Backend Engineer SDE I & SDE II

JOB DESCRIPTION

Experience: 3-8 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. - 3-8 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 :

CLOUDSUFI, a Google Cloud Premier Partner, a Data Science and Product Engineering organization building Products and Solutions for Technology and Enterprise industries. We firmly believe in the power of data to transform businesses and make better decisions. We combine unmatched experience in business processes with cutting edge infrastructure and cloud services. We partner with our customers to monetize their data and make enterprise data dance.

Our Values :

We are a passionate and empathetic team that prioritizes human values. Our purpose is to elevate the quality of lives for our family, customers, partners and the community.

Equal Opportunity Statement :

CLOUDSUFI is an equal opportunity employer. We celebrate diversity and are committed to creating an inclusive environment for all employees. All qualified candidates receive consideration for employment without regard to race, color, religion, gender, gender identity or expression, sexual orientation, and national origin status. We provide equal opportunities in employment, advancement, and all other areas of our workplace.

About the Role

Job Title: Lead Java Developer

Location: Noida(Hybrid)

Experience: 7-12 years

Education: BTech / BE / ME /MTech/ MCA / MSc Computer Science

Primary Skills - Java 8-17+, Core Java, Design patterns (more than Singleton & Factory), Webservices development,REST/SOAP, XML & JSON manipulation, OAuth 2.0, CI/CD, SQL / NoSQL

Secondary Skills -Kafka, Jenkins, Kubernetes, Google Cloud Platform (GCP), SAP JCo library, Terraform

Certifications (Optional): OCPJP (the Oracle Certified Professional Java Programmer) / Google Professional Cloud

Required Experience:

● Must have integration component development experience using Java 8/9 technologies andservice-oriented architecture (SOA)

● Must have in-depth knowledge of design patterns and integration architecture

● Must have experience in system scalability and maintenance for complex enterprise applications and integration solutions

● Experience with developing solutions on Google Cloud Platform will be an added advantage.

● Should have good hands-on experience with Software Engineering tools viz. Eclipse, NetBeans, JIRA,Confluence, BitBucket, SVN etc.

● Should be very well verse with current technology trends in IT Solutions e.g. Cloud Platform Development,DevOps, Low Code solutions, Intelligent Automation

Good to Have:

● Experience of developing 3-4 integration adapters/connectors for enterprise applications (ERP, CRM, HCM,SCM, Billing etc.) using industry standard frameworks and methodologies following Agile/Scrum

Behavioral competencies required:

● Must have worked with US/Europe based clients in onsite/offshore delivery model

● Should have very good verbal and written communication, technical articulation, listening and presentation skills

● Should have proven analytical and problem solving skills

● Should have demonstrated effective task prioritization, time management and internal/external stakeholder management skills

● Should be a quick learner and team player

● Should have experience of working under stringent deadlines in a Matrix organization structure

● Should have demonstrated appreciable Organizational Citizenship Behavior (OCB) in past organizations

Job Responsibilities:

● Writing the design specifications and user stories for the functionalities assigned.

● Develop assigned components / classes and assist QA team in writing the test cases

● Create and maintain coding best practices and do peer code / solution reviews

● Participate in Daily Scrum calls, Scrum Planning, Retro and Demos meetings

● Bring out technical/design/architectural challenges/risks during execution, develop action plan for mitigation and aversion of identified risks

● Comply with development processes, documentation templates and tools prescribed by CloudSufi or and its clients

● Work with other teams and Architects in the organization and assist them on technical Issues/Demos/POCs and proposal writing for prospective clients

● Contribute towards the creation of knowledge repository, reusable assets/solution accelerators and IPs

● Provide feedback to junior developers and be a coach and mentor for them

● Provide training sessions on the latest technologies and topics to others employees in the organization

● Participate in organization development activities time to time - Interviews, CSR/Employee engagement activities, participation in business events/conferences, implementation of new policies, systems and procedures as decided by Management team

Company Name – Wissen Technology

Group of companies in India – Wissen Technology & Wissen Infotech

Work Location - Senior Backend Developer – Java (with Python Exposure)- Mumbai

Experience - 4 to 10 years

Kindly revert over mail if you are interested.

Java Developer – Job Description

We are seeking a Senior Backend Developer with strong expertise in Java (Spring Boot) and working knowledge of Python. In this role, Java will be your primary development language, with Python used for scripting, automation, or selected service modules. You’ll be part of a collaborative backend team building scalable and high-performance systems.

Key Responsibilities

• Design and develop robust backend services and APIs primarily using Java (Spring Boot)
• Contribute to Python-based components where needed for automation, scripting, or lightweight services
• Build, integrate, and optimize RESTful APIs and microservices
• Work with relational and NoSQL databases
• Write unit and integration tests (JUnit, PyTest)
• Collaborate closely with DevOps, QA, and product teams
• Participate in architecture reviews and design discussions
• Help maintain code quality, organization, and automation

Required Skills & Qualifications

• 4 to 10 years of hands-on Java development experience
• Strong experience with Spring Boot, JPA/Hibernate, and REST APIs
• At least 1–2 years of hands-on experience with Python (e.g., for scripting, automation, or small services)
• Familiarity with Python frameworks like Flask or FastAPI is a plus
• Experience with SQL/NoSQL databases (e.g., PostgreSQL, MongoDB)
• Good understanding of OOP, design patterns, and software engineering best practices
• Familiarity with Docker, Git, and CI/CD pipelines

• Rewrite existing APIs in NodeJS. 
• Remodel the APIs into Micro services-based architecture. 
• Implement a caching layer wherever possible. 
• Optimize the API for high performance and scalability. 
• Write unit tests for API Testing.
• Automate the code testing and deployment process.

Skills Required: 

• At least 2 years of experience developing Backends using NodeJS — should be well versed with its asynchronous nature & event loop, and know its quirks and workarounds. 
• Excellent hands-on experience using MySQL or any other SQL Database. 
• Good knowledge of MongoDB or any other NoSQL Database. 
• Good knowledge in postgre
• Good knowledge of Redis, its data types, and their use cases. 
• Experience with graph-based databases like GraphQL and Neo4j. 
• Experience developing and deploying REST APIs. 
• Good knowledge of Unit Testing and available Test Frameworks. 
• Good understanding of advanced JS libraries and frameworks. 
• Experience with Web sockets, Service Workers, and Web Push Notifications. 
• Familiar with NodeJS profiling tools. 
• Proficient understanding of code versioning tools such as Git. 
• Good knowledge of creating and maintaining DevOps infrastructure on cloud platforms. 
• Should be a fast learner and a go-getter — without any fear of trying out new things Preferences. 
• Experience building a large scale social or location-based app

Experience:4-7years

Package: Exp- 3.5X max

Location: Hyderabad Location (WFO)

Skillset: Java developer with spring boot and microservices

Note: If you get selected you need to come and work in the office Hyderabad location

Your Qualifications:

 7 to 12 years of experience with majority as Java engineer

 Strong hands on experience on building application using technologies Java, Spring, Hibernate, Maven/Gradle.

 Experience in building Micro Services using Spring Boot / Go.

 Strong knowledge and experience with SQL queries and databases like Postgre SQL/Oracle.

 Strong knowledge and experience on Platform components such as Docker, Kubernetes and Service Mesh (Istio).

 Good knowledge of scripting languages (preferably Python and Bash)

 Familiarity with CI/CD environment (Jenkins).

 Experience on Observability stack such as ELK Stack, Prometheus & Grafana would be added advantage.

 Should have experience on Active MQ based async queuing system design and deployment.

 Strong experience of system design and implementation of end-to-end integrated systems.

 Familiarity with Hazelcast and Zk Solution would be a plus.

 Strong skills to write technical design documentation.

 Experience of leading a team as tech lead.

 Ability to work effectively in a team environment as well as independently.

 Good communication skills with tech/non-tech people.

What You'll Do:

 Assigned to software development projects and/or system enhancements as tech lead.

 Be engaged in a whole process of development project (requirements analysis, design, implementation, testing/verification, deployment, operation/maintenance).

 Work closely with project manager and other engineers. Some of them are in different locations such as Japan and Singapore.

 Always improve the design quality, code quality, testing quality and system quality spontaneously. In addition, create such a culture in our team.

 Understand business needs and user behavior and develop solutions to those needs.

 Develop and maintain a deep understanding of our systems and propose system improvements.

 Guide and support less-experienced members as mentor and role model to improve the team productivity and achieve team’s goals together.

Better to Have:

 Familiarity with Telecom Service Provider’s Billing Ecosystem/BSS Systems.

 Familiarity with and experience on Cloud Native Technologies.

 Familiarity with Agile Software development process.

 Familiarity with and experience on Linux/Unix environment

 Work experience with a remote team

 Familiarity with Atlassian tools (JIRA, Confluence, HipChat)

 Familiarity with source control system (Gitlab, SVN, etc.)

OUR COMMITMENT TO YOU:

You'll benefit from our network of global communities and collaborative culture that will help you build technical and functional skills and capabilities. And because we serve more than 28 countries industries globally, you'll have the opportunity to develop valuable industry-specific expertise.

The scale of our capabilities and client engagements and the unique way we innovate, operate and deliver value will give you the opportunity to deepen your existing skills even as you help create the latest technology trends. You'll have access to leading-edge technology.

Job Title: ERPNext Developer 
Job Type: Full – Time
Location: Pune
Work Hours: 9: 00 AM to 6:00 PM
Min Salary: As per the Standard Market Rates

MAIN DUTIES/RESPONSIBILITIES:

PRIMARY RESPONSIBILITIES:
The candidate will be required to Design, Configure, Build, Test, Deploy and Maintain ERPNext and Frappe based applications:

• Gathering technical requirements for internal and external customers.
• Creation of documentation for software development and testing.
• Participation and use of Agile development methodologies
• Drive continuous improvement in development and operations best practices
• Ability to convey complex information in both written and oral form to technical and non-technical audiences

QUALIFICATIONS, EDUCATION, AND SKILLS:
Core qualifications:

• Excellent written and verbal communication skills
• Good interpersonal communication skills are needed in order to work successfully with prospects, customers, and cross-functional teams to meet development timelines
• Able to understand the complex business process and manage the project.
• Strong aptitude for learning new technologies and understanding how to utilize them in a customer-facing environment
• Hands-on experience in developing ERP applications from the ground up.
• Ability to follow standard engineering principles and practices
• Creative approach to problem-solving
• Working knowledge of object-oriented design and development skills.
• Commercial eCommerce portal development and maintenance is preferred. 
• 1-5 years of Experince is mandatory.

Technical qualifications:

• Experience in Frappe, ERPNext, JS, MySQL, Python & Frappe based web development. 
• Hands-on Product development over Frappe Framework, ERPNext
• Experience with workflows, access controls, page layouts, custom objects, custom record types, reports, and dashboards design and development
• Experience with Scrum/Agile development methodologies 
• OOP concepts and Backend Development Experience
• MySQL on MariaDB or equivalent
• Hands-on experience with hosting web application on Apache or NGINX
• Experience in UI/UX development for Web Applications is essential.
• Experience with one or more ERPNext Modules like Human Resources, CRM, Buying, Selling, Asset Management, Stock, Buying, Accounting, and Project.
• Senior position requires experience with multiple modules of ERPNext. 
• BS in computer science or technology equivalent preferred