Java Developer

Required Skills & Qualifications

• 4+ years of professional experience in backend development with Python.
• Strong hands-on experience with FastAPI (or Flask/Django with migration experience).
• Familiarity with asynchronous programming in Python.
• Working knowledge of version control systems (Git).
• Good problem-solving and debugging skills.
• Strong communication and collaboration abilities.
• should have a solid background in backend development, RESTful API design, and scalable application development.

Shift: Night Shift 6:30 pm to 3:30 AM IST

We are seeking a passionate and skilled Java Technical with 7 to 12 years of experience in product development and team leadership. As a key member of our global software development team, you will be responsible not only for solving complex technical problems but also for leading and mentoring engineers, driving the design of scalable systems, and ensuring high-quality delivery across projects. 

Experience in leading development teams, managing end-to-end project delivery, and working directly with clients to translate business problems into technical solutions is essential. 

Key Responsibilities: 

• Lead the design, development, testing, and deployment of scalable Java applications. 
• Break down client/business problems and define clear technical tasks for the team. 
• Provide technical guidance and mentorship to team members throughout the development lifecycle. 
• Collaborate with cross-functional teams to deliver new features and enhancements. 
• Participate in and lead code reviews, ensuring adherence to best practices and maintaining code quality. 
• Own and drive the architecture and design discussions for new modules and systems. 
• Ensure timely delivery of project milestones and proactively resolve technical blockers. 
• Evaluate and integrate new tools and technologies to improve efficiency and product quality. 
• Serve as the primary technical point of contact for your team and stakeholders. 

Required Skills: 

• 7+ years of hands-on experience in Java development. 
• Proven experience in building products or applications from scratch (not just maintenance/support). 
• Strong object-oriented programming skills and hands-on experience with Spring, Spring Boot, Hibernate, etc. 
• Solid understanding of system architecture, design patterns, and microservices architecture. 
• Experience in leading small to mid-sized teams and managing technical delivery. 
• Proficiency in data structures, algorithms, and performance optimization. 
• Strong communication and stakeholder management skills. 
• Experience working with RESTful APIs and cloud platforms such as AWS, Azure, or GCP is a plus. 
• Good understanding of SQL and NoSQL databases. 
• Strong debugging, troubleshooting, and problem-resolution skills. 

Desired Attributes: 

• Excellent problem-solving and decision-making skills. 
• High levels of ownership, accountability, and self-drive. 
• Strong team leadership and collaboration abilities. 
• Proactive attitude and commitment to engineering excellence. 
• Recognitions or awards in previous roles are a big plus. 
• Passion for continuous learning, coaching others, and improving team capabilities. 

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 1500+ 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. 

About Team:

CaratLane's mission is to help customers express their emotions through jewellery. Consumer Experience Technology team is an enabler to deliver the exceptional Consumer Experience and WoW business features in large scale website, apps and backend systems.

What do we want:

* 5 to 8 years of experience in Java and Spring Boot working with large scale backend applications

* Expertise in PostgreSQL and any of caching databases

* Experience in developing RESTful/GraphQL APIs and microservices based applications

* Good problem solving and debugging skills.

* Exposure on event-driven, asynchronous I/O

* Good knowledge of engineering excellence: Unit Testing/TDD, Code quality, Documentation, CI&CD

* Experience in non-functional requirements (Scalability, Performance optimisation, Security)

* Experience is Linux development and AWS ecosystem tools

WHAT YOU WILL DO:

• Execute a full software development lifecycle (SDLC)
• Develop flowcharts, layouts, and documentation to identify requirements and solutions
• Write well-designed, testable, reusable code and libraries for future use
• Optimize the application for maximum speed and scalability
• Implement security and data protection
• Produce specifications and determine operational feasibility
• Integrate software components into a fully functional software system
• Develop software verification plans and quality assurance procedures
• Document and maintain software functionality
• Troubleshoot, debug and upgrade existing systems
• Deploy programs and evaluate user feedback
• Comply with project plans and industry standards
• Ensure software is updated with latest features

REQUIRED SKILLS & QUALIFICATIONS:

• 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

PREFERRED SKILLS & QUALIFICATIONS:

• A Bachelor’s Degree in Computer Science, Software Engineering, or other related fields.
• Eight to Ten years of Software Engineering or Software Development experience, preferably in a related field.

REPORTING: This position will report to HOD

EMPLOYMENT TYPE: Full-Time

LOCATION: Remote (Pan India) & In-Office – Jaipur, India

SHIFT TIMINGS:

Summer - 1:30pm-10:30pm IST

Winter    - 2:30pm-11:30pm IST

Responsibilities for Staff Engineer role:

• Having experience in Java along with Springboot, Micorservices, RDBMS
• Experience required: 6yrs to 8 yrs.

Technologies

Must have                         Core JAVA, J2EE, Multithreading, OOPS, and Multiprocessing

Great to have                   RabbitMQ, Netty, XML, JSON, Messagepack

Huge Advantage:             Good at mathematics, statistics, complex data structures, algorithms, and design patterns

Other skills

• Ability to understand most complex and challenging problems and solve them from users’ view point
• Ability to create and present software designs (as per the aligned solution) to the product owner
• Ability to build and create modules from scratch.
• Ability to write, understand and deal with large code base
• Experience in understanding and implementing design patterns
• Ability to provide technical leadership to a team of equally talented, efficient and motivated engineers

Roles and responsibilities

• Responsible for solving the most complex and seemingly impossible problems related to variety of dimensions of software engineering. Dealing with Big Data to Complex Data Structures, From Inter Process Communication to sub 100 MilliSec server responses, From Distributed Systems to 99.999 Availability.
• Responsible for providing technical leadership to a team of 3-4 Engineers
• Responsible to drive delivery of a project/module and report to Product Owner
• Responsible for functional/technical tracking of a project/module

Responsibility Split

• 80% Technology, 20% Team management
• With 80:20 split this is definitely a technology oriented role suitable for geeks.