
Hands-on experience with Spark and SQL
Good to have java knowledge

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Java Developer – Job Description Wissen Technology is now hiring for a Java Developer - Bangalore 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. - 4 to 7 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.
Technical Expertise
• Proficiency in Node.js or Python – Hands-on experience with backend development frameworks and best practices.
• Expertise in SQL/NoSQL Databases – Strong experience with MySQL, PostgreSQL, MongoDB, or DynamoDB.
• ElasticSearch & API Development – Strong knowledge of REST APIs, ElasticSearch, and high-availability system design.
• Cloud & DevOps – Hands-on experience with AWS, Kubernetes, Docker, and CI/CD pipelines.
• Data Structures & Algorithms – Strong command over data structures, algorithms, OOD, and design patterns.
• Version Control & Deployment – Experience with Git, GitHub Actions, and other deployment systems.
• High-Performance Systems – Implemented solutions that handle high availability, concurrency, and low-latency requirements.
JOB DESCRIPTION:
Location: Pune, Mumbai, Bangalore
Mode of Work : 3 days from Office
* Python : Strong expertise in data workflows and automation
* Pandas: For detailed data analysis and validation
* SQL: Querying and performing operations on Delta tables
* AWS Cloud: Compute and storage services
* OOPS concepts
About FloBiz
Website : https : //flobiz.in/
FloBiz is India's first neobusiness platform, revolutionizing the way Small and
Medium-sized Enterprises (SMEs) operate in India. Our mission is to digitize 65 million
MSMEs in the country, and we are well on our way to achieving this goal. Our flagship
product, myBillBook, has already empowered over 10 million businesses across 2000+
towns with its billing, accounting, inventory management, and payment collection
solutions. With over $25 billion in annual transactions, we are proud to be a rapidly
growing tech startup serving the needs of SMBs in India.
Our Flagship product : MyBillBook
myBillBook is India's leading GST billing & accounting software with mobile, web app & native desktop offerings and runs on Android as well as iOS. myBillBook has been designed to aid SMB owners to conduct their operations from anywhere and anytime and provides a secure platform for business owners to record transactions & track business performance on the go. It is an ideal software for GST registered businesses where invoicing is one of the core business activities. Also, businesses looking to digitise their operations to understand their financial position better can use this software. It helps them create bills (GST & non-GST), record purchases & expenses, manage inventory and track payables/receivables directly from their mobile phones or computers. Also, the app generates 25 critical business reports that help business owners make effective business decisions. myBillBook is currently available in English, Hindi, Gujarati & Tamil.
Currently, the app has been downloaded by over 6.5M SMBs across the country with over 10x growth in user base in the last 12 months alone. Even with such pace of adoption of the product, myBillBook continues to be the highest rated application in its category on Google Play Store.
Key Responsibilities :
• Design, develop, maintain and optimise complex, scalable and distributed systems capable of handling large-scale datasets and high-throughput workloads.
• Optimise performance, reliability and availability across the whole system.
• Write clean, efficient, and maintainable code in multiple programming languages as needed.
• Contribute to architectural decisions and help improve engineering best practices.
• Work with a builder mindset, contribute and collaborate across cross-functional teams, to unblock and accelerate delivery. No role silos.
• Actively mentor juniors through code reviews, design discussions and pairing.
• Leverage LLM-assisted tools (Claude, Cursor, LLM-powered code review and testing) to accelerate development velocity and improve code quality.
• Build and evolve the platform to be LLM-ready - design APIs, data pipelines and system interfaces that enable seamless LLM integration and automation.
Required Qualifications :
• 3-5 years of experience in back-end software development focusing on large-scale distributed systems.
• BE/B.Tech in Computer Science or a related technical field (or equivalent practical experience).
• Strong software development skills in one or more languages such as Java / Ruby on Rails / Python.
• Working experience with SQL and NoSQL databases (e.g. PostgreSQL, MongoDB) with ability to design effective schema and perform various optimisations for large-scale data.
• Deep understanding of system design principles and best practices for building scalable and resilient systems with microservices.
• Excellent problem-solving with experience in incident management, monitoring, alerting, and root cause analysis.
• Experience with event-driven architectures (Kafka, SQS, RabbitMQ, or similar).
• Experience in building intelligent AI agents and systems powered by Large Language Models.
• Hands-on experience with cloud platforms like AWS or Google Cloud Platform.
• Deep understanding of software development best practices, patterns and code reviews.
• Effective communication skills to coordinate with cross-functional teams during large-scale projects.
Perks @ Benefits :
• Competitive salary with performance-linked rewards and recognitions.
• An extensive medical insurance that looks out for our employees & their dependants. Well love you and take care of you, our promise
• Flobiz Academy : Helps you in terms of Learning and enhancing your skills
• A reward system that celebrates hard work and milestones and Performances throughout the year.
• A cool work-from-home setup that makes you feel right at home. An environment so comfortable that you won't miss your home.
Location : Remote (WFH) 5 days working
Java Tech Lead (5–6 Years Experience)
About the Role
We are seeking a highly skilled Java Tech Lead with 5–6 years of hands-on experience in backend engineering, architecture design, and leading development teams.
The ideal candidate will combine strong technical expertise in Java frameworks with a deep understanding of system design, scalability, and performance optimization.
This role involves technical leadership, code reviews, and architectural decision-making for complex enterprise systems — with occasional exposure to analytics-driven and Python-based components.
Key Responsibilities
- Architect, design, and develop scalable backend systems using Java (Quarkus, Spring Boot, Spring, Java EE).
- Own the architecture — ensure modular, extensible, and high-performance service design.
- Lead and mentor a team of developers; conduct code reviews, enforce best practices, and ensure high code quality.
- Collaborate with cross-functional teams (frontend, DevOps, product, data) to deliver integrated, end-to-end solutions.
- Design and optimize database schemas (MySQL, PostgreSQL) and ensure efficient query performance.
- Implement and maintain microservices and distributed systems with strong fault tolerance and observability.
- Drive the adoption of modern development workflows — Git branching strategy, CI/CD, and code quality automation.
- Analyze system performance bottlenecks, implement monitoring, and ensure smooth production deployments.
- Contribute to architecture reviews, technical documentation, and design discussions.
- Occasionally contribute to Python-based analytics modules or automation scripts.
- Work with AWS cloud services (EC2, S3, RDS, Lambda) for deployment, scaling, and infrastructure automation.
Required Skills & Qualifications
- 5–6 years of professional experience in backend application development using Java.
- Strong proficiency in Java frameworks: Quarkus, Spring Boot, Spring, Java EE.
- Proven experience in architecture design, system decomposition, and microservices design principles.
- Solid understanding of object-oriented design (OOD), design patterns, and SOLID principles.
- Strong experience with relational databases (MySQL, PostgreSQL) and query optimization.
- Good understanding of event-driven systems, RESTful APIs, and asynchronous processing.
- Proficiency in Git for version control and team collaboration.
- Strong analytical and debugging skills; ability to diagnose complex production issues.
Good to Have
- Hands-on experience with Python for data processing or analytics integrations.
- Familiarity with AWS cloud architecture and cost optimization practices.
- Experience with CI/CD pipelines (GitHub Actions, Jenkins, GitLab CI).
- Knowledge of Docker/Kubernetes for containerized deployments.
- Exposure to NoSQL databases (MongoDB, DynamoDB, Cassandra).
- Experience with message queues (Kafka, RabbitMQ, or AWS SQS).
- Understanding of system scalability, caching (Redis/Memcached), and observability stacks (Prometheus, Grafana, ELK).
Soft Skills
- Strong leadership, mentoring, and communication skills.
- Proven ability to drive technical decisions and balance short-term delivery with long-term architectural health.
- Collaborative mindset — works closely with product, design, and operations teams.
- Passion for clean architecture, high performance, and continuous improvement.
- Self-driven with a strong sense of ownership and accountability.
JOB REQUIREMENTS:
- C#
- SQL
- FTF
QUALIFICATIONS ANS SKILLS:
BSc/BA in Computer Science, BCA, Engineering or a related field
1-3 years of web development experience.
Relevant E-com industry Experience.
Experience in JavaScript, HTML, CSS is a plus
RESPONSIBILITIES
Create and test applications for websites.
Maintaining the appearance of websites
Implementing automated testing platforms and unit tests.
Maintain and update websites
Troubleshoot website problems.
Designation: Magento Developer / Sr. Magento Developer
Experience: 3+yrs
Location: Anywhere in India ( WFH for now for next 8-10months)
No. of Positions: 2
Notice Period: Immediate / Less than 30days (Do not share which is above this notice period)
Job Description:
Magento Developers with 3+ years of experience
1) Should have hands-on experience in Magento module/extension development
2) Should be able to quickly understand existing custom modules in Magento and customize and manage it further.
3) Hands-on experience in developing and consuming API/REST calls both inbound and outbound within Magento
4) Should know how to develop WebService/API/REST calls as per Magento architecture, coding standard
5) Troubleshooting integration issues from API/REST calls.
6) Excellent knowledge of PHP, JavaScript, HTML5, and CSS.
7) Good working experience on MySQL, developing complex SQL queries, design tables/database for complex business models
8) Knowledge of MVC, OOPs, Design Patterns – especially the design patterns used in Magento
9) Knowledge of Magento theming / UI components is preferred.
10) Hands-on experience with Magento 2 Porto Theming
11) Knowledge of deployment process in Cloud, especially for Magento
12) Should be competent and confident to speak up in team meetings, discussions, war rooms
13) Good command of English language
14) Should be able to work under minimal supervision
15) Should be able to coordinate with other teams and collectively solve issues.
16) Should be able to work independently as well as team
17) Candidate should have prior work experience in Magento Enterprise.
| Python |
| FastAPI / Django Framework |
| Database concept, API & SQL's |
| SSO, Oauth2, JWT, Microservices |
| MVC, ORM |
| 1) Write effective, scalable code |
| 2) Develop back-end components to improve responsiveness and overall performance Integrate user-facing elements into applications. |
| 3) Test and debug programs. |
| 4) Improve functionality of existing systems. |
| 5) Implement security and data protection solutions. |
| 6) Assess and prioritize feature requests. |
| 7) Coordinate with internal teams to understand user requirements and provide technical solutions |
| 8) Debugging programs and integrating applications with third-party web services. |
Work Location: Hyderabad
Experience:7 to 10 Years
Package:8 to 15 LPA
Notice Period:Immediate Joiners
Its a Full Time Opportunity with Our Client
Mandatory Skills:.Net Core,Angular,SQL Server,Web Services & CI/CD
Job Responsibilities
--Should be a strong Microsoft. Net developer with overall 7+ years of experience
--2+ years hands-on experience in Microsoft. Net frameworks and Microsoft. Net Core
--Experience in designing and developing web applications using Microsoft. Net Frameworks and JavaScript frameworks like React/Angular/jQuery
--Strong experience and excellent knowledge in Microsoft. Net
--Hands on experience in Microsoft. Net Core Framework
--Experience in UI frameworks like jQuery/React/Angular
--Hands on experience in writing web services
--Experience in writing optimized SQL Queries, Procedures, Functions in SQL Server, MySQL
--Experience in using Jenkins/Octopus for CI & CD
--Experience in HTML, XML, CSS
--Good team player with problem-solving, trouble-shooting capabilities and documentation skills.
--Self-Motivated, Fast learner with strong interpersonal and communication skills.










