
- 5+ years of software development experience in Java 8+ and Microservices.
- Experience in developing micro services. Experience in developing High Cohesion & Loosely Coupled Micro Services.
- Experienced in skills of requirement, analysis, design, develop, Java, springboot, microservices, rest api, AWS, lambda, EC2, Jenkins, design pattern, spring security, splunk, auth, docker, SOLID
- Hands on experience on Microservices Architecture.
- Should have excellent acumen in Data Structures, algorithms, problem-solving and Logical/Analytical skills. Thorough understanding of OOPS concepts, Design principles and implementation of different type of Design patterns.
- Experience with Multithreading, Concurrent Package and Concurrent APIs
- Basic understanding of Java Memory Management (JMM) including garbage collections concepts.
- Experience in RDBMS or NO SQL databases and writing SQL queries (Joins, group by, aggregate functions, etc.)
- Hands-on experience with Message Broker like Kafka/Rabbitmq or other. Hands-on experience in creating RESTful webservices and consuming web services. Hands-on experience with spring Cloud/Spring Boot.
- Hands-on experience with any of the logging frameworks (SLF4J/LogBack/Log4j)
- Experience of writing Junit test cases using Mockito / Powermock frameworks. Should have practical experience with Maven/Gradle and knowledge of version control systems like Git/SVN etc.
- Hands on experience on Cloud deployment/development like AWS/Azure/GCP.
- Good communication skills and ability to work with global teams to define and deliver on projects. Sound understanding/experience in software development process, test-driven development.
Benefits of Working Here:
- Gender Neutral /Diversified Culture
- 51 Leaves annually
- Insurance covered for family
- Incentives, Bonus
- Permanent WFH Option
- Generous parental leave and new parent transition program
- Flexible work arrangements

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Job Title : Senior .NET Developer
Experience : 8+ Years
Location : Trivandrum / Kochi
Notice Period : Immediate
Working Hours : 12 PM – 9 PM IST (4-hour mandatory overlap with EST)
Job Summary :
We are hiring a Senior .NET Developer with strong hands-on experience in .NET Core (6/8+), C#, Azure Cloud Services, Azure DevOps, and SQL Server. This is a client-facing role for a US-based client, requiring excellent communication and coding skills, along with experience in cloud-based enterprise application development.
Mandatory Skills :
.NET Core 6/8+, C#, Entity Framework/Core, REST APIs, JavaScript, jQuery, MS SQL Server, Azure Cloud Services (Functions, Service Bus, Event Grid, Key Vault, SQL Azure), Azure DevOps (CI/CD), Unit Testing (XUnit/MSTest), Strong Communication Skills.
Key Responsibilities :
- Design, develop, and maintain scalable applications using .NET Core, C#, REST APIs, SQL Server
- Work with Azure Services: Functions, Durable Functions, Service Bus, Event Grid, Key Vault, Storage Queues, SQL Azure
- Implement and manage CI/CD pipelines using Azure DevOps
- Participate in Agile/Scrum ceremonies, collaborate with cross-functional teams
- Perform troubleshooting, debugging, and performance tuning
- Ensure high-quality code through unit testing and technical documentation
Primary Skills (Must-Have) :
- .NET Core 6/8+, C#, Entity Framework / EF Core
- REST APIs, JavaScript, jQuery
- SQL Server: Stored Procedures, Views, Functions
- Azure Cloud (2+ years): Functions, Service Bus, Event Grid, Blob Storage, SQL Azure, Monitoring
- Unit Testing (XUnit, MSTest), CI/CD (Classic/YAML pipelines)
- Strong knowledge of design patterns, architecture, and microservices
- Excellent communication and leadership skills
Secondary Skills (Nice to Have) :
- AngularJS/ReactJS
- Azure APIM, ADF, Logic Apps
- Azure Kubernetes Service (AKS)
- Application support & operational monitoring
Certifications (Preferred) :
- Microsoft Certified: Azure Fundamentals
- Microsoft Certified: Azure Developer Associate
- Relevant Azure/.NET/Cloud certifications
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. - 4 to 7 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.
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Experience in Spring Boot, Jenkins, Git, Hibernate, Kubernetes, and Docker
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Experience in the development of scalable and extensible systems using Java
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Proficiency in Database technology such as MySQL, Oracle and MongoDB
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Routines Sync & Async
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Solid and fluent understanding of algorithm and data structures
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Excellent software design, problem-solving and debugging skills
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Demonstrated high ownership in previous projects
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Excellent Communication Skills
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Good understanding of Elastic Search, Redis
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Experience working in the cloud environment, preferably AWS*.
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Write unit tests and run automated tests through CI/CD
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Ability to learn new and existing technologies
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Experience in building cloud SaaS or PaaS solutions/products
Job description
Key Responsibilities
- Design, develop, and maintain serverless applications using AWS services such as Lambda, API Gateway, DynamoDB, and S3.
- Collaborate with front-end developers to integrate user-facing elements with server-side logic.
- Build and maintain RESTful APIs to support web and mobile applications.
- Implement security best practices for AWS services and manage IAM roles and policies.
- Optimize application performance, scalability, and reliability through monitoring and testing.
- Write clean, maintainable, and efficient code following best practices and design patterns.
- Participate in code reviews, providing constructive feedback to peers.
- Troubleshoot and debug applications, identifying performance bottlenecks and areas for improvement.
- Stay updated with emerging technologies and industry trends related to serverless architectures and Python development.
Qualifications
- Bachelors degree in Computer Science, Engineering, or related field, or equivalent experience.
- Proven experience as a Python backend developer, with a strong portfolio of serverless applications.
- Proficiency in AWS services, particularly in serverless architectures (Lambda, API Gateway, DynamoDB, etc.).
- Solid understanding of RESTful API design principles and best practices.
- Familiarity with CI/CD practices and tools (e.g., AWS CodePipeline, Jenkins).
- Experience with containerization technologies (Docker, Kubernetes) is a plus.
- Strong problem-solving skills and the ability to work independently and collaboratively.
- Excellent communication skills, both verbal and written.
Preferred Skills
- Experience with frontend technologies (JavaScript, React, Angular) is a plus.
- Knowledge of data storage solutions (SQL and NoSQL databases).
- AWS certifications (e.g., AWS Certified Developer Associate) are a plus.
- Build applications to solve business problems in healthcare using Machine Learning techniques and software technologies
- Designing and developing machine learning models
- Running machine learning tests and experiments
- Work with the product and operations team to understand the business
requirements
- Create epics and user stories from requirements
- Prioritize the work based on the changing client requirements
Skills and Specifications:
Required Skills
- Experience in coding with Java
- Experience in working with Spring Framework
- Experience with basic API protocols
- Experience with developing, debugging and dev testing
- Decent communication skills
Nice to have
- Experience with distributed storage & Database Systems (SQL or
NoSQL, eg MySQL or MongoDB)
- Experience with production quality management, deployment &
monitoring.
- Experience with Tomcat, Nginx & Linux.
- Experience with Cloud Technologies (AWS, Azure, Oracle Cloud
etc)
- Product understanding skills.
- Design, develop and maintain applications and features.
- work on a huge dataset of IoT data and create algorithms to extract meaningful information.
- Adding features to the existing applications for monitoring and supporting field operations.
- Implementing application testability and diagnostics and fixing bugs.
- Create/ deploy and follow CI/CD pipelines to manage deliveries
You will be building efficient, scalable & high performance microservices and applications which will power the network of thousands of retailers across the country and at the same time improve the efficiency and visibility of information flow in our supply chain systems.
Your core responsibilities:
- Create elegant, efficient and maintainable software to support and extend our current products.
- Solve complex architectural challenges when implementing new features.
- Integrate with databases, file systems, cloud services when delivering scalable solutions.
- Troubleshoot and fix reported customer issues, delivering software patches as needed.
- Assisting in making design decisions based on performance, scalability, security, and future expansion.
- Communicating and collaborating with management, product, QA teams.
What will help you thrive in this role?
- Degree in Computer Science, similar technical field of study or equivalent practical experience.
- 5+ years of experience as a Backend Engineer.
- Proficiency in web development using any of the languages: PHP, Python, Java, NodeJS or Golang.
- Should possess a solid grasp of object-oriented programming, system architecture & design, databases, development, and testing methodologies.
- Good in Design (HLD and LLD).
- Good in Database schema design.
- Good to have experience with AWS or Google Cloud or Azure and serverless architecture.
- Excellent verbal communication skills.
- Track record of delivering successful products as an engineer.
- Experience with large applications of some scale will be a plus.
- Ability to deep dive, understand & improve the legacy code.
- Domain knowledge of supply chain & retail industry is a plus.
Whom you will be sharing your work day with?
We are a language agnostic engineering team of independent thinkers who understand the priorities of a rapidly growing startup and excel at choosing high impact projects. Our core beliefs are:- We are in the forefront of disrupting traditional retail & supply chain industry by building distributed systems
- We are hardcore open source lovers and believe in the strength of open source community.
- We believe technology can change the way information is consumed.
- We use a data driven approach to build new products and features.
- Build new tech solutions to improve business processes and enable our various departments to help service our teams better.
- We embrace and enable DevOps culture within the organisation.
And yes! We do have new furry friends coming to our office everyday.
Work Perks
- Hybrid work environment with flexibility to work from anywhere.
- A great salary, commensurate with experience.
- Unlimited vacation policy which means Paid Vacations.
- A relaxed & flexible working atmosphere.
- Weekly parties (Unofficial).
- Paid outings to remote work locations and industry events/conferences.
- Paid Health Insurance for you and your loved ones.
respective teams. We are a rapidly growing & constantly improving organization. We seek very high
levels of ownership in all individuals, especially roles like this – ownership of systems in your team and
their impact on the entire Flipkart eco-system. Going beyond your role & contributing to make the
organization & business better is an expectation. Actively participate in development along with
team members for as much as 75% of their time, creating modules & systems that can then be treated
as a working reflection of the best practices.
• Participating in code reviews, design reviews, architecture discussions.
• Being responsible for Scaling, Performance & Quality for the team.
• Setting up best practices to help the team achieve the above and constantly thinking about improving
the technology use are your responsibilities. Driving the adoption of these best practices around coding,
design, quality, performance in your team.
• Experiment with new & relevant technologies and tools, and drive adoption while measuring yourself
on the impact you are able to create.
• Implementation of long term technology vision for your team.
• Responsible for the architecture of your product; ensuring it is aligned to the requirements and the
charter.
• Active participant in technology forums & represent Flipkart in external forums.
• Creating architectures & designs for new solutions around existing and new problem spaces at
Flipkart.
• Drive technology & tool choices for your team & be responsible for them.











