Java Developer

Experience: 8-12 years

Location: Bangalore

Wissen Technology is now hiring for a Senior 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. - 8-12 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 Us:

At Wissen Technology, we deliver niche, custom-built products that solve complex business challenges across industries worldwide.

Founded in 2015, our core philosophy is built around a strong product engineering mindset—ensuring every solution is architected and delivered right the first time. Our commitment to excellence translates into delivering 2X impact compared to traditional service providers. How do we achieve this? Through a combination of deep domain knowledge, cutting-edge technology expertise, and a relentless focus on quality. 

We don’t just meet expectations—we exceed them by ensuring faster time-to-market, reduced rework, and greater alignment with client objectives. We have a proven track record of building mission-critical systems across industries, including financial services, healthcare, retail, manufacturing, and more. 

Wissen stands apart through its unique delivery models. Our outcome-based projects ensure predictable costs and timelines, while our agile pods provide clients the flexibility to adapt to their evolving business needs. Whether it’s AI/ML for unstructured data processing, cloud enablement, or data engineering, Wissen leverages its thought leadership and technology prowess to drive superior business outcomes. Our success is powered by top-tier talent. Our proprietary Interview Ninja platform ensures we hire the best, building high-performing teams that deliver unmatched results. 

Today, Wissen Technology has a global footprint with 2200+ employees across offices in the US, UK, UAE, India, and Australia. Our mission is clear: to be the partner of choice for building world-class custom products that deliver exceptional impact—the first time, every time.

Website : www.wissen.com 

Job Summary:

We are looking for an experienced Java Developer with 4+years of hands-on experience to join our dynamic team. The ideal candidate will have a strong background in Java development, problem-solving skills, and the ability to work independently as well as part of a team. You will be responsible for designing, developing, and maintaining high-performance and scalable applications.

Key Responsibilities:

• Design, develop, test, and maintain Java-based applications.
• Write well-designed, efficient, and testable code following best software development practices.
• Troubleshoot and resolve technical issues during development and production support.
• Collaborate with cross-functional teams including QA, DevOps, and Product teams.
• Participate in code reviews and provide constructive feedback.
• Maintain proper documentation for code, processes, and configurations.
• Support deployment and post-deployment monitoring during night shift hours.

Required Skills:

• Strong programming skills in Java 8 or above.
• Experience with Spring Framework (Spring Boot, Spring MVC, etc.).
• Proficiency in RESTful APIs, Microservices Architecture, and Web Services.
• Familiarity with SQL and relational databases like MySQL, PostgreSQL, or Oracle.
• Hands-on experience with version control systems like Git.
• Understanding of Agile methodologies.
• Experience with build tools like Maven/Gradle.
• Knowledge of unit testing frameworks (JUnit/TestNG).

Preferred Skills (Good to Have):

• Experience with cloud platforms (AWS, Azure, or GCP).
• Familiarity with CI/CD pipelines.
• Basic understanding of frontend technologies like JavaScript, HTML, CSS.

Job Summary:

We are looking for a skilled and experienced Java Developer to join our team. As a Java Developer, you will be responsible for developing and maintaining our applications using Java, Spring framework, and other related technologies. The ideal candidate should have a strong understanding of object-oriented programming principles, as well as experience with a variety of technologies such as SQL, NoSQL, and cloud computing.

Responsibilities:

• Design, develop, and maintain our applications using Java, Spring framework, and other related technologies
• Write clean, efficient, and optimized code for applications
• Collaborate with cross-functional teams to understand user requirements and deliver high-quality solutions
• Develop and maintain backend systems using Spring framework
• Work with databases, including SQL and NoSQL
• Ensure code quality and maintain documentation
• Troubleshoot and debug applications
• Stay updated with emerging trends and technologies in Java development
• Work with other teams to deploy and maintain applications

Requirements:

• 3-7 years of experience in Java development
• Strong understanding of object-oriented programming principles
• Experience with Java, Spring framework, and related technologies
• Familiarity with databases, including SQL and NoSQL
• Knowledge of cloud computing is a plus
• Excellent problem-solving and debugging skills
• Strong communication and collaboration skills
• Ability to work independently and as part of a team
• Bachelor's degree in computer science or a related field

Key Skills:

• Strong proficiency in Java programming language
• Experience with Spring framework, including Spring Boot and Spring MVC
• Familiarity with cloud platforms such as AWS, GCP, and Azure
• Experience building RESTful APIs
• Knowledge of microservices architecture
• Familiarity with SQL and relational databases such as MySQL and Postgres
• Familiarity with NoSQL databases such as MongoDB and Redis
• Experience with messaging systems such as Kafka and RabbitMQ
• Experience with containerization tools such as Docker and Kubernetes
• Understanding of software development principles and experience with SDLC methodologies
• Experience with Git version control and build tools such as Maven and Gradle
• Familiarity with front-end technologies such as Angular and React is a plus
• Strong problem-solving and analytical skills
• Good communication and interpersonal skills
• Ability to work independently and take ownership of tasks
• Experience with test-driven development and unit testing frameworks such as JUnit and Mockito
• Familiarity with CI/CD tools such as Jenkins is a plus
• Familiarity with caching technologies such as Redis is a plus
• Working knowledge of design patterns and software architecture principles is a plus.

• Executes the development, Maintenance, and enhancements of varying complexity levels across platform systems
• Translates the Business Requirements and specifications into related solutions designs to understand business needs and functional specifications
• Evaluates project deliverables to ensure they meet the specifications and architectural standards
• Write and review technical documents, including design, developments, and code review
• Provide technical support to team
• Work independently and handle product responsibilities with stakeholders and good communication skills
• Good understanding of performance and security aspects of software development
• Working experience in Agile Software Methodology (Scrum and Kanban)

• 6+ years of experience in Software development using Java and J2EE technologies
• Experience in designing front end interfaces using HTML, CSS, Javascript, iQuery, AJAX
• Experience in Build tools like Maven
• Strong hands-on experience in developing microservices using Springboot
• Strong hands-on experience in Spring Framework such as Spring MVC, IDC, AOP and Spring JDBC
• Experience in Core Java, Multi-threading, OOPs, Collections and servlets
• Unit and integration testing using Junit
• Experience in databases like MySQL, DB2 and Oracle
• Strong design skills and also experience in working with Design patterns to solve problems
• Good to have GCP, AWS, Azure public cloud platforms
  
  

Skills Required:

• Must-Have: Java, Spring/spring-boot, Data structure, Algorithm
• Any 2 (Must) out of the below-mentioned list : 

a.     JPA/Hibernate

b.     Messaging queue/Kafka/SQS/distributed message/SNS/JMS

c.     NoSQL/Aerospike/Reddis/Cassandra

d.     Microservices

Roles and Responsibilities:

• Technical design, implementation, deployment, and support.
• Partner with Business Analysts to review and implement business requirements.
• Perform development and unit testing, working closely with Business.
• Mentors and oversees the development of resources, including reviewing designs and performing code reviews.
• Ensure designs are in compliance with specifications
• Contribute to all phases of the development lifecycle
• Developing high-volume, low-latency applications for mission-critical systems and delivering high availability and performance
• Should have experience of working on Core Java/J2EE & OOPS concept
• Should be well versed with Spring/Struts & Apache Camel (OSGI Framework)
• Should have a good understanding of Hibernate and Other ORMs
• Should have an understanding of working on Web Service (SOAP/REST) and Maven
• Build tools such as Jenkins
• Caching Technique(Radis, Hazlecast, Aerospike)
• Database Knowledge - Oracle, MySQL

We are looking for Java Developers in the experience level of 3 to 5 years for our Client for Hyderabad Location. Looking for immediate to 15 days joiners only.

Skill sets-

Java with struts, spring, Spring Boot, hibernate ..oracle DB Background

About radix health 

We, http://www.radixhealth.com/">Radix health, Inc are a Healthcare IT solutions provider organization based out of US and India, developing innovative products that are solving some of the challenging problems for US Healthcare around patient access and patient care. We operate at the intersection of Clinical operations, data science and medical practices and we are a bunch of people with solid domain knowledge, technical expertise and eagerness to grow our footprint in the market.

Radix health is listed as one of the top 100 companies transforming US healthcare and we are proud to be associated with several leading medical groups in US. 

Working at radix health

Are you looking for a place where growth opportunities abound, where you'll have the freedom to forge your own path, and where you can feel good about the work you're doing?

We're looking for people who are passionate about improving healthcare, constantly seek to make themselves better, love challenging problems, and never say never.  We honor diversity and creative thought. We are committed to building an environment that challenges you, but where you can also have fun. As a growth-stage startup, we offer competitive compensation packages that reward hard work and long-term growth.

Perks at work

• Chance to work on real life problems in the healthcare industry.
• Culture of trust, empowerment and constructive feedback, Advanced technology stack , knowledge sharing through tech talks, product demos, parties & events.
• Competitive salary, great IT equipment, flexible working times, additional holidays and volunteering time off, free beverages and healthy evening snacks.
• A diverse, fun and open-minded team in a nice office in the centrally located part of Pune.
• Extensive onboarding, mentoring and personal development plan.
• Relocation assistance for outstation candidates.
• Comprehensive insurance benefits covering employees and their families.
• Genuine work/life balance served here. 

Our Recruiting Process:

We aim to reply to all applicants within a few days of receiving your application. Our interview process consists of several stages, each one allowing us to get to know you better, professionally and technically. It is also an opportunity for you to gain a better understanding of our culture and the work we do here at Radix Health.

The stages include:

• CV review
• A little coding/Logical challenge 
• Technical Interview with team
• Interview with VP. 

We value your time and we move fast and provide feedback at every stage of the interview.

If you like being at the place where decision making is quick then you are on the right track

Role :
We are looking for an experienced Java or full-stack developer who is passionate about developing solutions that improve healthcare. The ideal candidate will have at least 4 years of experience building large-scale web applications. 

You will be expected to define/scope feature-sets and develop new functions. You will be a part of the team that is focussed on our one of many industry leading software solutions, designing scalable/maintainable object oriented architecture and producing market leading, self-testable deliverables. 

You are expected to be a technology enthusiast, who likes to think out of the box, embraces new technology alternatives, has a creative mind and is a go-getter.

Qualifications:

• Education : BE/MS/M. Tech/MCS/MCS with excellent records
• Server side :  Java/J2EE, REST API development, RESTful web services, Spring Boot framework, JAX-RS APIs

• Concepts : Strong understanding of Data Structures, Concurrency, Mult-threading, Design patterns, Java packages, Garbage collection, collections, JVM, JDBC

• ORM : Mybatis, Hibernate
• Unit testing : JUNIT, TestNG, Mockito 
• Build : Maven, Gradle
• CI/CD : GIT, Devops practices, Jenkins, containerization using Docker
• Databases : SQL, No-SQL, RDS, PostgreSQL, MySQL

• Cloud :AWS, EC2, ES3, ECR etc.

• APM:  ELK, Grafana

Skills:

• At least 4 years of SAAS software development experience.
• Experience in cloud computing application implementations on AWS is a MUST!
• Excellent understanding of microservices architecture, design patterns, and standard methodologies with an eye towards scale, automation, resiliency, and high availability
• Experience with build-time dependency management (e.g. Ant, Maven); unit testing and code-coverage tools; test automation techniques and tools; and build automation tools (e.g. Jenkins,) tools is required. 
• Strong understanding of Java is expected 
• Good understanding of architectural principles involved in SaaS and multi-tenant platforms. 
• Strong interpersonal, influencing, collaboration and negotiation skills