

Experience: 5+ Years
• Experience in Core Java, Spring Boot
• Experience in microservices and angular
• Extensive experience in developing enterprise-scale systems for global organization. Should possess good architectural knowledge and be aware of enterprise application design patterns.
• Should be able to analyze, design, develop and test complex, low-latency client-facing applications.
• Good development experience with RDBMS in SQL Server, Postgres, Oracle or DB2
• Good knowledge of multi-threading
• Basic working knowledge of Unix/Linux
• Excellent problem solving and coding skills in Java
• Strong interpersonal, communication and analytical skills.
• Should be able to express their design ideas and thoughts

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.
Connect with the team
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Strong written/verbal communication skills
· Minimum 2-15 Years of Core Java Programming with Collections Framework, Concurrent Programming, Multi-threading (Good knowledge in Executor service, Forkjoin pool and other threading concepts)
· Good knowledge of the JVM with an understanding of performance and memory optimization.
· Extensive and expert programming experience in JAVA programming language (strong OO skills preferred).
· Excellent knowledge on collections like, Array List, Vector, LinkedList, Hashmap, HashTable, HashSet is mandate.
· Exercised exemplary development practices including design specification, coding standards, unit testing, and code-reviews.
· Expert level understanding of Object-Oriented Concepts and Data Structures
· Good experience in Database (Sybase, Oracle or SQL Server) like indexing (clustered, non-clustered), hashing, segmenting, data types like clob / blob, views (materialized), replication, constraints, functions, triggers, procedures etc.
Please share your updated CV with the the below details:
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Available for F2F Interview - Y/N :
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Regards,
Rashmi
Work With Us
Get To Know Us First!
Freecharge a subsidiary of Axis Bank Limited founded in 2010, is a Fin-Tech organisation revolutionizing Financial Products through technology.
At our core, we’re a creative company. Ideas and pixels is where we live and we love building magical products that make our users feel ‘wow’. At Freecharge, you'll have the chance to do the best work of your life. We’re on a journey to build something new, something different and something innovative & that requires passion to build such incredible products.
Come join us and shape the future of Fin-Tech.
Do You Make The Cut?
We are looking for a motivated developer to join our agile team of developers as a Lead to mentor and as an individual contributor to drive best practices in the product.
You will be responsible for the design, architecture, and delivery of a feature/product with the highest quality. Providing the product with visible benefit to end-users in an iterative fast-paced environment by creating solutions suitable for the job in real-time.
Title: Lead SDE (Backend)
Location: Gurugram
Experience: 3-7 Yrs.
Education: Bachelor’s / Master’s in Software Engineering
Responsibilities
- In this lead role, you will be designing and developing complex software systems that have been successfully delivered to customers.
- Ensure the quality of design of systems by serving as a technical lead on our most demanding, cross-functional teams
- Build reusable code and libraries for future use.
- Build highly available, high performance, scalable software and you will work on distributed systems for massive-scale systems
- Responsible for code quality of the product being developed along with unit and integration testing.
- Mentor junior developers to improve their skills, and make them more effective, product software engineers.
- Communicate with technical teams, and senior management to collect requirements, describe software product features, technical designs, and product strategy.
Sounds Like You?
- 4+ years of software development experience with Enterprise Java (JDK 8 and above), Spring (Boot, MVC, AOP, DI), ORM Frameworks.
- 1+ years of experience contributing to the architecture and design (LLD, HLD, Solid principles and design patterns and scaling) of new and current systems.
- Strong experience in technically leading junior developers with a focus on the goal.
- Strong experience in data structures & algorithms and their space & time complexities.
- Solid understanding of multithreading, microservices, MVC and strong OO skills with demonstrated experience in developing complex and reusable APIs.
- Strong experience working with Databases like SQL & NoSQL.
- Experience working with microservices-based architecture.
- Experience in high traffic, highly scalable distributed system designs, complex web applications, and code reviews.
- Experience working in an Agile environment.
- Solid understanding of the full software development life cycle and the domain.
- Good to have knowledge of messaging systems like SNS/ SQS /Kafka etc.
Life at Freecharge!
Our Playground!
- 450+ FCian’s, at Gurugram & Bengaluru locations
- Collaboration spaces & A flat and transparent culture
- Wow Corners, fun & reading Zone
- Best learning and development opportunities
Benefits
- Day-care facility
- Comprehensive Insurance Policy
- Wellness Benefits like Health check-ins
- 26 Weeks Maternity & 2 Weeks Paternity Leaves
- Adoption Assistance Program
- On-Site Parking at all locations
- A chance to have a big impact early in your career
ARE YOU READY?
TO
#ChargeYourFuture
About - The company is an online discovery platform that offers direct-to-home product trials for D2C brands.
Location- Bangalore
Series- B
Responsibilities
- Lead simultaneous development for multiple business verticals.Design & develop highly scalable, reliable, secure, and fault-tolerant systems.Ensure that exceptional standards are maintained in all aspects of engineering.Collaborate with other engineering teams to learn and share best practices.Take ownership of technical performance metrics and strive actively to improve them.Mentors junior members of the team and contributes to code reviews.
Requirements
- A passion to solve tough engineering/data challenges.Be well versed with cloud computing platforms AWS/GCPExperience with SQL technologies (MySQL,PostgreSQL)Experience working with NoSQL technologies (MongoDB,ElasticSearch)Excellent Programming skills in Python/Java/GoLangBig Data streaming services (Kinesis ,Kafka ,RabbitMQ)Distributed cache systems (Redis ,Memcache)Advanced data solutions (BigQuery, RedShift, DynamoDB, Cassandra)Automated testing frameworks and CI/CD pipelinesInfrastructure orchestration(Docker/Kubernetes/Nginx)Cloud-native tech like Lambda,ASG,CDN,ELB,SNS/SQS,S3 Route53 SES


Python Backend Developer (5+ years experience)
We are seeking an experienced Python Backend Developer with at least 5 years of hands-on experience in Python and Django development. The ideal candidate will have a strong background in MySQL and MongoDB databases, as well as knowledge of HTML, CSS, JavaScript frameworks, and cloud technologies like AWS, Azure or Google Cloud.Key Responsibilities:
- Design and develop scalable, high-performance Python applications using the Django framework
- Write clean, maintainable, and well-documented code
- Optimize database queries and schema design for improved performance
- Integrate applications with various APIs and third-party services
- Collaborate with cross-functional teams to gather requirements and deliver solutions
- Participate in code reviews, testing, and deployment processes
- Continuously learn and stay updated with the latest technologies and best practices
Required Skills and Experience:
- Bachelor's or Master's degree in Computer Science, Information Technology or a related field
- 5+ years of professional experience in Python and Django development
- Proficient in MySQL and MongoDB databases, with the ability to write complex queries and optimize database performance
- Hands-on experience with HTML, CSS, and at least one JavaScript framework (e.g., React, Angular, Vue.js)
- Knowledge of cloud technologies like AWS, Azure, or Google Cloud is preferred
- Strong problem-solving and algorithmic skills
- Excellent communication and teamwork skills
- Passion for continuous learning and innovation
Preferred Qualifications:
- Experience in developing and deploying applications on cloud platforms
- Knowledge of containerization technologies like Docker and Kubernetes added advantages
JOB DESCRIPTION:
- Experience range – 4 to 7 years
- Good understanding of software engineering practices, SDLC.
- Strong in analytical, design and problem-solving skills, with a strong desire to create new things, dive in wherever there’s a need and learn new things
- Hands-on experience in Java / J2EE application development using open-source frameworks like Spring.
- Experience in unit test frameworks like JUnit
- Need to optimize code and test programming modules
- Excellent Object-Oriented Analysis & Design skills.
- Must have experience in Software design using design patterns. Exposure to technical solutions will be an advantage
- Must have experience in relational database technologies with experience on databases such as PostgreSQL, MySQL
- Strong proficiency with Java programming - Must have experience on Micro-Services using Spring boot.
- Good to have experience in JavaScript
- Good to have previously worked on distributed systems
- Good to have a working knowledge of Redis
- Good to have exposure to stream processing and functional programming
- Strong sense of ownership and accountability.
- Excellent communication and teamwork skills
ROLES & RESPONSIBILITIES:
- Lead a team of 4- 8 engineers closely with complete authority and accountability to deliver high-quality software products in a fast-paced environment.
- Lead your team to design and develop applications based on Microservices architecture.
- Guide your team members on the latest technologies including Java, Spring, Spring-Boot, Angular, Hibernate, Redis, Hazelcast, Bootstrap, jQuery etc.
- Leverage development tools including AWS, GIT, Nginx, Jira, Confluence, Jenkins etc.
- Collaborate with other technical managers, architects, and product owners to build an integrated enterprise-class software product suite
Skills
- Java, Spring Boot – Must, Spring Data, ReactJS, DevOps, HTML5, CSS3, JavaScript ES6 & above – Good to have

● Responsible for developing high end web applications in various areas related to
SAAS (Software as a service)
● Developing ideas for new programs, products, or features by monitoring industry
developments and trends
● Collaborating with the front-end developers and other team members to establish
objectives and design more functional, cohesive codes to enhance the user
experience
● Liaise with developers, designers and customer success teams to identify new
features
● Should have experience to integrate & customize third party plugins
● Knowledge of SaaS or e-commerce industry will be preferred
Required Skills:
● 5-7 years’ experience as a Sr. Web Developer in developing web applications
● Strong experience in PHP, MySQL, Laravel, Rest APIs, Ajax & jQuery
● Good exposure in Payment Gateway process
● Should have good exposure in Server Setup, AWS Console, Digital Ocean,
Handling DNS and Linux/Ubuntu command line
● Fluency or good understanding of Nodejs & MongoDB will be preferred
● In-depth understanding of the entire web development process such as design,
development and deployment
● Familiarity with front-end languages like HTML, JavaScript and CSS
● Strong understanding of the web development and programming techniques and tools
● Focus on efficiency, user experience, and process improvement
● Excellent analytical and time management skills
● Excellent communication and problem-solving attitude
● Familiarity with SaaS Products is a plus
● Degree from IT/Computer Science background is preferred
Skill: AWS, Java, Microservices
Experience: 3-7 Yrs
Location: Noida
Notice Period: Immediate/ 15 days

We are looking for Wordpress Developer responsible for managing back-end and the interchange of data between the server and the users.
Your primary focus will be customizing and maintenance of existing plugin/theme, create new as per requirement and ensuring high performance and responsiveness to requests from the front-end. You will also be responsible for integrating the modules and plugins built by your co-workers into the application. Therefore, a basic understanding of PHP is necessary as well.
Responsibilities
- Build efficient, testable, and reusable wordpress modules
- Solve complex performance problems and architectural challenges
- Integration of data storage solutions
- Manage and update theme as per requirement
Skills
- Strong knowledge of wordpress
- WooCommerce plugin
- Understanding the fully synchronous behavior of PHP
- Understanding of MVC design patterns
- Basic understanding of front-end technologies, such as JavaScript, HTML5, and CSS3
- Knowledge of object oriented PHP programming
- Understanding accessibility and security compliance
- Strong knowledge of the common PHP or web server exploits and their solutions
- Understanding fundamental design principles behind a scalable application
- Familiarity with limitations of PHP as a platform and its workarounds
- Creating database schemas that represent and support business processes
- Familiarity with SQL databases and their declarative query languages
- Proficient understanding of code versioning tools, such as Git

