
JOB DESCRIPTION
Experience: 5-8 years
Location: Mumbai
Wissen Technology is now hiring for a Senior 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 Us:
At Wissen Technology, we deliver niche, custom-built products that solve complex business challenges across industries worldwide.
Founded in 2015, our core philosophy is built around a strong product engineering mindset—ensuring every solution is architected and delivered right the first time. Our commitment to excellence translates into delivering 2X impact compared to traditional service providers. How do we achieve this? Through a combination of deep domain knowledge, cutting-edge technology expertise, and a relentless focus on quality.
We don’t just meet expectations—we exceed them by ensuring faster time-to-market, reduced rework, and greater alignment with client objectives. We have a proven track record of building mission-critical systems across industries, including financial services, healthcare, retail, manufacturing, and more.
Wissen stands apart through its unique delivery models. Our outcome-based projects ensure predictable costs and timelines, while our agile pods provide clients the flexibility to adapt to their evolving business needs. Whether it’s AI/ML for unstructured data processing, cloud enablement, or data engineering, Wissen leverages its thought leadership and technology prowess to drive superior business outcomes. Our success is powered by top-tier talent. Our proprietary Interview Ninja platform ensures we hire the best, building high-performing teams that deliver unmatched results.
Today, Wissen Technology has a global footprint with 2200+ employees across offices in the US, UK, UAE, India, and Australia. Our mission is clear: to be the partner of choice for building world-class custom products that deliver exceptional impact—the first time, every time.
Website : www.wissen.com

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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Key Responsibilities:
- Minimum of 3 years of experience in Microservices architecture and Java, with a good understanding of design patterns and the Spring Boot framework, with the ability to collaborate effectively with team members and build positive working relationships.
- Design and build and deploy APIs to meet business requirements.
- High level of commitment to business satisfaction and agility.
- Strong work ethic and a passion for the role, with a positive attitude and a willingness to learn.
- Communicate effectively with the tech lead to thoroughly understand the requirements and highlight any blockers immediately.
- Handle programming and software development, including requirement gathering, bug fixing, testing, documenting, and implementation.
- Work in an agile environment to deliver high-quality solutions.
- Understand and implement Security, Logging, Auditing, Policy Management, and Performance Monitoring.
- Familiarity with relational databases (E.g.: Oracle), non-relational databases (E.g.: MongoDB), MSK Kafka, Docker, Kubernetes, and CICD Technologies (Jenkins, GitHub, Maven)
Qualification- Graduation: Bachelor of Science (B.Sc) / Bachelor of Technology (B.Tech) / Bachelor of Computer Applications (BCA)
Post-Graduation: Master of Science (M.Sc) /Master of Technology (M.Tech) / Master of Computer Applications (MCA)
Are you passionate about backend development and building scalable applications? Join our growing team!
Technical Skills:
- Extensive experience in programming/scripting languages and frameworks in at least two Node.js, Java Springboot, and Python.
- Understanding of architectural patterns like Flux and MVC is a desirable
- Work experience in REST API service, Socket connections, and mechanisms to handle real-time async data is important.
- Strong knowledge in OOPS, GIT, SQL/nonSQL DB (such as Elastic DB, Mongo DB, MySQL), Design Patterns
- Preferred to have experience with microservices, API gateway, AAA service
- Good knowledge of coding standards, design patterns, unit testing frameworks, TDD, CI/CD practices.
Must have previous experience in leading a team-
- Experience with RESTful web services, CSS, and HTML5 is desirable-
- Experience with designing and building APIs with REST/Microservices
- Good to know about AWS Lambda & supporting configuration knowledge. Knowledge of any of the serverless frameworks like Serverless, AWS SAM would be an advantage.-
- Good to know of API Gateway and CloudFront.-
👉 Required Skills:
- Strong experience with Node.js
- Hands-on expertise in Payment Gateway Integration
- Proficient in MySQL Database Management
- Knowledge of Socket Programming is a big plus!
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.
- Role: IoT Application Development (Java) Skill Set:
- Proficiency in Java 11.
- Strong knowledge of Spring Boot framework.
- Experience with Kubernetes.
- Familiarity with Kafka.
- Understanding of Azure Cloud services.
1 Experience: 3 to 5 years Location: Bangalore ; Notice period : Immediate Joiners
- Job Description: We are seeking an experienced IoT Application Developer with expertise in Java to join our team in Bangalore. As a Java Developer, you will be responsible for designing, developing, and deploying IoT applications. You should have a solid understanding of Java 11 and the Spring Boot framework. Experience with Kubernetes and Kafka is also required. Familiarity with Azure Cloud services is essential. Your role will involve collaborating with the development team to build scalable and efficient IoT solutions using Java and related technologies.
Job Requirements :
- Should have experience in supporting the application and infrastructure 24x7.
- Should have good working knowledge on troubleshooting skills of Operating Systems (Linux/Windows)
- Good experience on Java/j2EE application supporting and AWS infra supporting.
- Ability to work with 3rd parties/FOPS and provide required instruction to troubleshoot and restore faults.
- Respond quickly and effectively to production issues, troubleshooting solutions, and
taking responsibility for seeing those solutions through resolution.
- Identify root cause and corrective actions for highly complex availability, capacity, security, performance, and quality issues affecting the database.
- Strong knowledge of Linux/Unix operating system.
- Good knowledge of scripting languages like Shell, Python.
- Good Knowledge of Databases like Mongo, Mysql, SQL Server.
- Respond to alerts and take corrective action to ensure the high availability of our
production environments and participate in an after-hours on-call rotation.
- Experience/Knowledge of other cloud platforms (Azure, Google Cloud) is a plus
- Strong verbal and written communications skills are a must
- Must have production support experience as the requirement is 24X7X365 production support.
non-metro and rural markets. DealShare has raised series C funding of USD 21 million with key investors like WestBridge Capital, Falcon Edge Capital, Matrix Partners India, Omidyar Network, Z3 Partners and Partners of DST Global and has a total funding of USD 34 million.They have 2 million customers across Rajasthan, Gujarat, Maharashtra, Karnataka and Delhi NCR with monthly transactions of 1.2 million and annual GMV of $100 million. Our aim is to expand operations to 100 cities across India and reach annual GMV of USD 500 Million by end of 2021.
They started in Sept 2018 and had 5000 active customers in the first three months. Today
we have 25K transactions per day, 1 Lakh DAU and 10 Lakh MAU with a monthly GMV of INR 100 Crores and 50% growth MoM. We aim to hit 2 Lakh transactions per day with an annual GMV of 500 Million USD by 2021.
We are hiring for various teams in discovery (search, recommendation, merchandising,
intelligent notifications) , pricing (automated pricing, competition price awareness, balancing revenue with profits, etc), user growth and retention (bargains, gamification), monetisation (ads), order fulfillment (cart/checkout, warehousing, last mile, delivery promise, demand forecasting), customer support, data infrastructure (warehousing, analytics), ML infrastructure (data versioning, model repository, model training, model hosting, feature store, etc). We are looking for passionate problem solvers to join us and solve really challenging problems and scale DealShare systems
You will:
● Implement the solve with minimal guidance after solutioning closure with senior engineers.
● Write code that has good low level design and is easy to understand, maintain, extend
and test.
● End to end ownership of product/feature from development to production and fixing
issues
● Ensure high unit, functional and integration automated test coverage. Ensure releases
are stable.
● Communicate with various stakeholders (product, QA, senior engineers) as necessary to
ensure quality deliverables, smooth execution and launch.
● Participate in code reviews, improve development and testing processes.
● Participate in hiring great engineers
Required:
● Bachelor’s degree (4 years) or higher in Computer Science or equivalent and 1-3 years
of experience in software development
● Excellent at problem solving, is a self thinker.
● Good understanding of computer science fundamentals, data structures and algorithms
and object oriented design.
● Good coding skills in any object oriented language (C++, Java, Scala, etc), preferably in
Java.
● Prior experience in building one or more modules of large-scale, highly available, low
latency, high quality distributed system is preferred.
● Extremely good at problem solving, is a self thinker.
● Ability to multitask and thrive in a fast paced timeline-driven environment.
● Good team player and ability to collaborate with others
● Self driven and motivated, very high on ownership
Is a plus
● Prior experience of working in Java
● Prior experience of using AWS offerings - EC2, S3, DynamoDB, Lambda, API Gateway,
Cloudfront, etc
● Prior experience of working on big data technologies - Spark, Hadoop, etc
● Prior experience on asynchronous processing (queuing systems), workflow systems.
Role- Software Development Engineer-2
As a Software Development Engineer at Amazon, you have industry-leading technical abilities and demonstrate breadth and depth of knowledge. You build software to deliver business impact, making smart technology choices. You work in a team and drive things forward.
Top Skills
You write high quality, maintainable, and robust code, often in Java or C++ or C#
You recognize and adopt best practices in software engineering: design, testing, version control, documentation, build, deployment, and operations.
You have experience building scalable software systems that are high-performance, highly-available, highly transactional, low latency and massively distributed.
Roles & Responsibilities
You solve problems at their root, stepping back to understand the broader context.
You develop pragmatic solutions and build flexible systems that balance engineering complexity and timely delivery, creating business impact.
You understand a broad range of data structures and algorithms and apply them to deliver high-performing applications.
You recognize and use design patterns to solve business problems.
You understand how operating systems work, perform and scale.
You continually align your work with Amazon’s business objectives and seek to deliver business value.
You collaborate to ensure that decisions are based on the merit of the proposal, not the proposer.
You proactively support knowledge-sharing and build good working relationships within the team and with others in Amazon.
You communicate clearly with your team and with other groups and listen effectively.
Skills & Experience
Bachelors or Masters in Computer Science or relevant technical field.
Experience in software development and full product life-cycle.
Excellent programming skills in any object-oriented programming languages - preferably Java, C/C++/C#, Perl, Python, or Ruby.
Strong knowledge of data structures, algorithms, and designing for performance, scalability, and availability.
Proficiency in SQL and data modeling.








