
We are looking for a Java Backend Developer to join our team. You will be responsible for developing and maintaining the server-side logic and databases of our applications, ensuring they run smoothly and efficiently.
Responsibilities:
- Write and maintain server-side code using Java.
- Develop and integrate APIs to support frontend functionality.
- Work with databases to store, retrieve, and manipulate data.
- Troubleshoot, debug, and optimize backend performance.
- Collaborate with frontend developers to integrate backend and frontend systems.
- Write unit tests to ensure code quality.
Required Skills:
- Strong experience with Java.
- Familiarity with Spring Boot or other Java frameworks.
- Knowledge of relational databases (e.g., MySQL, PostgreSQL).
- Understanding of REST APIs.
- Experience with version control systems (e.g., Git).
- Basic knowledge of unit testing (e.g., JUnit).
Preferred Skills:
- Familiarity with Microservices and cloud platforms.
- Experience with Docker and containerization.

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
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Role overview
- Overall 5 to 7 years of experience. Node.js experience is must.
- At least 3+ years of experience or couple of large-scale products delivered on microservices.
- Strong design skills on microservices and AWS platform infrastructure.
- Excellent programming skill in Python, Node.js and Java.
- Hands on development in rest API’s.
- Good understanding of nuances of distributed systems, scalability, and availability.
What would you do here
- To Work as a Backend Developer in developing Cloud Web Applications
- To be part of the team working on various types of web applications related to Mortgage Finance.
- Experience in solving a real-world problem of Implementing, Designing and helping develop a new Enterprise-class Product from ground-up.
- You have expertise in the AWS Cloud Infrastructure and Micro-services architecture around the AWS Service stack like Lambdas, SQS, SNS, MySQL Databases along with Dockers and containerized solutions/applications.
- Experienced in Relational and No-SQL databases and scalable design.
- Experience in solving challenging problems by developing elegant, maintainable code.
- Delivered rapid iterations of software based on user feedback and metrics.
- Help the team make key decisions on our product and technology direction.
- You actively contribute to the adoption of frameworks, standards, and new technologies.
Are you passionate about backend development and building scalable applications? Join our growing team!
Technical Skills:
- Extensive experience in programming/scripting languages and frameworks in at least two Node.js, Java Springboot, and Python.
- Understanding of architectural patterns like Flux and MVC is a desirable
- Work experience in REST API service, Socket connections, and mechanisms to handle real-time async data is important.
- Strong knowledge in OOPS, GIT, SQL/nonSQL DB (such as Elastic DB, Mongo DB, MySQL), Design Patterns
- Preferred to have experience with microservices, API gateway, AAA service
- Good knowledge of coding standards, design patterns, unit testing frameworks, TDD, CI/CD practices.
Must have previous experience in leading a team-
- Experience with RESTful web services, CSS, and HTML5 is desirable-
- Experience with designing and building APIs with REST/Microservices
- Good to know about AWS Lambda & supporting configuration knowledge. Knowledge of any of the serverless frameworks like Serverless, AWS SAM would be an advantage.-
- Good to know of API Gateway and CloudFront.-
👉 Required Skills:
- Strong experience with Node.js
- Hands-on expertise in Payment Gateway Integration
- Proficient in MySQL Database Management
- Knowledge of Socket Programming is a big plus!
Primary Responsibilities:
Developer for IT Regulatory team, work with the development manager and key stakeholders to understand business requirements and develop moderately complex technical solutions.
Work collaboratively with the team to support existing functionality and build, implement, and support new solutions.
Draft and review technical diagrams, specifications documents and required project documentation.
Conduct code reviews of other developers.
Share experience and knowledge with the team to improve productivity & delivery timelines.
Continuously seek ways to improve our existing architecture, advises on complex code deficiencies, provides systemic proposals, and promote efficiencies where necessary.
Job Requirements:
Undergraduate degree in computer science or technology discipline
5+ years of Core Java Development experience & Integration Technologies (Spring, MQ, JSON, XML, SOAP).
Experience writing SQL queries (DB2, Snowflake).
Crystal reports/Excel Writer/Aspose.
Working knowledge of scripting languages (Perl, Unix Shell, Python).
Experience working with source code repositories (Bitbucket, GitHub)
JavaScript, Angular is a plus.
Sound understanding of Object-Oriented Design & Programming, Enterprise Architecture Patterns and GoF design.
A flexible, tenacious team player with a positive attitude and strong interpersonal skills, able to build collaborative relationships with globally distributed teams.
Strong analytical and design skills with attention to detail.
Excellent communication (verbal and written) skills; Able to communicate with different stakeholders effectively.
Experience developing technical solutions in Investment Management industry.
Understanding of portfolio accounting concepts and trade lifecycle
Senior Software Developers collaborate with Business and Quality Analysts, Designers, Project Managers and more to design software solutions that will create meaningful change for our clients. They listen thoughtfully to understand the context of a business problem and write clean and iterative code to deliver a powerful end result whilst consistently advocating for better engineering practices. By balancing strong opinions with a willingness to find the right answer, Senior Software Developers bring integrity to technology, ensuring all voices are heard.
For a team to thrive, it needs collaboration and room for healthy, respectful debate. Senior Developers are the technologists who cultivate this environment while driving teams toward delivering on an aspirational tech vision and acting as mentors for more junior-level consultants. You will leverage deep technical knowledge to solve complex business problems and proactively assess your team’s health, code quality and nonfunctional requirements.
Job responsibilities
- You will learn and adopt best practices like writing clean and reusable code using TDD, pair programming and design patterns
- You will use and advocate for continuous delivery practices to deliver high-quality software as well as value to end customers as early as possible
- You will work in collaborative, value-driven teams to build innovative customer experiences for our clients
- You will create large-scale distributed systems out of microservices
- You will collaborate with a variety of teammates to build features, design concepts and interactive prototypes and ensure best practices and UX specifications are embedded along the way.
- You will apply the latest technology thinking from our Technology Radar to solve client problems
- You will efficiently utilize DevSecOps tools and practices to build and deploy software, advocating devops culture and shifting security left in development
- You will oversee or take part in the entire cycle of software consulting and delivery from ideation to deployment and everything in between
- You will act as a mentor for less-experienced peers through both your technical knowledge and leadership skills
Job qualifications:
Technical Skills
- You have experience using one or more development languages (Java, Nodejs, React, TypeScript, JavaScript, etc.) with experience in Object-Oriented programming
- You can skillfully write high-quality, well-tested code and you are comfortable with Object-Oriented programming
- You are comfortable with Agile methodologies, such as Extreme Programming (XP), Scrum and/or Kanban
- You have a good awareness of TDD, continuous integration and continuous delivery approaches/tools
- Bonus points if you have working knowledge of cloud technology such as AWS, Azure, Kubernetes and Docker
Professional Skills
- You enjoy influencing others and always advocate for technical excellence while being open to change when needed
- Presence in the external tech community: you willingly share your expertise with others via speaking engagements, contributions to open source, blogs and more
- You’re resilient in ambiguous situations and can approach challenges from multiple perspectives
Other things to know:
Learning & Development
There is no one-size-fits-all career path at Thoughtworks: however you want to develop your career is entirely up to you. But we also balance autonomy with the strength of our cultivation culture. This means your career is supported by interactive tools, numerous development programs and teammates who want to help you grow. We see value in helping each other be our best and that extends to empowering our employees in their career journeys.

Essential Duties and Responsibilities
- Contribute in all phases of the development lifecycle
- Write well designed, testable, efficient code
- Ensure designs are in compliance with specifications
- Prepare and produce releases of software components
- Support continuous improvement by investigating alternatives and technologies and presenting these for architectural review
Adhere to Experian policies and procedures
- Work under the Experian behaviors and values
- Facilitate and drive performance management processes
- Champion a culture where the fair treatment of customers is at the heart of the Experian business
- Ensure that by leading by example, you adhere to all regulatory requirements and apply appropriate controls in the interests of customers
- Through the adoption of a top down approach, demonstrate a culture where all our people understand their regulatory obligations, including what the fair treatment of customer’s means to them and our organization
Qualifications
- Should have years of experience in developing and supporting Java/J2EE based application
- Should provide consultation on new development, enhancements, bug fixes and deployment and involve in complete product life cycle
- Should undertake any development/coding activities that might require during project life cycle
- Should have good core java concept like Collection, Multi-Threading JDBC File handling etc.
- Should have experience in Spring, Spring Boot, JPA, Hibernate
- Should have experience in Web service testing tool like SOAP UI, PostMan
- Should have working experience with database like Oracle, MSSQL Server, MySQL
- Should have enriched experience in client interfacing
- Should have good communication skills
Technologies
- Java, Java EE
- Spring, Spring Boot, JPA, Hibernate
- Java Multi-Threading
- Web service using SOAP/REST
- JIRA, Confluence, Bitbucket
- Oracle, SQL Server, MySQL
- WebLogic, Tomcat , JBOSS
Fluency in modern JavaScript (ES6/7) and other frontend fundamentals (HTML5,
CSS3) and Node.js
Exposure to React( native) basics
Experience with AWS, CI/CD and DevOps
Experience with Web Security
Basic exposure to Go is valuable but not necessary
Willingness to travel for onsite assignments outside India
• Build data pipelines for structured/unstructured, real-time/batch, events/synchronous/asynchronous using MQ, Kafka, Steam processing using Java / Python
• Design the Data stores for Big Data systems with expertise in Cassandra, HBase
• Implementation of Indexing and Search using Elasticsearch
• Setup and Deployment of Cassandra, Elasticsearch clusters
Required Qualifications and Competencies:
• Strong hands-on experience with Cassandra, data modeling, data replication, clustering, indexing for handling for large data sets
• Experience with SQL, NoSQL, relational database design, and methods for efficiently retrieving data for Time Series Analytics
• Strong understanding of CQL, Data Modeling in-order to achieve highly performant data access
• Strong experience in data modeling in Cassandra to design efficient storage model to meet variety of business needs
• Should have Elasticsearch skill with significant experience working with large Elasticsearch clusters, cluster performance optimisation, capacity planning, enhancing monitoring capabilities for early issue detection, driving operational readiness and ongoing maintenance
• Strong hands-on experience of programming with Java / Python
• Ability to troubleshoot and investigate stability, performance issues









