
Wissen Technology is now hiring for a Java Developer
Location : Bangalore (The candidate must be based in Bangalore, as an in-person interview is a mandatory part of the selection process)
Notice Period: Immediate to Serving Notice Period & Up to 30 Days max
Skills: Hands-on experience in Core Java, Spring Boot, Microservices, Algorithms, Data Structure and SQL
Note: Bachelor's or Master's degree from a top-tier college or university is must.
Key Responsibilities:
- Design, develop, and test low-latency, high-volume client-facing applications.
- Develop and maintain enterprise-scale, n-tier applications for the investment banking/capital markets domain.
- Implement microservices-based solutions using Spring Boot and other modern frameworks.
- Work extensively with Core Java 5.0 and above, Spring Framework, and CXF
- Optimize applications for multi-threading and high-performance server-side development
- Collaborate with cross-functional teams to design and implement scalable, secure, and efficient solutions
- Work with RDBMS (preferably Sybase) to handle large-scale data processing.
- Develop and maintain applications on Unix/Linux environments
- Utilize enterprise application design patterns to build robust and scalable solutions.
- Troubleshoot and resolve complex technical issues while ensuring application stability and performance.
Required Skills & Experience:
- 1 to 6 years of hands-on experience in Java development
- Strong knowledge of microservices architecture and cloud-based deployment.
- Expertise in Spring Framework, Spring Boot, and CXF
- Experience in developing and optimizing applications for high-volume, multi-threaded environments
- Solid understanding of financial domain applications, sales, and trading platforms
- Proficiency in working with relational databases (Sybase preferred)
- Familiarity with Unix/Linux environments and shell scripting.
- Strong analytical, problem-solving, and communication skills.
- Ability to articulate and present design ideas effectively.
- Education: Bachelor's or Master's degree from a top-tier college or university is must.

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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Area
What You’ll Own
Architecture & Delivery
• Define and evolve backend architecture built on Java 17+, Spring Boot 3, AWS (Containers, Lambdas, SQS, S3), Elasticsearch, PostgreSQL/MySQL, Databricks, Redis etc...
• Lead design and code reviews; enforce best practices for testing, CI/CD, observability, security, and cost-efficient cloud operations.
• Drive technical roadmaps, ensuring scalability (billions of events, 99.9 %+ uptime) and rapid feature delivery.
Team Leadership & Growth
• Manage and inspire a distributed team of 6-10 backend engineers across multiple time zones.
• Set clear growth objectives, run 1-on-1s, deliver feedback, and foster an inclusive, high-trust culture.
• Coach the team on AI-assisted development workflows (e.g., GitHub Copilot, LLM-based code review) to boost productivity and code quality.
Stakeholder Collaboration
• Act as technical liaison to Product, Frontend, SRE, and Data teams, translating business goals into resilient backend solutions.
• Communicate complex concepts to both technical and non-technical audiences; influence cross-functional decisions.
Technical Vision & Governance
• Own coding standards, architectural principles, and technology selection.
• Evaluate emerging tools and frameworks (especially around GenAI and cloud-native patterns) and create adoption strategies.
• Balance technical debt and new feature delivery through data-driven prioritization.
Required Qualifications:
● 8+ years designing, building, and operating distributed backend systems with Java & Spring Boot
● Proven experience leading or mentoring engineers; direct people-management a plus
● Expert knowledge of AWS services and cloud-native design patterns
● Hands-on mastery of Elasticsearch, PostgreSQL/MySQL, and Redis for high-volume, low-latency workloads
● Demonstrated success scaling systems to millions of users or billions of events Strong grasp of DevOps practices: containerization (Docker), CI/CD (GitHub Actions), observability stacks
● Excellent communication and stakeholder-management skills in a remote-fi rst environment
Nice-to-Have:
● Hands-on experience with Datadog (APM, Logs, RUM) and a data-driven approach to debugging/performance tuning
● Startup experience—comfortable wearing multiple hats and juggling several projects simultaneously
● Prior title of Principal Engineer, Staff Engineer, or Engineering Manager in a high-growth SaaS company
● Familiarity with AI-assisted development tools (Copilot, CodeWhisperer, Cursor) and a track record of introducing them safely
Job Title: Engineering Manager (Java / Spring Boot, AWS) – Remote
Leadership Role
Location: Remote
Employment Type: Full-time
Required Skills:
- 3+ year of experience in Development in JAVA technology.
- Strong Java Basics
- SpringBoot or Spring MVC
- Hands on experience on Relational Databases (SQL query or Hibernate) + Mongo (JSON parsing)
- Proficient in REST API development
- Messaging Queue (RabitMQ or Kafka)
- Microservices
- Any Caching Mechanism
- Good at problem solving
Good to Have Skills:
- 4+ years of experience in using Java/J2EE tech stacks
- Good understanding of data structures and algorithms.
- Excellent analytical and problem solving skills.
- Ability to work in a fast paced internet start-up environment.
- Experience in technical mentorship/coaching is highly desirable.
- Understanding of AI/ML algorithms is a plus.
Job Description:
Good knowledge of python & Java. The order of need should be
- Builds (TeamCity/Jenkins, Urban Code Deploy, ANT/Maven)
- Python scripting
- JAVA
- Linux/Unix
And candidate should possess knowledge on the below :
- JIRA or other
- Agile (Scrum/Kanban, etc.)
- Bit bucket/GIT/SVN/Artifactory
- Linux/Unix
- Jenkins/Team City – ANT/Maven
- Usage & setup of IDE’s
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Overview Atom Technologies began its operations in 2005, with the sole aim of providing secured and seamless digital payment solutions to all. Throughout the years, Atom has been successfully developing innovative and award-winning digital payment solutions, catering to the needs of Small and Medium Merchants alike. This encompasses services like POS, Payment Gateway, IVR and Mobile Application. Roles and Responsibilities · Displaying sound knowledge of software engineering process you will work on Payment domain projects · You will participate in AGILE teams. · You must have Hands on experience of OOAD and Design Patterns · You should have ability to work as an individual contributor. · You will need to use capability of customer focus and collaboration skills · Using good analytical, debugging and tracing skills, you should be well-versed with clean code principles (SOLID, DRY, KISS) and exposure to secure coding is beneficial.
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Your Qualifications:
7 to 12 years of experience with majority as Java engineer
Strong hands on experience on building application using technologies Java, Spring, Hibernate, Maven/Gradle.
Experience in building Micro Services using Spring Boot / Go.
Strong knowledge and experience with SQL queries and databases like Postgre SQL/Oracle.
Strong knowledge and experience on Platform components such as Docker, Kubernetes and Service Mesh (Istio).
Good knowledge of scripting languages (preferably Python and Bash)
Familiarity with CI/CD environment (Jenkins).
Experience on Observability stack such as ELK Stack, Prometheus & Grafana would be added advantage.
Should have experience on Active MQ based async queuing system design and deployment.
Strong experience of system design and implementation of end-to-end integrated systems.
Familiarity with Hazelcast and Zk Solution would be a plus.
Strong skills to write technical design documentation.
Experience of leading a team as tech lead.
Ability to work effectively in a team environment as well as independently.
Good communication skills with tech/non-tech people.
What You'll Do:
Assigned to software development projects and/or system enhancements as tech lead.
Be engaged in a whole process of development project (requirements analysis, design, implementation, testing/verification, deployment, operation/maintenance).
Work closely with project manager and other engineers. Some of them are in different locations such as Japan and Singapore.
Always improve the design quality, code quality, testing quality and system quality spontaneously. In addition, create such a culture in our team.
Understand business needs and user behavior and develop solutions to those needs.
Develop and maintain a deep understanding of our systems and propose system improvements.
Guide and support less-experienced members as mentor and role model to improve the team productivity and achieve team’s goals together.
Better to Have:
Familiarity with Telecom Service Provider’s Billing Ecosystem/BSS Systems.
Familiarity with and experience on Cloud Native Technologies.
Familiarity with Agile Software development process.
Familiarity with and experience on Linux/Unix environment
Work experience with a remote team
Familiarity with Atlassian tools (JIRA, Confluence, HipChat)
Familiarity with source control system (Gitlab, SVN, etc.)
OUR COMMITMENT TO YOU:
You'll benefit from our network of global communities and collaborative culture that will help you build technical and functional skills and capabilities. And because we serve more than 28 countries industries globally, you'll have the opportunity to develop valuable industry-specific expertise.
The scale of our capabilities and client engagements and the unique way we innovate, operate and deliver value will give you the opportunity to deepen your existing skills even as you help create the latest technology trends. You'll have access to leading-edge technology.
Job description
- Design and develop large-scale business application using Java, Spring boot, Microservices Architecture
- Design and develop software application code by analyzing requirements and specification using Java and J2EE
- Creating webservices (SOAP/RESTful) and consuming webservices
- Strong fundamentals OOPS concepts, Exception Handling, Coding Standards
- Experience in MySQL/MSSQL/Oracle
- Experience in SDLC methodologies Agile / waterfall
- Good understanding of data structures and algorithms
- Basic working knowledge of Unix/Linux
- Must possess strong problem solving and troubleshooting skills
- Excellent team player with strong verbal & written communication skills.
o Minimum 8 years of overall experience in software development.
o Experience as a Lead developer .
o Experience with AWS,Architecture, Node js.
• Strong experience as a Java/J2EE development is required
• Excellent working knowledge in SPRING MVC, SPRING BOOT,
• Strong background in developing and deploying software that runs in a real-time, multi-threaded environment
• Good knowledge and experience with concepts of MVC, JDBC and RESTful API Integration
• Experience with threaded and asynchronous environment
• Experience with any of the following Frameworks is Desired: Spring, Spring Boot, Hibernate
• Fundamental understanding of design patterns
• Working knowledge of SOAP/XML/WSDL
• Proven experience in MongoDB
• Experience supporting and troubleshooting problems in a highly complex environment
• Familiar with agile / scrum development methodologies
• Proficient understanding of Code version tools like Git/ Bitbucket and SVN
• Familiarity with Continuous Integration and tools such as Maven and Jenkins.
Role & Responsibilities:
• You will be responsible for Java development and building large scale applications that are high performance, scalable, and resilient in an SOA environment
• Working closely with end-users and other members of the team to identify and employ the best solutions
• Developing and implementing strong algorithms/techniques for solving problems in a high-volume, high-availability environment
• Engaging end-users to identify new requirements, strategic direction and highlight issues
• Defining and building maintainable processes that provide resilient and stable platforms, which support end user’s business/technical demand
• Integrating new services and providing clean APIs and services for applications
• Understanding volume growth to ensure the systems








