
| • Experience of over 5+ years with solid understanding of object-oriented design • Proficient in Java, J2EE and related technologies. • Experienced in using Spring Boot, messaging systems. • Good understanding of relational database performance concepts and usage of ORM frameworks such as Hibernate • Expert understanding of the object-oriented design and programming concepts • Strong Knowledge on Data Structures, Algorithms and Collections. • Solid experience building applications on top of RESTful APIs. • Knowledge/experience with Spring MVC • Stroing knowledge in developing and executing automated unit, functional and integration tests • Good communication and analytical skills. • Strong trouble shooting skills. |

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📢 Hiring: Java Developer at Deqode
🔷 Experience- 2+ Years
🔷 Location- Indore
🔷 Mode- 5 Days WFO
(Only immediate joiners & candidates serving notice period)
✅ Must-Have Skills:-
- 2+ years of hands-on Java development experience
- Strong expertise in Spring Boot & Microservices architecture
- Solid experience with AWS services
- Experience with CI/CD Pipelines
- Working knowledge of Docker
- Solid problem-solving mindset
JOB DESCRIPTION
Experience: 5-8 years
Location: Mumbai
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. - 5-8 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 Title: Java Developer (Low Latency)
Location: Bangalore
Experience: 7 to 11 Years
Work Location: Cessna Business Park, Wissen office, Bangalore
Work from office in a Hybrid mode (Thrice a week)
Notice Period: Immediate candidates who could join us within 30 days. (Should be serving Notice period - Mandatory)
Required Skills:
8+ years of hands-on experience in Core Java (8 or above).
Strong experience in low latency system development and performance tuning.
Proficiency in multithreading, concurrency, and memory management (GC tuning).
Solid understanding of data structures, algorithms, and design patterns.
Experience with messaging systems (Kafka, RabbitMQ, etc.) and distributed systems.
Familiarity with microservices architecture, REST APIs, and Spring Boot.
Experience in trading or risk systems is required.
Exposure to FX or equity trading applications would be a big plus.
Company Name – Wissen Technology
Group of companies in India – Wissen Technology & Wissen Infotech
Work Location - Senior Backend Developer – Java (with Python Exposure)- Mumbai
Experience - 4 to 10 years
Kindly revert over mail if you are interested.
Java Developer – Job Description
We are seeking a Senior Backend Developer with strong expertise in Java (Spring Boot) and working knowledge of Python. In this role, Java will be your primary development language, with Python used for scripting, automation, or selected service modules. You’ll be part of a collaborative backend team building scalable and high-performance systems.
Key Responsibilities
- Design and develop robust backend services and APIs primarily using Java (Spring Boot)
- Contribute to Python-based components where needed for automation, scripting, or lightweight services
- Build, integrate, and optimize RESTful APIs and microservices
- Work with relational and NoSQL databases
- Write unit and integration tests (JUnit, PyTest)
- Collaborate closely with DevOps, QA, and product teams
- Participate in architecture reviews and design discussions
- Help maintain code quality, organization, and automation
Required Skills & Qualifications
- 4 to 10 years of hands-on Java development experience
- Strong experience with Spring Boot, JPA/Hibernate, and REST APIs
- At least 1–2 years of hands-on experience with Python (e.g., for scripting, automation, or small services)
- Familiarity with Python frameworks like Flask or FastAPI is a plus
- Experience with SQL/NoSQL databases (e.g., PostgreSQL, MongoDB)
- Good understanding of OOP, design patterns, and software engineering best practices
- Familiarity with Docker, Git, and CI/CD pipelines
Our client is the Health-tech initiative of India's largest business house. Started in 2015, it empowers healthcare providers and consumers in India. All healthcare monitoring services are made available through an app that will help connect doctors, hospitals, pharmacies, laboratories and consumers, enabling preventive and predictive healthcare. It helps the care-givers to track the entire patient journey from the initial appointment and maintaining their records, generating lab test reports to providing virtual consultation and home-care solutions. It is expected that this futuristic guide will strengthen doctor-patient relationship and enhance the in-clinic experience.
As the Java Programmer, you will be responsible for developing cutting edge health-tech applications that include high scale transaction processing, intelligent bot based programs and data analytics.
What you will do:
- Building components for the company's advanced health tech platform using Java, Solr, SpringBoot, DialogFlow
- Communicating effectively in a cross-functional product development team and present ideas and solutions effectively
- Participating in technical planning and requirements gathering phases including design, code, test, troubleshoot, and document engineering software applications
- Developing the Code as per the requirements
- Working with product team and constructing the tech roadmap
- Designing, building and scaling the company's backend microservices
- Maintaining code integrity and organization
- Applying all quality requirements to make the code production ready
- Developing and deploying new features to facilitate related procedures and tools if necessary
- Developing documentation related to technical aspects and to facilitate current support, development, upgrades, or migrations
- Designing and building efficient, reusable, and reliable Java code
- Pro actively catching and fixing bugs, and providing support for the back end services
- Managing servers and infrastructure by keeping the lights on and refining the deployment architecture
What you need to have:
- Expert at hands on programming in JAVA and J2EE
- Must be from Product based companies (Should have developed Web Apps)
- Proven expertise in Java interfaces with MongoDB (or similar noSQL databases) as well as relational databases (mySQL, Postgres etc)
- Key contributor in atleast one 6+ months development project involving SpringBoot and Hibernate
- Strong understanding of application server infrastructure
- Good working knowledge of Maven based build systems
- Good understanding of build and deployment pipelines that involve ANT and Jenkins
- Proficient understanding of code versioning tools, such as Git or SVN
- Good knowledge of working on Rest APIs, Webservices
- Excellent problem-solving skills
- Hands on experience with Lucene/Solr
- Familiarity with DiagFlow based chat bot building
- Knowledge of NLP
- Learnt AI/ML systems
- Excellent interpersonal skills and the ability to build good working relationships.
- Must be self-motivated to prioritize and manage workload and meet critical project milestones and deadlines.
- Able to effectively collaborate with a team as well as take initiative and work independently to solve problems
|
Mandatory Skills |
Good to Have Skills |
|
JDK 1.8 + |
PLSQL |
|
Microservices |
Knowledge of SQL Performance Tuning |
|
Spring framework |
Experience with Cloud |
|
Spring Boot |
Knowledge of Cloud Foundry (Pivotal CF) |
|
Java Messaging Services (JMS) / Kafka / Rabbit MQ |
On-call support experience with PagerDuty, Service Now |
|
SOAP & REST APIs |
Knowledge of infrastructure monitoring tools like Nagios, New Relic |
|
SQL |
Knowledge of Splunk |
|
ORM technologies like Hibernate / IBatis / MyBatis |
Experience working with Lean and Extreme Programming (XP) |
|
Continuous integration tools like Jenkins/ Bamboo |
NoSQL databases such as MongoDB or any other NoSQL DB |
|
Code Quality tools/frameworks like Sonar / PMD |
Automated Integration Testing & Contract Testing |
|
Automated Testing. Unit Testing, |
|
|
Agile development methodologies |
|
Headquartered in Silicon Valley, Gupshup is a global leader in cloud messaging, enabling businesses to build engaging conversational experiences, seamlessly across 30+ messaging channels, using a globally available cloud API.
Gupshup handles over 4.5 billion messages per month and has processed over 225 billion messages, enabling over 36,000 businesses to engage nearly a billion users across channels including SMS, WhatsApp, Facebook Messenger, Twitter, WeChat, Viber, Slack, Android RCS, Mobile App and Mobile Web.
Gupshup offers a comprehensive product portfolio that includes an easy to use omni-channel messaging API, advanced bot building platform and mobile marketing tools. Gupshup has also forged strategic partnerships with Facebook, WhatsApp, Google and Cisco to offer innovative mobile messaging solutions with broad reach.
You could log on to https://www.gupshup.io/developer/home">https://www.gupshup.io/developer/home for more information.
Location: Mumbai (Goregaon East )
Roles and Responsibilities:
- Experienced in Java and associated technologies.
- Should have worked with highly scalable web applications
- Good debugging capability
- Should be able to search through logs on server and narrow down to root cause of functional issue from stack trace or performance issue from logs of latency of different components.
- Product development experience in agile environment will be a big plus though not mandatory.
- Highly Tech Savvy and hands-on. Good exposure into design patterns
- Good understanding of OOPS concepts.
- Experience of working with open source technology and tools.
Regards,
Tina Dsouza











