
JOB DESCRIPTION
Experience: 5-8 years
Location-Mumbai
Wissen Technology is now hiring for a Java Developer - Mumbai 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
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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JOB DESCRIPTION-
Exp - 5 to 8yrs
Job Summary
We are looking for a highly skilled and motivated Senior Software Engineer with strong expertise in Java (primary) and working knowledge of Python. The ideal candidate will be responsible for designing, developing, and maintaining scalable backend systems, while contributing to high-quality software delivery across the full development lifecycle.
Key Responsibilities
- Design, develop, and maintain robust, scalable, and high-performance applications using Java (Spring Boot / Microservices architecture)
- Develop reusable components and APIs with a focus on performance, security, and scalability
- Leverage Python for automation, scripting, data processing, or ML-related use cases (as applicable)
- Collaborate with cross-functional teams including Product, QA, DevOps, and Architecture
- Participate in system design discussions and contribute to technical decision-making
- Write clean, efficient, and well-documented code following coding standards and best practices
- Optimize applications for maximum speed and scalability
- Troubleshoot and debug complex production issues
- Contribute to CI/CD pipelines and DevOps practices
- Mentor junior engineers and perform code reviews
Required Skills & Qualifications
Technical Skills
- Strong hands-on experience in Core Java, Spring Boot, and Microservices architecture
- Solid understanding of RESTful APIs, multithreading, concurrency, and JVM performance tuning
- Practical experience with Python (automation, scripting, or backend development)
- Experience with databases: SQL (MySQL, PostgreSQL) and/or NoSQL (MongoDB, Cassandra)
- Familiarity with cloud platforms (AWS, Azure, or GCP)
- Strong knowledge of data structures, algorithms, and system design
- Experience with message brokers (Kafka, RabbitMQ)
- Exposure to containerization & orchestration (Docker, Kubernetes)
- Experience with version control systems (Git)
Preferred Skills
- Experience in distributed systems and event-driven architectures
- Knowledge of Python frameworks (Flask, FastAPI, Django)
- Exposure to big data technologies (Spark, Hadoop) or ML workflows
- Experience with CI/CD tools (Jenkins, GitHub Actions, etc.)
- Familiarity with observability tools (Prometheus, Grafana, ELK stack)
Soft Skills
- Strong problem-solving and analytical skills
- Excellent communication and collaboration abilities
- Ability to work in a fast-paced agile environment
- Proactive ownership and accountability

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Job Title: Senior Backend Engineer (.NET Core)
Location: Nashik, India
Employment Type: Full time
Experience: 8+ years
The job
We are looking for a Senior Backend Engineer (.NET Core) to join our team. This is a hands-on individual contributor role with additional responsibility to guide and mentor backend engineers across senior, mid, and junior levels.
The ideal candidate should have strong experience in .NET Core (8.0+), microservices architecture, API design, and cloud-native development on Azure. The candidate will actively contribute to platform-level backend services, shared components, and integrations across EcoTools and Unify initiatives, while helping establish backend engineering best practices across the team.
Key responsibilities
- Design, develop, and maintain scalable backend services and APIs using .NET Core (8.0+).
- Build microservices-based backend APIs and tools aligned with EcoTools platform architecture.
- Develop secure and high-performance REST APIs used by micro frontend applications and other services.
- Contribute to backend architecture decisions, including service design, API standards, authentication, and data access patterns.
- Integrate backend services with platform services such as authentication, messaging, logging, and shared Unify components.
- Ensure backend solutions meet non-functional requirements (performance, scalability, reliability, and security).
- Guide and mentor backend engineers through code reviews, design discussions, and architectural best practices.
- Collaborate with frontend engineers, DevOps, and platform teams to ensure seamless system integration.
- Implement unit and integration tests to ensure high code quality and reliability.
- Contribute to CI/CD pipelines, deployment automation, and observability improvements.
- Participate in technical documentation, ADR discussions, and architectural governance reviews.
- Support engineering teams in troubleshooting production issues and improving system stability.
Essential requirements
- Bachelor’s or Master’s degree in Computer Science, Engineering, or a related field.
- 6–9 years of hands-on backend development experience using .NET Core / ASP.NET Core.
- AI Skill Level: Has built or contributed to AI-powered features. Understands prompt, design, evaluation, guardrails, and failure modes.
- Have hands on in spec/skill driven agentic AI development.
- Strong expertise in REST API design, microservices architecture, and distributed systems.
- Experience working with Azure cloud services (App Services, Azure SQL, Event Hub, Service Bus, or similar).
- Solid understanding of authentication and authorization mechanisms (OAuth2, JWT, OpenID Connect).
- Experience with database technologies such as SQL Server, PostgreSQL, or NoSQL systems.
- Strong knowledge of clean architecture principles, SOLID design patterns, and scalable backend design.
- Experience working in Agile software development environments.
- Strong communication and collaboration skills.
- Strong problem-solving skills, debugging, and performance optimization skills, ownership mindset, and ability to collaborate across teams.
- Experience working in Agile software development methodologies.
- Ability to manage responsibilities independently and deliver results within deadlines.
Desired skills and competencies
- Experience with distributed application frameworks such as Dapr.
- Exposure to event-driven architectures and messaging systems.
- Familiarity with API Management, gateway patterns, and platform integrations.
- Experience working with large-scale SaaS platforms and micro services architectures.
- Exposure to AI-assisted development tools and modern engineering practices.
- Bachelor's or Master’s degree in Computer Science or equivalent area
- 10 to 20 years of experience in software development
- Hands-on experience designing and building B2B or B2C products
- 3+ years architecting SaaS/Web based customer facing products, leading engineering teams as software/technical architect
- Experiences of engineering practices such as code refactoring, microservices, design and enterprise integration patterns, test and design-driven development, continuous integration, building highly scalable applications, application and infrastructure security
- Strong cloud infrastructure experience with AWS and/or Azure
- Experience building event driven systems and working with message queues/topics
- Broad working experience across multiple programming languages and frameworks with in-depth experience in one or more of the following: .Net, Java, Scala or Go-lang
- Hands-on experience with relational databases like SQL Server, PostgreSQL and document stores like Elasticsearch or MongoDB
- Hands-on experience with Big Data processing technologies like Hadoop/Spark is a plus
- Hands-on experience with container technologies like Docker, Kubernetes
- Knowledge of Agile software development process
Microsoft Azure Data Integration Engineer
Job Description:
Microsoft Azure Data Integration Developer who will design and build cutting-edge user experiences for our client’s consumer-facing desktop application. The Senior Software Developer will work closely with product owners, UX designers, front-end, and back-end developers to help build the next-generation platform.
Key Skills:
- 3+ years of experience in an enterprise or consumer software development environment using C# and designing and supporting Azure environments
- Expert level programming skills in creating MVC and Microservices architecture
- Experience with modern frameworks and design patterns like .Net core
- Strong knowledge of C# language
- Hands-on experience using the Azure administration portal and iPaaS
- Demonstrable experience deploying enterprise workloads to Azure
- Hands-on experience in Azure function apps, app service, logic apps and storage, Azure Key vault integration, and Azure Sql database.
- Solid understanding of object-oriented programming.
- Experience developing user interfaces and customizing UI controls/components
· Microsoft Azure Certification, Business Continuity, or Disaster Recovery planning experience is a plus
Responsibilities:
- Architect, design & build a modern web application for consumers
- Explore configuring hybrid connectivity between on-premises environments and Azure, and how to monitor network performance to comply with service-level agreements.
- Collaborate with UI/UX teams to deliver high-performing and easy-to-use applications
- Participate in code reviews with staff as necessary to ensure a high-quality, performant product
- Develop a deep understanding of client goals and objectives, and articulate how your solutions address their needs
- Unit testing/test-driven development
- Integration testing
- Deploying Azure VMs (Windows Server) in a highly available environment
- Regularly reviewing existing systems and making recommendations for improvements.
- Maintenance
- Post-deployment production support and troubleshooting
Technical Expertise and Familiarity:
- Cloud Technologies: Azure, iPaaS
- Microsoft: .NET Core, ASP.NET, MVC, C#
- Frameworks/Technologies: MVC, Microservices, Web Services, REST API, Java Script, JQuery, CSS, Testing Frameworks
- IDEs: Visual Studio, VS Code
- Databases: MS SQL Server, Azure SQL
- Familiarity with Agile software development methodologies.
- Advanced knowledge of using Git source control system.
- Azure, AWS, and GCP certifications preferred.
Role: Java developer
Experience: 4+ years
Job description
○ Working experience on JAVA,Spring Boot. (on building web services?)
○ NOSQL DynamoDB knowledge is plus
○ Working experience in building micro services and distributed systems
○ Working experience on using messaging queues RabbitMQ/Kafka is plus
1. Demonstrable problem solving, analytical skills.
2. Ability to program (at Beginner or Advanced Beginner level in one or more programming
language like Java, C#, Python, JavaScript etc.).
3. Ability to think through a problem at conceptual level and propose solutions.
4. Excellent verbal and written communication skills.
5. Keen desire to learn, stretch and a never-give-up attitude.
6. Very strong interpersonal skills and an easy-going personality.
7. Highly proactive, result-oriented and team player.
8. Ability to stay current with new technology.
Roles and Responsibilities
1. Engineering graduates passing in 2022 starting to kick start their career in technology.
2. Ideal candidate should have hand-on interest in programming and some experience in
writing software applications. If you have a GitHub profile, please provide link to your work.
Nice to have internship / college project.
3. Knowledge of one or more programming language to write fully executable and functional
code is very desirable. Knowledge of databases is also desirable. Both these may be at a
Beginner or Advanced Beginner level.
4. You should be focused, enthusiastic, motivated, and have a desire to progress by learning,
executing and experimenting.
●3+ years of Software Engineering or Software Development experience, preferably in a related field.
● Good knowledge of Core Java (Minimum Version 8)
● J2EE with a good understanding of Servlets and JSP
● Experience in Spring Modules – Spring IOC and AOP, Spring Boot (version 2 plus), JDBC
● Expertise in design and development of various web and enterprise – level applications using Java/J2EE
technologies such as Spring, Hibernate, Rest services.
● Web Services (including SOAP, XML, XML Schema, JSON, and REST)
● Tools required: Maven,Eclipse, Github, and Swagger
● Good knowledge of SQL and Redis (NOSql)
● Ability to document requirements and specifications
● Proven work experience as a Software Engineer or Software Developer
● Ability to develop software in Java or any other OOPS languages
● Excellent knowledge of relational databases, SQL and ORM technologies (JPA2, Hibernate)
● Experience in developing Web Applications using at least one popular Web Framework (Spring)
● Experience with test-driven development
● Proficiency in software engineering tools
Remote (Pan India)
SHIFT TIMINGS: UK Shift
Summer - 1:30pm-10:30pm IST
Winter - 2:30pm-11:30pm IST
Java, J2EE, Spring Boot, REST services, PostgreSQL
Experience with Elastic Search or any NoSQL DB is preferable
At JFrog, we’re reinventing DevOps to help the world’s greatest companies innovate -- and we want you along for the ride. This is a special place with a unique combination of brilliance, spirit and just all-around great people. Here, if you’re willing to do more, your career can take off. And since software plays a central role in everyone’s lives, you’ll be part of an important mission. Thousands of customers, including the majority of the Fortune 100, trust JFrog to manage, accelerate, and secure their software delivery from code to production -- a concept we call “liquid software.” Wouldn't it be amazing if you could join us in our journey?
We are looking for an experienced, hands-on developer to join an innovative and talented R&D team, responsible for delivering fast and high quality code, using the latest frameworks and technologies.
As a Senior Software Engineer in JFrog you will...
- Be responsible for all development aspects form design to production of a wide hybrid/ cloud naitive product
- Write high quality, testable and efficient code in Java and Go
- Initiate and promote new ideas for continuous improvement of the product functionality
- Work closely with other team members as well as mentoring new team members
To be a Senior Software Engineer in JFrog you need...
- 5+ years of software development experience
- Proven deep knowledge of Java or Go
- Deep understanding of relational databases, concurrent programming and performance tuning
- Vast experience with large scale production environments
- Experience with micro services architecture, multithreading
- Familiarity with Cloud infrastructure, Docker, Kubernetes & CI/CD
- Disciplined approach to testing and quality assurance









