Job Description
Apply only if you have experience in data structure and algorithms. (Data structure and algorithms based questions is a part of the interview)
Experience: 3 + years
Location: Bangalore
Notice Period: Immediate to 20 days
Working: currently WFH
Skills: Core Java developer, hashmap, linked list, array, spring, hibernate, OOPS
Please mention the IT skills worked on.

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Job Description below:
Required Skill Set
Senior Software Engineer- Java
- Experience in Core Java 5.0 and above, Data Structures, OOPS, Multithreading, Algorithms, Collections, Unix/Linux
- 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-volume server-side development
- Basic working knowledge of Unix/Linux
- Excellent problem solving and coding skills in Java
- Strong interpersonal, communication and analytical skills.
- Should have the ability to express their design ideas and thoughts.
Job Brief-
· Understand product requirements and come up with solution approaches
· Build and enhance large scale domain centric applications
· Deploy high quality deliverables into production adhering to the security, compliance and SDLC guidelines
About Wissen Technology
Wissen Technology, established in 2015 and part of the Wissen Group (founded in 2000), is a specialized technology consulting company. We pride ourselves on delivering high-quality solutions for global organizations across Banking & Finance, Telecom, and Healthcare domains.
For more details:
Website: www.wissen.com
Wissen Thought leadership : https://www.wissen.com/articles/
LinkedIn: Wissen Technology
Role: Java Backend Developer with AWS
Key Responsibilities
● Design & Development: Build robust, scalable, and maintainable backend services using Java 17+ and the Spring Boot ecosystem.
● API Design: Develop and document RESTful for consumption by web and mobile frontends.
● Database Management: Optimize complex queries and design schemas for relational (PostgreSQL, MySQL) and/or NoSQL (MongoDB, DynamoDB) databases.
● Microservices Architecture: Contribute to the migration or maintenance of microservices, ensuring high availability and low latency.
● Code Quality: Perform thorough code reviews and write comprehensive unit, integration, and functional tests (JUnit, Mockito).
● Cloud & DevOps: Deploy and manage applications in AWS using Docker and Kubernetes.
● Collaboration: Work closely with Frontend Developers, Product Managers to translate business requirements into technical specifications.
Required Technical Skills
● Java Mastery: Deep understanding of Core Java, Multithreading, and Stream API.
● Frameworks: Extensive experience with Spring Boot, Spring Security, and Spring Data JPA/Hibernate.
● Cloud Experience: Proficiency with cloud-native services (e.g., AWS Lambda, S3, RDS, or SQS).
● Messaging: Experience with message brokers like Apache Kafka for asynchronous processing.
● CI/CD: Hands-on experience with Jenkins, GitLab CI, or GitHub Actions.
● Version Control: Expert-level knowledge of Git and branching strategies.
Qualifications & Soft Skills
● Experience: 5+ years of professional experience in backend development.
● Problem Solving: Ability to debug complex production issues and performance bottlenecks.
● Communication: Excellent verbal and written communication skills—vital for a remote/hybrid contractor setup.
● Adaptability: Proven ability to quickly learn new codebases and business domains.
Work Location: Bangalore
Job Type: Full-time
Experience Level: 5-10 years
Job Description:
We are looking for a talented Java Developer with a strong background in multithreading, microservices , Spring Boot, data structures and algorithms, and SQL, specifically within the banking sector. The ideal candidate will be responsible for designing and implementing high-performance applications that cater to our financial services.
Key Responsibilities:
- Develop and maintain robust, scalable Java applications using Spring Boot.
- Implement multithreading concepts to enhance application performance and responsiveness.
- Design and optimize data structures and algorithms for efficient data processing.
- Collaborate with business analysts and stakeholders to understand requirements and translate them into technical solutions.
- Write complex SQL queries and optimize database interactions to ensure high performance.
- Conduct code reviews and contribute to team best practices and standards.
- Troubleshoot and resolve issues in a timely manner, ensuring minimal impact on business operations.
- Stay updated with the latest trends in Java development and banking technology.
Required Qualifications:
- Bachelor’s degree in computer science, Information Technology, or a related field.
- Proven experience as a Java Developer, added advantage in the banking or financial services domain.
- Strong proficiency in Java, with a deep understanding of multithreading concepts.
- Hands-on experience with the Spring Boot framework and Microservices
- Solid understanding of data structures and algorithms and their application in solving complex problems.
- Proficient in SQL and experience with relational database management systems (e.g., Oracle, MySQL).
- Strong analytical and problem-solving skills, with the ability to work under pressure.
- Excellent communication skills and the ability to work
If interested, Kindly drop cv in linkedIn: linkedin.com/in/ranjini-c-n-36b674131
Responsibilities
Drive new feature development - from ideation to PoC to testing to scalable production deployments
Writing reusable, testable, and efficient code
Implementing highly scalable, secure, robust, and fault-tolerant systems
Working on continuously improving tools and systems Required Skills
Knowledge of relational databases (MySQL, Postgres) and NoSQL
Demonstrable experience with microservices (design, deployment, monitoring, etc.)
Strong proponent for best practices and code quality
Experience in architecting & building real-time, large scale software applications.
Excellent command over Data Structures and Algorithm Proficiency in implementation of algorithms and use of advanced data structures to solve problems in computing.
Bring software engineering and product delivery experience, with a strong background in algorithms.
Understanding fundamental design principles behind a scalable application.
Good communication skills
Strong Problem solving and analytical skills
Experience in Fintech Industry is a plus
About the company.
It is India's largest Corporate Employee Benefits Platform. Founded by alumni of UCLA, Amazon, and Microsoft. Our major verticals are Corporate Perks, Rewards & Recognition, and financial solutions. We are currently partnered with more than 250+ corporates, including Concentrix, RBS, Fidelity, Walmart, Amazon, etc., whose employees are offered exclusive privileges through our 10,000+ brand partners across categories It is leading the employee benefits market in India which pegged at $2 billion and growing.
• BS/MS in Computer Science or equivalent from a premier institute Strong development, coding experience in one or more programming languages like OO Programming (Java), Functional/Scripting languages.
• Expertise in Data Structures, Algorithms, Concurrency.
• Expertise in Micro-services Architecture, multi-threading, performance-oriented programming and designing skills
• Strong software design/development experience in building massively large-scale distributed internet systems and products
• Experience of working on Big Data technologies and applications
• Expertise in one or more persistence technologies (Cassandra, Redis, ElasticSearch, RDBMS).
• Superior organization, communication, interpersonal and leadership skills
• Must be a proven performer and team player that enjoy challenging assignments in a high-energy, fast-growing and start-up workplace
• Must be a self-starter who can work well with minimal guidance and in a fluid environment
• Provide good attention to details
• Must be excited by challenges surrounding the development of highly scalable & distributed system for building audience targeting capabilities
• Agility and ability to adapt quickly to changing requirements and scope and priorities
scale distributed systems
You will
- Work closely in the respective software engineering team in design and development of
high scale mission critical applications.
- Drive the design and development of one or more components/applications in your
product by establishing robust low level design, good code practices, and unit testing.
- Partner with cross functional teams like product management, operations and business
to propose and influence the design of platforms/systems for higher scale and
complexity.
- Mentor software engineers in the team in solving complex problems and delivering
great quality software, do regular code reviews and play a key role in overall
deliverables.
What do we look for
While we are quite technology agnostic, we particularly look for some concepts that go behind
building high quality products for our consumers.
Coding : Extensive coding in one the following: Java/Python/ROR/Golang
Design : System design, design patterns, designing data structures, source code and
performance algorithms.
Cross functional : Ability to work with diverse teams like Products, business and
operations. Your ability to gather requirements, attention to detail and learnability
would really matter
Experience :4 to 7 years of experience in consumer internet companies or high
scale SAAS
What essential skills you need
▪ 8-11 years’ experience in back end Java/J2EE application development.
▪ Expertise in developing internet web applications using Java/J2EE technologies.
▪ Experience of working in a service-oriented architecture and web-based development.
▪ Experience in writing XSD, Wiz-dull including parsers like SAX, DOM.
▪ Experience in different modules of Spring framework like Dependency Injection (IoC), Spring MVC, Spring ORM along with JPA.
▪ Experience in Java Version 7.0+. Good experience with JMS, Spring & Hibernate.
▪ Experience in identifying database solutions for a given problem, preferably MySQL.
▪ Demonstrated ability to analyze business/functional requirements, develop well-structured, maintainable code, delivered on time, with automated tests. We are an XP/Agile development team.
▪ Hands on experience on tools like Log4j, JUnit, Mockito, SVN, Maven, Covertura.
▪ Knowledge in Java queuing system.
▪ Extensive Experience in using MVC (Model View Controller) architecture for developing applications using JSP, JSTL, Java Beans and Servlets.
▪ Hands on experience in using Application/Web servers like JBoss and Tomcat servers. Worked on databases like Oracle/MYSQL/NoSQL/HQL.
▪ Experience with e-commerce, retail, analytics, advertising, or media would be an advantage
Requirements:
- Experience in Enterprise Java building restful microservices
- Strong Exposure to any of the Java Enterprise frameworks such as Spring, Vert. x, Quarkus or others
- Good exposure to databases such as PostgreSQL, MongoDB etc
- Good analytical and problem-solving capabilities along with excellent communication skills.
- Any exposure to UI programming using REACT JS or AngularJS is a plus
- Preferred candidate who can join in 15 days or max 30 days.
Responsibilities
- Work with the architect in identifying modules, interfaces, functionality to be developed
- Participate in the entire application lifecycle, focusing on coding and debugging
- Write clean code to develop functional web application, addressing technical and design requirements
- Understand and implement heuristic algorithms as necessary
- Troubleshoot and debug applications
- Create and maintain upto date documentation
- Collaborate with Front-end developers to integrate user-facing elements with server side logic
- Provide training and support to internal teams
- Build reusable code and libraries for future use
- Liaise with developers, architects, designers and system administrators to identify and incorporate new features
Requirements
- Proven work experience in Java as a Back-end developer
- In-depth understanding of the entire web development process (design, development and deployment)
- Hands on experience with programming languages like https://resources.workable.com/back-end-developer-job-description" target="_blank">Java and Python
- Hands on experience in relational and non relational databases
- Working knowledge of CMS framework
- Familiarity with front-end languages (e.g. HTML, JavaScript and CSS)
- Excellent analytical and time management skills
- Teamwork skills with a problem-solving attitude
- BE/ MS degree in Computer Science or relevant field
➢ Design, implement and enhance new components of the Livspace design
platform and content management platform
➢ Design new features for the e-commerce properties and front-end products
and mobile apps
➢ Maintain engineering infrastructure
➢ Have significant impact on current and future technology roadmap
➢ Contribute creatively in strategic products that will reach large audience
➢ Build a web product that users love.
Who you are:
➢ You earned B.Tech or equivalent degree in computer science or related
engineering field
➢ You have at least 3+ yrs of experience working with large scale web
products
➢ You can learn new technologies quickly
➢ You have strong communication and collaboration skills
➢ You have prior ownership of the delivery of an entire feature/subsystem
You know your way around these:
➢ Linux, Apache, MySQL and PHP
➢ Javascript, AngularJS, JQuery, HTML, CSS
➢ Object oriented programming with Java/Python/Ruby
➢ HTTP and REST web services










