
Java Backend Developer (Looking only Immediate Joiners)
Key Responsibilities:
- Design, develop, test, and maintain backend applications using Java and Spring Boot.
- Build and consume RESTful APIs and integrate with third-party services.
- Develop scalable microservices and distributed systems.
- Optimize application performance, reliability, and security.
- Write clean, maintainable, and well-documented code.
- Collaborate with front-end developers, QA engineers, DevOps, and product teams.
- Troubleshoot production issues and implement bug fixes.
- Participate in code reviews and follow software development best practices.
- Contribute to CI/CD pipelines and deployment processes.
Required Skills & Experience
- Strong proficiency in Java (Java 8/11/17+).
- Hands-on experience with Spring Boot, Spring MVC, Spring Data JPA, and Spring Security.
- Experience building RESTful APIs and microservices.
- Knowledge of Hibernate/JPA.
- Strong understanding of SQL databases such as MySQL or PostgreSQL.
- Familiarity with Git and version control.
- Understanding Maven or Gradle.
- Knowledge of unit testing frameworks such as JUnit and Mockito.
- Understanding object-oriented programming principles and design patterns.

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.
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Role & Responsibilities
What You'll Do
- Design, build, and ship production-grade backend services in a microservices environment
- Work directly with clients to understand requirements, solution their use cases, and integrate/deploy our product in their environment
- Own problems end-to-end — build, deploy, debug in the client's setup, and see it through to production
- Lead technical discussions with client engineering and business teams, translating their needs into working solutions
- Build integrations with third-party systems and APIs within customer environments
- Collaborate cross-functionally with internal product and engineering teams to feed client learnings back into the product
Ideal Candidate
- Strong Backend Engineer with robust Micro-services experience
- Mandatory (Experience): Must have 4+ years of hands-on experience in backend software engineering with 2+ years in a product company
- Mandatory (Skill 1): Must have hands-on experience building and running applications in a Micro-services setup - designing services, REST APIs, and service-to-service communication
- Mandatory (Skill 2): Must have strong production-grade experience in building and shipping real services in Java or Node.js (Java is highly preferred)
- Mandatory (Company): Product companies (B2B SaaS is preferred)
- Mandatory (Education): B.Tech / B.E. in Computer Science from Tier-1 institutes (IITs, BITS Pilani)
- Preferred (Experience): Must have worked directly with external customers in an engineering capacity - solutioning, integrating, or deploying the product in the customer's environment and handling technical discussions with their teams
- Preferred (Databases): Comfortable with both SQL and NoSQL databases
✨ Develop & customize IBM Sterling OMS
✨ Build/consume REST APIs using Java & Spring Boot
✨ Work on OMS workflows, integration & order lifecycle
Job Title: Associate Backend Engineer
Job Summary:
We are looking for an enthusiastic and motivated Associate Backend Engineer with 1 to 2 years of experience to join our growing engineering team. Whether you're a recent graduate or have some industry experience, this role offers a strong foundation to grow your skills in real-world backend development. You’ll work closely with experienced engineers and contribute to the design, development, and maintenance of scalable backend systems that power our products.
This position is ideal for individuals who are eager to learn, write production-grade code, and grow into a high-performing backend engineer.
Website: https://www.thealteroffice.com/about
Key Responsibilities:
- Assist in building and maintaining backend services and APIs for web and mobile applications.
- Work with both relational (MySQL, PostgreSQL) and NoSQL (MongoDB, Redis) databases for data modeling and storage.
- Write clean, maintainable, and well-documented code under guidance.
- Contribute to authentication, authorization, and other core backend features.
- Collaborate with cross-functional teams including product, frontend, and QA to deliver complete features.
- Participate in code reviews and incorporate feedback to improve code quality.
- Debug issues, write unit/integration tests, and help maintain service reliability and performance.
- Learn to work with CI/CD pipelines, version control (Git), and deployment workflows.
- Use tools like Docker, basic cloud services (AWS/GCP/Azure), and optionally explore monitoring/logging tools.
- Explore new technologies such as GraphQL, WebSockets, or message queues (e.g., Kafka, RabbitMQ) when relevant.
Requirements:
- 1 to 2 years of backend development experience, including internships, academic projects, freelance, or open-source work.
- Familiarity with at least one backend programming language (e.g., Python, Java, Go, JavaScript, etc.).
- Basic understanding of RESTful APIs, HTTP, databases, and server-side logic.
- Exposure to SQL and NoSQL databases and understanding of CRUD operations.
- Familiarity with Git and fundamental development workflows.
- Willingness to learn and apply best practices in scalability, security, and asynchronous programming.
- Strong problem-solving mindset and eagerness to take feedback and grow.
- Good communication and collaboration skills in a team environment.
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Design systems independently with minimal interaction from the architects
-
Lead a team of software developers to implement systems
-
Continuously find ways to increase the quality of the code
-
Liaising with team members, management, and clients to ensure projects are completed to
standard.
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Anticipates problems and future technical needs and takes necessary steps to address issues.
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Enthusiastically follow industry trends and developments
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Understands how various technology and tools work so that the team picks the right tool for the
job.
Requirements:
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Key Responsibilities:
● Design, develop, and maintain applications using .NET Core, ensuring optimal
performance and scalability.
● Write clean, maintainable, and efficient code, adhering to coding standards and best
practices.
● Diagnose and resolve technical issues, optimizing applications for maximum speed and
scalability.
Technical Skills:
● Proficiency in .NET Core,C#,Web API,EF,LINQ and related technologies.
● Experience in developing applications using microservice architecture
● Experience with cloud platforms
● Familiarity with front-end technologies (e.g., Angular, React) is a plus.
● Knowledge of version control systems like Git.
● Demonstrated proficiency in database design and the ability to write complex queries
● Proven experience in leading development teams and driving technical initiatives.
Sr. Software Developer
Work Experience: 8+ Years
The Number of Vacancies: 2
Location:
CTC: As per industry standards
About the Job Description
Senior software developers are responsible for designing, testing, and implementing new and updated software programs. They take on a managerial role and lead the development team with all software development tasks. Their job is to ensure all projects are completed on time and to company specifications.
What We Are Seeking
- Hands-on experience in Core Java and Advanced Java.
- Hands-on Java Framework-Architecture and Advanced Concepts Understanding and Implementation in Real-Time Projects
- Knowledge of Weblogic, Microservices
- Experience in developing APIs and RESTful services using Node JS.
- Strong understanding of the usage and implementation of JWT tokens and access control API development.
- Knowledge of AWS, SSL integration, Docker, Postman
- Extensive knowledge of MongoDB, MySQL, Redis, and Oracle.
- Understanding of how to integrate third-party APIs such as Payment Gateway
- Knowledge of code versioning tools such as GIT
- Must have good analytical, debugging, and problem-solving skills.
- Good communication skills.
Responsibilities
- Produce high-quality code and experience with security implementations.
- Collaborating with front-end developers on the integration of elements.
- Running diagnostic tests, repairing defects, and providing technical support.
- Documenting Node.js processes, including database schemas, as well as preparing reports.
- Work with the QA Team to develop testing protocols to identify and correct challenges.
Title: Senior Java Developer
Location: Pan India/Remote work
Senior Java Developer
Functional Experience:
5+ years of work experience, bachelor's degree in computer science or a related field, develop applications for cloud computing, design, maintain and operate cloud systems/microservices and applications, keep cloud systems secure, fully tested and integrated with all the other products/applications, understand the language of business and develop to address the business’s needs.
Technical Skills Required:
Minimum 6 year of hands-on Java (including Java 11) programming; Experience and knowledge of open-source software, frameworks around server-side development in Java 11; wide and deep understanding of Java ecosystem, monitoring and diagnosis, Spring Boot.
Notice Period: 0-30 Days
Fluency in modern JavaScript (ES6/7) and other frontend fundamentals (HTML5,
CSS3) and Node.js
Exposure to React( native) basics
Experience with AWS, CI/CD and DevOps
Experience with Web Security
Basic exposure to Go is valuable but not necessary
Willingness to travel for onsite assignments outside India

• Architecture: Knowledge of data structures and an eye for architecture.
• Strong coding/debugging abilities: You have advanced knowledge of at least one
programming language, and are happy to learn more. Either Go or Java
• Distributed Systems: Experience building distributed systems at scale.
• Fast learner:
• A team player:
• Design and business acumen
Basic Qualifications
• 8 years of experience profeciency in Java or Go language and in handling large data systems
• Proficiency in Spark and related big data handling architectures• Proficiency in SQL
- 2 - 7 years of experience in building applications using C++ programming language.
- Comfortable with core programming concepts and techniques (e.g. concurrency, memory management).
- Enjoys working with algorithms and data structures (e.g. trees, hash maps, queues).
- Strong in Data structure and good in problem solving.
- Strong debugging skills.
- Certifying the application – White box testing, black box testing.







