
Job Title: Senior Software engineer / Principal Engineer
Experience range:-8+ Years
Location:- Pune/ Mumbai
Experience :
The candidate should have experience with design and development in Java. Experience in multithreading, algorithm, data-structure, database and collection is mandatory.
Requirements:
- Very strong core Java/Spring developer
- Decent experience in implementing observability (monitoring/alerts) for Java apps
- Capable of working with scripting languages.
- Skills Required: Java, Core Java, Data Structures, OOPS, Multithreading, Algorithms, Collection Framework, Java/J2EE, Hibernate, Spring, Spring Boot, Microservices, Restful Services ,SQL

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
Job Title : Senior Java Developer with Corticon
Experience : 5 to 8 Years
Location : Hyderabad (Work From Office)
Notice Period : Immediate to 15 Days (Official 30 Days Notice Acceptable if Negotiable to 15 Days)
Mandatory Skills : Java, Corticon, Project Management, SDLC, Problem-Solving, Analytical Thinking, Agile Methodologies.
Key Responsibilities :
- Develop and maintain scalable Java-based enterprise applications.
- Integrate and manage Corticon business rules engine within application architecture.
- Collaborate with cross-functional teams to deliver high-quality solutions on time.
- Participate in design reviews, code reviews, and performance tuning.
- Troubleshoot complex technical issues and implement appropriate solutions.
Required Qualifications :
- Bachelor’s degree in Computer Science, Engineering, or a related field (Regular Education only).
- Strong hands-on experience in Java development.
- Proven experience working with Corticon for business rules implementation.
- Excellent understanding of software development life cycle (SDLC) and Agile methodologies.
- Strong project management skills and experience in leading complex projects.
- Excellent analytical, problem-solving, and communication skills.
Note : This is an urgent hiring need. Candidates with Immediate to 15 Days of notice are highly preferred. Candidates on official 30 Days notice can also apply if flexible to join within 15 Days.
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.
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.
Hey Folks!
We are hiring java developers with Core java-7/8, microservices, springboot, oops, RestAPI and SQL skills.
Company Introduction
Idea Clan is an Internet Marketing company that works with a lot of global ecommerce, Social Media and performance marketing clients. We own an Influencer network called Viral Sparks. We work with huge brands like twentytwowords.com, ranker, diply, littlethings.com, boredometherapy, providr etc. We are a Certified GOLD partner with Microsoft and an expert at CPA (Cost per action) marketing solutions. Everyone that works at IdeaClan is family. And we grow as one.
Job Description
We are looking for a Java developer responsible for building Java applications. This includes anything between complex groups of back-end services and their client-end (desktop and mobile) counterparts. Your primary responsibility will be to design and develop these applications, and to coordinate with the rest of the team working on different layers of the infrastructure. Thus, a commitment to collaborative problem solving, sophisticated design, and product quality is essential.
Responsibilities
- Translate application storyboards and use cases into functional applications
- Design, build, and maintain efficient, reusable, and reliable Java code
- Ensure the best possible performance, quality, and responsiveness of the applications
- Identify bottlenecks and bugs, and devise solutions to these problems
- Help maintain code quality, organization, and automatization
Skills
- Proficient in Java, with a good knowledge of its ecosystems
- Proficient in Springboot, Hibernate, RabbitMQ
- Solid understanding of object-oriented programming
- Familiar with various design and architectural patterns
- Skill for writing reusable Java libraries
- Knowledge of concurrency patterns in Java
- Familiarity with concepts of MVC, JDBC, and RESTful, GraphQL
- Experience with popular web application frameworks, such as Play and Spark
- Knack for writing clean, readable Java code
- Experience with both external and embedded databases
- Understanding fundamental design principles behind a scalable application
- Basic understanding of the class loading mechanism in Java
- Creating database schemas that represent and support business processes
- Basic understanding of JVM, its limitations, weaknesses, and workarounds
- Implementing automated testing platforms and unit tests
- Proficient understanding of code versioning tools, such as Git
- Familiarity with build tools such as Ant, Maven, and Gradle
- Familiarity with continuous integration
• Experience with Core Java, J2EE, Spring, Hibernate, HTML/HTML5, JavaScript, Jquery, Web
Services.
• Understand and use Messaging Based Services techniques.
• Working knowledge with MySQL or similar SQL Databases.
• Strong knowledge in Object Oriented Concepts with Core Java.
• Good understanding and practical experience with Enterprise Java Concepts and
Methodologies.
• Good understanding of software development process in an agile environment.
• Excellent problem solving and troubleshooting skills.
• Solid coding practices including documentation, code reviews and unit testing.
• Knowledge of Grails, ReactJS, MongoDB and Junit will be an added advantage.
• Proficiency with database management is a plus.
• Experience with AWS infrastructure, e.g. S3, EC2, database services (RDS).
• Contribute to Production Support and debugging across the platform while working with other
software engineers.
• Strong experience with Application server development - Service layer patterns using Spring.
Specialized Skills:
• Excellent verbal and written communication in English.
• Ability to work in a fast-paced environment.
• Ability to multi-task on a regular basis.
• Ability to accept direction and complete work according to instruction.
• Strong analytical skills while maintaining attention to details.
• Innovative problem-solving techniques.
• Ability to organize, prioritize work, meet deadlines and work independently.
• Ability to handle multiple projects and activities in a timely manner.
• High Emotional Intelligence for an office environment.
• Experience working with office productivity tools; delivery assurance and/or industry standards
on deliverables.
• Experience working with administrative and/or workflow systems.
• Technical leadership of an engineering team to build, deploy, and support a reliable,
performant and scalable RESTful platform.
Professional Experience:
5-8 years’ experience
Qualification:
BE(CSE) B.Tech, M.Tech, M.Sc, B.Sc (IT), ME, M.Sc(CS), MCA
Perks:
• Monday to Friday – 5 Days work schedule
• Health insurance benefits
• Accidental and disability insurance benefits
• Opportunity to grow and promote from within
• Staff development activities
Do not apply if:
• Not having Experience in java, My SQL
• Not fluent in speaking, reading, writing English as this position requires fluent English languagebased communication
- Deep understanding of technologies and architecture for a scalable and highly available set-up
- Experienced in Java/Golang and related Technologies like Spring/Hibernate
- Strong networking and Operating Systems fundamentals
- Experienced in Streaming technologies like Kafka
- Experience working with SQL and NoSQL Databases
- Experienced in developing the long-term tech strategy for analytics and translate that into an achievable roadmap
We’re looking for a Senior Backend Engineer to help us build the tools, services, and applications that will enable us to be the planet’s most patient-focused pharmacy. You will work on projects ranging from greenfield initiatives to matured products with an active user base.
What you’ll do:
- Collaborate with engineering team to design and implement products using event driven micro-services architecture.
- Interact with Product Managers and key stake-holders on regular basis to understand and execute Product vision.
- Take charge of end-to-end feature development, right from proof-of-concept to production deployment and support
- Brainstorm and lead continuous improvement projects for product
- Providing feedback to peer developers on code quality and development standards.
- Mentoring team on strong coding and design standards.
- Setting the bar high for development practises while striking the right balance between pragmatism and perfection for code and processes.
- Effectively document API's and services using Swagger/OpenAPI, visualize flow and dependencies using diagrams, and create technical documents on engineering wikis.
- Present crisp and clear feature demos to stakeholders.
Some of our opensource projects- https://meet.google.com/linkredirect?authuser=0&dest=https%3A%2F%2Fgithub.com%2Fmedly">https://github.com/medly
Your tool-belt:
We don’t expect anybody to be an expert on all of these, but you should be deeply familiar with some, and a self-starting learner who isn’t afraid to ask for help:
- Polyglot Development (at least 1 more lang apart from Java and JavaScript)
- At least one JVM language
- Functional Programming,
- OO Design, Clean Code, SOLID principles
- Solid grasp on HTTP, and REST
- Web based SaaS product development
- Deployment to AWS or any cloud
- Test Driven Development,
- Security Compliance like HIPAA, PCI-DSS, SOC2
- Git, Linux, CI/CD, Gradle, IDEA
- Security based on OAuth2 / OIDC
- SQL and NoSQL DBs like PostgreSQL, DynamoDB, ElasticSearch
- Docker
- SQL Migration tools like Liquibase, Flyway
- Semantic Versioning, Feature Toggles, PR, Feature Branches
What you`ll need:
- 3+ Years of experience mainly on Backend Development using any two languages (Java, Kotlin, NodeJS, Ruby etc.)
- Minimum a bachelor degree in Computer Science, Engineering or any related field.
You will work on the following:
- Develop service/APIs using Kotlin/Micronaut Node/Serverless
- Aurora Serverless PostgreSQL DB
- AWS, Lambda, API Gateway, Amplify, Cognito, Okta
- Github, Github Actions, SonarCloud
- Database versioning using tools like Liquibase
- Terraform to manage infra
- Cloudwatch/AWS X-Ray to monitor the infra
- Opportunity to make Open Source Contribution
- Have architected /designed at least 2-3 systems/products of enterprise scale from scratch.
- Have banking and Financial service background and preferably worked in Mobile/Digital platform design and development. Payments /OLTP preferred.
- Should have experience of 20+ years with J2ee, REST, Microservice, API, Messaging, Encryption, security, NLP, ML background.
- Have 7+yrs of experience in Architecture field, designing and end to end not from consulting Architecture.
- Responsible for design, architecture, and delivery of a feature or component/product with the highest quality with high-level directions from architects
- Driving innovations in the platform constantly & remaining ahead of the curve
- Development and testing of features/functions delivered via applications and services.
- Prototype ideas quickly using cutting edge technologies.
- Collaborating with peers and Architects both within their team and across the organization to deliver end-to-end products & features
- Working with product managers using agile methodologies to deliver high quality solutions on time
- Provide functional, design, and code reviews in related areas of expertise with-in team and cross-team.
- Working with operations teams to ensure your applications and services are highly available and reliable
- Mentoring junior engineers in the team both in the technical as well as on the product side
- Define and devise processes, tools and methodologies to achieve excellence in software development, testing and deployment, and in the management of the Centre.
- Good experience in working with any of the programming languages like PHP, Python, Django, Golang, Java, C++
- Experience developing applications that use high volume of data along with experience building applications on top of RESTful APIs.
- Solid knowledge of JAVA, J2EE, data stream, processing, big data etc.
- Comfortable with writing unit tests using JUnit
- Worked with Git and are comfortable with Merge/Rebase concepts.
- Worked with tools such as Eclipse, WebStorm, Ant, Maven, Jenkins, Sonar, JSLint, Grunt and App Servers such as Tomcat, Jboss.
- Solid knowledge of algorithms, design patterns, and componentization approaches.
- Experience and knowledge of open source software, frameworks and broader cutting-edge technologies.
- Experience in software design patterns, problem solving and troubleshooting skills.
- Ability to determine impact of architectural solutions and recommendations.
- Must have experience in justification of technology solutions to business leaders.
- Experience in refactoring existing codebase and in understanding existing implementations to decide to refactor or rewrite.
- Know how to identify Performance bottlenecks and use good coding patterns to avoid them in the first place.
- Have strong attention to detail.
- Ability to operate effectively both independently as well and within a team using Agile methodology.
- Proven problem-solving and interpersonal communication skills.
- Knowledge of payment domain will be an added advantage
Qualifications
- BE/BTech/ME/MTech in EE/CS or an equivalent qualification.
- 20+yrs of Experience.
- Minimum 12+years of hands on Java programming experience.










