Java Developer

Wissen Technology is now hiring for Java Developer with hands on experience in Core Java, multithreading, algorithms, and data structure.

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 highly motivated and expert team which has made a mark as a high-end technical consulting.

Required Skills:

Experience - 3+.

Experience in Core Java 5.0 and above, CXF, Spring.

Extensive experience in developing enterprise-scale n-tier applications for 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.

Job Title: Backend Developer (Kotlin/Java)

Experience: 5-7 Years

Location: Remote (Candidates from Pune/Mumbai preferred for training-related travel)

Salary: ₹15-25 LPA CTC (1L up to 1.5L In hand Per Month)

Job Description:

We are seeking a highly skilled Backend Developer with expertise in Kotlin/Java (not Android) to join our dynamic team. The ideal candidate will have experience building scalable backend solutions, working with relational databases, and utilizing modern frameworks like Spring and Webflux.

This is a remote role, but candidates based in Pune/Mumbai who can travel for training purposes will be preferred.

• Must-Have Skills:Kotlin/Java backend development (5+ years)
• Spring Boot/Webflux (Reactor) (1+ year)
• Relational Databases (PostgreSQL preferred) (2+ years)
• Strong problem-solving skills and attention to detail
• Excellent communication skills and professionalism

• Key Responsibilities:Develop and maintain backend services using Kotlin/Java.
• Design and implement scalable microservices with Spring Boot/Webflux (Reactor).
• Work with relational databases (PostgreSQL preferred) and ensure optimal data handling.
• Optimize backend performance and ensure system reliability.
• Collaborate with frontend, DevOps, and product teams to deliver high-quality software solutions.
• Ensure best practices in coding, security, and system design.

• Nice to Have:Experience with NoSQL databases (Cassandra/MongoDB)
• Knowledge of Kafka for event-driven architecture
• Familiarity with AWS, Docker for cloud-based deployments
• Exposure to full-stack development with React
• Understanding of ClickHouse for analytics

Company:

The client is a technology company specializing in custom software development, mobile app creation, cloud services, data analytics, applied AI, cybersecurity, web design, and UX/UI design. They emphasize building robust, scalable, and world-class software products and applications. Their expertise spans various technology stacks, including MERN, MEAN, applied AI, Oracle, AWS, GCP, Microsoft Azure, and PAAS. They have developed products such as Digirestro, Task Manager, and Attendance Management. The company operates from multiple locations, including Pune and Nagpur in India, and Kendall Park, New Jersey, USA.

• Why Join Us?Competitive salary (₹15-25 LPA)
• Remote work flexibility (with occasional travel to Pune/Mumbai for training)
• Opportunity to work on modern tech stacks
• Collaborative and professional work environment

Software Engineer

Opportunity in this role / Why should you join us?

- 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

• 3+ years and above exposure in the art of writing codes and solving problems for large scale
• Extensive and expert programming experience in any one programming language (strong OOPS skills preferred). Deep experience in a java programming language
• A solid foundation in computer science, with strong competencies in data structures, algorithms, and software design.
• Have a penchant for solving complex and interesting problems.
• BE/BTech, MTech in Computer Science or related technical discipline (or equivalent).
• Excellent coding skills – should be able to convert the design into code fluently Good skills to write unit & integration tests with reasonable coverage of code & interfaces - TDD is a plus
• Experience in building highly scalable business applications, which involve implementing large complex business flows and dealing with the huge amount of data. 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.

JOB RESPONSIBILITIES (About 10 - 11 years and at least 9 years relevant experience)

Develop Java webservices and components according to a detailed design document.

Build efficient, reusable and reliable Java code per industry best practices.

Follow TDD approach and ensure unit-test coverage meets quality requirements.

Develop Integration tests to ensure coding adheres to acceptance criteria and verify end-to-end behavior of the system.

Ensure best possible performance, quality and responsiveness of applications.

EXPERIENCE / SKILLS

Must have experience developing in Java latest version (least version is 8)

Must have experience in design and development using Micro service architecture

Solid knowledge in OOP concepts, and design principles/patterns for developing scalable applications

Must have experience developing Spring Boot applications

Must have experience developing database access layer using Spring Data JPA/Hibernates

Must have experience in developing REST Services using Spring

Good working experience in development of event driven systems using any framework

Must have experience with any RDBMS and at least one NoSQL database preferably PostgresSQL and Mongo DB

Must have experience writing unit and integration tests using Junit

Must have experience using mock frameworks like Mockito, WireMock

Must have experience using Git

Must have experience with CI / CD

Basic hands-on experience in one of the cloud provider (AWS/Azure) or at least docker and Kubernetes

Familiarity with build tools Maven or Gradle

Added advantage with experience of Reactive and Functional Programming

·       3+ yrs of experience in product development (Preferring SaaS based)

·       Must have experience in Java web-based application development

·       Hands on development experience on Java/J2EE, Springboot, Spring, Struts, Hibernate, REST Services

·       Experience on HTML, JavaScript, JQuery

·       Hands on experience on database-writing queries/procedures

·       Experience on SVN,GIT,

·       Knowledge of Server configuration

·       Knowledge of cloud preferably AWS

• Executes the development, Maintenance, and enhancements of varying complexity levels across platform systems
• Translates the Business Requirements and specifications into related solutions designs to understand business needs and functional specifications
• Evaluates project deliverables to ensure they meet the specifications and architectural standards
• Write and review technical documents, including design, developments, and code review
• Provide technical support to team
• Work independently and handle product responsibilities with stakeholders and good communication skills
• Good understanding of performance and security aspects of software development
• Working experience in Agile Software Methodology (Scrum and Kanban)

• 6+ years of experience in Software development using Java and J2EE technologies
• Experience in designing front end interfaces using HTML, CSS, Javascript, iQuery, AJAX
• Experience in Build tools like Maven
• Strong hands-on experience in developing microservices using Springboot
• Strong hands-on experience in Spring Framework such as Spring MVC, IDC, AOP and Spring JDBC
• Experience in Core Java, Multi-threading, OOPs, Collections and servlets
• Unit and integration testing using Junit
• Experience in databases like MySQL, DB2 and Oracle
• Strong design skills and also experience in working with Design patterns to solve problems
• Good to have GCP, AWS, Azure public cloud platforms
  
  

Looking for someone who can join in a month's notice

Role- Java Developer

Location- Bangalore, Mumbai

Experience- 5-8 yrs

• 5-7 Yrs of experience building enterprise level applications  using Java Restful API’s, Spring(Core, aspect ,boot & batch) and related frame works.
• Development experience in core java
• Expertise in multi-tiered Java EE design and programming , solid understanding and multi-tiered web based applications
• Solid data structures and algorithm experience
• Strong expertise in all the following Java-based technologies
• Spring
• Hibernate Framework (integration layer and Web MVC)

Profile: Java developer (2-4 years) - Noida

MUST Have: Core Java, data structure

NP: Immediate to 30 Days

Salary : Upto 9 LPA

MUST Haves: Java 1.8, Core Java, Data structure

Requirements:

• Java 1.8 version with Collections, Multithreading working knowledge –(Mandatory)
• Data Structures, BPM-Alfresco & Groovy 

• Strong hands on in Core Java, OOPS, Exception handling, Multi-Threading, Generics and design patterns.
• Proficient in designing and developing web applications using Java/JEE
• Working experience in Spring Boot, Spring Integration and REST Web services
• Exposure to UI technologies/frameworks like JavaScript, React JS , Flux and knowledge of CSS, HTML etc
• Build tools like Maven.
• Should possess good communication skills and a go getter attitude.
• Good in debugging code through eclipse and browsers
• Should be capable to work independently. Desirable
• Experience in any Continuous Integration/Delivery tools like GIT, Docker, Jenkins, Ansible
• Working knowledge of database like Oracle and application server like Tomcat, WebLogic.
• Knowledge of Linux
• Exposure to any test automation technologies such as Selenium, Fitnesse, Mockito, Junit, any other testing frameworks
• Candidate must to have exposure to working in a fast-paced environment using Agile methodologies
• A person with technical thrust who keeps him up to date with latest technology trends, practices, patterns etc. Knowledge of Open Source tools and technologies