

Overview: We are looking for a Senior Software Developer with a strong background in backend technologies to join our high-performing engineering team. You will play a key role in designing, building, and maintaining mission-critical services that power our storefront and scale to millions of users.
Responsibilities:
● Develop and maintain robust, scalable backend systems using Python and Golang.
● Design efficient data models and queries for PostgreSQL and MongoDB.
● Build secure and performant APIs for mobile, web, and storefront applications.
● Architect and optimize backend services that support storefront features such as product catalogs, checkout flows, payments, order management, and customer profiles.
● Drive cloud-native development and infrastructure setup on AWS.
● Collaborate with cross-functional teams, including product, mobile, web (storefront), and DevOps.
● Optimize systems for performance, reliability, and scalability.
● Conduct code reviews, write unit tests, and improve development processes.
● Troubleshoot, debug, and resolve production-level issues.
Requirements:
● 5+ years of backend development experience with Python and Golang.
● Strong command of relational (PostgreSQL) and document (MongoDB) databases.
● Practical experience deploying applications on AWS (EC2, ECS, Lambda, RDS, S3).
● Proficiency in designing RESTful APIs and working in service-oriented architectures.
● Familiarity with Docker, Git, CI/CD tools, and cloud monitoring practices.
● Ability to write clean, testable, and maintainable code. ● Strong analytical and debugging skills with a performance-first mindset. Preferred Requirements:
● Experience with asynchronous programming and microservices architecture.
● Knowledge of GraphQL and infrastructure-as-code tools like Terraform.
● Experience integrating backend systems with React/Next.js storefronts.
● Previous experience in a fast-paced startup environment.
● Contributions to open-source, tech blogs, or developer communities are a plus.

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Architect
Experience - 12+ 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 architects 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 12+ years building high-performance applications with at least
3+ years as an architect.
● 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 applications using Node.Js
(Javascript/Typescript) and .NET/ Golang / Java / Python.
● Strong experience with appropriate framework(s).
● Well versed in monolithic and microservices architecture.
● Hands-on experience with data modeling on MongoDB and any other Relational or NoSQL databases
● Experience working with 3rd party integrations ranging from authentication, cloud
services, etc.
● Hands-on experience with Kafka or RabbitMQ.
● Hands on experience with CI/CD pipelines and atleast 1 cloud provider - AWS / GCP / Azure
● Strong experience writing and maintaining clear documentation
Good to have skills:
● Experience working with frontend technologies - React.Js or Vue.Js or Angular.
● Extensive experience consulting with customers directly for defining architecture or system design.
● Technical certifications in AWS / Azure / GCP / MongoDB or other relevant technologies

Responsibilities-
- Participate in the entire application lifecycle, focusing on coding and debugging
- Write clean code to develop functional web applications
- Troubleshoot and debug applications
- Collaborate with Front-end developers to integrate user-facing elements with server-side logic
- Gather and address technical and design requirements
- Provide training and support to internal teams
- Build reusable code and libraries for future use
- Liaise with developers, designers to identify new features
- Follow emerging technologies
Requirements-
- Spent at least 1 yr in a solid back end role
- Experience taking a problem to a product solution (module/product)
- Prior experience working with startups and understanding the fast-paced, dynamic nature of work
Must have skillsets:
- Javascript, NodeJS
- Client-server architecture
- OOP concepts, including design patterns
- Understanding of RDBMS (MySQL, Postgresql)
- Understanding of REST API
- Familiarity with frameworks such as ExpressJs
- Knowledge of TDD frameworks mocha, chai, jest, etc
- Knowledge of AWS (Lambda, RDS, EC2, SQS, S3, ECS, etc)
- Basic knowledge of Typescript, NextJs
- Prior experience in fin-tech
Your Opportunity
You will primarily be responsible for implementing features & building platforms to enable on-device and device/server-side combined ML workflows. You will possess strong skills in object-oriented software design and programming. You are excited about developing new features, maintaining existing code, fixing bugs, and contributing to overall system design.
Your Impact
To design, architect, develop and maintain the backend for AI products by working closely with the Engineering Team. To ensure successful consumption of Saarthi.ai technology by APIs, SDKs, or Applications, thereby enabling productization and monetization of the AI solutions.
What You’ll Do
· Work with development teams and product managers to ideate software solutions
· Design server-side architecture
· Along with SAAS application deliverables even the client-side deliverables need to be taken care
· Develop and manage well-functioning databases and applications
· Write effective APIs
· Test software to ensure responsiveness and efficiency
· Troubleshoot, debug and upgrade software
· Create security and data protection settings
· Build features and applications with a mobile responsive design
· Write technical documentation
· Work with data scientists and analysts to improve software
What You Bring
· Proven experience as a Back-End Developer or similar role.
· Experience developing desktop applications.
· Strong working experience with back-end development using Node.JS, JavaScript.
· Strong knowledge of databases (MongoDB, PostgreSQL).
· Experience with System Design and Architecture.
· Familiarity with common stacks.
· Familiarity with Parallel Threading, Concurrent calling and Aggregation Queries.
· Ability to write quality unit tests
· Setting up CI/CD, and integrating with logging and monitoring systems for the products or platforms
· Excellent communication and teamwork skills.
· Degree in Computer Science, Statistics or relevant field
Required Candidate profile
Primary Skills:
Strong working knowledge of Typescript, MongoDB, Express.
Strong proficiency in TypeScript, Javascript including DOM manipulation and the JavaScript object model, ES6.
Strong understanding of NodeJS fundamentals.
Knowledge and experience working with PostgreSQL is a major plus.
Experience with ORM libraries.
Familiarity with RESTful APIs.
Experience in troubleshooting and RCA of Production issues Analyze logs in Kibana Elastic Search.
Knowledge of tools like Git, Github, JIRA, Cucumber, Jasmine, and others that make coding more efficient and easier to share.
Familiarity of working in either the AWS Cloud or Azure including Docker + Kubernetes based microservice deployment.
Secondary Skills:
Good communication and design skills Experience in handling teams.
Solid back-end software development experience.
Ability to understand business requirements and translate them into technical requirements.
Experience working in an Agile environment.
Qualification:
Good experience as Software Developer.
Prior experience in a technical leadership or developer position.
Back End Developers/ API Web Services Experience Mandatory.
NodeJS is mandatory.
One RDBMS and one document database mandatory.

Roles and Responsibilities:
6+ Experience in Node.js, React Js
excellent written and verbal communication skill
- Healthy team and relationship building skills
- Hands-on experience delivering web applications in the cloud to on-demand production clients
- Experience in JavaScript, OOP Patterns, ES6, HTML, CSS, LESS
- Experience with MS Sql Server, Mongo DB
- Experience with SSO, SAML, OAuth, JWT for API and Web Session Authentication and Authorization
- Experience with Azure Devops platform will be an added advantage
- Experience with test and/or process automation, source control
- Possess solid debugging process and exhibit technical intuition

● Build new features to allow for rapid product experimentation to power web and
android applications, implementing features in an efficient way
● Incrementally adapt an existing Node.js monolith for scalability and very fast growth
● Deliver within project timelines through diligent planning and attention to detail.
● Keep key stakeholders informed about progress and problems; avoid surprises.
● Identify and report performance bottlenecks wherever feasible
● Follow testing and documentation best practices for the services developed.
● Work in a dynamic and collaborative culture ensuring good teamwork and
communication with remote team members when needed
Requirements
● 2 or more years of backend development experience
● At least 1 year of experience with Node.js frameworks like Express, Koa, Sail etc.
● Strong problem-solving skills. Good knowledge of data structures and algorithms.
● Solid understanding design patterns and OOP concepts; familiarity with
object-oriented JS (asynchronous code, events loop etc) is highly preferable
● Strong hands-on exp of relational DBMS concepts with PostgreSQL / other SQL DBs
● Ability to quickly design and implement optimized solutions for feature requirements
● Good understanding of the fundamental design principles for a scalable application
● Strong handle over Git, following best practices to facilitate collaboration
Nice to haves
● Experience working with apps in a microservices architecture
● Familiarity with caching solutions like Redis, Memcached etc
● Knowledge of testing best practices and concepts of test-driven development and
experience with unit testing frameworks in any of the major programming languages
● Familiarity with documentation tools and generators for Node.js applications



