
Java Developer – Job Description
Wissen Technology is now hiring for 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 consulting. Required Skills: • Exp. - 5 to 12 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 the year 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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Wissen Technology is now hiring for Java Developer with hands on experience in Core Java, multithreading, algorithms, and data structure.
We are solving complex technical problems in the financial 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 highly motivated and expert team which has made a mark as a high-end technical consulting.
Required Skills:
Experience - 3+.
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 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.
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.
Requirement
- Developer Background: The ideal candidate should come from a developer background with knowledge of Java and other programming languages.
- Database Management: They must have hands-on experience with database management.
- Experience Level: We are looking for a minimum of 3 years of experience.
- On-Call Experience: They must have proven on-call experience, demonstrating strong problem-solving skills, excellent communication, and the ability to manage stress effectively. We also value collaboration, proactivity, and a curious mindset.
L2 Support Engineers are responsible for:
- Production Issue Debugging
○ Analyzing logs and monitoring application behavior to identify root
causes of production issues.
○ Providing temporary resolutions using database-level fixes or
configuration changes.
- Handling Escalations from L1 Support
○ Addressing tickets and issues escalated from L1 by providing immediate
workarounds.
○ Ensuring minimal downtime and impact on business operations.
- Forwarding Issues to L3/Development Team
○ When a permanent code-level fix is required, the issue is escalated to the
L3 (Development) team.
○ Prior to escalation, L2 should provide a detailed analysis and temporary
resolution (e.g., database fix) to minimize user impact.
- Root Cause Analysis and Documentation
○ Conducting detailed root cause analysis (RCA) for major incidents.
○ Updating the Confluence Playbook with clear, actionable steps for L1
teams to facilitate future self-resolution.
Skill set Key words
Java17, Java Spring Boot, Kubernetes/AKS/Docker(Knowledge), Microservices, (MongoDB/DynamoDB)
Role and Resposbilities :
• Hands on experience in Java back-end development and skills with Spring-boot framework
• Real life experience with Continuous Delivery principles and related tools (Kubernetes, AKS, Docker)
• Expertise with Microservices design
• Understanding of the Design Patterns, Architectural Blueprints, UML and Application Design
• Experience in stateful application and web sessions
• Experience with MongoDB, DynamoDB
• Excellent communication skills and an ability to work in a team
Skills & Abilities:
1. Language: Java, J2EE, springboot, angular, react, node, (CSS: Tailwind CSS + angular Material) etc.
2. OS : Linux, windows
3. Database : Oracle, postgres, PL/SQL
4. Desirable : API integration, CI/CD, automation, working experience in the mobile financial domain
5. Able to mentor and guide juniors
6. Able to resolve customer queries independently
7. Able to write test cases and execute test plans
8. Added advantage (Good to have): application security, RabbitMQ, Apache Kafka, Grafana, Prometheus, MongoDB, shell scripting basics
Job Purpose: At the Mobiquity project engineering team, our core job is to customize, install, configure and support the customer during the entire project lifecycle.
Principal Accountabilities Development
1. Write code in Java and java based technologies as well as web GUI development using latest technologies like, angular, react, conforming to company guidelines against written requirements & high-level design documents, particularly for complex modules that cannot be handled by junior developers. Work in an IDE while developing code ( especially in Java) and use GIT, SVN or any other CM tool being used in the company, for checking in and checking out the code being developed.
2. Submit developed code for review, incorporate required changes and conduct Unit testing, after preparing Unit Test Plans and necessary stubs.
3. Review code offered by others and document response in assigned format.
4. Participate in (a) the integration of the developed code with code developed by other team members (this could happen on customer premises if appropriate environment is not available in-house) (b) preparation of the environment for integration testing (c) execution of integration testing (d) fixing the problems relating to the offered code as discovered in the integration testing.
5. Participate in load testing conducted on the final product and fix problems encountered.
6. Assist Product Validation Group in setting up the test environment, writing test cases, generating stubs and executing tests.
7. Review test cases written by the Product Validation Group.
8. Install product in customer location, train the customer reps on product features and operation & maintenance procedures, and complete user acceptance testing, making any changes in the final deliverable as required.
9. Handle customer queries and complaints received directly or through the company support organization.
10. Change code to fix reported customer problems after trouble shooting, get the fix reviewed and complete selective regression testing.
11. Draft user documentation for consolidation by the technical documentation team. This could include GUI, API, O&M and technical documentation relating to COTS. Review drafts prepared by junior developers.
12. Help maintain design requirement documents as directed.
13. Participate in the development, release, support & enhancement activity through multiple release cycles and multiple products
14. Proactively seek feedback/reviews on self-development, learning, and developed code. Responsible for completing the assigned task in all aspects by proactively seeking reviews, and updating the status to supervisors.
15. Ensure the task assigned is understood in all respects and communicate effectively and raise necessary alarms to reporting leads if anything is not understood or no progress is possible.
Capability Building
1. Assist junior developers in coding, testing, and troubleshooting.
2. Train and support a new member joining the team with little or no experience in the development environment, technology domain, and the specific work underway. Focus on scope of work familiarization.
- Proficiency in Java, with a good understanding of its ecosystems
- Sound knowledge of Object-Oriented Programming (OOP) Patterns and Concepts
- Familiarity with different design and architectural patterns
- Skill for writing reusable Java libraries
- Knowhow of Java concurrency patterns
- Basic Understanding of the concepts of MVC (Model-View-Controller) Pattern, JDBC (Java Database Connectivity), and RESTful web services
- Experience in working with popular web application frameworks like Play and Spark
As an Associate Software Engineer, you will have the opportunity to collaborate on the creation and maintenance of scalable, high-quality software as we grow. You'll work closely with the CTO and quickly gain skills and responsibilities as the team and the technical requirements grow.
Primary Responsibilities
- Develop RESTful APIs leveraging Django classes, ORM and Postgres Database
- Develop solutions that meet business objectives while leveraging industry best practices
- Write high-quality source code to program complete applications within deadlines
- Troubleshoot and debug applications
Technical Competencies
- Expertise with Python language
- Experience with Django: maintaining APIs
- Familiarity using Git, code repositories, branching and merging strategies
- Ability to break down complex concepts, tasks, or problems into more simple, understandable language and action plans
- Excellent communication skills, and attention to detail
- Good Documentation skills
Perks
- Work from home
- Flexible work schedule
- Flexible standup meetings
Interview Process
- Two technical rounds with Senior Developer and CTO
- Cultural Fit interview with Project Manager
Please do not apply if you don't have professional Django work experience.
Our goal
We are reinventing the future of MLOps. Censius Observability platform enables businesses to gain greater visibility into how their AI makes decisions to understand it better. We enable explanations of predictions, continuous monitoring of drifts, and assessing fairness in the real world. (TLDR — build the best ML monitoring tool)
The culture
We believe in constantly iterating and improving our team culture, just like our product. We have found a good balance between async and sync work — default is still Notion docs over meetings, but at the same time, we recognize that as an early-stage startup brainstorming together over calls leads to results faster. If you enjoy taking ownership, moving quickly, and writing docs, you will fit right in.
The role:
Our engineering team is growing and we are looking to bring on board a senior software engineer who can help us transition to the next phase of the company. As we roll out our platform to customers, you will be pivotal in refining our system architecture, ensuring the various tech stacks play well with each other, and smoothening the DevOps process.
On the platform, we use Python (ML-related jobs), Golang (core infrastructure), and NodeJS (user-facing). The platform is 100% cloud-native and we use Envoy as a proxy (eventually will lead to service-mesh architecture).
By joining our team, you will get the exposure to working across a swath of modern technologies while building an enterprise-grade ML platform in the most promising area.
Responsibilities
- Be the bridge between engineering and product teams. Understand long-term product roadmap and architect a system design that will scale with our plans.
- Take ownership of converting product insights into detailed engineering requirements. Break these down into smaller tasks and work with the team to plan and execute sprints.
- Author high-quality, highly-performance, and unit-tested code running on a distributed environment using containers.
- Continually evaluate and improve DevOps processes for a cloud-native codebase.
- Review PRs, mentor others and proactively take initiatives to improve our team's shipping velocity.
- Leverage your industry experience to champion engineering best practices within the organization.
Qualifications
Work Experience
- 5+ years of industry experience (3+ years in a senior engineering role) preferably with some exposure in leading remote development teams in the past.
- Proven track record building large-scale, high-throughput, low-latency production systems with at least 3+ years working with customers, architecting solutions, and delivering end-to-end products.
- Fluency in writing production-grade Go or Python in a microservice architecture with containers/VMs for over 5+ years.
- 2+ years of DevOps experience (Kubernetes, Docker, Helm and public cloud APIs)
- Worked with relational (SQL) as well as non-relational databases (Mongo or Couch) in a production environment.
- (Bonus: worked with big data in data lakes/warehouses).
- (Bonus: built an end-to-end ML pipeline)
Skills
- Strong documentation skills. As a remote team, we heavily rely on elaborate documentation for everything we are working on.
- Ability to motivate, mentor, and lead others (we have a flat team structure, but the team would rely upon you to make important decisions)
- Strong independent contributor as well as a team player.
- Working knowledge of ML and familiarity with concepts of MLOps
Benefits
- Competitive Salary 💸
- Work Remotely 🌎
- Health insurance 🏥
- Unlimited Time Off ⏰
- Support for continual learning (free books and online courses) 📚
- Reimbursement for streaming services (think Netflix) 🎥
- Reimbursement for gym or physical activity of your choice 🏋🏽♀️
- Flex hours 💪
- Leveling Up Opportunities 🌱
You will excel in this role if
- You have a product mindset. You understand, care about, and can relate to our customers.
- You take ownership, collaborate, and follow through to the very end.
- You love solving difficult problems, stand your ground, and get what you want from engineers.
- Resonate with our core values of innovation, curiosity, accountability, trust, fun, and social good.
Job Description
Required Skills:
- Demonstrated and strong experience with Java Development (1.8 and above), Spring Boot, ability to design API and RESTful services, and an understanding of transactions
- Strong experience writing Microservices using Java 1.8 and above.
- Good Experience in Behavior Driven Design ( Cucumber , Gherkin ).
- Data design experience in application, noSQL, familiarity with modern technology and architecture (cloud, virtualization, object stores, etc.), and experience with SDLC tools and agile development methodology
- Experience with Angular JS preferred.
- Experience with spring cloud , swagger and devOps tools preferred
- Experience in Domain Driven Design preferred.
- Experience with Mulesoft preferred.
- Experience in SAFe Agile methodology preferred.
- Experience in building presentation layers using Front-end technologies
- Good problem solving skills and strong analytical skills.
- Ability to lead technology initiatives, develop reports, dashboards, and processes to continuously monitor data quality and integrity, an ability to interpret system / business requirements and prepare specification and design document.
Desired Skills:
- Java, J2EE, JDBC , EJB, Servlets,, Messaging Platform, Agile waterfall









