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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. - 5-8 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.
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.
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Java 8 or later |
Primary |
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Spring Framework |
Primary |
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Rest API |
Primary |
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Good knowledge in any Database (MySql, Oracle, or NoSQL) is mandatory. |
Primary |
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Maven/Gradle/sbt |
Primary |
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MQ/Kafka/RabbitMQ |
Primary |
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Junit |
Primary |
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Postman/Swagger/Jmeter |
Primary |
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Enthusiastic to learn, |
Primary |
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Good Programming, Coding, Basic DS/Algo Skill |
Primary |
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Good Analytical Skill |
Primary |
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Spring Boot |
Secondary |
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Microservice |
Secondary |
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No-SQL [Mongo, Cassandra] Preference on Cassandra |
Secondary |
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Knowledge on Caching Framework like: Redis Or Apache Ignite. Preference on Apache Ignite |
Secondary |
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Apache Kafka |
Secondary |
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Azure DevOps/JIRA |
Secondary |
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CICD Basic Knowledge |
Secondary |
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Docker , Kubernates |
Secondary |
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Scrum and Agile Methodology |
Secondary |
Be a part of IOT Product portfolio and execute towards Digital Transformational initiatives.
Prepare design documents in collaboration with product managers and engineering squads
in development of use cases for new features.
Hands on product lead developer expertise in designing solutions running on hybrid cloud
environments.
Work as a Software Lead in application development using Java, JavaScript, Python, SQL and
other latest technologies running on AWS environments.
Drive Engineering activities in Microservices and Cloud based Architecture by leveraging
DevOps efficiencies and adopting new technology stack in AWS.
Drive communication and consistently report accurate product status for stakeholders
Able to lead a team of engineers, help them with technical issues. (80% self-work and 20%
influencing scrum engineers).
Balance time on development projects including Technical Design, Code Reviews, Mentoring,
and training. Able to break down requirements and build traceability in design and
implementation details.
Work with developers to define unit & automated tests and closely monitor development
milestones. Collaborate with scrum team to identify functional, system and end to end
integration of products leading to deployment.
Understand end to end flow in product development and able to prepare design documents
and present to Engineering and Product Leadership team.
Full stack product development experience.
Skills Required :
Bachelor’s/Master’s degree equivalent with strong knowledge methodology and tools.
8+ years working Experience in designing data, keyword driven or hybrid strategies; Ability
to troubleshoot and think out of the box
Experience in CICD pipeline configuration, creation, and maintenance – from build to deploy
to integration.
Experience in writing clear, concise and comprehensive design documents covering
functional and non-functional requirements.
Hands-on experience in large enterprise development in a multi-cloud environment.
Strong expertise over Java, Python language, Databases, experience in web Frameworks like
Django required for backend development.
Experience of working in AWS (S3, Lambda, RDS, Security, ILM and AWS Services).
Experience with Docker and Kubernetes for Container Management and Orchestration by
setting CI/CD Pipelines using Jenkins / Ansible.
Experience with API (REST/SOAP). Experienced in PowerBI, RDBMS, DB Architecture design
and good control over SQL queries.
Experience with any NoSQL Database, Caching and Messaging is a plus. Experience with
Messaging Tool and Caching Frameworks
Strong Understanding of fundamental concepts: Data Structures, Algorithms, OOPs
concepts, Design patterns and Architectures. Experience with Agile programming techniques
such as test-driven development. Design applications to optimize for performance and
usability.
Experience :- 5 + years
Location :- Bangalore,Hyderabad
• 5 + years of experience in Core Java, , Spring Boot, Microservices (Mandatory skills) + AWS added advantage
Experience building scalable backend systems using REST APIs & NoSQL databases
• Computer Science fundamentals in algorithm design, problem solving
• Awareness of Amazon build tools and processes is a big plus
• Work with product team to understand product vision and requirements
• Solve complex technical problems and perform the code reviews for junior team members.
• Produce deliverables at a consistently high rate and with consistently excellent quality
• Work with a team of engineering professionals to ensure the highest quality product delivery
As a member of our team, you will be responsible for insuring the successful launch of many product features.
Key responsibilities
• Work in a product based R&D team and collaborate with other teams to integrate.
• Write code that is of high quality and consistent with our coding standards
• Analyze highly complex business requirements, break the requirements to multiple applications; generate technical
specifications to design or redesign complex software components and applications
• Maintain best practices for development/code changes as needed
• Design and architect software applications
• Conducting code reviews and enforcing the quality standards
• Conducting the daily SCRUM meetings and removing the roadblocks
• Performance testing and tuning for scalability
• Develop quick proof of concepts to set the technical direction for rest of the team.
• Work with Devops and Automation team to develop automation strategy for your application.
Requirements
• Bachelor’s Degree (Masters preferred) in Computer Science or related field
• 3+ years of software development experience on web applications
• Experience in working in an onsite and offshore development model
• Must have hands-on design and development experience in Cloud (GCP/AWS/Azure), Kubernetes, Microservices, Java, J2EE, Spring/Boot, Hibernate, JUnit and Integration with front end via rest interfaces.
• Must have Hands-on experience in Multi-threading, Non-blocking IO, Kafka, JMS
• Strong integration background required. Experience with Microservices, REST, JSON and APIs is required
• Experience with as many of the following is highly desirable: Tomcat, Node.js, XML, XSLT, XPath, Web Services, MongoDB, MYSQL, and query performance tuning
• Experience with code management and continuous integration techniques and tools such as Maven, Gradle, Github, JMeter, Jenkins, NPM etc. is highly desirable
• Experience building complex software systems that have been successfully delivered to customers
• Strong Computer Science fundamentals and working knowledge in data structures, algorithms, problem-solving and complexity analysis
• Knowledge of professional software engineering practices and best practices for the full software development life cycle (SDLC), including coding standards, code reviews, source control management, build processes, testing, and operations
• Proven ability to troubleshoot issues in production including root cause analysis
• Self-directed and capable of working effectively in a highly innovative and fast-paced environment
• Experience with Agile software development in a UNIX/Linux environment
• Experience with system architecture/design
Qualifications
• Passionate about technology and technical challenges of all types excite you
• Eagerness to learn and learn fast, enjoy working in a fast-paced environment
• Ability to develop detailed design and deliver a scalable implementation.
• Mentor developers in analysis, design, coding and unit testing techniques
• Motivated self-starter and team player; you inspire others to achieve great thing
CommerceIQ is a well funded fast growing enterprise SaaS platform that is helping brands grow and sell more on e-commerce channels through its machine learning technology. Are you excited about building distributed crawling engine at global scale that will crawl and parse 1000’s of websites with 10+ million crawls on a daily basis? Would you enjoy building something as ambitious as “Google/Facebook Ad platform” for Amazon (and other e-commerce retailers)? Does building a CI/CD and containerisation framework that will allow our products to be released and deployed every week across dozens of geographies and data centers seamlessly excite you? Do you find building machine learning models that will optimize billions of dollars in ad and promotions spend exhilarating? Do you find it super exciting to build a plug and play product UI platform where leaders of brands will spend hours daily (almost as much as an email inbox) to optimize their business? We can keep writing, but you will get the idea.
In our journey of building and scaling CommerceIQ, Engineers and data scientists in our team tackle these and many more problems daily. If you are as excited as we are after reading this, we would love to talk to you! 30+ global brands including Kellogg, Unilever, Johnson & Johnson, MARS, Nestle, Logitech and many more trust our product to manage their growth on Amazon. If you are excited about building product that will write the script for how brands sell and grow on e-commerce channels please reach out to us.
Are you ready to power intelligent commerce? @CommerceIQ, you will :
• You will be responsible for developing, testing and releasing features within time and with high quality that will drive revenue and margin impact to top brands.
• You will be designing your own features keeping in mind the scale and high availability of the systems. • You will be working with the team and expected to perform code reviews, conduct design discussions and mentor other developers.
•You will be the owner of your feature and work directly with product teams to drive customer impact.
• You will be expected to participate in all phases of the software development cycle as part of a Scrum team.
Experience : 3+ Years in developing in designing and developing complex and scalable software modules..
Skillset : • The ideal candidate will be an experienced Java developer with exceptional software system design, problem solving, and object-oriented coding skills
• Experience with distributed transaction-processing systems or asynchronous messaging technology is required.
• Good understanding of system performance trade-offs, load balancing, and engineering for high availability.
• Obsessed about building quality software and owning end to end responsibility for the developed features.
• Understanding of enterprise information systems, service oriented architectures, and operational data stores is a plus
• BS or MS in Computer Science/Engineering, Mathematics, Statistics or similar degree from a top tier institution









