
Wissen Technology is now hiring for Java Developer with hands on experience in Core Java, multithreading, algorithms, data structure and SQL skills .
Required Skills:
- Experience - 5 to 10 years.
- 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.

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
Similar jobs

We are seeking a highly skilled Backend Developer to join our team and contribute to the development and improvement of both our customer-centric SaaS platform and internal systems. As a Backend Developer, you will be responsible for designing, implementing, and maintaining the server-side logic of our application, ensuring high performance, scalability, and security.
As a Backend Developer with expertise in Java, and PostgreSQL, you will play a critical role in developing and maintaining the backend infrastructure of our SaaS and internal platforms, ensuring its reliability, scalability, and performance. Join our team and be a part of building cutting-edge software solutions that empower our customers and drive business growth.
Responsibilities:
- Collaborate with cross-functional teams, including front-end developers, product managers, and designers, to understand project requirements and translate them into technical specifications.
- Design and develop server-side logic, APIs, and database schema to support the functionality and performance requirements of our SaaS platform.
- Write clean, modular, and well-documented code using any relevant programming language preferably Java with SpringBoot.
- Optimize the backend systems for maximum speed and scalability, ensuring high performance and responsiveness of the application.
- Implement data storage solutions using PostgreSQL or other relational databases, ensuring data integrity and security.
- Conduct thorough testing and debugging to identify and resolve any issues or bugs in the backend code.
- Stay up-to-date with emerging technologies, industry trends, and best practices in backend development and contribute to the continuous improvement of our development processes.
Requirements:
- Proven work experience as a Backend Developer or similar role, with a focus on server-side development.
- Proficiency in working with relational databases, particularly PostgreSQL, and writing efficient SQL queries.
- Familiarity with SaaS concepts and architecture.
- Experience with API design and development, including RESTful APIs.
- Solid understanding of software development principles, including object-oriented programming, design patterns, and data structures.
- Experience with version control systems, such as Git.
- Strong problem-solving and analytical skills, with keen attention to detail.
- Excellent communication and teamwork skills, with the ability to collaborate effectively with cross-functional teams.
- Bachelor's degree in Computer Science, Engineering, or a related field is preferred, but not mandatory.
B.Tech./ BE - Computer, IT, Electronics only
Requirements:
- 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
Skills:
- 3+ 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
Agile and Kafka
Microservices
Springboot
NoSQL/MongoDB
Scrum
WHAT YOU WILL DO:
- Execute a full software development lifecycle (SDLC)
- Develop flowcharts, layouts, and documentation to identify requirements and solutions
- Write well-designed, testable, reusable code and libraries for future use
- Optimize the application for maximum speed and scalability
- Implement security and data protection
- Produce specifications and determine operational feasibility
- Integrate software components into a fully functional software system
- Develop software verification plans and quality assurance procedures
- Document and maintain software functionality
- Troubleshoot, debug and upgrade existing systems
- Deploy programs and evaluate user feedback
- Comply with project plans and industry standards
- Ensure software is updated with latest features
REQUIRED SKILLS & QUALIFICATIONS:
- Good knowledge of Core Java (Minimum Version 8)
- J2EE with a good understanding of Servlets and JSP
- Experience in Spring Modules – Spring IOC and AOP, Spring Boot (version 2 plus), JDBC
- Expertise in design and development of various web and enterprise – level applications using Java/J2EE technologies such as Spring, Hibernate, Rest services.
- Web Services (including SOAP, XML, XML Schema, JSON, and REST)
- Tools required: Maven,Eclipse, Github, and Swagger
- Good knowledge of SQL and Redis (NOSql)
- Ability to document requirements and specifications
- Proven work experience as a Software Engineer or Software Developer
- Ability to develop software in Java or any other OOPS languages
- Excellent knowledge of relational databases, SQL and ORM technologies (JPA2, Hibernate)
- Experience in developing Web Applications using at least one popular Web Framework (Spring)
- Experience with test-driven development
- Proficiency in software engineering tools
PREFERRED SKILLS & QUALIFICATIONS:
- A Bachelor’s Degree in Computer Science, Software Engineering, or other related fields.
- Eight to Ten years of Software Engineering or Software Development experience, preferably in a related field.
REPORTING: This position will report to HOD
EMPLOYMENT TYPE: Full-Time
LOCATION: Remote (Pan India) & In-Office – Jaipur, India
SHIFT TIMINGS:
Summer - 1:30pm-10:30pm IST
Winter - 2:30pm-11:30pm IST
- Excellent programming in Core Java, Multi-threading.
- Java technologies: Core Java, Java EE/J2EE, JPA/Hibernate, Spring
- Should have good understanding on design patterns.
- Should have minimum 1 yr exp in spring boot / Microservices / Amazon Web Services.
- Should have experience developing RESTful services along with Spring and Hibernate
- Good exposure & experience in Product development.
- Ability to collaborate with Architects on development and design.
- Up to date with technology trends and be able to set direction for other developers.
- Ability to evaluate and build POCs, make recommendations around Java, DevOPs, Mobility and Cloud related technologies.
Technical Skills :
- Microservices, Spring Boot, HIbernate, REST
- Redis, MongoDB, MySQL
- DevOps - CI/CD, Ansible/Docker/Kubernetes.
- Cloud - AWS/Google
SaveIN is India’s first ‘Buy now, Pay later’ platform for healthcare products and services. We offer flexible, low-cost repayment plans for a host of healthcare products and treatments, delivered through our network of healthcare providers.
We aim to create India’s largest integrated private healthcare ecosystem and build technology-first solutions to facilitate timely and quality care through enhanced affordability for millions of Indians.
We are backed by a strong set of global investors including Silicon Valley based Y-Combinator.
Our promise to you:
● We aim to hire the best of talent, passionate about the vision of SaveIN
● We aim to create an equal opportunity, open, challenging as well as rewarding environment to bring the best out of our people
● We are here to be a large, prosperous, profitable, and resilient organization so that we may serve our customers sustainably across economic cycles, we aim to achieve this most ethically and transparently possible
● Being compliant is not only an obligation but a chosen way of life
● We would love to see you grow and are committed to doing our best to contribute towards your success
About the role:
SaveIN is looking for a Software Engineer | Java, who enjoys solving challenging problems
and can develop and deploy APIs and Web applications using Java MVC Frameworks and
power a variety of classing leading digital products. You will work with developers, product
and founding team and would also be expected to lead a team of junior developers in the future.
Location: Gurugram
Key responsibilities:
● Work with business users to gather functional requirements
● Combine your technical expertise and passion for problem-solving to deliver end-to-end solutions
● Design and implement high-quality, test-driven code for various projects
● Unit Testing/Integration Testing
● Code configuration and release management
● Document technical design as per internal compliance standards
● Work with senior management and external stakeholders to ensure that deliverables are met
Skills and competencies:
● Education: BE/BTech/MTech/MCA
● Minimum 3 Years of experience in Web Application and API development, in Java 8 and above
● Working experience with MVC frameworks like Spring, Play, etc.
● Experience with Multi-threading, Collections, and concurrent API
● Working experience with web services and APIs (REST, SOAP)
● Experience in developing microservices in Spring Boot
● Experience working with tools like Git, and Maven.
● Experience writing high-quality code with fully automated unit test coverage (Junit, Mockito, etc.)
● Experience in defining and applying design/coding standards, patterns and quality metrics
● Working experience with data platforms (relational and/or NoSQL) and messaging technologies
● Excellent OOPs, data structure, and algorithm knowledge
● Understanding & experience in API management, Swagger
● Working experience with LINUX/UNIX environment and shell scripts
● Experience in working on public cloud infrastructure- AWS (EC2, ECS, Cognito, CloudWatch, SQS, S3)
● Understanding/experience with 3rd party integrations like CRM, payment gateways, performance marketing tools

- 3 - 6 Years of Experience in Golang Development
- Understands requirements well and comes up with an efficient design
- Develops complex, well-backed and bug-free products.
- Estimates accurately.
- Takes well-reasoned tech decisions keeping in mind goals and trade-offs
- Become a go-to person in more than one area. Provide technical mentoring to team
- Communicates clearly, gets clarifications, and establishes expectations for all parties
- Helps establish SDLC best practices and high standards of code quality
- Demonstrates excellent problem solving & debugging skills
- Proactively identifies and resolves issues in requirements, design, and code
Ideal Candidate Profile:
- Solid experience in Golang is a must.
- Solid understanding of Apache Products.
- Should have experience in cloud computing (AWS is desired).
- Has an ability to quickly learn and contribute in multiple codebases
- Overcomes roadblocks and requires minimal oversight
- Takes initiatives to fix issues/tech debts before assigned to him/her
- Able to deep dive into the codebase and advise QA of possible regression impact
- Communicates tech decisions through design docs and tech talks
- Has delivered projects with end-to-end accountability
- Keeps track of industry trends and introduces the right tech/ tools for a given job
- Excellent understanding of software engineering practices,
- Design Patterns, Data Structures, Algorithms
- Experience in product-driven organization
We are looking for a Java backend developer who would be working on the bleeding edge of technologies. We work primarily with a fully reactive stack powered by Spring Webflux and Reactive MongoDb Repository in AWS. Our services follow both event based approaches as well as workflow based depending on the use case.
Responsibilities
- Understand why a particular design was chosen and code accordingly
- Will have to deliver clean bug free unit tested code with minimal guidance
- Strive for continuous improvement by refactoring and applying best practices
- Learn and adapt to new technologies as necessary.
- Capable of working in both client side and server side technologies
Requirements
- Must have a Bachelor’s degree in computer science or equivalent
- Must have 2-3 years experience as a software developer
- Must be proficient in Core Java and Spring/Springboot. Knowledge of Webflux is not mandatory.
- Must have developed RESTful services
- Should understand git
Added Bonus
- Experience working with microservices
- Experience in a NoSql solution like MongoDB
- Experience working with Python
- Experience 5+ Years
- Can join immediately
- Well-versed in Core Java, OOPs concepts, collections, multi-threading, concurrency, lambdas, and streams.
- Hands-on knowledge of Spring Core, MVC, JPA, security, transaction.
- Working knowledge of REST API designing as well as development, using Spring.
- Exposure to Spring Boot, Docker, Kubernetes, OpenShift for the microservices environment.
- Savvy with SQL and database concepts.
- Ability to use frameworks like JUnit, Mockito, etc., for implementing unit testing.
- Sound understanding of code versioning tools, such as Git/bit bucket with Maven.
5-8 years in Java/J2EE/Vaadin application development using Spring Framework as mandatory requirement:
Must have strong working experience of backend development using Java, Vaadin ,Jdbc, Spring Rest, Spring Core, Hibernate etc.
Must have knowledge of latest J2EE technologies and frameworks like Restful Web Services (both JSON and XML.
Must have strong working experience on Java IDEs like Net beans, Eclipse or STS and Build and version control tools like Maven, Ant, SVN, Github etc.
Must have strong hands-on experience of one or more relational databases such as MySQL, SQL Server, Oracle, Mongo DB etc.
Having knowledge of other J2EE technologies like Spring MVC, Servlets, JSPs, HTML5, CSS3, Bootstrap, JQuery etc will be a plus and will be given advantage.
Must have strong analytical skills along with ability to write complex business logics as per Industry Best Practices.
Must have good knowledge of various Java, J2EE and Spring design patterns and ability to design the backend for a web application or module from scratch.
Should have strong written and verbal communication skills and excellent aptitude.
Should be able work in a team as member and lead at times.

ThoughtWorks is a global software consultancy with an aim to create a positive impact on the world through technology. Our community of technologists thinks disruptively to deliver pragmatic solutions for our clients' most complex challenges. We are curious minds who come together as collaborative and inclusive teams to push boundaries, free to be ourselves and make our mark in tech.
Our developers have been contributing code to major organizations and open source projects for over 25 years. They’ve also been writing books, speaking at conferences and helping push software development forward, changing companies and even industries along the way. We passionately believe that software quality is driven by open communication, review and collaboration. That’s why we’re such vehement supporters of open source and have made significant contributions to open source tools for testing, continuous delivery (GoCD), continuous integration (CruiseControl), machine learning and healthcare.
As consultants, we https://www.thoughtworks.com/careers/hub/consultant-life">work with our clients to ensure we’re evolving their technology and empowering adaptive mindsets to meet their business goals. You could influence the digital strategy of a retail giant, build a bold new mobile application for a bank or redesign platforms using event sourcing and intelligent data pipelines. You will use the latest Lean and Agile thinking, create pragmatic solutions to solve mission-critical problems and challenge yourself every day.
You’ll spend time on the following:
- You will champion best practices like writing clean and reusable code using practices like TDD, SOLID principles, OO design, and pair programming
- You will partner with other technologists from cross-functional teams advocating devops culture
- You will work in collaborative, product-focused teams to build innovative customer experiences
- Take ownership and accountability beyond individual deliverables, always pushing the envelope in order to deliver awesome results for our clients
- Learn, digest and subsequently apply the latest technology thinking from ourhttps://www.thoughtworks.com/radar"> tech radar to solve client problems
Here’s what we’re looking for:
- You have 2+ years* of experience using two or more development languages (Java, JavaScript, Ruby, C#, etc.) with experience in Object-Oriented programming
- You’re willing and able to commit to traveling up to 100% (back home on the weekends) across the US and Canada to help our clients solve their business problems
- You can write clean, high-quality code in a variety of languages and are also able to spot (and improve) bad code
- You’re resilient in ambiguous situations and can approach challenges from multiple perspectives
- You have experience with Agile, Lean and/or Continuous Delivery approaches such as Continuous Integration, TDD, Infrastructure as Code, etc.
- Bonus points if you have knowledge of cloud technology such as AWS, Docker or Kubernetes
- You’re willing and able to commit to travel to client sites in order to solve their business problems

