Java +Spring boot , Microservices + AWS

8–12 years of experience in Java application development.

Strong hands-on experience with Java, Spring, Spring Boot, and Hibernate/JPA.

Proficiency in SQL and relational databases (Oracle, SQL Server, PostgreSQL, or MySQL).

Experience in SQL query optimization, indexing, execution plan analysis, and database performance tuning.

Knowledge of REST APIs, Microservices, Maven/Gradle, Git, and JUnit.

Familiarity with CI/CD tools and Agile methodologies.

About Wissen Technology:

·         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. We help clients build world class products.

·         Our workforce consists of 550+ 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 has grown its revenues by 400% in these five years without any external funding or investments.

·         Globally present with offices 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.

·         Wissen Technology has been certified as a Great Place to Work®.

·         Wissen Technology has been voted as the Top 20 AI/ML vendor by CIO Insider in 2020.

·         Over the years, Wissen Group has successfully delivered $650 million worth of projects for more than 20 of the Fortune 500 companies.

·         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.

We have served clients across sectors like Banking, Telecom, Healthcare, Manufacturing, and Energy. They include the likes of Morgan Stanley, MSCI, State Street Corporation, Flipkart, Swiggy, Trafigura, GE to name a few.

Company Name – Wissen Technology

Group of companies in India – Wissen Technology & Wissen Infotech

Work Location - Bangalore/Mumbai

Java Developer – Job Description

Wissen Technology is now hiring for a Java Developer - Mumbai 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+ 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.

Job Responsibilities

✓ Perform the role of Technical Lead on assigned projects to drive solution design (especially backend) and API services development.

✓ Be the thought leader and champion for above mentioned technologies.

✓ Drive technical analysis for new projects including planning and driving proof-of-concepts, if needed.

✓ Drive tasks related to backend development by providing architectural and technical leadership to mid-tier and database developers.

✓ Conduct peer reviews as the lead into Git to confirmed that developed code meets acceptable standards and guidelines.

✓ Work closely with the rest of the leads, mid-tier development, front-end developers, database developers, etc. to ensure end-to-end integrity of the solution being developed.

✓ Work closely with the rest of the tech leads and senior engineering leadership team to ensure reuse where applicable to increase productivity and throughput.

✓ Conduct technical interview to staff open positions in the backend team.

✓ Delegate work and assignments to team members

✓ Collaborate with their team to identify and fix technical problems

✓ Analyze users' needs and then finding applications to serve them

✓ Drive assigned tasks related to SOC 2 certification and ensure compliance to defined controls for areas under lead’s purview.

✓ Guiding their team through technical issues and challenges

✓ Prepare Technical design documents which would help the team to understand the technical flow

✓ Active participation in customer calls especially discussions related to Technical/Architectural and provide inputs.

Required Experience: 

✓ Backend Lead around 14 years of experience

✓ Server less Computing Architecture

✓ NodeJS, MySQL, Jenkins, Python, GitLab Technologies

✓ Good knowledge of AWS Cloud

✓ Full cycle AWS implementation experience

✓ Project experience in development and maintenance support for AWS web service and Cloudbased implementations

✓ Experience leading teams of up to 10 + professionals

Ability to manage multiple tasks and projects in a fast-moving environment 

Educational Qualifications: 

Engineering graduate or B. Tech/MCA with relevant major subjects like Computer Science

Role & Responsibilities :

- Individuals are responsible for all traditional development activities analysis, design, coding, testing, and documentation.

- Add new features to existing Windows and Web-based applications in Visual Studio 2019. Interacting with internal team.

- Transform business and design needs into innovative products.

- Drive all projects to completion within deadlines.

- Perform thorough testing to find issues ahead of time.

- Engineering software needs more precise analysis & coding skillset.

- Enhance skillset by working with fortune 500 clients.

- Interacting with internal team.

Qualifications :

- B.E in computer science or related fields.

- Excellent programming & communication skills Strong problem solving, judgmental, and decision-making skills.

- Ability to work at the tactical and strategic levels of IT initiatives.

- Impressive hands-on experience in Java, database(Oracle), OOPS, Java Swing, Javafx

- Self-Motivated, flexible & Innovative.

We are seeking a skilled NestJS/PostgreSQL Developer to join our development team. As a NestJS/PostgreSQL Developer, you will be responsible for designing and implementing server-side applications, APIs, and databases using NestJS framework and PostgreSQL. You will work closely with other developers, stakeholders, and project managers to deliver high-quality software solutions.

Responsibilities:

1. Develop server-side applications and APIs using the NestJS framework.
2. Design and implement efficient and scalable database schemas using PostgreSQL.
3. Collaborate with front-end developers to integrate server-side logic with the user interface.
4. Write clean and maintainable code following best practices and coding standards.
5. Conduct code reviews and provide constructive feedback to improve code quality.
6. Optimize application performance and troubleshoot any issues or bugs.
7. Work closely with stakeholders to understand requirements and translate them into technical solutions.
8. Participate in the entire software development lifecycle, including planning, designing, coding, testing, and deployment.
9. Stay up-to-date with the latest trends and technologies in web development, NestJS, and PostgreSQL.

Requirements:

1. Bachelor's degree in Computer Science, Engineering, or a related field.
2. Proven experience (2-5 years) in server-side application development using NestJS framework.
3. Strong knowledge of TypeScript and JavaScript.
4. Experience with PostgreSQL or other relational databases.
5. Proficiency in building and consuming RESTful APIs.
6. Familiarity with Git version control system.
7. Good understanding of software development principles, design patterns, and best practices.
8. Excellent problem-solving and debugging skills.
9. Strong communication and collaboration skills.
10. Ability to work independently as well as in a team environment.

Preferred Qualifications:

1. Experience with other JavaScript frameworks such as Angular or React.
2. Knowledge of microservices architecture and containerization (e.g., Docker).
3. Familiarity with cloud platforms like AWS, Azure, or GCP.
4. Experience with testing frameworks (e.g., Jest, Jasmine).
5. Understanding of Agile/Scrum development methodologies.

• Proficiency in Java, with a good understanding of its ecosystems
• Sound knowledge of Object-Oriented Programming (OOP) Patterns and Concepts
• Familiarity with different design and architectural patterns
• Skill for writing reusable Java libraries 
• Knowhow of Java concurrency patterns
• Basic Understanding of the concepts of MVC (Model-View-Controller) Pattern, JDBC (Java Database Connectivity), and RESTful web services
• Experience in working with popular web application frameworks like Play and Spark