
Java Developer – Job Description
Wissen Technology is now hiring a 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 consultancy.
Required Skills:
• Exp. - 2 to 7 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 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 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.
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Must Have Skills:
- Overall 10+ years of experience in application development using Golang.
- Experience in designing and developing REST based services / Microservice development.
- Ability to design scalable, robust, and error-tolerant systems.
- Understanding of software architecture and distributed systems.
- Proficient in writing efficient and optimized algorithms under time constraints.
- Skilled in developing solutions that balance performance, readability, and maintainability.
- Ability to effectively communicate coding decisions and rationale during problem-solving discussions.
- Hands-on experience with queuing mechanisms such as Kafka or RabbitMQ.
- Candidates should be adaptable and eager to quickly learn and integrate into the existing tech stack if they lack direct experience.
- Candidate should have good communication skills (written and verbal).
- Experience with delivering projects in an agile environment using SCRUM methodologies.
Good to have:
- Experience to AWS, CI/CD, DevOps.
- Experience using container management tools such as Kubernetes, Docker and Rancher.
- Any one of these data store Cassandra, Postgres, Couchbase, or other NoSQL servers.
🚀 Hiring: Java Developer at Deqode
⭐ Experience: 2+ Years
📍 Location: Mumbai
⭐ Work Mode:- 5 Days Work from Office
⏱️ Notice Period: Immediate Joiners
(Only immediate joiners & candidates serving notice period)
We are looking for a Java Developer (Mid/Senior) to join our Implementation & Application Support team supporting critical fintech platforms. The role involves backend development, application monitoring, incident management, and close collaboration with customers. Senior developers will handle escalations, mentor juniors, and drive operational excellence.
Key Responsibilities (Brief)
✅ Develop and support Java applications (Spring Boot / Quarkus).
✅Monitor applications and resolve production issues.
✅Manage incidents, perform root cause analysis, and handle ITSM tickets.
✅Collaborate with customers and internal teams.
✅(Senior) Lead escalations and mentor junior engineers.
Top Skills Required
✅ Java, Spring Boot, Quarkus
✅Application Support & Incident Management
✅ServiceNow / JIRA / ITSM tools
✅Monitoring & Production Support
✅Kafka, Redis, Solace, Aerospike (Good to have)
✅Docker, Kubernetes, CI/CD (Plus)
JAVA SPRING BOOT
Mandate Skills: Java+Springboot (Mandatory), Angular is add on
This is Java lead developer role based in Pune India. You should be ready to take challenges and passionate about CI/CD practices. You should be a good team player with excellent sense of ownership & responsibility. Technical skills :
- You have experience building applications on Spring Framework, Springboot & RESTFul web services is must.
- Hands on experience in Front-End technologies such as Angular JS is preferable.
- You have experience working on Unix / Linux.
- You have DB query experience on Oracle.
- Effective & clear communication Understands the value of diversity in the workplace and is dedicated to fostering an inclusive culture in all aspects of working life so that people from all backgrounds receive equal treatment, realize their full potential and can bring their full, authentic selves to work.
• Knowledge of Agile methodologies & best practices for the SDLC (including coding standards, code
reviews, source control management & build processes).
• Must have experience in designing Factories/API/Interfaces independently in Java
• Highly skilled in using OR Tools like Hibernate/Ebean.
• Must have a good understanding of relational databases (MySQL/Postgres), transactions, and indexing.
• Must be able to do performance optimization, and use multi-threading wherever possible.
• Experience with Kafka, Big Query, and ElasticSearch a plus.
• Drive test coverage and continuous delivery automation within the team.
• Experience with building highly available and scalable distributed systems a plus.
Preferred Qualifications:
• 3-4 Years of experience with a Bachelor’s/Master's degree in Computer Science, Math, or Related
technical domain from reputed organizations.
• Strong communication & mentoring skills
Key Responsibilities:
• Should have hands-on experience with Java
• Strong experience in Spring Boot, Micro Services
• Should be well versed with Agile Development methodologies
• Should have strong debugging and communication skill
• Should participate in design discussions and provide application designs, architecture, timeline estimations
• Problem-solving mind and attitude
• Ability to interface well with externally facing departments and directly with customers
• Effective communication skills – written, spoken, listening, and presentation
• Great Team player and experience working with global teams and global organizations Genuine interest in learning and knowledge sharing
Primary Skills:
• 2 years of Spring Boot and Microservices.
• 3+ years of experience in Core Java.
• Proficiency with Spring Framework.
• Innovate new approaches algorithms, libraries, tools, platforms, for relevant development areas
• Strong programming skills in Core JAVA / J2EE expert level
• Good at data structures, algorithms, problem-solving, and design patterns
• Knowledge of Web Services, Spring, ORM Frameworks, Spring Boot, Spring Cloud Gateway, OAuth2.0, Spring Security, JWT, Eureka, Hystrix, Apache Cassandra
• Should be well familiar with SQL/NO-SQL database
• Knowledge of Spring Batch, Kubernetes, Docker is a plus point
- Building customer products that operate at a scale
- Working on a back-end system using Python and Java
- Working on MySQL, NoSQL, Solr, Thrift, Flask, RabbitMQ, Redis, etc.
- Working on analytics and data science
- Working on server management (Google Cloud)
- Explore different functions of building a tech product/company early in your career.
- Learn to Prioritize Work and learn the ability to decide some technical decisions vs others ata very early stage of your career
- Be instilled with the value of hard work, ownership, and self-sustainability.
- Be more actively involved in the decision-making and functioning of the company.
- Understand the great importance of personal ownership and the liberty needed to pursue that ownership
- Hungry for Growth & Learning
- Willing to go all out for an accelerated career in software engineering
- Ready to experiment things never done before – Conquer uncharted waters
- Think Out-of-the-Box – Innovative and effective solutions
- Top Gun command over technologies (Mentioned above)
- You'll learn how to target efficiency rather than perfection.
- This empowerment will help you become a better leader at a very early stage of your career.
- Join the Core team – Get real insights into building a Product and Business ground up
- Enjoy the freedom, that comes with a lot of ownership
- Challenging and fun work environment
- Flexible Work Culture – We are a target driven organization. We like hard-workers, but we adore smart-workers more!
- Unlimited Vacation policy - Work hard, and take a break when you need
Role: Backend Engineer
About Saras Analytics:
-
You are a great teammate with proven capabilities working on SaaS product and a passion for writing exception code.
-
You are hungry for an opportunity to join a start-up and become a member of core platform team driving the company forward.
-
Has good analytical and problem-solving skills and is able to break down a solution into smaller units of work and produce a solution roadmap.
-
Has written high quality, well-tested shared components that can be leveraged by multiple systems. Can step into specific projects to supply additional management, coding and engineering capacity as needed.
-
Has expert knowledge in distributes systems and high-volume transactions.
-
Understand the product mission, goals, and tasks and execute with the team to achieve them.
-
Understand the design and architecture and build modules in accordance with it or recommend and make the necessary changes that adds more stability to our product.
-
Improve the quality of our front-end code and our overall front-end user experience.
-
Takes requirements (business features, technical debts and internal enhancements) and designs resilient solutions.
Requirements
- 1+ years of hands-on experience in Java/Kotlin.
- Demonstrable understanding of Design Patterns.
- Experience in Context & Dependency Injection or Spring framework, Hibernate/JPA.
- Experience in RESTful/SOAP web services in integrating with 3rd Party API Integrations.
- Proficient in SQL (PostgreSQL) and NoSQL databases.
- Experience in multi-threading and concurrency is a plus Experience in JMS messaging using Apache Zookeeper and Kafka is a plus.
- Experience in Angular is a plus. Knowledge of modern CI/CD environments: Git, Gradle, GitLab Familiarity with tools like Postman, SOAPUI, IntelliJ
- Willing to learn our tech-stack (Kotlin | CDI | Angular).
- Develop API integrations using RESTful/SOAP web services.
- Significant technical academic course work or equivalent work experience
- Excellent communication and interpersonal skills.
- Knowledge on cloud infrastructure is a plus.
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.
Job Summary:
- Willingness to work on highly scalable cloud-native solutions based on microservices.
- Quickly learn the technologies and deliver using the same.
- Take complete ownership of the customer requirements.
- Motivated to deliver world-class quality.
- Inclined to bring new ways of thinking, working and providing solutions.
- Drive the concept of quality into everybody and have a zero-tolerance towards bad quality.
- Understand requirements from product management, customer and able to comprehensively break this down to manageable tasks.
Experience:
● 3-9 years of development experience.
Technical Skills:
Mandatory:
- Java - Advanced concepts concurrency, reflection, lambda, Java Springboot, Spring security,
- Actuator/Prometheus/Grafana/Servo (metrics),
- EFK/ELK stack (log analysis)
- OpenAPI/Swagger (documentation)
- RDBMS (PostgreSQL, MySQL, Maria or any other)
- NoSQL (Anyone of Mongo DB, Redis, Cassandra, Neo4J or other DBs)
- Automated unit tests/e2e tests (JUnit, TestNG, RestAssured etc)
- CI/CD pipelines (Jenkins, Sonar, Maven/Gradle etc)
Optional: (But highly recommended)
- NewSQL DB (TiDB, CockroachDB)
- AMQP/RabbitMQ
- Kafka
- Docker
- Kubernetes









