
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. - 6 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 clientfacing 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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Location - Noida
Duration - 6 Months
Experience – 7-10 Years
In this role, one shall be responsible for developing and supporting applications using Java technology framework.
• Provide support throughout the application lifecycle using the standard DT (Digital Technology) defined support environment comprised of process and middleware support.
• Ensure application incident management, ticket routing, and resolution of issues.
• Provide resolution of application issues as per DT support process within the given SLA.
• Update application code & database objects/data, as applicable, to production server only after UAT and approval from DT. Follow change process for Production deployment.
• Perform comprehensive testing – functionality testing, peer to peer testing based on defined DT.
• Testing deliverable and templates on the applications to ensure and verify that the issues are completely fixed.
• Raise tickets if any issues are reported by mail / phone / in person.
• All incidents to be tracked through Issue Tracker/Problem Management Ticket till Root Cause Corrective Action (RCCA) is identified/issue is fixed.
• All fixes to be followed by testing; DT Owner needs to sign off for the production deployment.
• Deliver improvements and changes with quality on time ( per defined SLAs). Requirement priority to be defined by DT.
• Carry out security testing of all the applications which are requested by DT for SAST/DAST to identify any vulnerability in code. The report for the same needs to be submitted to the DT SPOC.
• Review performance metrics reports and trends with DT Leaders on a Quarterly basis and as requested.
• Document and update the issue resolution knowledge-base on timely basis.
• Enthusiastically identify and eliminate problems and bugs in existing applications, with adequate approvals from DT.
• Provide support for the planned outages during on/off work hours
• Analysis of break-fix tickets, by application, on monthly basis, for root causes along with the recommended preventive actions and a plan to implement preventive actions.
• Upon receiving approval analyse and plan accordingly and perform preventive actions, implement the preventive actions on time.
• Development in the existing applications in accordance to DT SDLC process with all corresponding documentation.
• Applications categorized as Export Control (EC), must be supported by EC eligible person.
• Development and support of the interfaces between the applications.
• RCCA documentation for each unplanned outage
• Incident and request ticket completions with corresponding Service Now updates
• SDLC documentation updates after application changes are implemented
• Professional, timely and accurate user communications
• User documentation
• Quality assurance and testing for all changes.
Qualifications we seek in you!
Minimum qualifications
• BE/B Tech/ MCA/BCA
• Excellent written and verbal communication skills
• Java/J2EE, Spring Boot, Web Services (SOAP/REST), Oracle PL/SQL
• Technical Professional, with expertize abilities in the areas of Java development and implementation.
• Excellent customer facing skills that include conducting compelling technical briefing & demonstrations. The person should have a technical curiosity to implement new technologies and articulate the solutions to the customer.
Preferred Qualifications
• Resource must be eligible to work with Export Controlled (EC) data hence resource should be Green Card (GC)/US citizen.
• Knowledge on Design concepts.
• Ability to lead and balance team independently.
• Good communication and coordination skills.
• Collectively work as a team and handling team experience.
• Language: Java/J2EE, Servlets, Java Beans, GE Support Central
• Web Scripting Language: JSP, JavaScript, HTML, DHTML, XML, AJAX, HTML 5, AngularJS, jQuery
• Framework: Struts (Spring, Hibernate or other framework upon mutual agreement with DT, Casper
• IDE: Net Beans 7.x or above, Eclipse
• Database and Language: Oracle 12c and above, SQL, PL/SQL (including Packages, Stored Procedures, Functions, Triggers), PostgreSQL, MySQL, MS SQL
• Operating System: Windows, Unix, and Linux
• Internet Browser: Microsoft Internet Explorer 11.0 and above
• Code Repository: CVS (Open GE) or GIT
• Experience in ITIL processes
• Excellent planning, coordination, interaction skills, and ability to work as team.
• Good analytical, problem-solving and critical thinking skills.
• Detail oriented and organized, able to track multiple tasks simultaneously
• Proficient in Agile and DevOps environments
• Knowledge of software and application design and architecture
• Experience in software development and coding in various languages (C#, .NET, Java etc.)
• Hands on experience in Agile & CI/CD toolsets such as Rally, Git, Jenkins, Robot Framework, etc
• Understanding of software development lifecycle (SDLC)

Core Focus:
- Operate with a full DevOps mindset, owning the software lifecycle from development through production support.
- Participate in Agile ceremonies and global team collaboration, including on-call support.
Mandatory/Strong Technical Skills (6–8+ years of relevant experience required):
- Java: 4.5 to 6.5 years experience
- AWS: Strong knowledge and working experience with Cloud technologies minimum 2 years.
- Kafka: 2 years of Strong knowledge and working experience with data integration technologies
- Databases: Experience with SQL/NoSQL databases (e.g., Postgres, MongoDB).
Other Key Technologies & Practices:
- Python, Spring Boot, and API-based system design.
- Containers/Orchestration (Kubernetes).
- CI/CD tools (Gitlab, Splunk, Datadog).
- Familiarity with Terraform and Airflow.
- Experience in Agile methodology (Jira, Confluence).
🚨 Hiring Alert 🚨
We are Hiring Java Backend Intern for 2 months !
Skills Required:
1. Good understanding of Java 17, Spring and any Sql database
2. Good Understanding on designing low level code from scratch
3. Experience in building database schema and code architecture
4. Familiar with design patterns and willingness to write clean, readable, and well-documented code.
5. Familiarity with tools like postman, STS or intelij
6. Understanding of REST APIs and their role in application development.
7. Good DSA and problem solving skills
Roles & Responsibilities:
1. Assist in developing and maintaining web applications.
2. Learn to utilize open source tools for integration
3. Collaborate with team members to design and implement new features.
4. Contribute to optimizing application performance and resolving bugs.
5. Stay curious and keep learning new technologies relevant to spring boot and spring reactive
6. Exposure to version control systems like Git.
7. Passion for learning and contributing to real-world projects.
Preferred Qualifications:
1. Min exp of 0-2 years.
2. Skills in computer science/IT and relevant.
What You’ll Gain:
1. Stipend - 8k -10k/ month, subjective to your performance
2. Hands-on experience in building production-grade applications.
Responsibilities:
• Take on complex problems that span multiple components and teams.
• Independently own one or more multiple modules, which include: requirement analysis, design, development, maintenance & support
• Write extensive, efficient code to address complex modules that handle the interaction between multiple components.
• Rapidly iterate to add new functionalities and solves complex problems with simple and intuitive solutions
• Produce architecture with clean interfaces, that are efficient and scalable
• Participate and contribute to architectural discussions
• Solve production issues. Investigate and provide solutions to minimize the business impact due to the outage
• Continuously improve performance metrics of modules you own.
• Collaborate effectively across teams to solve problems, execute and deliver results
Requirements:
• Experience: 3+ years
• A Bachelor's or Master's Degree in Computer Science
• Software engineering and product delivery experience, with a strong background in algorithms
• Experience in architecting & building real-time, large-scale e-commerce applications
• Experience with high-performance websites catering to millions of daily traffic is a plus
• Excellent command over Data Structures and Algorithms
• Experience with web technologies, Go/Java/Python
• Language: GO or Python
• Strong expertise in DS and Algo
• Strong leadership skills - have experience mentoring, building products from scratch or incumbent in design and architecture.
• Have worked in the scaling of the system right from scratch.
• Someone worked in small user base to a large user base and wrote optimized code
• Both HLD and LLD
Company Description
Mobile Programming LLC was started with the mission to provide “Economic as well as Efficient” software solutions. We firmly believe in the credibility and scalability of Digital Transformation. Our services are focused on Mobility Solutions, Custom App Development, Cloud Solutions, IoT, AR/VR, Metaverse, Blockchain, Artificial Intelligence & Machine Learning, Chatbot, Predictive Analytics & Big Data Solutions, and several other trending as well as emerging technologies. At its core, Mobile Programming LLC is all about developing solutions that help clients accelerate their business processes, achieve optimum productivity, and mitigate risks.
Role Description
This is a full-time on-site role for a Full Stack Developer located in Bengaluru. As a Java Developer, you will be responsible for building and maintaining web applications, ensuring the responsiveness of applications, and working alongside cross-functional teams to develop and implement user-friendly features. You will collaborate with the development team, contribute to the overall architecture of the application, and ensure high-quality code and documentation.
Qualifications
- Proven work experience as Java Developer
- Experience in 4 yrs expin back-end development
Role and Responsibilities:
As a Software Developer, you will be primarily involved in developing new features & fixing the bugs for our apps built to work with the Atlassian products. You will work closely with the product team to understand customer needs & co-ordinate with QA/Release management teams for maintaining quality of delivery.
Must have KSA (Knowledge Skills Abilities):
Hands on experience in JAVA
Spring MVC framework
CSS / HTML / Java Script
Should have knowledge of databases and must have used any of Postgres / SQL server/ My SQL/ Oracle
Additional KSA for advantage:
Knowledge or hands on experience of ReactJS
Knowledge of bug tracking tool Jira
Experience in web services development
Responsibilities:
Writing and implementing efficient code
Unit test driven development
Should be able to interpret requirements and suggest solutions to implement them
Must be able to break big stories in to smaller tasks and estimate
About us :
BharatPe was co-founded by Ashneer Grover and Shashvat Nakrani in 2018 with the vision to make financial inclusion a reality for Indian merchants.
BharatPe launched India's first UPI interoperable QR code, first ZERO MDR payment acceptance service, and first UPI payment backed merchant cash advance service.
In 2020, post-Covid, BharatPe also launched India's only ZERO MDR card acceptance terminals - BharatSwipe. Currently serving over 50 lakh merchants across 35 cities, the company has grown business 30x in 2019 and is a leader in UPI offline transactions, having processed 5 crore+ UPI transactions a month (annualized TPV of US$ 5+ Bn).
INVESTORS :
- The company's list of marquee investors includes Beenext, Sequoia, SteadView Capital, Ribbit Capital, Coatue Management LLC, Insight Partners, and Amplo.The company has already facilitated disbursement of over Rs. 500 crores to its merchants since launch.
- Total Funding : $283.5M
- Latest Funding : Series D
- Why Join BharatPe ?
- Quality of work : Our current tech setup is serving us well for now. But, at our pace of growth, we know we will outgrow it soon. So, we are rebuilding our tech stack from scratch. Be it infrastructure as code, containerization and orchestration, event driven microservices, stream processing, or intrusion kill chain, we have a clear roadmap as well as prior experience of building modern state-of-the-art technology architecture. This is an excellent opportunity to build a world class tech setup from scratch and take it to scale.
- High operating freedom : We believe in ownership and accountability rather than command and control. Our teams are structurally empowered to operate with a lot of freedom, with effective mechanisms built within the teams to help with sound yet quick decision making.
- Experimentation and risk taking is encouraged to achieve ambitious goals.
- Competitive compensation.
- Cash and high growth equity.
- We pay good cash and our equity is growing at a very fast pace.
- We have a good team, proven business, and ample capital. Thus, the downside risk is low and upside potential is high.
- We are accelerating full throttle.
- This is the best stage to join a startup.
- Positive culture.
- We believe new ideas can come from everywhere, so we are always on the lookout. Instead of carrot and stick approach, we appeal to internal motivation to excel.
- We are strong team players - we build on each other's strengths and have each other's back in failures.
Requirements :
- Innovative and self-motivated with passion to develop complex and scalable applications.
- 2-5 years of experience in software development with strong focus on algorithms and data structures.
- Strong coding and design skills with prior experience in developing scalable & high availability applications using Core Java/J2EE, Spring, Hibernate.
- Work experience with Relational databases is required (Primarily MySQL).
- Prior work experience with Non-Relational databases (primarily Redis, MongoDb) is an added plus.
- Strong Analytical and Problem Solving Skills.
- B Tech/BCA from IIT or BE in computer science from a top REC/NIT.
- Provide objective guidance without personal or political considerations.
- Pitching ideas for projects based on gaps in the market and technological advancements.
- Rolling out fixes and upgrades to software, as needed.
- Securing software to prevent security breaches and other vulnerabilities.
- Setting up a continuous build environment to speed up software development and deployment process.
- Architecting overall, comprehensive, and efficient practices.
- Guiding developers and operation teams in case of an issue.
- Monitoring, reviewing, and managing technical operations.
Requirements:
- Degree in Computer Science, Information Systems, or related field.
- Previous experience working on a 24x7 cloud or SaaS operation team.
- Spring Boot Java 8, Spring Core, Spring Boot, Spring MVC, Swagger, Tomcat 8, Maven, Jenkins, SVN, GIT, Postman/Newman, RESTful Services, Containers.
- Experience with infrastructure management and monitoring.
- Proven in developing, implementing, and providing solutions to the given problem in all Java technologies.
- Proficient in stitch-together end-to-end application starting from front-end web development, back-end development, middleware integration, and persisting data in no SQL or DBMS databases.
- Ability to work independently and as part of a team.









