
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.

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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We are seeking an experienced Lead Backend Web App Developer to design and maintain scalable, cloud-based backend systems. This role demands expertise in microservices, AWS, and backend technologies to deliver efficient and high-performing applications.
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- Build and maintain scalable backend systems for cloud-based web applications.
- Develop microservices using AWS (Lambda, SQS, SNS) and databases (MySQL, NoSQL).
- Design and implement REST APIs for seamless communication between systems.
- Create containerized solutions with Docker for efficient deployment.
- Solve real-world problems with enterprise-class product designs.
- Contribute to key decisions on product and technology direction.
- Promote frameworks, standards, and new technologies within the team.
Required Skills:
- Experience: 10+ Years in Backend Development; 3+ Years in large-scale, microservices-based projects.
- Backend Technologies: Proficiency in Python, Node.js, and Java.
- Cloud Expertise: Strong experience with AWS services (Lambda, SQS, SNS).
- Database Skills: Expertise in MySQL and NoSQL databases.
- Microservices Architecture: Deep understanding of distributed systems and scalability.
- DevOps Tools: Hands-on experience with Docker.
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- Soft Skills: Excellent problem-solving and communication abilities.
Why Join Us?
- Work on impactful projects with real-world applications.
- Solve complex problems in a dynamic, fast-paced environment.
- Collaborate with a team of skilled professionals.
Job Description:
We are looking for a highly experienced Java Developer with expertise in Spring Boot and Microservices architecture. The ideal candidate will have 4+ years of experience in building scalable, high-performance applications.
Key Responsibilities:
- Develop and maintain Java-based applications using Spring Boot and Microservices.
- Create and implement RESTful APIs and integrate with third-party services.
- Design and build scalable, resilient microservices.
- Perform code reviews and optimize applications for performance and security.
- Deploy and manage applications on cloud platforms (AWS, Azure, or GCP).
- Implement CI/CD pipelines for continuous integration and deployment.
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Required Skills:
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- RESTful APIs and API gateways
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- Containerization (Docker, Kubernetes)
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Looking for Immediate joiners Bangalore location(3-9years)
Key responsibilities:
- Understand all requirements, Design, Develop and implement features, complying with engineering and regulatory standards and procedures for charging stations.
- Create multiple concepts, evaluate, and implement the optimal one.
- Develop and maintain product’s design integrity with good knowledge of software system architecture and design.
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- Work with cross functional team from Concept prototyping to Launch & thereafter.
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Key requirements
- A Bachelor/ master’s degree in E&E/ECE engineering from premier institute
- 5 years+ product development experience on Linux based systems, with full lifecycle experience for atleast 2 industry deployed products.
- Software Design and Architecture experience on Linux platforms
- Interfacing with SaaS via network or REST APIs
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- C++ with STL, Linux system programming, scripting, network/sockets programming, strong in UDP/TCP networking, libcurl + HTTP(s)
- Knowledge of Bluetooth/BLE, Elastic Search + Logstash, Java performance tuning
- Knowledge of security-based Threat Modelling Design & Mitigation, TLS/SSL, Docker + Docker networking, Python + node.js + WebSocket’s, HTML5, JavaScript.
- Excellent communication, leadership, and problem-solving skills
- Ability to work in a fast-paced and dynamic environment.
Your Impact:
• Implements Digital Consumer experiences based on a foundation of SFCC (Salesforce commerce cloud) to meet expected quality standards
• Ensures functional requirements and high-level solution designs are understood and are translated into detailed technical design
• Implement proofs of concept to prove any new technologies, application flows or integration scenarios and identify customizations needed to SFCC platform for meeting client requirements
• Guides the performance tuning and scalability of the ecommerce solution
• Diagnose and solve technical problems during implementation and support phases
Your Skills & Experience:
• 1-3 Years with 2+ years of implementing commerce application on any eCommerce platform in last 3 years
• If you have not worked in eCommerce platform, we can still discuss with you if you are expert in Java/.Net and understand REST/SOAP webservices.
• Demonstrate proficiency in build and release management using CI/CD strategies (leveraging tools like Jenkins and DevOps practices), implement Mocha/Chai unit and functional test cases in order to reduce costs while ensuring quality
• Contributes to designing, implementing and documenting the build release process as well as system configuration and deployment characteristics of the applications
• Participates in technical walkthroughs/ code reviews of other team members’ components, test plans and results and help them with gaps
• Collaborate with architect to define implementation processes and quality gates and standards
• Identifies risks and issues, and help monitor them
• Guides the development of reference and resource materials
• Mentors developers in improving their platform knowledge and development skills
• Communicate technical design to the developers and help/guide them in the implementation
• Participates in Agile sprints
Set Yourself Apart With:
• eCommerce platform certification
Excellent knowledge in Core Java (J2SE) and J2EE technologies.
Hands-on experience with RESTful services, API design are must.
Knowledge of microservices architecture is must.
Knowledge of design patterns is must.
Strong knowledge in Exception handling and logging mechanism is must.
Agile scrum participation experience. Work experience with several agile teams on an application built
with microservices and event-based architectures to be deployed on hybrid (on-prem/cloud)
environments.
Good knowledge of Spring framework (MVC, Cloud, Data and Security. Etc) and ORM framework like
JPA/Hibernate.
Experience in managing the Source Code Base through Version Control tool like SVN, GitHub,
Bitbucket, etc.
Experience in using and configuration of Continuous Integration tools Jenkins, Travis, GitLab, etc.
Experience in design and development of SaaS/PaaS based architecture and tenancy models.
Experience in SaaS/PaaS based application development used by a high volume of
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Experience in performing Java Code Review using review tools like SonarQube, etc.
Good understanding of end-to-end software development lifecycle. Ability to read and understand
requirements and design documents.
Good Analytical skills and should be self-driven.
Good communication with inter-personal skills.
Open for learning new technologies and domain.
A good team player and ready to take up new challenges. Active communication and coordination with
Clients and Internal stake holder
Requirements: Skills and Qualifications
6-8 years of experience in developing Java/J2EE based Enterprise Web Applications
Languages: Java, J2EE, and Python
Databases: MySQL, Oracle, SQL Server, PostgreSQL, Redshift, MongoDB
DB Script: SQL and PL/SQL
Frameworks: Spring, Spring Boot, Jersey, Hibernate and JPA
OS: Windows, Linux/Unix.
Cloud Services: AWS and Azure
Version Controls/ Devops tools: Git, Bitbucket and Jenkins.
Message brokers: RabbitMQ, and Kafka
Deployment Servers: Tomcat, Docker, and Kubernetes
Build Tools: Gradle/Maven
Requirements
• Extensive and expert programming experience in at least one general programming language (e. g.
Java, C, C++) & tech stack to write maintainable, scalable, unit-tested code.
• Experience with multi-threading and concurrency programming.
• Extensive experience in object oriented design skills, knowledge of design patterns, and a huge passion
and ability to design intuitive modules and class-level interfaces.
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• Knowledge of Test Driven Development.
• Good understanding of databases (e. g. MySQL) and NoSQL (e. g. HBase, Elasticsearch, Aerospike etc).
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The business is creating a family of purposeful brands with products that solve a particular problem for a small segment of people. Each brand provides the essentials to make an individual segment of people lead a graceful life full of purpose and wellbeing. Each brand offers high quality, responsibly-made products that are inviting and easy to use, paired with access to ongoing guidance and support.
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● Focus on code maintainability and performance of application.
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● At least 1 years of experience on NodeJS
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● Experience with RabbitMQ or similar queuing system
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● Familiarity with CI/CD pipeline tools like Jenkins
● Practical experience with Git
● A knack for benchmarking and optimization
● Experience with AWS services is a plus
***Client works for 6 days a week***
We are looking for Tech geeks having hands-on experience and in love with building scalable, distributed and large web/mobile products and tech solutions. He/She must be an excellent problem solver with passion to self-learn and implement web technologies (frontend + backend). He/She would be responsible for the architecture design, code review, and technology build and deployment activities of the product.
Required Skills :
1. Experience in Core Java, Hibernate, Spring, SQL.
2. Hands-on experience with, Collections, Algorithms, Problem Solving.
3. Knowledge of repository tools such as GitHub.
4. Willing to work on additional tasks and responsibilities that will contribute towards team, department, and company goals.4. Work collaboratively within a team of other engineers.
5. Good programming and debugging skills.
Benefits :
> Health Insurance
> Work from Home
> Fast growth and more visibility into the company
> Experience to work on the latest technology
> Competitive Learning Environment with supportive co-workers
> Employee friendly HR Policies
> Paid leaves up to certain limits
> Competitive salaries & Bonuses
> Liberal working atmosphere
> Get mentored by the best in the industry
Work Schedule:
Day Shift/Flexible working hours
Monday to Friday
Position: Senior Java Developer / Tech Lead
Work Location: Bangalore; India
Type of Employment: Full-time, Permanent
Experience: 6 to 10 years of Experience
- Proficient in Java/J2EE , core java, full stack development experience ( Database to UX)
- Must be proficient with integration with third-party applications within the enterprise and outside the organizations (API)
- Must be good in writing highly optimized code.
- Must be good at abstracting solutions - reduce time and cost to build
- Experience with Workflow Engines like Activiti will be an advantage
- Good understanding of native Android code/interface with Android apps, if preferable
- Must be an expert in managing data at the application database level - Transaction and Reporting database design
- Must be good in coding & product development
- Experienced with monitoring and observability
- Experienced with production support and debugging (heap dumps, thread dumps etc)
- Experience in Logistics domain is desirable
- Prior startup experience is preferred
Requirements:
- Bachelor’s or equivalent degree in Computer Science / BE
- Ability to handle the team of 7 to 8 members and giving guidance to the team
- Strong problem-solving skills
- Ability to respect deadlines and will to perform in an accelerated learning environment.
Key Skills: Java, J2EE, JSP, Spring, Angular, Apache, MySQL, SQL Queries,LinuxEnviroment, HTML, JQuery, Java Script, Version Control, .Net, Activiti, IBatis, Maven – Build, Git Hub, J Bos, CSS, HTML 5, JIRA, Selenium,AWS – Server Handling, Android, React JS
Note: Hiring from logistics and Ecommerce company only and 30-45 days’ notice is ok and can also buy back notice if required.












