
We are seeking a skilled Java Developer with hands-on experience in Java and Spark to build scalable data processing solutions. You'll contribute to high-performance data pipelines and analytics platforms in a dynamic Agile environment.
Key Responsibilities
- Design and develop Java applications integrated with Apache Spark for ETL processes, data transformations, and analytics.
- Build and optimize Spark jobs (Spark SQL, DataFrames, Streaming) for large-scale data processing.
- Collaborate with data engineers and analysts to implement robust data workflows.
- Write clean, maintainable Java code following best practices (Spring Boot, Microservices preferred).
- Perform code reviews, unit testing, and contribute to CI/CD pipelines.
- Troubleshoot and optimize Spark performance for production workloads.
- Document technical solutions and mentor junior developers.
Required Skills & Qualifications
- 4-7 years of hands-on Java development experience.
- Strong expertise in Apache Spark (Spark Core, Spark SQL, PySpark basics).
- Proficiency in Java 8/11+ with multithreading and collections frameworks.
- Experience with data processing (ETL, data pipelines, big data).
- Familiarity with build tools (Maven/Gradle) and version control (Git).
- Strong problem-solving skills and Bangalore location availability.
- Excellent communication skills for cross-team collaboration.
Good to Have
- Experience with Snowflake for cloud data warehousing.
- Knowledge of DBT (Data Build Tool) for analytics engineering.
- Python scripting for data manipulation and automation.
- Exposure to AWS/GCP/Azure cloud platforms.
- Familiarity with Kafka, Airflow, or containerization (Docker/Kubernetes).

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
- Excellent programming in Core Java, Multi-threading.
- Java technologies: Core Java, Java EE/J2EE, JPA/Hibernate, Spring
- Should have good understanding on design patterns.
- Should have minimum 1 yr exp in spring boot / Microservices / Amazon Web Services.
- Should have experience developing RESTful services along with Spring and Hibernate
- Good exposure & experience in Product development.
- Ability to collaborate with Architects on development and design.
- Up to date with technology trends and be able to set direction for other developers.
- Ability to evaluate and build POCs, make recommendations around Java, DevOPs, Mobility and Cloud related technologies.
Technical Skills :
- Microservices, Spring Boot, HIbernate, REST
- Redis, MongoDB, MySQL
- DevOps - CI/CD, Ansible/Docker/Kubernetes.
- Cloud - AWS/Google
Hello! You've landed on this page, which means you're interested in working with us. Let's take a sneak peek at what it's like to work at Innovaccer.
Engineering at Innovaccer
With every line of code, we accelerate our customers' success, turning complex challenges into innovative solutions. Collaboratively, we transform each data point we gather into valuable insights for our customers. Join us and be part of a team that's turning dreams of better healthcare into reality, one line of code at a time. Together, we’re shaping the future and making a meaningful impact on the world.
About the Role
We at Innovaccer are looking Software Development Engineer-II (Fullstack) to build the most amazing product experience. You’ll get to work with other engineers to build delightful feature experiences to
understand and solve our customer’s pain points
A Day in the Life
● Building efficient and reusable applications and abstraction
● Identify and communicate best practices.
● Participate in the project life-cycle from pitch/prototyping through definition and design to build, integration, and delivery
● Analyse and improve the performance, scalability, stability, and security of the product
● Improve engineering standards, tooling, and processes
What You Need
● 2-5 years of experience with a start-up mentality and a high willingness to learn
● Expertise in Python/NodeJS
● Experience working in Web Development Frameworks (Express/Django or Flask)
● Experience working in teams of 3-10 people.
● Knowledge of Relational Databases
Nice to have
● Experience working in FE (JS + React)
● Experience in Cloud (AWS)
● Experience in Terraform
We offer competitive benefits to set you up for success in and outside of the work
.
Here’s What We Offer
● Generous Leave Benefits: Enjoy generous leave benefits of up to 40 days.
● Parental Leave: Experience one of the industry's best parental leave policies to spend time with your
new addition.
● Sabbatical Leave Policy: Want to focus on skill development, pursue an academic career, or just
take a break? We've got you covered.
● Health Insurance: We offer health benefits and insurance to you and your family for medically related
expenses related to illness, disease, or injury.
● Pet-Friendly Office*: Spend more time with your treasured friends, even when you're away from
home. Bring your furry friends with you to the office and let your colleagues become their friends, too.
*Noida office only
● Creche Facility for children*: Say goodbye to worries and hello to a convenient and reliable creche
facility that puts your child's well-being first. *India offices
Where and how we work
Our Noida office is situated in a posh space, equipped with various amenities to support our work environment. Here, we follow a five-day work schedule, allowing us to efficiently carry out our tasks and
collaborate effectively within our team. Innovaccer is an equal opportunity employer. We celebrate diversity, and we are committed to fostering an inclusive and diverse workplace where all employees, regardless of race, color, religion, gender, gender identity or expression, sexual orientation, national origin, genetics, disability, age, marital status, or veteran status, feel valued and empowered.
Disclaimer: Innovaccer does not charge fees or require payment from individuals or agencies for securing
employment with us. We do not guarantee job spots or engage in any financial transactions related to
employment. If you encounter any posts or requests asking for payment or personal information, we strongly
advise you to report them immediately to our HR department at px@innova. Additionally, please
exercise caution and verify the authenticity of any requests before disclosing personal and confidential
information, including bank account details
.
About Innovaccer
Innovaccer Inc. is the data platform that accelerates innovation. The Innovaccer platform unifies patient data
across systems and care settings and empowers healthcare organizations with scalable, modern applications
that improve clinical, financial, operational, and experiential outcomes. Innovaccer’s EHR-agnostic solutions
have been deployed across more than 1,600 hospitals and clinics in the US, enabling care delivery
transformation for more than 96,000 clinicians, and helping providers work collaboratively with payers and life
sciences companies. Innovaccer has helped its customers unify health records for more than 54 million people
and generate over $1.5 billion in cumulative cost savings. The Innovaccer platform is the #1 rated
Best-in-KLAS data and analytics platform by KLAS, and the #1 rated population health technology platform by
Black Book. For more information, please visit innovaccer.com.
Check us out on YouTube, Glassdoor, LinkedIn, and innovaccer.com
● Proven work experience as a Back-end developer.
● In-depth understanding of the entire web development process (design, development and deployment).
● Proficient in Java, with a good knowledge of its ecosystems
● Basic understanding of JVM, its limitations, weaknesses, and workarounds
● Ability to decide when to use relational vs NoSQL databases and must be experienced with at least one of
the relational databases (MySQL) as well as experience with ElasticSearch will be good to have
● Familiarity with concepts of MVC, JDBC, and RESTful
● Experience with Spring, Spring Boot, Spring MVC
● Experience in CI/CD and Cloud technologies
● Expertise in developing enterprise-level web applications and RESTful APIs using MicroServices, with
demonstrable production-scale experience
● Familiarity with front-end languages (e.g. HTML, JavaScript and CSS) - Not mandatory
● Participation in coding competitions such as hackathon, hackerrank will be added advantage.
About Us:
Developed in formal collaboration with the University of Cambridge in May 2000, HeyMath! is an Ed-Tech company whose mission is to Raise the Game in Maths for school systems around the world. We do this using technology to deliver engaging teaching methodologies and personalised learning paths for students. HeyMath! has been successfully adopted by CBSE schools since 2004, with positive outcomes for the entire ecosystem.
Check us out at www.heymath.com
We plan to work mainly from home in 2022 and the virtual office atmosphere is collegiate, informal and friendly, with small high-impact teams making a difference to customers.
What we are looking for:
Experience in building and re-engineering cloud based solutions on AWS.
Strong knowledge of Object Oriented Programming(OOPS) and design patterns is a must. Hands-on development on Spring MVC framework.
Experience working on Java 8 or above.
Must have very good knowledge of RDBMS such as MySQL and performance tuning of the same.
Exposure to server-side and client-side caching mechanisms. Ability to debug the applications and provide instant workable solutions.
Experience working on Elastic Search / Kafka / Kubernetes or all is a nice to have.
- Programming Language: Java, J2EE
- Framework: Spring MVC, Spring Security, Hibernate, JMS
- Strong knowledge in any one Relational Databases (Mysql / Oracle/ SQL Server).
- Operating System: Windows & Linux.
- Configuration Management: GIT
- Tools & Utilities: STS / Eclipse / IntelliJ / NetBeans.Web/Application Server: Jboss.
- Excellent hands-on experience and knowledge of SQL.
- Strong experience in Web services (SOAP and RESTFUL).
- Should have expertise in Design Patterns, Transactions, Multi-threading concepts.
- Experience using Maven.
- Knowledge of data structure
- Deliver entire application life cycle - concept, design, build and test complex web applications.
- Gather requirements around functionality and translate those requirements into elegant functional and technical solutions.
- Collaborate with cross-functional teams to define, design, and ship new features.
- Unit-test code for robustness, including corner cases, usability, and general reliability.
- Perform bug fixing and ensure acceptable application performance.
- Continuously upgrade knowledge on technology changes, evaluate impact to application, and implement changes to ensure minimal latency in application availability to users.
- Work closely with project/product managers while effectively working across multiple projects and delivering to deadlines.
- Mentor the team members on the nuances of technology and implement best practices within the team.
Position: Java developer
Experience: 4-5 years
Notice period- immediate to 7 days
• Core Java, J2EE, Spring, Spring Boot, Angular, JavaScript, JQuery, Bootstrap, CSS3, HTML, Ajax, JSON, SQL, PLSQL, Web Services, Restful API’s
• Having good experience in writing complex database queries.
• Should be a quick learner and keen on learning new technologies
• Good knowledge in Object Oriented Programming Principles, Design Patterns and Software Architecture
• Experience with building SaaS-based web applications
• Ability to work as part of a team and offer new ideas
• Working knowledge of GIT version control system
• Product development background.
Experience in C#, OOps, Javascript, HTML
· Should have delivered successful end-to-end development to deployment experience on Web applications and Api’sin last 1-5 years
· Experience in SQL is a must
· Should have 1-5 years experience in backend development
· Experience in service-based development using technologies such as Web API and RESTful services.
· Proficient in writing clean, well-structured code with proper abstraction and reusability.
. Ability to work to tight deadlines, manage priorities, and take responsibility for delivering to time and quality requirements.
Expereince: 3-5 years
Domain: SQL server/SSIS/Cloud technology
Good Knowledge in Creating new tables in database.
Using Triggers, trunket,delete,view,etc












