


Primary Responsibilities:
- Principal Engineers are responsible for driving Technology and Engineering Best Practices in their respective teams.
- They should demonstrate a high level of ownership and accountability for their product and software systems.
- They are expected to go above and beyond their role by contributing in tools, processes and practices which bring operational efficiency and are aligned with business goals.
- They are expected to actively participate in development along with team members and create systems and modules which represent a working model of engineering best practices.
- They are expected to participate in code reviews, design reviews, architecture discussions.
- They are responsible for the Engineering metrics/health of their systems including strong alerting and monitoring mechanisms.
- They are expected to lead the adoption of best practices around coding, designing, performance of systems in a team.
Experience or Skills Required:
- B.Tech or Advanced degree in Computer Science with 6-12 years of industry experience in product based companies.
- Proficiency with Basic libraries for machine learning such as scikit-learn and pandas
- Experience in building solutions based on Linear Regression, Logistic Regression, K Nearest neighbor, SVM, Random Forest, Decision Trees.
- Strong experience with at least one of programming languages: Python, Java, Vertx, Golang
- Strong experience in building Server side reusable components based on Microservices or Distributed Architecture.
- Solid coding skills with ability to lead teams in identifying clearing tech debts for large scale code base.
- Good understanding & experience in improving performance of scalable and real time responsive applications.
- Excellent Problem Solving skills and an aptitude to approach problems from first principles and build solutions for those.
- Must have excellent communication (verbal & written), interpersonal, leadership, and problem solving skills.
- Must be able to work independently and enjoy working at a fast paced start-up environment
- Excellent Mentoring skills. Be the technical mentor to your team.
- Must be comfortable working in fuzzy environments where boundaries are not clearly defined.

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Backend - Software Development Engineer III
Experience - 7+ yrs
About Wekan Enterprise Solutions
Wekan Enterprise Solutions is a leading Technology Consulting company and a strategic investment partner of MongoDB. We help companies drive innovation in the cloud by adopting modern technology solutions that help them achieve their performance and availability requirements. With strong capabilities around Mobile, IOT and Cloud environments, we have an extensive track record helping Fortune 500 companies modernize their most critical legacy and on-premise applications, migrating them to the cloud and leveraging the most cutting-edge technologies.
Job Description
We are looking for passionate software engineers eager to be a part of our growth journey. The right candidate needs to be interested in working in high-paced and challenging environments leading technical teams, designing system architecture and reviewing peer code. Interested in constantly upskilling, learning new technologies and expanding their domain knowledge to new industries. This candidate needs to be a team player and should be looking to help build a culture of excellence. Do you have what it takes?
You will be working on complex data migrations, modernizing legacy applications and building new applications on the cloud for large enterprise and/or growth stage startups. You will have the opportunity to contribute directly into mission critical projects directly interacting with business stakeholders, customer’s technical teams and MongoDB solutions Architects.
Location - Chennai or Bangalore
- Relevant experience of 7+ years building high-performance back-end applications with at least 3 or more projects delivered using the required technologies
- Good problem solving skills
- Strong mentoring capabilities
- Good understanding of software development life cycle
- Strong experience in system design and architecture
- Strong focus on quality of work delivered
- Excellent verbal and written communication skills
Required Technical Skills
- Extensive hands-on experience building high-performance web back-ends using Node.Js and Javascript/Typescript
- Strong experience with Express.Js framework
- Working experience with Python web app development or python scripting
- Implementation experience in monolithic and microservices architecture
- Hands-on experience with data modeling on MongoDB and any other Relational or NoSQL databases
- Experience integrating with any 3rd party services such as cloud SDKs (AWS, Azure) authentication, etc.
- Hands-on experience with Kafka, RabbitMQ or any similar technologies.
- Exposure into unit testing with frameworks such as Mocha, Chai, Jest or others
- Strong experience writing and maintaining clear documentation
Good to have skills:
- Experience working with common services in any of the major cloud providers - AWS or GCP or Azure
Technical certifications in AWS / Azure / GCP / MongoDB or other relevant technologies
Roles and Responsibilities;-
- Include managing Java/Java EE application development while providing expertise in the full software development lifecycle, from concept and design to testing.
- Designing, developing and delivering high-volume, low-latency applications for mission-critical systems
Framework required – spring boot, Hibernate
Skills - Should have knowledge of JPA, js, Ajax

Kognitos is a cutting-edge automation platform that combines the power of Generative AI and Natural
Language Processing (NLP) to provide a conversational and intuitive experience for business users. As a
fully serverless, SaaS automation platform, Kognitos enables users to build, manage, and execute
automations in natural language, with the ability to process and understand domain-specific language.
Kognitos provides a detailed auditable view of its runs, allowing users to gain insights into why an action
happened or what might have gone wrong in case of an exceptional situation. Additionally, Kognitos's
conversational exception handling, powered by Generative AI, allows for quick and easy resolution of
unexpected system errors or business exceptions.
Responsibilities:
- Develop and maintain the backend infrastructure for our applications using Python and AWS Serverless
technologies.
- Collaborate with cross-functional teams to design and implement scalable and robust systems, including
microservices and cloud-based architectures.
- Ensure the reliability, scalability, and performance of the backend systems through monitoring and
optimization.
- Create and maintain database schema and queries to support the application features.
- Write unit and integration tests for the backend code and ensure code quality through code reviews.
- Continuously improve the software development process by incorporating best practices and modern
software development methodologies, such as Agile, DevOps, and CI/CD.
- Investigate and troubleshoot production issues and provide timely solutions to minimize downtime and
ensure smooth operations.
- Participate in architectural discussions and contribute to the development of technical solutions and best
practices.
- Stay up to date with the latest technologies and trends in software development and recommend
improvements to the technology stack to increase efficiency and scalability.
- Work in a fast-paced, collaborative environment with a focus on delivering high-quality software that
meets customer needs.
Required Experience/Skills:
- B.S. or higher degree in Computer Science/Engineering or similar field or equivalent work experience
- 4-20 years of industry experience (or equivalent)
- Proficient in Python programming language
- Experience with modern software development practices and methodologies, including Agile, DevOps,
and Continuous Integration/Continuous Delivery (CI/CD).
- Experience with large-scale distributed systems, microservices, and cloud-based architectures.
- Strong understanding of software design patterns, algorithms, data structures, and database technologies.
- A natural problem solver, with the ability to identify problems and lead the development of a solution.
Card91 is simplifying business payments by providing a plug and play issuance infrastructure
to businesses for domestic and cross-border payments. Our full stack platform enables
businesses to gain control and visibility into their payment flows, controlling the entire payment
lifecycle from onboarding, to issuance, to transaction and data reconciliation. The platform
aims to provide holistic solutions around payment issuance and distribution management. Our
deep focus in payments will help us in bringing new issuance formats as well as technologies
to businesses.
The company has been founded by seasoned technology entrepreneurs who have founded
successful companies like Myntra, Mastiff Technologies earlier. Headquartered in Bangalore,
with presence in Mumbai and NCR, Card91 aims to disrupt the payment infrastructure space
in the issuer-processor segment.
Position: Java Developers
We are building our core team which will be responsible for a highly scalable, always available
microservices based backend for payment processing. The developer will be involved with the
design, implementation, and execution from day one and build a robust, secure, and scalable
payment processing engine.
Roles & Responsibilities
● Individual Contributors talking full ownership of the micro services
● Design and Implement the micro services from scratch
● Be creative and always try to evaluate new strategies to execute faster
● Team player and always eager to teach new team members about the code, structure
and design
● Not afraid of bringing new designs (even languages) which will make the system
execute faster
Experience and Qualifications
● Having 2 - 5 years of experience
● Degree from a premier institute like IIT/NIT/BITS is desirable
● A strong expertise in Java/Spring/Spring Boot/Hibernate/Java
● Experience in developing highly scalable and reliable web applications, including
integration with internal and external systems.
● Experience building web services in REST with technologies like Spring Boot, Spring-
WS, spring MVC or JAX-RS
● Should be able to write test cases (unit and functional) to cover most of the code
● Experience in databases like MySQL and NoSQL db like Cassandra, etc.
● Experience with Cloud computing AWS & Microservices architecture
● Exposure to front end technologies like VueJS, ReactJS etc is an advantage
● Knowledge on Redis, ELK stack or Temporal BPM is a big plus
● Docker & Kubernetes experience is a big plus
● Previous experience of Fintech company is an added advantage
What’s on offer
● Vibrant, fun and rewarding culture that nurtures and promotes excellence
● Opportunities to learn and interact with payment industry leaders
● Competitive remuneration, group health insurance & PF
● Other office perks of being part of an early-stage Start-up
● Location: HSR Layout, Bangalore


Java Developers (4-5 positions)
What qualities are we looking for?
- 3 – 8 years of experience in building web applications
- Excellent command over Data Structures & Algorithms
- Exceptional coding skills in an Object-Oriented programming language (Java)
- Strong problem solving and analytical skills
Technical Requirements:
- Working experience on JAVA, Spring Boot. (building web services)
- Working experience in building microservices and distributed systems.
- Working experience on using messaging queues RabbitMQ/Kafka is a plus.
- Knowledge of multiple front-end languages and libraries (e.g. HTML/ CSS, JavaScript, XML, jQuery, Angular 5+)
- Excellent knowledge and programming skills in data structures, algorithms.
- Familiarity with databases (e.g. MySQL, MongoDB)
- Proficiency with Git
Frontend - Angular js, Javascript, JSP, added advantage for RIOTjs
Websocket technologies - Added advantage
Basic understanding of Apache Tomcat


