking platforms & reuse, the open-source contribution will be a plus
- Do incremental changes to architecture: impact analysis of the same
- Do performance tuning and improvements in large scale distributed systems
- Mentor young minds and foster team spirit
We are looking for an experienced Node.js Developer with at least 3-years of experience. In this role, you will be responsible for developing and maintaining server-side applications and building scalable applications using Node.js. It is a WFH/Remote, full-time position.
Responsibilities
- Design and develop RESTful APIs using Node.js
- Build and maintain high-performance, reusable, and reliable code
- Write unit and integration tests for all code changes
- Developing and maintaining all server-side network components
- Designing customer-facing UI and back-end services for various business processes
- Collaborate with cross-functional teams to define, design, and ship new features
- Optimize application performance and ensure scalability and reliability
- Troubleshoot and debug issues in the application codebase
- Documenting Node.js processes, including database schemas, as well as preparing reports
Qualifications
- 3+ years of experience designing and/or developing applications using node.js
- Extensive knowledge of JavaScript, web stacks, libraries, and frameworks
- Strong experience with ExpressJS or Restify frameworks
- Very well understanding of Javascript, Browsers, real time communication
- Experience with ReactJS & MongoDB is a plus
- Strong fundamentals in OOPS, Data structured and Design Patterns
- Knowledge of front-end technologies such as HTML5 and CSS3
Understanding of enterprise application development and deployment.
Good understanding OOPS and Design Patterns and experience of tools like Enterprise Architect.
Good knowledge of RDBMS design, programming and DBA concepts and experience of working in SQL Server and Oracle databases.
Good Design, Coding and Testing skills.
Knowledge and exposure to Service Oriented Architecture, Enterprise
Service Bus and application Integration (using middleware).
Experience of working in electricity utility domain – preferably in
EA/AMR/AMI/EMS/IT System Integration/ERP (for Utilities) projects
Mobility based software development, GPRS, GSM Knowledge of BI tools implementation.
Experience in mobility based applications will be an added advantage.
- Required 4+ years of experience in Java.
- Hands on professional experience using Core Java, Java Restful APIs, Gradle, Spring, Spring Boot and related frameworks.
- Hands on experience creating/consuming web services and data Data queries in SQL
- 2+ years’ experience of working with geographically dispersed teams, that fall across different time zones
- Experience with distributed architecture including web services and technologies
- Developing POCs
- Working knowledge of JIRA or other ALM tools to create a productive, high quality development environment








