
Exp. - must be 8-12 yrs
Location - Bangalore/Mumbai
• Experience in Core Java 5.0 and above, CXF, Spring.
• Extensive experience in developing enterprise-scale n-tier applications for financial domain. 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 Experience into Microservices , Data structures , Oops , Algorithms, multithreading etc
• Good development experience with RDBMS, preferably Sybase database.
• Good knowledge of multi-threading and high-volume server-side development.
• Experience in sales and trading platforms in investment banking/capital markets.
• Basic working knowledge of Unix/Linux.
• Experience into High /Low level designing.
• 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.

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
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Experience in Core Java, Spring Boot.
• Experience in microservices.
• Extensive experience in developing enterprise-scale systems for global organization. Should possess good architectural knowledge and be aware of enterprise application design patterns.
• Should be able to analyze, design, develop and test complex, low-latency client-facing applications.
• Good development experience with RDBMS in SQL Server, Postgres, Oracle or DB2
• Good knowledge of multi-threading
• Basic working knowledge of Unix/Linux
• Excellent problem solving and coding skills in Java
• Strong interpersonal, communication and analytical skills.
• Should be able to express their design ideas and thoughts
Locations: Bangalore & Mumbai
⏳ Experience: 3–15 Years
⚡ Notice Period: Immediate Joiners or Max 10 Days
Mandatory Skills:
✅ Strong Core Java
✅ Excellent Problem-Solving Skills
✅ Data Structures & Algorithms
✅ AI / LLM Knowledge
✅ Strong Coding Skills
Important:
Candidates must be available for a Face-to-Face Interview in Bangalore or Mumbai.
Only Immediate Joiners or candidates serving up to 10 days' notice period will be considered.
ey Responsibilities:
- Design, develop, and maintain microservices using Java (Spring Boot).
- Implement RESTful APIs and ensure integration with front-end and third-party services.
- Work with AWS services such as EC2, ECS, Lambda, S3, RDS, API Gateway, CloudWatch, etc.
- Utilize CI/CD pipelines (Jenkins / GitHub Actions / AWS CodePipeline) for deployment automation.
- Implement security, scalability, and high availability best practices in microservice architecture.
- Collaborate with DevOps, QA, and Product teams to deliver robust solutions.
- Monitor and troubleshoot production issues using AWS CloudWatch / ELK / Prometheus & Grafana.
- Participate in code reviews, design discussions, and agile ceremonies.
Required Skills & Qualifications:
- Strong proficiency in Java 8+, Spring Boot, Spring Cloud, and RESTful APIs.
- Solid understanding of microservices architecture and service discovery / communication patterns (Eureka, Feign, Ribbon, etc.).
- Hands-on experience with AWS Cloud (ECS, Lambda, API Gateway, RDS, DynamoDB, S3, CloudFormation).
- Experience with Docker and Kubernetes for containerization and orchestration.
- Proficient in RDBMS / NoSQL databases (MySQL, PostgreSQL, MongoDB).
- Familiar with CI/CD pipelines, Git, and DevOps best practices.
- Knowledge of message brokers (Kafka, RabbitMQ, SQS) is a plus.
- Strong debugging, problem-solving, and analytical skills.
• As a member of the development team, become deeply familiar with the product goals, and provide thought leadership on the technical aspects of realizing the product goals
• Contribute to the SDLC best practices, modeled after contemporary industry standards, and ensure the practices are diligently followed
• Encourage automation in various aspects of software development such as code reviews, unit tests, continuous integration, system testing. Identify appropriate tools, and create best practices around automation
• Participate in requirement gathering, analysis, designing proofs of concepts
• Team up with various stakeholders in aiding project planning, estimation, execution, and production support
• Identify the most appropriate platforms, frameworks, and third-party components to meet the product requirements
• Define and own the interfaces, such as services and APIs between product components
• Perform code walkthroughs, reviews. Promote code-reuse. Identify opportunities for refactoring code, and ensure code is modular and extensible.
• Ensure adequate coverage of functional and non-functional requirements in test plans
• Provide guidance on production support/bug-fixing issues. Own the technical resolution of high-priority fixes
Technical Skills:
• 0-3 years of hands-on experience with Python and Python-based frameworks such as Django, Flask, and web2py, etc.
• Hands-on experience with web-based front-end technologies is a plus
• Understanding of fundamental design principles for building a scalable web application and integration using RESTful APIs and JSON data
• Deep familiarity with n-tier and MVC patterns
• Strong unit testing and debugging skills
• Familiarity with CI tools such as Jenkins
Who are we looking for?
• Should be comfortable working in a team-oriented, fast-paced, collaborative environment
• Willingness to take on ownership and responsibility
• Resourceful, confident under pressure, ability to communicate with folks with varied experience and backgrounds
• Aptitude for problem-solving and analytical skills
Everyone at Simpl is an internal entrepreneur who is given a lot of bandwidth and resources to create the next breakthrough towards the long-term vision of “making money Simpl”. Our first product is a
payment platform that lets people buy instantly, anywhere online, and pay later. In the background, Simpl uses big data for credit underwriting, risk and fraud modeling, all without any paperwork, and enables Banks and Non-Bank Financial Companies to access a whole new consumer market.
Areas of work
Principals are involved in Architecture Direction and Alignment
1. Tracking and directing how the overall system architecture evolves.
2. Developing and identifying useful architecture patterns within our systems based on
industry know-how and our own operational and development experience.
3. Develop and manage an architecture decisions guidelines framework that will be useful to
make consistent, faster and reliable architecture and design decisions.
4. Documenting or making this information available to all engineers - new or old
5. Create mechanisms to audit and ensure architectural compliance across engineering teams
Internal Developer Community and Tech growth for teams
Create and nurture tech communities so that developers can
● gain more knowledge about the industry practices
● learn to express their knowledge, opinions and views
Quality
Monitor and improve the quality of our systems by helping with
1. Bug reduction
2. MTTR reduction
3. Ensuring better engineering practices around testing, tooling, monitoring and resilience.
Cost - Infra and application costs
Ensuring systems are run and maintained with frugality in mind without compromising on business and operational expectations.
Hiring
Help hire and mentor engineers at Simpl.
Partners at Work
Principals partner with team leads, product managers, infosec engineers and devops engineers, ensuring alignment in vision and execution, splitting time between different domains as they see fit.
Minimum Qualifications
● At least 8 years of software development experience
● Experience with technically leading projects and architecting high-traffic consumer-facing applications.
● A background in CS or relevant technical experience.
● Familiarity with languages like Go, Java, Ruby and Python.
● Familiarity with the AWS Stack.
|
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 |
|
Job Title : Sr Java Developer
Job Description
We are seeking a well experienced full stack Java developer for our product. As a member of the software engineering division, you will assist in defining and developing software for tasks associated with the developing, debugging or designing of software applications or operating systems. Provide technical leadership to other software developers. Specify, design and implement modest changes to existing software architecture to meet changing needs.
Roles and responsibilities?
- Design, develop and implement software programming applications.
- Build highly scalable product.
- Participate in gathering business requirements and assessing existing architectures and resources.
- Work with application development team in delivering the project and deliverable within time and with good quality.
- Perform unit testing, oversee quality assurance of applications through system testing.
- Establishes processes for performance and conducts code review.
- Manage and mentor junior members of the team on good coding practice
Skills and experiences would I bring into this role?
- E/ B.Tech / MCA in computer science or a related field
- 4+ Years of Java/J2EE work experience.
- Object-Oriented design, patterns, algorithms, data structures
- Well knowledge about Spring Hibernate framework.
- Exposure to React JS / Angular JS.
- Experience with SQL/No-SQL database technologies – MySQL, Mongo dB, Cassandra, Redis, PostgreSQL, etc.
- Experience in Web services (REST or SOAP)
- End to end web development experience is highly preferred
- Good understanding of unit testing methodologies.
- Good analytical and communication skills
- Startup work culture mindset.









