Principal Consulatant, Java

JOB DESCRIPTION

Experience: 5-8 years

Location: Mumbai

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. - 5-8 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.

A Day in the Life

As a Backend Developer, you will be responsible for building and maintaining secure, scalable, and high-performance backend systems that power our fintech products. You'll collaborate closely with product managers, frontend developers, QA engineers, and DevOps teams to design APIs, integrate third-party services, troubleshoot production issues, and deliver reliable solutions that enhance the customer experience.

Key Responsibilities

Design, develop, test, and maintain backend applications using C# and .NET/.NET Core.

Build and optimize RESTful APIs and microservices.

Collaborate with cross-functional teams to understand business requirements and translate them into technical solutions.

Integrate with third-party systems, payment gateways, and external APIs.

Write clean, maintainable, and well-documented code following best practices.

Troubleshoot, debug, and resolve application issues in development and production environments.

Optimize application performance, scalability, and security.

Participate in code reviews and contribute to continuous improvement initiatives

Basic Qualifications & Skills

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

1+ years of experience in backend development.

Hands-on experience with C#, .NET/.NET Core, ASP.NET Web APIs, and Entity Framework.

Strong understanding of relational databases such as SQL Server, MySQL, or PostgreSQL.

Knowledge of REST APIs, authentication mechanisms, and API security.

Familiarity with version control systems such as Git.

Strong analytical and problem-solving skills.

Good communication and collaboration abilities.

At Oracle Health, we're transforming healthcare administration through Oracle Health Insurance (OHI), a cloud-native payer platform supporting enrollment, billing, benefits administration, provider payments, and claims adjudication. 

As Oracle expands Oracle Health Insurance capabilities globally, including support for U.S. Medicare, Medicaid, commercial insurance programs, and AI-enabled claims processing, we're investing in engineers who are passionate about building the next generation of healthcare payer solutions.

As an IC3 Software Development Engineer, you will contribute to the design and development of scalable cloud services, healthcare business workflows, and AI-powered capabilities that improve operational efficiency for health plans and government programs.

Responsibilities

As a member of the software engineering division, you will assist in defining and developing software solutions associated with Oracle Health Insurance products. You will design, develop, test, and deploy software components while collaborating with cross-functional teams across product management, architecture, QA, and customer implementations.

Key Responsibilities

• Develop and enhance OHI modules supporting enrollment, benefits, claims, and payments. 
• Build scalable microservices and APIs supporting payer workflows. 
• Contribute to healthcare payer platform capabilities and country-specific configurations. 
• Participate in AI and automation initiatives leveraging LLMs and agent-based solutions. 
• Develop integrations using healthcare standards and EDI transactions. 
• Troubleshoot production issues and support continuous improvement initiatives. 
• Collaborate with distributed engineering teams to deliver high-quality software. 

Mandatory Qualifications

• BS/MS in Computer Science or related field. 
• 4-6 years of software engineering experience. 
• Strong programming skills in Java and/or Python. 
• Experience with REST APIs and distributed systems. 
• Strong SQL and database fundamentals. 
• Experience with cloud technologies (OCI, AWS, or Azure). 
• Knowledge of software design patterns and object-oriented design. 
• Experience working in Agile development environments. 
• Familiarity with CI/CD pipelines and automated testing. 
• Experience leveraging AI-assisted software development tools and modern developer productivity technologies. 

Preferred Qualifications

• Healthcare payer domain knowledge. 
• Exposure to claims processing, enrollment, benefits administration, or provider payments. 
• Familiarity with Medicare, Medicaid, or commercial insurance workflows. 
• Experience with GenAI, prompt engineering, or AI agents.

• Strong hands-on code development experience in JAVA 14+, Restful Service, Spring Boot, JDBC Template.
• Experience in SQL scripting
• Experienced in developing and deploying web applications using Spring MVC and Spring boot.
•  Hands on experience in one of the IDE’s – Eclipse or IntelliJ
• Experience with Tools- Maven, Jenkins
• Experience in entire software development life cycle from analysis, coding, testing, debugging and publishing using GIT
•  AWS Services will be an added advantage
• Experience Kafka, K8s and Containers will be an added advantag.

Position Overview

We are seeking a skilled Developer to join our engineering team. The ideal candidate will have strong expertise in Java and Python ecosystems, with hands-on experience in modern web technologies, messaging systems, and cloud-native development using Kubernetes.

Key Responsibilities

• Design, develop, and maintain scalable applications using Java and Spring Boot framework
• Build robust web services and APIs using Python and Flask framework
• Implement event-driven architectures using NATS messaging server
• Deploy, manage, and optimize applications in Kubernetes environments
• Develop microservices following best practices and design patterns
• Collaborate with cross-functional teams to deliver high-quality software solutions
• Write clean, maintainable code with comprehensive documentation
• Participate in code reviews and contribute to technical architecture decisions
• Troubleshoot and optimize application performance in containerized environments
• Implement CI/CD pipelines and follow DevOps best practices
•  
• Required Qualifications
• Bachelor's degree in Computer Science, Information Technology, or related field
• 4+ years of experience in software development
• Strong proficiency in Java with deep understanding of web technology stack
• Hands-on experience developing applications with Spring Boot framework
• Solid understanding of Python programming language with practical Flask framework experience
• Working knowledge of NATS server for messaging and streaming data
• Experience deploying and managing applications in Kubernetes
• Understanding of microservices architecture and RESTful API design
• Familiarity with containerization technologies (Docker)
• Experience with version control systems (Git)
•  
• Skills & Competencies
• Skills Java (Spring Boot, Spring Cloud, Spring Security)
•  
• Python (Flask, SQL Alchemy, REST APIs)
• NATS messaging patterns (pub/sub, request/reply, queue groups)
• Kubernetes (deployments, services, ingress, ConfigMaps, Secrets)
• Web technologies (HTTP, REST, WebSocket, gRPC)
• Container orchestration and management
• Soft Skills Problem-solving and analytical thinking
• Strong communication and collaboration
• Self-motivated with ability to work independently
• Attention to detail and code quality
• Continuous learning mindset
• Team player with mentoring capabilities

Required Technical Skills: 

• Java (highly capable)
• SQL (highly capable)
• Strong knowledge of software best practices, build processes, IDEs, database tools (e.g. SQL Developer, SQL Management Studio)
• Strong knowledge of source code control systems (GIT)
• Confident with Windows, Linux, Unix operating systems including command line
• Working knowledge of JIRA

Beneficial Technical Skills: 

• .Net
• C 
• Javascript 
• Experience in test management and test execution
• Experience of Agile development methods

Additional Skills and Behaviour Required 

• Experience of full software development lifecycle
• Considers competing solutions and evaluates options to create the best outcome in all aspects of the role.
• Willingness to takes ownership of whole project and engineers assigned.
• Confident to make suggestions and recommendations for improvements.
• Excellent written and verbal communication skills and ability to build good rapport
• Fluency in English, both written and oral
• Collaborates with others to achieve objectives and ensure information flow
• Seeks assistance and feedback as appropriate 

Education 

• Bachelor's degree (or equivalent) in Computer Science or Engineering or other relevant discipline (MCA, MSc in Computer Science etc.)

Company profile

We are the pioneering player in the FinTech industry in India in the institutional credit space. We have created a one of a kind online marketplace for institutional credit ‘CredAvenue’, bringing together issuers and lenders, while also participating in the marketplace through their own balance sheet. Within a short span of two years, CredAvenue has gained immense traction and boasts of multiple clients across sectors, 120+ investors across multiple segments and a high volume of credit deal closures. To read about the latest numbers we have clocked, please visit http://www.credavenue.com">www.credavenue.com.

We are backed by two of the leading global Private Equity firms and have also been successful in attracting high quality talent from some of the leading companies and universities globally. With the fundamentals in place, we are now gearing up for our next phase of high growth, and we are further building up our team to take the company to the next level.

Primary Responsibilities

• Responsible for full software life-cycle, system design and development of front-end & back-end systems
• Writing high-quality code, participating in code reviews, designing/architecting systems of varying complexity and scope
• Identify libraries and technologies worth experimentation
• Build innovative solutions from scratch and liaise with architects and engineers to build solutions
• Mentoring other team members

Required Skill

•  Degree in Computer Science or relevant experience
•  2-7 years of relevant hands-on software engineering experience doing software design and development
•  Proven experience of working on back-end web frameworks like RoR (preferable) or Python/Django or Node.js
•  Good command over at least one JavaScript frameworks like React.js, Vue.js or Angular
•  Excellent understanding of relational database structures, having knowledge of unstructured databases (NoSQL) will be an  added advantage
•  Expertise in object-oriented design, unit testing, integration testing, data structures, algorithms, scalable APIs, etc.
•  Knowledge of working on cloud technologies and exposure of AWS services (EC2, RDS, S3, etc)
•  Work in a fast-paced environment and make pragmatic engineering decisions in a short amount of time
•  Experience with Agile Development and Scrum methodologies.

Work Environment Details

• An opportunity to play a formative role in an ambitious financial services marketplace spanning investment banking, debt capital markets, institutional finance, retail lending and asset management
• A journey that will challenge and reward you in a manner few others will