Java Developer

JOB DESCRIPTION

Experience: 4-7 years

Location: Bangalore

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.

Job Title : Senior Software Engineer

Location : Gurugram (Full-time)

Job Description :

• We are looking for a skilled and experienced Java Engineer to join our dynamic team.
• The ideal candidate will have 4 to 10 Years of hands-on experience in software development, with a proven experience as Java Developer with a strong focus on Spring and Spring Boot, Relational Databases and AWS technologies.
• Strong understanding of monolithic & microservices architecture. You will play a crucial role in designing, developing, and maintaining our applications.
• Ensuring their performance, quality and responsiveness.

Key Responsibilities :

● Design, develop, and maintain scalable applications using Java, Spring and Spring Boot.

● Develop and manage relational databases. Should be able to write complex SQL queries.

● Ensure the best possible performance, quality, and responsiveness of the applications.

● Have strong debugging skills to identify bottlenecks and bugs, and devise solutions to mitigate and address these issues.

● Deploy, manage, and scale applications on AWS.

● Conduct code reviews and integration testing to ensure software quality and reliability.

● Collaborate with front-end developers to integrate user-facing elements with server-side logic.

● Collaborate with cross-functional teams to define, design, and ship new features.

● Stay updated with emerging technologies and industry trends.

Qualifications :

● Bachelor’s degree in Computer Science, Information Technology, or a related field.

● 4 to 10 Years of experience in software development.

● Proficient in Java 8+, Spring and Spring Boot.

● Experience with PostgreSQL, MySQL or other relational databases.

● Experience with microservices architecture.

● Understanding of Rest API design and development.

● Hands on experience with Unit Testing frameworks such as Junit, Mockito.

● Experience with version control systems such as Git.

● Solid understanding of object-oriented programming.

● Strong problem-solving skills and attention to detail.

● Excellent communication and teamwork skills.

Preferred Qualifications :

● Strong knowledge of AWS services and best practices.

● Knowledge of containerization technologies like Docker and Kubernetes.

● Familiarity with CI/CD pipelines and DevOps practices.

Job Title : Senior Java Developer

Experience : 6+ Years

Shift Timing : 01:00 PM to 10:00 PM

Domain : Clinical Research

Location : Noida, Gurgaon & Pune

Mandatory Skills :

Java 8+, Hibernate, Oracle, PostgreSQL, JAX-RS (RestEasy), Jackson, REST APIs, JSP, React.js, GitHub, GitHub Actions, SonarQube, SonarLint, and AWS (IAM, SNS, SQS, S3, CloudWatch).

Job Summary :

We are looking for an experienced Senior Java Developer with 6+ years of experience to join the software development team of a leading Clinical Research organization.

The role involves developing and enhancing enterprise applications, building scalable APIs, and contributing to feature development while ensuring code quality and best practices.

Key Responsibilities :

• Develop and maintain enterprise applications using Java 8+ and Hibernate.
• Design and consume RESTful APIs using JAX-RS (RestEasy) and Jackson.
• Work with Oracle and PostgreSQL databases, including complex query writing.
• Develop UI components using JSP and React.js.
• Utilize GitHub and GitHub Actions for version control and CI/CD processes.
• Ensure code quality through SonarQube and SonarLint.
• Work with AWS services including IAM, SNS, SQS, S3, and CloudWatch.
• Collaborate with cross-functional teams to deliver high-quality solutions.

Note : Candidates should preferably be sourced from organizations within the Grid ecosystem.

About Company

Our client is in the business of delivering cutting-edge software solutions, hardware systems, and IT services. It lends the right technological edge to governments and businesses. This enables them to achieve their organizational objectives efficiently and effectively to scale their businesses to newer heights.

Minimum Requirements/Qualifications:

• Bachelor’s/Master’s degree in computer science, Computer Engineering or a related field is preferred.

• Must have at least 5 to 7 years of experience in application development (Java,Spring Framework), Deployment(Apache Tomcat & Nginx)

• Sound knowledge of Object-Oriented Programming (OOP) Patterns and Concepts.

• Knowledge & hands-on experience of Java, Spring Framework, Spring Security, JSP, Apache Tomcat, Nginx is a must.

• Must have experience with Bootstrap CSS, jQuery etc.

• Basic Understanding of PostgreSQL, MVC (Model-View-Controller) Pattern, JDBC (Java Database Connectivity), and RESTful web services.

• Relevant Knowledge of Java GUI frameworks according to project requirements.

• Experience in handling external and embedded databases.

Roles & Responsibilities

• Develop new modules, patches & Updates/upgrades for an existing application (developed in-house by the client)

• Bug fixing, and updating of software.

• Analyze user requirements to define business objectives.

• Maintain Java-based applications that can be high-volume and low-latency.

• Identify and resolve any technical issues arising.

• Write well-designed, testable code.

• Conducting software analysis, programming, testing, and debugging.

• Support continuous improvement, investigating alternatives and technologies, and presenting for architectural review.

Required Skills:

• 3+ year of experience in Development in JAVA technology.
• Strong Java Basics
• SpringBoot or Spring MVC
• Hands on experience on 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.

JAVA SPRING BOOT DEVELOPER - Immediate Joiners

Work Experience: 4-7 years

Work location: Hyderabad

Must Have Skills: Spring Boot

Desired Candidate Profile

Proficiency in core Java & Spring framework

Expertise in Web Service technologies.

Excellent knowledge in Databases and code integrations such as Postgres SQL, SQL Server, MySQL

Experience with Java Spring Boot, Hibernate Cloud Services, AWS, S3, Server-less lambda functions
Experience with security principles and frameworks
Knowledge of modern authorization mechanisms, such as JSON Web Token and OAuth2 - Familiarity with code versioning tools such as Git, etc.

Essential skills are Core Java/J2EE, functional aspects, Spring Framework, Swagger, Tomcat, SVN, Git, Postman/Newman.

Should have worked in Agile methodologies.

Good object oriented and problem solving skills.

Strong communication skills along with the ability to work in a highly collaborative environment.

Role & Responsibilities

- Design and develop features using Java, Spring, and Hibernate

- Ability to design database schema, develop views and stored procedures

- Maintain existing software systems by identifying and correcting software defects

- Review and analyse business requirements and provide technical feasibility and estimates

- Coordinate the workflow between the UX team and front end developers

Qualification

- 4-7 years of work experience developing Java-based backend applications

- Around 2 year of work experience using Spring Boot, Spring Cloud and Microservices

- Bachelor degree in computer science, or information technology, or other related field of study

Dot is a technology start-up, operating in Fintech and e-commerce space. With the aim to
revolutionize offline-to-online(O2O) space, Dot strives to enable digital transformation of Offline businesses using smart innovations. This is a huge market, serving the 1.3 billion strong Indian population.

The start-up is led by a strong and experienced team. It has already raised seed funding of ~US$ 35.5 Million from renowned investors.

To know more, head over to: www.dotpe.in

About the Founders
The company is led by an experienced team, three ex-PayU employees - Shailaz Nag, Gyanesh Sharma & Anurag Gupta, with proven expertise & knowledge of the fintech space as well as experience in building & managing companies.

Shailaz Nag is a well known visionary entrepreneur. He was ex-Managing Director and co-founder of PayU, (India’s largest and profitable Payment Company) which is currently valued at US$ 3 Billion. He was also one of the founding members of Ibibo Group. Shailaz Nag is a Chartered Accountant and also holds an MBA degree.

Gyanesh Sharma is an IIT Delhi alumnus, holding a B.Tech. degree in Computer Science. He has strong experience in leading tech teams, holding position of
● CTO at Shopclues
● Head of engg. at PayU
● Engg. Head at MakeMyTrip

Anurag Gupta has a decade long experience in building financial services business. He was Vice-President & Business head at PayU for Omnichannel business. He also headed Bank & Product Partnership for PayU.

Investors
Dot has raised seed funding of US$ ~35.5 million from
● Naspers Fintech (PayU) -
○ $120bn group with global presence. Listed in London, Johannesburg, Amsterdam
○ Presence in India : MMT-Goibibo, PayU, Flipkart, Swiggy, Byju’s, OLX
○ Global Presence : Tencent - WeChat, OLX
● Fosun RZ Capital
○ Affiliate of Fosun Group - A $100Bn Chinese conglomerate
○ Presence across global growth markets
● Info Edge
○ Parent company of naukri.com, jeevansaathi.com, 99acres.com, shiksha.com
○ Listed on NSE & BSE with a market cap of INR 27,000 crore
○ Major investor in zomato.com & policybazaar.com

Products
At Dot, we are solving the key problems that lie at the heart of Offline businesses by equipping them with commerce and fin-tech products. We are building a horizontal Omni-channel platform encompassing several Products all aimed at empowering all types of merchants, big or small, with Digital Technology. Whilst strengthening the merchants, our products also aim to direct this digital transformation towards improving the customer journey.
Our initial Product line-up has already garnered attraction from several renowned enterprises as well as significant interest from every medium and small-scale merchant we touch. And this just marks the start of our journey!

About Profile
Responsibilities
• Understanding the business requirement and provide good scalable solution
• Integration of user-facing elements developed by a front-end developers with server side logic
• Completely owning the backend services of a module
• Building reusable code and libraries for future use
• Optimization of the application for maximum speed and scalability
• Our stack is ReactJS, React Native, Golang, MySQL, NoSQL and hosting environment is AWS

Skills and Qualifications
• Extensive and expert programming experience in anyone programming language (Golang/ C/ Java).
• A solid foundation in computer science, with strong competencies in data structures, algorithms, software design and distributed system applications
• Experience with building and scaling apps with RDBMS as well as NoSQLs.
• Experience creating scalable Web APIs for mobile and browser consumption
• Integration of multiple data sources and databases into one system
• Understanding differences between multiple delivery platforms such as mobile vs desktop, and optimizing output to match the specific platform
• Creating database schemas that represent and support business processes
• Implementing automated testing platforms and unit tests
• Have a penchant for solving complex and interesting problems
• Worked in start-up culture with high levels of ownership and commitment
• Excellent coding skills – should be able to convert design into code fluently
• Engineers from Tier 1 colleges