
Company Name – Wissen Technology
Group of companies in India – Wissen Technology & Wissen Infotech
Work Location - Bangalore/Mumbai
Java Developer – Job Description
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+ 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:
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 1200+ 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 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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Requirements:
- Must have experience on VC++ / C++ application programming, Visual Studio.
- Should have thorough knowledge in OOPS (Object-Oriented Programming) concept.
- Should have a strong technical background on Windows or Linux
- Should be familiar with MFC, STL, COM, Multi-threading, Socket programming, Data structures.
- Candidates with Financial domain /capital market experience would be an added advantage.
🚀 Job Title : Backend Engineer (Go / Python / Java)
Experience : 3+ Years
Location : Bangalore (Client Location – Work From Office)
Notice Period : Immediate to 15 Days
Open Positions : 4
Working Days : 6 Days a Week
🧠 Job Summary :
We are looking for a highly skilled Backend Engineer to build scalable, reliable, and high-performance systems in a fast-paced product environment.
You will own large features end-to-end — from design and development to deployment and monitoring — while collaborating closely with product, frontend, and infrastructure teams.
This role requires strong backend fundamentals, distributed systems exposure, and a mindset of operational ownership.
⭐ Mandatory Skills :
Strong backend development experience in Go / Python (FastAPI) / Java (Spring Boot) with hands-on expertise in Microservices, REST APIs, PostgreSQL, Redis, Kafka/SQS, AWS/GCP, Docker, Kubernetes, CI/CD, and strong DSA & System Design fundamentals.
🔧 Key Responsibilities :
- Design, develop, test, and deploy backend services end-to-end.
- Build scalable, modular, and production-grade microservices.
- Develop and maintain RESTful APIs.
- Architect reliable distributed systems with performance and fault tolerance in mind.
- Debug complex cross-system production issues.
- Implement secure development practices (authentication, authorization, data integrity).
- Work with monitoring dashboards, alerts, and performance metrics.
- Participate in code reviews and enforce engineering best practices.
- Contribute to CI/CD pipelines and release processes.
- Collaborate with product, frontend, and DevOps teams.
✅ Required Skills :
- Strong proficiency in Go OR Python (FastAPI) OR Java (Spring Boot).
- Hands-on experience building Microservices-based architectures.
- Strong understanding of REST APIs & distributed systems.
- Experience with PostgreSQL and Redis.
- Exposure to Kafka / SQS or other messaging systems.
- Hands-on experience with AWS or GCP.
- Experience with Docker and Kubernetes.
- Familiarity with CI/CD pipelines.
- Strong knowledge of Data Structures & System Design.
- Ability to independently own features and solve ambiguous engineering problems.
⭐ Preferred Background :
- Experience in product-based companies.
- Exposure to high-throughput or event-driven systems.
- Strong focus on code quality, observability, and reliability.
- Comfortable working in high-growth, fast-paced environments.
🧑💻 Interview Process :
- 1 Internal Screening Round
- HR Discussion (Project & Communication Evaluation)
- 3 Technical Rounds with Client
This is a fresh requirement, and interviews will be scheduled immediately.
We are looking for a Java Backend Developer to join our team. You will be responsible for developing and maintaining the server-side logic and databases of our applications, ensuring they run smoothly and efficiently.
Responsibilities:
- Write and maintain server-side code using Java.
- Develop and integrate APIs to support frontend functionality.
- Work with databases to store, retrieve, and manipulate data.
- Troubleshoot, debug, and optimize backend performance.
- Collaborate with frontend developers to integrate backend and frontend systems.
- Write unit tests to ensure code quality.
Required Skills:
- Strong experience with Java.
- Familiarity with Spring Boot or other Java frameworks.
- Knowledge of relational databases (e.g., MySQL, PostgreSQL).
- Understanding of REST APIs.
- Experience with version control systems (e.g., Git).
- Basic knowledge of unit testing (e.g., JUnit).
Preferred Skills:
- Familiarity with Microservices and cloud platforms.
- Experience with Docker and containerization.
Key roles:
· Develop backend application with clean code practices foe the application
· Collaborate with frontend developers to integrate user-facing elements with server side logic
· Troubleshoot and debug application
· Gather and address technical and design requirements
· Build reusable code and libraries for future user-facing
· Communicate with other third-party team for collaborations
Skillset:
· Core Java - Hands on experience with Jdk 11 and above
· Experience with code hosting and collaboration tools like Bitbucket/Github/GitLab
· Microservice architecture - Rest API calls, inter-service exception handling
· Non-relational DB - MongoDB basic DB commands to insert, update, delete, find records and Indexing
· Springboot framework - Spring Data JPA, ORM
· Event driven architecture - Kafka
· Tools like Postman, Jenkins, Doppler, IDE, MongoDB atlas
Qualifications:
· UG: B.Tech/B.E. in Any Specialization, B.Sc in Any Specialization, BCA in Any Specialization
· PG: Any Postgraduate
3.6 Years in Java experience mandatory.
Looking for immediate joiners
Role Description
This is a full-time on-site role for a Java Software Engineer located in Pune. As a Java Software Engineer, you will be responsible for software development, microservices, programming, Spring Framework, and Java. Your day-to-day tasks will include designing and implementing software solutions, debugging and testing code, developing and maintaining technical documentation, and collaborating with cross-functional teams to deliver high-quality solutions.
Qualifications
- Proficiency in Software Development and Programming
- Experience with Microservices Architecture and Spring Framework
- Expertise in Java programming language
- Excellent problem-solving skills and attention to detail
- Bachelor's or Master’s degree in Computer Science, Computer Engineering, or a related field
- Experience in agile development methodologies is a plus
- Experience with cloud technologies such as AWS or Azure is a plus
Roles and Responsibilities
- Developing custom layer code based on solution designed following standard coding practice and
- Needs to adhere to committed delivery timelines
- Sharing status update to supervisors on time
- Needs to interact with customer for issue analysis & resolution related to Product & Interfaces developed
- Issue/log analysis and fixing- Innovate and create re-usable component
Desired Candidate Profile
- Education: B. Tech/MCA
- Good analytical and problem solving skills
- Knowledge of reporting tool like JASPER
- Hands on experience in Core Java[Threading, Collections, Exception handling]
- Strong in OOPs concept
- JSP, Spring Core, MVC, Hibernate, J Query
- Basic knowledge of SQL, PLSQL
- Writing and maintaining unit test cases
- Technical architecture
- log analysis, l1/l2
- Custom layer development
Location: Noida (currently WFH)
Compensation: commensurate to experience and technical skills
To apply for this position, write to shweta.gupta@invokhr. Share your updated resume along with following details:
- Current CTC
- Expected CTC
- Availability to join (immediate joiners preferred)
- Key skills
- Any other highlight for your fitment to the position
Senior Software Engineer, Java/Python (Bangalore, Remote option available)
4+ years of experience
Zepto
Why should you look at this role?
Salary 40-55 lakh per annum
Paid leave
Sick leave
Provident Fund
What Else?
- High growth startup in quick commerce space (10 min delivery)
- Given our very high hiring bar, we offer a very competitive salary and substantial equity to create everlasting wealth for our early believers as the company grows.
- Work on real world logistics problems & benefit from the rocket ship Zepto is!
Tech Team: 40-50 (200+ in few months)
About the Employer
Zepto is a fast-growing startup that delivers products in 10 minutes through an optimised network of dark stores that we're building across the country!
Just 6 months after launching, we've raised $160 million from marquee
investors in Silicon Valley and India. Our investors include Y Combinator, Nexus Venture Partners, and many more! We’ve built out one of the best startup teams in India, with Senior Executives from Uber, Flipkart, Dream11, PhonePe, Goldman Sachs, Pepperfry, and institutions like Stanford, INSEAD, IITs, and IIMs.
The magic of Zepto is our ability to consistently deliver 2,500+ products in 10 minutes flat. It's the core of what we do, and the reason why we’ve been able to grow so fast with phenomenal customer love. Our mission is simple: to make 10-minute delivery the new normal.
Funding:
Funding Zepto has raised a total of $160M in funding over 3 rounds.
Their latest funding was raised on Dec 20, 2021 from a Series C round.
Employer Reviews:
“High Ownership, Lots of Learning, Broad Roles, Accessible Leaders”
"Alot of benefits like ZeptoJoy coupon, internet bill reimbursement and cab reimbursement is also taken care of. Overtime is paid."
Reporting structure:
Software Engineer -> Sr Software Engineer -> Lead -> EM -> AD / Director / VP -> Head of Engineering -> CTO
This role would be by and large a Individual Contributor role.
Interview Process:
- Round 1. Problem Solving + CS Fundamentals (60 mins)
- DS/Algo Problems (30 mins) - You can expect 1-2 Leetcode easy/medium questions
- CS Fundamentals (30 mins)
- Round 2. Low Level Design (60 mins)
- You would be given a trivial problem and expected to work through the low level design viz class structure, interfaces, db data models etc.
- Round 3. High Level Design (60 mins)
- You will be given a trivial problem, where we would work with you to design the system for the problem statement. We expect the detailed flow of the Functionality
- Extract APIs, if any
- Database choices
- Schema design and Scale the system, if time permits
- You will be given a trivial problem, where we would work with you to design the system for the problem statement. We expect the detailed flow of the Functionality
What You will do Everyday?
- Work very closely with the Tech Leadership and lead end-to-end development.
- Closely collaborate with product, design and business teams to understand product ideas and business needs and help deliver these as a series of ultra fast experiments.
- Architect and implement backend services with high reliability and scalability.
- Contribute to system architecture and database design.
- Set up best practices for development and champion their adoption.
- Write quality documentation and handle conflicts well to build consensus.
- Learn about new technologies and incorporate them.
- Mentor young minds and foster team spirit
Your Superpowers
- 4+ years of experience with Java frameworks like Spring / Dropwizard/Play or Python frameworks like Django/Flask/FastApi and databases like PostgreSQL/MySQL/MongoDB
- Experience in building highly scalable customer-facing applications that involve implementing complex business flows and dealing with an ever-increasing scale
- Extensive experience in object-oriented design skills, knowledge of design patterns, and huge passion and ability to design intuitive module and class-level interfaces.
- Experience in service-oriented architecture design.
- Experience building at least one application from scratch.
- Experience with cache store/message broker like Redis / RabbitMQ/Kafka
- Interest in learning new languages/framework as needed.
- Worked in a startup environment with high levels of ownership and commitment.
- A growth mindset and passionate about building things from the ground up and most importantly, you should be fun to work with.
Job Description
Primary Skills
- Server Side (Java) & AWS serverless framework.
- Must have hands-on experience on serverless framework.
- Design knowledge/experience of cloud-based web application. Familiarity with software design representation tools like astah, visio etc.
- Must have good experience on AWS (Overall knowledge, EC2 Volume, EC2 Security Group, EC2 AMI, Lambda, S3, AWSbackup, CloudWatch, CloudFormation, CloudTrail, IAM, SecretsManager, StepFunction, CostExplorer, KMS, VPC/Subnet)
- Understanding business requirements w.r.t UI/UX.
- Working experience on development/staging/production servers.
- Good testing and verification skills
- Knowledge on SSL certificates and encryption.
- Knowledge on Docker containerization.
Soft Skills
- Excellent interpersonal, oral and writing communication skills.
- Strong Analytical and Problem-solving skills.
- Should have skills to understand and analyzecustomers requirements and expectations.
- Must have experience in interaction with customer
- Work experiences with international cross-culture teams (Good to have)
Secondary SKills
- Scripting using Python
- Good to have knowledge of identity management
- UI/UX
- Knowledge of ReactJS/typescript/bootstrap
- Understanding business usecases w.r.t UI/UX
- Fixing issues wrt to integration on cloud(front end/back end/system/services APIs)










