Principal Engineer - Backend

🧠 Job Description: Senior Java Developer (8+ Years Experience)

Location: Mumbai, India

Employment Type: Full-time, Hybrid mode of working

Company: Wissen Technology

Website: www.wissen.com

🚀 About Wissen Technology

Wissen Technology is a specialized technology consulting firm delivering cutting-edge solutions to global leaders in Banking & Finance, Telecom, and Healthcare. Established in 2015 and part of the Wissen Group (founded in 2000), Wissen has scaled rapidly with impressive impact and recognition.

• 🌍 Offices in US, UK, India, Australia, Mexico, and Canada
• 👥 1700+ Wissen Technology professionals; part of a 4500-strong Wissen Group
• 🏆 Great Place to Work® Certified
• 🧠 Featured as a Top 20 AI/ML Vendor (CIO Insider, 2020)
• 📈 Achieved 400% revenue growth in 5 years (with zero external funding)
• 💼 Delivered $1B+ worth of projects to 50+ Fortune 500 companies

Learn more about our work and thought leadership:

📄 Articles by Wissen | 💼 LinkedIn

About the Role

We are seeking an experienced Senior Java Developer with 8+ years of hands-on expertise in building scalable, high-performance applications. The ideal candidate will have strong fundamentals in Java, OOPS, Multithreading, Spring concepts, and SQL, and will play a key role in designing, developing, and optimizing enterprise-grade solutions.

Key Responsibilities

• Design, develop, and maintain complex applications using Core Java and Spring frameworks
• Apply advanced Object-Oriented Programming (OOPS) principles to deliver clean, modular, and reusable code
• Implement and optimize multithreaded applications for high-performance systems
• Work with SQL databases for efficient data modeling, query optimization, and integration
• Collaborate with cross-functional teams to gather requirements and translate them into technical solutions
• Conduct code reviews, troubleshoot issues, and ensure adherence to best practices
• Mentor junior developers and contribute to technical knowledge sharing within the team
• Ensure application scalability, performance tuning, and security compliance

Required Skills & Qualifications

• Bachelor’s/Master’s degree in Computer Science, Engineering, or related field
• 8+ years of professional experience in Java development
• Strong expertise in Core Java, OOPS, and Multithreading
• Hands-on experience with Spring concepts (Spring Core, Spring MVC, Spring Boot preferred)
• Proficiency in SQL and database design (MySQL, Oracle, PostgreSQL, etc.)
• Solid understanding of software development life cycle (SDLC) and Agile methodologies
• Strong analytical, problem-solving, and communication skills

🌟 Why Wissen?

Join a company that combines start-up agility with enterprise stability. Work alongside some of the brightest minds from institutions like MIT, Wharton, IITs, IIMs, and NITs. Be part of mission-critical projects for Fortune 500 giants, and grow in a culture that invests in your future.

Job Description

We are seeking a talented and experienced Java SpringBoot Microservices Developer

to join our dynamic development team. As a Java SpringBoot Microservices Developer,

you will be responsible for designing, developing, and maintaining scalable and

high-performance microservices-based applications using Java and SpringBoot

frameworks.

Responsibilities:

● Collaborate with cross-functional teams to gather and analyze requirements for

the development of microservices applications.

● Design, develop, and implement robust and scalable microservices using Java

and SpringBoot.

● Build RESTful APIs and integrate them with external systems as required.

● Ensure the performance, security, and reliability of the microservices through

thorough testing and debugging.

● Participate in code reviews to ensure code quality, maintainability, and adherence

to coding standards.

● Troubleshoot and resolve technical issues related to microservices and their

integration with other components

● Continuously research and evaluate emerging technologies and industry trends

related to microservices and recommend improvements to enhance application

development.

Requirements:

● Bachelor's degree in Computer Science, Software Engineering, or a related field.

● Strong experience in Java development, specifically with SpringBoot framework.

● Proficiency in designing and developing microservices architectures and

implementing them using industry best practices.

● Solid understanding of RESTful API design principles and experience in building

and consuming APIs.

● Knowledge of cloud platforms and experience with containerization technologies

(e.g., Docker, Kubernetes) is highly desirable.

● Familiarity with agile development methodologies and tools (e.g., Scrum, JIRA) is

a plus.

● Excellent problem-solving and analytical skills with a keen attention to detail.

● Effective communication and collaboration skills to work effectively within a team

environment.

If you are a passionate Java developer with a strong focus on building scalable

microservices applications using SpringBoot, we would love to hear from you. Join our

team and contribute to the development of cutting-edge solutions that deliver

exceptional user experiences.

To apply, please submit your resume and a cover letter outlining your relevant

experience and achievements in Java SpringBoot microservices development.

Job Responsibilities

✓ Perform the role of Technical Lead on assigned projects to drive solution design (especially backend) and API services development.

✓ Be the thought leader and champion for above mentioned technologies.

✓ Drive technical analysis for new projects including planning and driving proof-of-concepts, if needed.

✓ Drive tasks related to backend development by providing architectural and technical leadership to mid-tier and database developers.

✓ Conduct peer reviews as the lead into Git to confirmed that developed code meets acceptable standards and guidelines.

✓ Work closely with the rest of the leads, mid-tier development, front-end developers, database developers, etc. to ensure end-to-end integrity of the solution being developed.

✓ Work closely with the rest of the tech leads and senior engineering leadership team to ensure reuse where applicable to increase productivity and throughput.

✓ Conduct technical interview to staff open positions in the backend team.

✓ Delegate work and assignments to team members

✓ Collaborate with their team to identify and fix technical problems

✓ Analyze users' needs and then finding applications to serve them

✓ Drive assigned tasks related to SOC 2 certification and ensure compliance to defined controls for areas under lead’s purview.

✓ Guiding their team through technical issues and challenges

✓ Prepare Technical design documents which would help the team to understand the technical flow

✓ Active participation in customer calls especially discussions related to Technical/Architectural and provide inputs.

Required Experience: 

✓ Backend Lead around 14 years of experience

✓ Server less Computing Architecture

✓ NodeJS, MySQL, Jenkins, Python, GitLab Technologies

✓ Good knowledge of AWS Cloud

✓ Full cycle AWS implementation experience

✓ Project experience in development and maintenance support for AWS web service and Cloudbased implementations

✓ Experience leading teams of up to 10 + professionals

Ability to manage multiple tasks and projects in a fast-moving environment 

Educational Qualifications: 

Engineering graduate or B. Tech/MCA with relevant major subjects like Computer Science

Detailed Job Description :

Total Exp-6-9 Yrs

Location-Noida(Singapore Travel - In next 3 Months (short term)

Mandatory:

• 6-8 years of total IT experience delivering enterprise-scale applications or product implementations
• 1-3 years of experience working as a technical lead.
• Working Experience in ISO20022, SWIFT, Remittance
• Language & Frameworks: Java, Spring Boot, Spring, Any ORM

Preferred:

• Working experience in TCS Bancs or Integration with TCS Bancs
• Database: SQL Server
• Working experience in managing projects in Java Stack.
• Good Knowledge of Microsoft stack, Static Code analyzers, Overall SDLC Lifecycle, Design & Architecture

Company Name & Profile : 

It is a leader in the integration of IT and network technologies and brings more than 100 years of expertise in technological innovation to provide solutions for empowering people, businesses and society. Headquartered in Japan, it started operations in India in the 1950s, accelerating its growth through the expansion of business to global markets. The company in India expanded its business from telecommunications to public safety, logistics, transportation, retail, finance, unified communication and IT platforms, serving across governments, businesses as well as individuals. With its Centre of Excellence for analytics platform solutions, big data, biometrics, mobile and retail, the company in India offers innovative new services and solutions for India and global markets. It operates across India with offices in New Delhi (head office), Noida, Mumbai, Chennai, and Bengaluru.

1. Hands on programming skills.
2. Monitoring application and infrastructure health by using monitoring tools
3. Build and deployment automation tools on AWS
4. Design and coding experience in Java/golang
5. Design and coding experience in Java/golang
6. Hands on exposure to GitLab or Github

• Perform requirement gathering, analysis and design        
• Develop, create, modify and fix software applications     
• Complete Unit & Integration Testing       
• Deploy software             
• Initial Validation after deployment           
• Create documentation   
• Troubleshooting and problem solving     

Requirements

• Educational Background                             
• Experience (0+ years)
• The person should be proficient in Computer Science. Get your basics right, we will teach you everything else!

Examinations                    

• You will be asked questions concerning the following topics, Networking, Data Structures,  Design patterns, Algorithm Analysis, and Concurrency. The questions are all language agnostic.
• You will also be asked to code a trivial Java program that meets specific requirements.
• Java, Maven, Spring-boot, REST/RESTful services, Javascript, Node.js, Angular,  React,

Our Stack  

• SQL, NoSql,  Hibernate, Java Persistence API (JPA),
• Shell Scripting, Powershell scripting,
• JSON, XML

Benefits

• Unlimited Leave policy
• Apart from unlimited policy 9-Public Holiday over the year (Jan to Dec)
• Medical policy coverage up and above your CTC
• Unlimited scope to learn technology - no restrictions team wise/project wise
• Wonderful work culture
• Life time WFH for candidates outside Kolkata
• Opportunity to work with a product based company
• Weekly 2 days fixed off
• This is a remote position. Sath Infotech Pvt. Ltd is an established IT Security Consulting firm and is looking for developers to join its team. This role will work with team members, client stakeholders, and individuals to support and enhance Identity and Access Management and other security applications. Should be proficient in Computer Science.
• If you like working with IT professionals across a variety of Enterprise Level Environments with diverse processes and configurations to identify and solve complex problems, Sath Infotech can offer a career path to become a subject matter expert in the high demand roles of Cyber Security Analyst/Consultant, Enterprise IT Auditor or IT Project Management.

Software Development Engineer II

Do you want to be part of team building Amazon.in space ? Are you passionate to build highly scalable systems ?
LocalFinds team is building multiple capabilities that are relevant to customers in India. This is a rare opportunity to be part of a team that will be responsible for building a successful, sustainable and strategic business for Amazon.in

As an engineer, you will help with the , implementation, and launch of many key product features. You will get an opportunity to work on the wide range of technologies (including AWS Elastic Search, Lambda, ECS, EDP, SQS, Dynamo DB, Slapshot, Herd, Horizonte etc.) and apply new technologies for solving customer problems. You will have an influence on defining product features, drive operational excellence, and spearhead the best practices that enable a quality product. You will get to work with highly skilled and motivated engineers who are already contributing to building high-scale and high-available systems.

If you are looking for an opportunity to work on world-leading technologies and would like to build creative technology solutions that positively impact hundreds of millions of customers, and relish large ownership and diverse technologies, join our team today!

As an engineer you will be responsible for:
• Ownership of product/feature -to- for all phases from the development to the production.
• Ensuring the developed features are scalable and highly available with no quality concerns.
• Work closely with senior engineers for refining the and implementation.
• Management and execution against project plans and delivery commitments.
• Assist directly and indirectly in the continual hiring and development of technical talent.
• Create and execute appropriate quality plans, project plans, test strategies and processes for development activities in concert with business and project management efforts.
• Contribute intellectual property through patents.

The ideal candidate is a passionate engineer about delivering experiences that delight customers and creating solutions that are robust. He/she should be able to commit and own the deliveries -to-.

Tech_SDE