
standing of Java and the different frameworks like Spring, etc., and have experience working on Cloud and Containers.
The Developer will perform duties and tasks to support a complete life cycle management (example: Analysis, Technical
Requirements, Design, Coding, Testing and implementation of Systems, etc.).
The Developer will work closely with the Product and Technical teams across different regions primarily Europe and will
be part of an Agile Team. The role includes research and Continuous Development of new Products based on new Tech-
nologies. This position collaborates with the operations team routinely and henceforth excellent English communication
skills (bothwritten and verbal) are essential.
A clean coder who will always leave the code in better shape than they found it.
A curious person who never stops learning and loves to try new things, even when theydon’t succeed on the
first try
A team-oriented developer with the motivation to bring out the best in others
A person who shares our appreciation for transparency and is willing to share theirexperience and knowledge
for the benefit of the team
Someone who is willing to take a stand for something they believe in.
Somebody that takes pride in their work and knows that development is a craftsmanship
Duties & Responsibilities
Conducts systems and requirements analysis, creates and contributes to task lists, cost and time analysis
Performs assigned functions and tasks to meet project plan and quality review requirements.
Raises issues as appropriate to support effective resolutions.
Analyzes specifications and user requirements to perform assigned applications development work.
Assists with system and componentdesigns to meet requirements.
Participates and documents design and code reviews to improve quality.
Analyzes, designs, codes, tests, and documents to develop application software.
Develops unit tests and unit test plans to deliver quality code.
Performs applications maintenance and support functions to support problem resolution.
Qualifications:
• Bachelor’s degree in Computer Science or IT related field
• 4-7 years of experience working across different product domains in a product development/engineering role
• Good communication skills necessary to manage business requests and work with different teams across differ-
ent geographies and time-zones; experience working with remote and distributed teams will be an added ad-
vantage
• Hands-on working knowledge and experience is requiredin:
a. Java (Spring, Spring Boot, etc.)
b. Experience working in GCP or AWS or Azure
c. Experience working in Containers & Unix Platforms
d. Relational Databases (PostgreSQL, MySQL, SQL, etc.)
e. Messaging (RabbitMQ, ActiveMQ, Kafka etc.)
f. Agile Methodologies (Scrum, TDD, BDD, etc.)
g. Understanding of Microservices Architecture, Domain Driver Design, Test Driven Development and
Secure Design patterns and architecture is a must
h. Data Structures and Algorithms using Java or other Programing Languages
i. Strong organizational skills
j. Agile Methodologies (Scrum, TDD, BDD, etc.)
• Experience with several of the following tools/technologies is desirable:
a. GIT (Bit Bucket, Gitlab, etc.), Jira, Gradle, Maven, Jenkins, SharePoint, Eclipse/IntelliJ.
b. Multiple Java technologies around Spring, Spring Bootetc.
c. Design Patterns and implementing the Design Patterns
d. Development of Complex Application and System Architectures
e. NoSQL Databases (Redis, Mongo, etc.)
f. Experience working with CI/CD pipelines with for example GitHub Actions.
• Knowledge of the following technologies is a plus:
a. Other Programming Languages (NodeJS, etc.)
b. Continuous Integration and Continuous Delivery Tools like Jenkins, Git, etc.
c. Application Servers like Tomcat, etc.
d. HTML5, CSS, AJAX, React
e. Full stack development
f. Secure Development based on OWASP standards

About Cornertree
About
Connect with the team
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Job Title : Python Django Developer
Experience : 3+ Years
Location : Gurgaon (Work from Office)
Job Summary :
We are looking for an experienced Python Django Developer with strong expertise in building scalable web applications and distributed systems. The ideal candidate must have hands-on experience with Django, Redis, Celery, RabbitMQ, PostgreSQL, and Kafka to design and optimize high-performance applications.
Mandatory Skills :
Python, Django, Redis, Celery, RabbitMQ, PostgreSQL, Kafka
Key Responsibilities :
- Design, develop, and maintain web applications using Python & Django.
- Implement asynchronous tasks and background job processing using Celery with RabbitMQ/Redis.
- Work with PostgreSQL for database design, optimization, and complex queries.
- Integrate and optimize messaging/streaming systems using Kafka.
- Write clean, scalable, and efficient code following best practices.
- Troubleshoot, debug, and optimize application performance.
- Collaborate with cross-functional teams (frontend, DevOps, QA) for end-to-end delivery.
- Stay updated with the latest backend development trends and technologies.
Requirements :
- Minimum 3+ years of experience in backend development using Python & Django.
- Hands-on experience with Redis, Celery, RabbitMQ, Kafka, and PostgreSQL.
- Strong understanding of REST APIs, microservices architecture, and asynchronous task management.
- Knowledge of performance tuning, caching strategies, and scalable system design.
- Familiarity with Git, CI/CD pipelines, and cloud deployment (AWS/GCP/Azure) is a plus.
- Excellent problem-solving and communication skills.
Greetings!!
This is Nayana representing Wissen Technology (www.wissen.com)
Job Opportunity with Wissen Technology for Java Technical Lead at Bangalore
Location
Here is the Job Description for your review:
Location: Bangalore
Experience: 9+ years
Skill – Java Technical Lead
Full-time with Wissen Technology
Hybrid model
Position Overview:
We are seeking an experienced Java Lead to join our software development team. As a Java Architect, you will be responsible for designing and leading the development of complex Java-based applications, ensuring scalability, performance, and maintainability. You will collaborate with cross-functional teams, including developers, product managers, and stakeholders, to create robust software solutions that meet our business needs.
Key Responsibilities:
Technical Expertise: A Java lead should have a strong background in Java programming and be well-versed in various Java technologies and frameworks. They should be able to provide guidance, solve complex technical problems, and help team members with code reviews and best practices.
Team Management: Java leads are responsible for managing their development team. This includes tasks like task assignment, project planning, tracking progress, and ensuring that the team adheres to coding standards and follows best practices.
Architecture and Design: They often participate in the architectural and design phases of software development, making high-level decisions about the project's structure, technology stack, and design patterns.
Code Reviews: Regularly reviewing the code written by team members to ensure it meets quality standards, is maintainable, and follows the project's design and coding guidelines.
Mentoring and Training: Providing guidance and mentorship to junior developers, helping them grow their skills, and organizing training sessions to keep the team up-to-date with Java advancements.
Problem Solving: Being able to troubleshoot technical issues and challenges that may arise during the development process.
Communication: Good communication skills are essential for a Java lead. They need to coordinate with other team leads, project managers, and stakeholders to ensure smooth project execution and to report progress.
Project Management: While not always the primary project manager, Java leads often have a role in project planning and tracking to ensure that projects are delivered on time and within scope.
Required Skills:
• Experience in Core Java 5.0 and above, CXF, and Spring.
• Experience in spring boot, and microservices.
• Extensive experience in developing enterprise-scale n-tier applications for the financial domain.
• 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, preferably Sybase database.
• Good knowledge of multi-threading and high-volume server-side development.
• Experience in sales and trading platforms in investment banking/capital markets.
• Basic working knowledge of Unix/Linux
• Excellent problem-solving and coding skills in Java
• Strong interpersonal, communication, and analytical skills.
• Should have the ability to express their design ideas and thoughts.
Desired Skills:
• Prior experience in the Banking & Finance domain is preferred
• Experience in AWS/Azure or any other cloud platform
About Wissen Technology:
Wissen Technology is a 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 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 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 1300+ 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.
Career Progression:
At Wissen Technology, your career growth is important for us. Therefore, we put in several efforts towards each employee’s career progression – to enable and empower them to grow within the company as well as to instil a sense of responsibility, loyalty, and trust.
There have been instances where a software engineer has grown from being an individual contributor to a technical lead and now on the path to becoming a director responsible for growing revenues and profitability. We deeply value Ownership: taking responsibility, making it happen, not letting the ball drop, and being accountable.
Website : www.wissen.com
Why Wissen? : https://www.youtube.com/watch?v=K87DADzVT7g
Wissen Thought leadership: https://www.wissen.com/articles/
Latest in Wissen in CIO Insider :
Employee Speak:
https://www.ambitionbox.com/overview/wissen-technology-overview
LinkedIn: https://www.linkedin.com/company/wissen-technology
About Wissen Interview Process:
More on Wissen:
https://www.wissen.com/blog/here-is-what-ownership-and-commitment-mean-to-wissenites/
Regards,
Nayana KM
Principal Consultant - Talent Acquisition
Wissen
W www.wissen.com
A SaaS startup founded in April 2020.
What’s the opportunity?
Are you a backend developer looking to fast-track your learning and growth? Have you looked at world-class products like Asana, Notion, or Airtable, and felt “I wish I were part of the early team that built these products”?
We’re a team that has previously built and rolled out globally successful SaaS products used by tens of thousands of customers.
We’re laser-focused on delivering a world-class product again, and looking for an ambitious backend engineer to join our existing team of 9 engineers.
If it excites you to think of a fast-paced start-up environment, building something big from scratch, breaking down new problems, creating new APIs, working on performance issues, getting hands-on with DevOps initiatives, and showcasing demos of your work every Friday with a happy and passionate team, then this is the right opportunity for you.
Some of the tech problems you get to work on as a backend engineer would be to build the backend for a modern spreadsheet experience from scratch, work on infra as code, write robust code that is fault-tolerant, work on performant code that adheres to SLOs set by the organization.
About you:
● 3- 5 years of experience
● Expertise in the following areas ○ Java ○ HTTP Protocol
● You’ve heard of or worked with some of the following tech stacks/products
○ Spring
○ PostgreSQL
○ Redis ○ Docker
○ Message brokers
○ GitHub
● These non-functional areas are familiar to you
○ Performance
○ Debugging
○ Log management
Nice to have:
● Familiarity with AWS
What’s in it for you?
● Great opportunity: We genuinely care about everyone we hire. You’ll learn new things and grow no matter how experienced you are; you will be working with founders who have more than three decades of collective experience in building significant B2B SaaS startups.
● Great team: Work with a world-class, high-velocity team that truly embodies the values of empathy, curiosity, and customer-centricity. Check out the MTT(Meet The Team) videos on our LinkedIn.
● Great culture: An open, fun, and exciting startup culture that empowers its people to champion big problems with the freedom to think and innovate.
● Growth: You could easily and quickly transition into other roles you might like.
● Impact: You get to be part of a global, passionate team in a fast-paced and growth-oriented environment. The team has a work philosophy of being high on ambition, ownership, and a bias for action.
● Monetary rewards and benefits: Competitive stipend, flexible leave policy, and more
Job Description:
As a MERN Full Stack Developer, you will be responsible for developing and maintaining web applications using the MERN (MongoDB, Postgresql, Express.js, React, Node.js) stack. You will work closely with our product and design teams to build high-quality, scalable, and efficient solutions.
Key Responsibilities:
- Develop and Maintain Web Applications: Design, develop, and deploy full-stack web applications using the MERN stack.
- API Development and Integration: Create and integrate RESTful APIs.
- Database Management: Design and manage databases using MongoDB.
- Code Quality and Testing: Write clean, maintainable, and efficient code. Implement unit tests and integration tests.
- Collaborate with Cross-functional Teams: Work closely with product managers, designers, and other developers to deliver high-quality products.
- Performance Optimization: Identify and implement performance improvements for existing applications.
- Stay Updated with Industry Trends: Keep abreast of latest trends and technologies in web development.
Required Qualifications:
- Experience: 3-4 years of professional experience as a Full Stack Developer.
- Technical Skills:
- PostgreSQL: Proficient in database design, indexing, and performance optimization.
- Express.js: Solid experience in building and managing APIs and middleware.
- React: Strong knowledge of React and related libraries (Redux, React Router, etc.).
- Node.js: Expertise in server-side development and asynchronous programming.
- HTML/CSS: Proficient in web markup and responsive design.
- JavaScript/TypeScript: Advanced proficiency in JavaScript and TypeScript.
- Version Control: Experience with Git and Git workflows.
- Soft Skills:
- Strong problem-solving abilities and analytical skills.
- Excellent communication and teamwork skills.
- Ability to work in a fast-paced environment and manage multiple tasks.
- Attention to detail and a commitment to delivering high-quality work.
Preferred Qualifications:
- Experience with cloud services (AWS, Azure, Google Cloud).
- Familiarity with CI/CD pipelines.
- Experience with Docker and container orchestration (Kubernetes).
- Knowledge of GraphQL.
- Prior experience in Agile/Scrum development methodologies.
Benefits:
- Competitive salary and benefits package.
- Opportunity to work with a talented and diverse team.
- Professional development opportunities.
· Should have 5 to 6 years of work experience as a Python Developer
· Expertise in at least one popular Python framework (like Django, Flask or Pyramid)
· Knowledge of object-relational mapping (ORM)
· Familiarity with front-end technologies (like JavaScript and HTML5)
· Should have completed B.E/B.Tech. /MCA in any field.
· Good problem-solving skills and Team spirit.
· Writing scalable code using Python programming language.
· Testing and debugging applications.
· Developing back-end components.
· Integrating user-facing elements using server-side logic.
· Assessing and prioritizing client feature requests.
· Integrating data storage solutions.
About Simpl
The thrill of working at a start-up that is starting to scale massively is something else. Simpl (FinTech startup of the year - 2020) was formed in 2015 by Nitya Sharma, an investment banker from Wall Street and Chaitra Chidanand, a tech executive from the Valley, when they teamed up with a very clear mission - to make money simple, so that people can live well and do amazing things. Simpl is the payment platform for the mobile-first world, and we’re backed by some of the best names in fintech globally (folks who have invested in Visa, Square and Transferwise), and has Joe Saunders, Ex Chairman and CEO of Visa as a board member.
Everyone at Simpl is an internal entrepreneur who is given a lot of bandwidth and resources to create the next breakthrough towards the long term vision of “making money Simpl”. Our first product is a payment platform that lets people buy instantly, anywhere online, and pay later. In the background, Simpl uses big data for credit underwriting, risk and fraud modelling, all without any paperwork, and enables Banks and Non-Bank Financial Companies to access a whole new consumer market.
In place of traditional forms of identification and authentication, Simpl integrates deeply into merchant apps via SDKs and APIs. This allows for more sophisticated forms of authentication that take full advantage of smartphone data and processing power.
--------
We’re looking for polyglot developers who love to code. You should have >3 years of experience building high-quality products. You should have the ability to write clean code and must’ve worked on one of Ruby, NodeJS, Golang or Python
Responsibilities
- Develop new features - build POCs, get feedback, and scale is our default mode
- Building reusable and platform specific components
- Translating designs and wireframes into high-quality code
- Optimizing services for maximum performance
- Ensure faster release cycles by managing distribution over the cloud
Requirements
- Hands-on experience in all aspects of software development - analysis, coding, writing tests, deployment, the works.
- Knowledge of relational databases, SQL, ACID and distributed locking
- Solid OOPS understanding.
- Good exposure to building distributed systems, micro-services architecture.
- Continuous delivery experience
- Exposure to building platforms (not just products) would be a plus
| Upgrade existing Java (1.6) application running on Apache Tomcat to new Java (1.8) version and new Apache Tomcat version |
| Make necessary code changes for porting application to new Java versions and Tomcat versions |
| Set up new application environments for Dev, SIT and Production |
| Perform unit testing and support user testing. |
| Deploy new upgraded application in production |
| Provide post implementation support. |
| Analyze and resolve defects coming out of testing and post production deployment. |
| Modify existing application code to use Sql Server as backend. |
| Develop Java code as needed. |
-
Should have experience in full life cycle of Web Application Development in Linux environment using Apache, PHP, MySQL/MSSQL/ Oracle.
-
Hands on experience in these technologies is a must (PHP 5, Ajax, CSS / HTML5 / XHTML , Web development)
-
Should have experience in template engine like smarty and at least one MVC frame work (Laravel / Zend / Symphony / Cake Php / Code Igniter).
-
Should have worked on any of the content management system (Joomla / Drupal / Simple CMS etc)
-
Should have worked on any of one of JS frameworks like YUI, JQuery , MooTools, ExtJS and AJAX
-
Hands on experience with the following PHP modules: PEAR, CURL, SoapClient (WSDL mode), libXML, Memcache, PCRE, SQLITE, etc
-
Ability to write and consume SOAP & REST web services.
-
Create requirement document and work with team members to deliver the application.
-
Knowledge of Version Control Software ;such as SVN/CVS will be preferable.
-
Experience in Architecture Design & Developed of Web Application.
-
Should have experience in web application optimization/caching/DB performance tuning
-
Extensive OOD / OOP experience
-
Ability to propose, advocate and critique design alternatives to determine solutions.
-
Hands-on experience with web application architecture and relational database design Interact with Client to understand business requirement.
-
Hands on knowledge of best practices for cross-platform, cross-browser compatibility.
-
Hands on knowledge of UI optimization techniques and experience of working with UI performance measurement tools like Yslow, Firebux, Fiddler, HTTPWatch, Page Speed, DynaTrace, etc.
Job Description:
- Must have experience of 1 – 6 years.
- Experience in Java/J2EE platform.
- Experience in web application development with JSP, Servlet, Spring Boot, Hibernate
- Knowledge of MySQL database.
- Developed REST and SOAP web services..
- Experience in version control system and build tool
- Must have completed BE/MCA/M.Sc/MTech.

1 to 3 years’ experience in .Net + MVC
• Experience in AngularJS, NodeJS or ReactJS will give an edge
• Database technologies -MySQL/PostgreSQL
• API design & development
• CSS frameworks like Bootstrap or similar
• Write reusable, efficient code
• Added Advantage - AWS
Candidate should be able to join within 15-30 days, is willing to work with a startup, has experience of 2-5 years, and are from Pune.









