

Shift timings : Afternoon
Job Summary
We are seeking an experienced Senior Java Developer with strong expertise in legacy system migration, server management, and deployment. The candidate will be responsible for maintaining, enhancing, and migrating an existing Java/JSF (PrimeFaces), EJB, REST API, and SQL Server-based application to a modern Spring Boot architecture. The role involves ensuring smooth production deployments, troubleshooting server issues, and optimizing the existing infrastructure.
Key Responsibilities
● Maintain & Enhance the existing Java, JSF (PrimeFaces), EJB, REST API, andSQL Server application.
● Migrate the legacy system to Spring Boot while ensuring minimal downtime.
● Manage deployments using Ansible, GlassFish/Payara, and deployer.sh scripts.
● Optimize and troubleshoot server performance (Apache, Payara, GlassFish).
● Handle XML file generation, email integrations, and REST API maintenance.
● Database management (SQL Server) including query optimization and schema updates.
● Collaborate with teams to ensure smooth transitions during migration.
● Automate CI/CD pipelines using Maven, Ansible, and shell scripts.
● Document migration steps, deployment processes, and system architecture.
Required Skills & Qualifications
● 8+ years of hands-on experience with Java, JSF (PrimeFaces), EJB, and REST APIs.
● Strong expertise in Spring Boot (migration experience from legacy Java is a must).
● Experience with Payara/GlassFish server management and deployment.
● Proficient in Apache, Ansible, and shell scripting (deployer.sh).
● Solid knowledge of SQL Server (queries, stored procedures, optimization).
● Familiarity with XML processing, email integrations, and Maven builds.
● Experience in production deployments, server troubleshooting, and performance tuning.
● Ability to work independently and lead migration efforts.
Preferred Skills
● Knowledge of microservices architecture (helpful for modernization).
● Familiarity with cloud platforms (AWS/Azure) is a plus.

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Experience: 10 to 20 years
Location: Bangalore
We are seeking a passionate and skilled Java Technical Lead with 8 to 12 years of experience in product
development and team leadership. As a key member of our global software development team, you
will be responsible not only for solving complex technical problems but also for leading and mentoring
engineers, driving the design of scalable systems, and ensuring high quality delivery across projects.
Experience in leading development teams, managing end
to end project delivery, and working directly
with clients to translate business problems into technical solutions is essential.
Key Responsibilities:
Lead the design, development, testing, a nd deployment of scalable Java applications.
Break down client/business problems and define clear technical tasks for the team.
Provide technical guidance and mentorship to team members throughout the development
lifecycle.
Collaborate with cross functiona l teams to deliver new features and enhancements.
Participate in and lead code reviews, ensuring adherence to best practices and maintaining
code quality.
Own and drive the architecture and design discussions for new modules and systems.
Ensure timely deli very of project milestones and proactively resolve technical blockers.
Evaluate and integrate new tools and technologies to improve efficiency and product quality.
Serve as the primary technical point of contact for your team and stakeholders.
Required Ski
lls:
8+ years of hands on experience in Java development.
Proven experience in building products or applications from scratch (not just
maintenance/support).
Strong object oriented programming skills and hands on experience with Spring, Spring Boot,
Hibernate, etc.
Solid understanding of system architecture, design patterns, and microservices architecture.
Experience in leading small to mid sized teams and managing technical delivery.
Proficiency in data structures, algorithms, and performance optimiz ation.
Strong communication and stakeholder management skills.
Experience working with RESTful APIs and cloud platforms such as AWS, Azure, or GCP is a
plus.
Good understanding of SQL and NoSQL databases.
Strong debugging, troubleshooting, and problemStrong debugging, troubleshooting, and problem--resoresolution skills.lution skills.
Desired Attributes:
Desired Attributes: Excellent problemExcellent problem--solving and decisionsolving and decision--making skills.making skills. High levels of ownership, accountability, and selfHigh levels of ownership, accountability, and self--drive.drive. Strong team leadership and collaboration abilities.Strong team leadership and collaboration abilities. Proactive attitude and commitment to engineering excellenProactive attitude and commitment to engineering excellence.ce. Recognitions or awards in previous roles are a big plus.Recognitions or awards in previous roles are a big plus. Passion for continuous learning, coaching others, and improving team capabilities.Passion for continuous learning, coaching others, and improving team capabilities.
About Wissen Technology:
About Wissen Technology:
Wissen Technology is a niche global consulting and solutions company that brings unpa
Wissen Technology is a niche global consulting and solutions company that brings unparalleled domain ralleled domain expertise in Banking and Finance, Telecom and Startups. Wissen Technology is a part of Wissen Group expertise in Banking and Finance, Telecom and Startups. Wissen Technology is a part of Wissen Group and was established in the year 2015. Wissen has offices in the US, India, UK, Australia, Mexico, and and was established in the year 2015. Wissen has offices in the US, India, UK, Australia, Mexico, and Canada, with bestCanada, with best--inin--class infrastructclass infrastructure and development facilities. Wissen has successfully delivered ure and development facilities. Wissen has successfully delivered projects worth $1 Billion for more than 25 of the Fortune 500 companies. The Wissen Group overall projects worth $1 Billion for more than 25 of the Fortune 500 companies. The Wissen Group overall includes more than 4000 highly skilled professionals.includes more than 4000 highly skilled professionals.
Wissen Technology provides exceptional
Wissen Technology provides exceptional value in mission critical projects for its clients, through value in mission critical projects for its clients, through thought leadership, ownership, and assured onthought leadership, ownership, and assured on--time deliveries that are always ‘first time right’.time deliveries that are always ‘first time right’.
Our team consists of 1500+ highly skilled professionals, with leadership and senior management
Our team consists of 1500+ highly skilled professionals, with leadership and senior management eexecutives who have graduated from Ivy League Universities like Wharton, MIT, IITs, IIMs, and NITs and xecutives who have graduated from Ivy League Universities like Wharton, MIT, IITs, IIMs, and NITs and with rich work experience in some of the biggest companies in the world.with rich work experience in some of the biggest companies in the world.
Wissen Technology offers an array of services including Application Development,
Wissen Technology offers an array of services including Application Development, Artificial Intelligence Artificial Intelligence & Machine Learning, Big Data & Analytics, Visualization & Business Intelligence, Robotic Process & Machine Learning, Big Data & Analytics, Visualization & Business Intelligence, Robotic Process Automation, Cloud, Mobility, Agile & DevOps, Quality Assurance & Test Automation.Automation, Cloud, Mobility, Agile & DevOps, Quality Assurance & Test Automation.
We have been certified as a
We have been certified as a Great Place to WorkGreat Place to Work®® for two consecutive years (2020for two consecutive years (2020--2022) and voted 2022) and voted as the Top 20 AI/ML vendor as the Top 20 AI/ML vendor by CIO Insider.by CIO Insider.
Company Name – Wissen Technology
Group of companies in India – Wissen Technology & Wissen Infotech
Work Location - Bangalore/Mumbai
Java Developer – Job Description
Wissen Technology is now hiring for a Java Developer - Mumbai 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+ 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.
About Wissen Technology:
Wissen Technology is a niche global consulting and solutions company that brings unparalleled domain expertise in Banking and Finance, Telecom and Startups. Wissen Technology is a part of Wissen Group and was established in the year 2015. Wissen has offices in the US, India, UK, Australia, Mexico, and Canada, with best-in-class infrastructure and development facilities. Wissen has successfully delivered projects worth $1 Billion for more than 25 of the Fortune 500 companies. The Wissen Group overall includes more than 4000 highly skilled professionals.
Wissen Technology provides exceptional value in mission critical projects for its clients, through thought leadership, ownership, and assured on-time deliveries that are always ‘first time right’.
Our team consists of 1200+ highly skilled professionals, with leadership and senior management executives who have graduated from Ivy League Universities like Wharton, MIT, IITs, IIMs, and NITs and with rich work experience in some of the biggest companies in the world.
Wissen Technology offers 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.
We have been certified as a Great Place to Work® for two consecutive years (2020-2022) and voted as the Top 20 AI/ML vendor by CIO Insider.


About the company
Adia makes clinicians better diagnosticians. Adia Health revolutionizes clinical decision support by enhancing diagnostic accuracy and personalizing care. It modernizes the diagnostic process by automating optimal lab test selection and interpretation, utilizing a combination of expert medical insights, real-world data, and artificial intelligence. This approach not only streamlines the diagnostic journey but also ensures precise, individualized patient care by integrating comprehensive medical histories and collective platform knowledge.
Position Overview
We are seeking a highly skilled backend engineer specializing in integrations and platform development to join our dynamic team. The ideal candidate will have a background working in a complex domain and have a proven track record of success. This role requires a deep understanding of backend technologies, strong problem-solving skills, and the ability to collaborate effectively with cross-functional teams.
Key Responsibilities
- Design, implement, and maintain scalable and secure integrations with third-party systems and APIs to enable seamless data exchange and functionality.
- Develop and maintain internal platform services and APIs to support various product features and business requirements.
- Collaborate with cross-functional teams to ensure smooth integration of backend services with user-facing applications.
- Work closely with product managers and stakeholders to understand integration requirements and translate them into technical solutions.
- Identify opportunities for performance optimization, scalability improvements, and system enhancements within the integration and platform infrastructure.
- Implement monitoring, logging, and alerting solutions to ensure the reliability and availability of integration services and platform components.
- Experience with HL7/FHIR is a huge plus.
Qualifications
- Bachlor's degree in Computer Science, Engineering, or a related field
- Proven experience (5+ years) in backend development with expertise in building integrations and platform services
- Proficiency in Node.js, JavaScript, TypeScript, MongoDB, SQL, noSQL, AWS (or other cloud providers like GCP or Azure)
- Strong problem-solving skills and the ability to collaborate effectively with cross-functional teams in an agile environment
- Experience working in a complex domain, ideally U.S. Healthcare
- English fluency required
At least 4 years' experience as a Node.js developer.
Experience in Microservices
Extensive knowledge of JavaScript, web stacks, libraries, and frameworks.
Mandatory experience in Postgres and MySql.
Knowledge of front-end technologies such as HTML5 and CSS3.
Superb interpersonal, communication, and collaboration skills.
Exceptional analytical and problem-solving aptitude.
Area
We are on a mission to enable businesses to build agile and accountable technology teams that can deliver results in a secure and scalable way. You will be working in one such technology team for our clients across the world.
Role
We are looking for a Software Engineer - NodeJS to join our awesome team and deliver a streamlined user experience. We want a team member who strives to develop a first-class codebase using Nodejs best practices. As a Nodejs Developer, you will implement a complete user interface in the form of a mobile/desktop web app & handle its integration with the back-end.
Responsibilities
-
Collaborate with front-end and back-end developers and designers to build website following client requirements
-
Create clear, simple, and reusable code
-
Develop all server-side logic, including data storage to optimize website performance
-
Identify programming bottlenecks and bugs and find fixes
-
Test, update and validate web applications to be used on different web browsers
-
Execute automated testing platforms and system tests
Qualifications
-
BSc/BE/BTech in Computer Science, Engineering or a related field
-
At least 2+ years of experience with JavaScript and Node.js
-
Hands-on expertise in REST, MySQL/PostgreSQL, WebSocket, MongoDB, Redis, etc.
-
Familiarity with Docker and AWS infrastructure
-
Understanding of data security principles
-
Proficiency in JavaScript, web stacks, libraries, and frameworks
-
Strong analytical and problem-solving aptitude skills

Kunato.AI is a NY-based IT firm helping to create the first marketplace that monetizes digital content on the internet (i-commerce). We have patented our technology - a quantitative deep tech system that predicts, assigns, and updates the value of any digital content in real time without the need for human intervention. Our system has the potential to create a new digital goods marketplace that will revolutionize the way we consume, create and search for content on the Internet.
We are looking for a Rust Developer (with 2-6years of experience) to join our cutting-edge development team as it grows. The candidate must be comfortable working in an agile environment and has the ability to take the lead when necessary.
Roles and Responsibilities:
- Responsible for developing the product as per the product specification defined by the product managers
- Responsible for preforming research on the best methods of implementing the requirements
- Author and curate technical documentation to support delivery, maintenance, and adoption
- Work with programmers, engineers, and management heads to identify process improvement opportunities, propose system modifications, and devise governance strategies to optimize the overall performance
- Design and develop automated deployment and maintenance mechanisms
- Solving development challenges and making architectural decisions by understanding the larger picture of the projects goals
- Expanding your existing skill-set, and picking up on various rust dependent frameworks
- Confidently communicating and collaborating with your fellow developers in a remote team environment
Essential skills:
- Must have experience in Rust programming language
- Have excellent knowledge of different data structures and algorithms
- Working knowledge of any other programming language Python, Java, or JavaScript is good to have
- Experience with, or understanding of, Kafka or Redis, Cloud infrastructure services, Docker is an added advantage
- Experience with SQL or NoSQL databases, MySQL, MongoDB, Elasticsearch, etc.
- Experience in Backend and APIs development
- Experience in analysing and optimizing the platform’s performance
- Excellent verbal communication skills

About us:-
Zupee is India's hottest Real Money Gaming Platform
With in 1 yr of start, we just had an initial team of around 30 people, these 30 were successful to bring 10 Million+ users and an overall consumer spend of 1.5 Billion USD on the platform, the journey which needed years to be covered was covered with in 1yr. As we speak today, Zupee has been profitable for almost an year now and has ended the year 2020 with a team size of 70+ and over all growth rate was mapped around 20X.
Our user base has significantly gone up and we have invested highly in technology and have got best in class tech stack, it's time to add the backend developers who can help us scale up the platform so that we can drive profitable growth and become the market leader in our space.
Backend Developer :- (3 - 12 yrs)
What You'll Need?
- Knowledge of languages (JavaScript, Python) and frameworks/systems (nodejs)
- Strong analytical skills and aptitude
- Understanding of data architecture, software design and best coding practices
- Understanding of TCP/IP networking concepts and technologies
- Ability to learn new languages and technologies
- Experience with databases (both SQL and NoSQL)
- Familiarity with Agile development methodologies
- Working knowledge of Linux
• Develop key functionality and core capabilities for using
Java/J2EE stack
• Design and develop RDandX Network’s microservices and ensure bug free code is pushed to
the deployment pipeline to support large volume of transactions
• Define and communicate the technical design requirements to the Network’s stakeholders
and the Engineering lead
• Responsible for building restful services to integrate with third party services like AdWords
and Facebook marketing API
• Responsible for designing the technical architecture of the different services and
maintaining and upgrading it
• Designing the unit test cases and building the framework for the development team to
enforce the unit testing in all the services
• Be involved and participate in the end to end products’ lifecycle management
• Learn about new technologies and Stay up to date with best practices
• Collaborate with multidisciplinary team of designers, engineers, system administrators and
product team
• Lead the Backend team and manage their day to day activities and work deliverables
Should have:
i. 4-7 years of Working Experience
ii. Experience of Java, J2EE, Spring boot, PostgreSQL
iii. Should have working knowledge of Jenkins, Git, Maven, Glassfish or Tomcat server
iv. Experience on working with cloud technologies like AWS (Kinesis, Lamda, SQS) or GCP (Pub/Sub,
DataProc, DataFlow) is desirable
v. Have experience working with large scale data real time processing systems
vi. Should have working experience on building event driven micro services APIs
vii. Elastic search experience and K8 experience is good to have


The Team and Your Role
You will be a part of the Enterprise Engineering team, which is responsible for design and development of foundational software utilized by applications throughout AQR, including:
§ Enterprise Cloud Platform
§ Enterprise Messaging Fabric
§ Common Data Access Framework
§ Role Based Entitlements System
§ Application Monitoring and Alerting
§ Application Configuration Management
§ Business Notifications
These foundational services are part of a larger project that streamlines the entire SDLC from project inception through to production and post-production. We build and maintain common development tools and libraries that are implemented in Java, Python and Golang. The libraries provide business applications with core functionalities needed to build any application within our environment. In addition, we provide standardized cloud-based runtime platform with necessary tooling for all AQR applications.
What You Will Bring
§ Engineering degree in Computer Science or equivalent field from top schools
§ 3 to 5 years of software development experience with substantial individual contribution
§ Outstanding coding, debugging and analytical skills
§ Experience working with complex projects through the software development lifecycle
§ Experience working in a geographically spread out team
§ Hands on programming experience with mastery over at least one programming language in Java or Python
§ Strong knowledge of: Spring, Multithreading, Open Source dbase
§ Microservice architecture
§ RESTful application design
§ Experience designing and developing distributed systems
§ OOP design patterns (especially Java or Python) and data modeling
Our technology platform includes:
§ AWS
§ Kafka
§ Mesos
§ Docker
§ Redis
§ Spring Boot
§ Excellent communication skills both verbal and written
§ Demonstrated contributions to open-source software is also a plus

