Tech Lead

JOB DESCRIPTION

Experience: 4-7 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. - 4-7 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.

Senior Software Engineer

Responsibilities:

• Lead by the principle of "customer first" to analyse, debug, develop, and maintain customer-centric software.

• Collaborate closely with multidisciplinary teams to analyse, debug and fix issues with high quality code, zero regressions, scalable, innovative technical solutions.

• Optimizing components for maximum performance and scalability

• Participates in R&D, Proof of Concepts, Prototyping, Code review, Root Causing, etc.

• At least 2-3 yrs of experience in taking full ownership of software development lifecycle including planning, design, architecture, development, test & deployment. And 2+ years of experience in supporting production or customer issues and escalations.

• Review and analyze support tickets that are complex in nature and require more technical knowledge to analyze. Investigate issues to identify root causes and document findings clearly.

• Influences the development practices so that they follow best practices, policies, and procedures.

• Ensure software products meet all non-functional requirements including operational and security needs.

• Excellent verbal and written communication skills, problem solving skills.

• Address complex technical challenges within software systems, ensuring robustness, compliance, and customer satisfaction.

• Contribute to knowledge base

• Support the Lead and Mentor the team of software engineers and own the technical health of the service the team is working on.

Requirements:

• Bachelor’s or Master’s degree in Computer Science, Engineering, or a related field.

• Minimum of 5 years of professional experience in Java development with expertise in core Java, JDK, data structures, and multithreading.

• Strong analytical skills with experience in root cause analysis and fixes • Strong experience with Spring and Spring Boot frameworks.

• Strong understanding of software design principles, architecture, and best practices

• Familiarity with server technologies, including Tomcat and WebLogic.

• Proficiency in working with relational databases such as Oracle and PostgreSQL

• Experience with messaging queues, particularly JMS MQ or Artemis MQ.

• Possess exceptional debugging and troubleshooting skills to resolve complex issues across the entire, cross-functional technology stack

• Awareness / exposure to debugging Frontend applications (ReactJS / .Net) is a good to have.

• Exposure to Kubernetes, containerization and cloud (AWS) technologies in building scalable, resilient, and distributed environments.

• Excellent problem-solving skills and the ability to work in a fast-paced and in production customer sensitive environments.

• Strong communication and collaboration skills. Quick learner.

• Experience and knowledge in working in the HRP application – specifically the Claims functionality. Added experience in other areas including Enrollment, Billing, Financials is a plus. Candidate must have worked previously in HRP

• Familiarity with ticketing systems (Jira, SalesForce) and production support workflows.

Required Skills for the Java role :

• Experience in Core Java, CXF, Spring.
• Experience in spring boot, microservices.
• Extensive experience in developing enterprise-scale n-tier applications for the 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 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
• 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.
• Bachelor's/Master’s degree in Computer Science or related field from a top-tier institute (IIT, NIT, BITS, etc.).

Java Tech Lead (5–6 Years Experience)

About the Role

We are seeking a highly skilled Java Tech Lead with 5–6 years of hands-on experience in backend engineering, architecture design, and leading development teams. 

The ideal candidate will combine strong technical expertise in Java frameworks with a deep understanding of system design, scalability, and performance optimization.

This role involves technical leadership, code reviews, and architectural decision-making for complex enterprise systems — with occasional exposure to analytics-driven and Python-based components.

Key Responsibilities

• Architect, design, and develop scalable backend systems using Java (Quarkus, Spring Boot, Spring, Java EE).
• Own the architecture — ensure modular, extensible, and high-performance service design.
• Lead and mentor a team of developers; conduct code reviews, enforce best practices, and ensure high code quality.
• Collaborate with cross-functional teams (frontend, DevOps, product, data) to deliver integrated, end-to-end solutions.
• Design and optimize database schemas (MySQL, PostgreSQL) and ensure efficient query performance.
• Implement and maintain microservices and distributed systems with strong fault tolerance and observability.
• Drive the adoption of modern development workflows — Git branching strategy, CI/CD, and code quality automation.
• Analyze system performance bottlenecks, implement monitoring, and ensure smooth production deployments.
• Contribute to architecture reviews, technical documentation, and design discussions.
• Occasionally contribute to Python-based analytics modules or automation scripts.
• Work with AWS cloud services (EC2, S3, RDS, Lambda) for deployment, scaling, and infrastructure automation.

Required Skills & Qualifications

• 5–6 years of professional experience in backend application development using Java.
• Strong proficiency in Java frameworks: Quarkus, Spring Boot, Spring, Java EE.
• Proven experience in architecture design, system decomposition, and microservices design principles.
• Solid understanding of object-oriented design (OOD), design patterns, and SOLID principles.
• Strong experience with relational databases (MySQL, PostgreSQL) and query optimization.
• Good understanding of event-driven systems, RESTful APIs, and asynchronous processing.
• Proficiency in Git for version control and team collaboration.
• Strong analytical and debugging skills; ability to diagnose complex production issues.

Good to Have

• Hands-on experience with Python for data processing or analytics integrations.
• Familiarity with AWS cloud architecture and cost optimization practices.
• Experience with CI/CD pipelines (GitHub Actions, Jenkins, GitLab CI).
• Knowledge of Docker/Kubernetes for containerized deployments.
• Exposure to NoSQL databases (MongoDB, DynamoDB, Cassandra).
• Experience with message queues (Kafka, RabbitMQ, or AWS SQS).
• Understanding of system scalability, caching (Redis/Memcached), and observability stacks (Prometheus, Grafana, ELK).

Soft Skills

• Strong leadership, mentoring, and communication skills.
• Proven ability to drive technical decisions and balance short-term delivery with long-term architectural health.
• Collaborative mindset — works closely with product, design, and operations teams.
• Passion for clean architecture, high performance, and continuous improvement.
• Self-driven with a strong sense of ownership and accountability.

Role & responsibilities

• Design, develop, test, and deploy high-quality Java applications.
• Collaborate with cross-functional teams to define, design, and ship new features.
• Write well-designed, testable, and efficient code using best practices.
• Troubleshoot production issues and provide timely solutions.
• Work with databases, APIs, and third-party services.
• Ensure security and performance of applications.
• Participate in Agile/Scrum processes, including sprint planning and stand-ups.

Required Skills & Qualifications:

• Strong proficiency in Core Java, OOPs, and Java 8+ features.
• Experience with Spring Framework (Spring Boot, MVC, Security, etc.).
• Excellent debugging and problem-solving skills
• Familiarity with RESTful APIs and Microservices Architecture.
• Experience with JPA/Hibernate and SQL/NoSQL databases.
• Knowledge of Maven/Gradle, Git, and CI/CD pipelines.
• Exposure to cloud platforms (AWS, Azure, GCP) is a plus.
• Familiar with unit testing frameworks (JUnit, Mockito, etc.).
• Understanding of design patterns and software engineering principles.
• Bachelor's degree in computer science or related field.

Preferred candidate profile

• Frontend experience with Angular/React.
• Exposure to containerization (Docker, Kubernetes).
• Experience in performance tuning or profiling Java applications.
• Familiarity with message brokers (Kafka, RabbitMQ).

Primary duties and responsibilities include:

·         Candidate should be able to work independently with client and should possess excellent written and verbal communication skills.

·         Work closely with experienced integration, frontend, or backend development teams

·         Contribute to estimation and scoping of projects

·         Work on presales environment for checking feasibilities for customer requirement.

Required Experience

·         Bachelor’s degree in Computer Science, or equivalent work experience

·         8 to 10 years of programming experience—preferably with Java 8+, and other tool support

·         5 years of Java # 6 experience

·         Should have experience in executing project independently.

·         Demonstrated ability of Design Patterns and to write efficient, reusable rest services and libraries

·         Experience with agile software development methodologies and software development best practices, pair programming and CI/CD

·         Excellent written and verbal communication skills

·         Excellent analytical skills for solution building of customer requirements.

·         Good knowledge of datastores (RDBMS, Oracle, SQL)

·         Must have in depth understanding of the L1, L2, L3 support environment.

·         Experience in Java, JavaScript, CSS, HTML, XML and other web technologies

·         Strong understanding of network OS and system configurations.

·         Familiarization with OSLC and REST APIs

·         Ability to successfully lead offshore development teams and work in global delivery model- US, India, Germany

·         Knowledge of LDAP

·         Experience with Microsoft Office products- Word, Excel, Powerpoint

·         Experience with other Requirements Management Tools (Polarion, PTC Integrity) will be a value add

Preferred Experience

·         Understanding of high-availability, fault-tolerant, scalable, distributed systems

·         Working knowledge of iText 7, OpenFeign, RabbitMQ/JMS, Mockito and jUnit/nUnit, Spring Cloud


Salary is not constriant. Candidate should have interest to new things.