
Principal Engineer (node.js)
at FinTech Product Development Firm
Your Responsibilities:
- Own the backend stack – Node.Js based, that powers our product
- Collaborate with Backend Developers (Python), Front-end developers, DevOps, and Data Scientists to design and implement new features
- Build and maintain several REST’ful Services/Endpoints which will be used both internally and externally in a Macroservices/Distributed services environment.
- Deploy and monitor the Services/Endpoints ensuring availability and scalability(ability to handle 100X traffic)
- Work on full project lifecycle starting from requirements gathering/understanding the problem to deploying and maintaining the project.
Skills that you bring Along:
- A minimum 8+ years of extensive work experience with Node.Js and related frameworks – particularly Express.Js.
- Extensive experience in designing and maintaining REST’ful API endpoints
- Extensive experience with databases such as Postgres and Mongo.
- Extensive experience in Cloud Infrastructure (AWS based) – e.g. AWS API Gateway, Lambda Functions etc.
- Experience with cache like Redis and/or Memory cache
- Good experience in Microservices/Macroservices or Event driven Architectures
- Good experience with design patterns
- Experience in writing advanced SQL-queries, good knowledge of PL/SQL
- Good understanding of Software Design Principles and domain-driven design
- Good experience with Continuous Delivery and Containerization(Docker)
- Ideally maintaining infrastructure-as-code using Terraform
- Excellent communication skills and the ability to explain complex topics in a simple manner

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Job Title : Senior Consultant (Java / NodeJS + Temporal)
Experience : 5 to 12 Years
Location : Bengaluru, Chennai, Hyderabad, Pune, Mumbai, Gurugram, Coimbatore
Work Mode : Remote (Must be open to travel for occasional team meetups)
Notice Period : Immediate Joiners or Serving Notice
Interview Process :
- R1 : Tech Interview (60 mins)
- R2 : Technical Interview
- R3 : (Optional) Interview with Client
Job Summary :
We are seeking a Senior Backend Consultant with strong hands-on expertise in Temporal (BPM/Workflow Engine) and either Node.js or Java.
The ideal candidate will have experience in designing and developing microservices and process-driven applications, as well as orchestrating complex workflows using Temporal.io.
You will work on high-scale systems, collaborating closely with cross-functional teams.
Mandatory Skills :
Temporal.io, Node.js (or Java), React.js, Keycloak IAM, PostgreSQL, Terraform, Kubernetes, Azure, Jest, OpenAPI
Key Responsibilities :
- Design and implement scalable backend services using Node.js or Java.
- Build and manage complex workflow orchestrations using Temporal.io.
- Integrate with IAM solutions like Keycloak for role-based access control.
- Work with React (v17+), TypeScript, and component-driven frontend design.
- Use PostgreSQL for structured data persistence and optimized queries.
- Manage infrastructure using Terraform and orchestrate via Kubernetes.
- Leverage Azure Services like Blob Storage, API Gateway, and AKS.
- Write and maintain API documentation using Swagger/Postman/Insomnia.
- Conduct unit and integration testing using Jest.
- Participate in code reviews and contribute to architectural decisions.
Must-Have Skills :
- Temporal.io – BPMN modeling, external task workers, Operate, Tasklist
- Node.js + TypeScript (preferred) or strong Java experience
- React.js (v17+) and component-driven UI development
- Keycloak IAM, PostgreSQL, and modern API design
- Infrastructure automation with Terraform, Kubernetes
- Experience in using GitFlow, OpenAPI, Jest for testing
Nice-to-Have Skills :
- Blockchain integration experience for secure KYC/identity flows
- Custom Camunda Connectors or exporter plugin development
- CI/CD experience using Azure DevOps or GitHub Actions
- Identity-based task completion authorization enforcement
Your Craft:
● JavaScript/TypeScript & NodeJS flows through your fingers like a native language
● Next.js is your framework of choice for building full-stack magic
● Rust makes your heart sing when performance is non-negotiable
● Golang/Python feel like comfortable old friends (nice to have)
● MySQL/Postgres/Redis are tools you wield with intention
● AWS ecosystem is your playground, not your puzzle
● LLM/AI integration is something you've actually shipped, not just read about
Backend - Software Development Engineer II
Experience - 4+ 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. 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/Bangalore
Basic qualifications:
- Good problem solving skills
- Deep understanding of software development life cycle
- Excellent verbal and written communication skills
- Strong focus on quality of work delivered
- Relevant experience of 4+ years building high-performance backend applications with, at least 2 or more projects implemented using the required technologies
Required Technical Skills:
- Extensive hands-on experience building high-performance web back-ends using Node.Js and Javascript/Typescript
- Min two years of hands-on experience in NestJs
- Strong experience with Express.Js framework
- Hands-on experience in data modeling and schema design in MongoDB
- Experience integrating with any 3rd party services such as cloud SDKs, payments, push notifications, authentication etc…
- 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
- Experience with microservice architecture
- Experience working with other Relational and NoSQL Databases
- Experience with technologies such as Kafka and Redis
- Technical certifications in AWS / Azure / GCP / MongoDB or other relevant technologies
Role Overview
We are looking for a Senior Backend Developer with strong Node.js expertise who is comfortable working in an AI-assisted development environment. The ideal candidate should be proficient in leveraging modern AI developer tools to accelerate development, improve code quality, and help modernize legacy systems.
This role involves working on backend systems, microservices architecture, and AI-powered development workflows, including refactoring legacy applications into modern Node.js services.
Key Responsibilities
- Design, build, and maintain scalable backend services using Node.js.
- Leverage AI-powered developer tools such as GitHub Copilot, Cursor, or Amazon Q to improve development efficiency.
- Refactor and modernize legacy .NET applications into Node.js-based microservices using AI-assisted workflows.
- Design and optimize database schemas and complex SQL queries for performance and scalability.
- Work with PostgreSQL and Redis for high-performance data storage and caching.
- Build and integrate AI-based features and services into backend applications.
- Automate development workflows through custom CLI tools or IDE extensions.
- Collaborate with cross-functional teams to deliver high-quality backend solutions.
Required Skills & Experience
- 5+ years of backend development experience
- Strong expertise in Node.js backend development
- Hands-on experience with AI-assisted development tools (GitHub Copilot, Cursor, Amazon Q, or similar)
- Experience working with PostgreSQL and Redis
- Strong understanding of microservices architecture and API design
- Experience with AI engineering (building or integrating AI-powered features)
- Strong problem-solving and debugging skills
Good to Have
- Prior experience with .NET / C#
- Experience modernizing legacy systems
- Experience building developer productivity tools (CLI tools, IDE extensions, automation)
- Experience optimizing complex SQL queries and database migrations
A LITTLE BIT ABOUT THE COMPANY:
Established in 2017, Fountane Inc is one part a Digital Product Studio that specializes in building superior product experiences, and one part Ventures Lab incubating and investing in new competitive technology businesses from scratch. Thus far, we’ve created half a dozen multi million valuation companies in the US, and a handful of sister ventures for large corporations including Target, US Ventures, Imprint Engine.
We’re a team of 100 strong from around the world that are radically open minded and believes in excellence, respecting one another and pushing our boundaries to furthest its ever been.
Job Description :
● Should have a strong knowledge of Node JS, Javascript.
● Proven Skills with databases like PostGres/MongoDB etc.
● Experience in Version Control Systems like GIT, Bitbucket.
● Ability to complete all phases of software development life cycle.
● Should have a working knowledge of using the latest development tools and techniques.
● Experience in Cloud such as AWS, Azure etc. is an advantage
● Basic knowledge of front-end UI design preferred.
● Must have good problem solving and analytical skills.
● Must be a team player, having good communication skills, self-starter
● Ability to pick up new technology is needed
Ideal Candidates will:
● Possess Strong sense of ownership
● Have an ability to work in high energy teams and drive results
● Have Good communication and documentation skills
● Enjoy sharing knowledge and eager to keep developing themselves
- Developing and maintaining all server-side network components.
- Ensuring optimal performance of the central database and responsiveness to front-end requests.
- Collaborating with front-end developers on the integration of elements.
- Designing customer-facing UI and back-end services for various business processes.
- Developing high-performance applications by writing testable, reusable, and efficient code.
- Implementing effective security protocols, data protection measures, and storage solutions.
- Running diagnostic tests, repairing defects, and providing technical support.
- Documenting Node.js processes, including database schemas, as well as preparing reports.
- Recommending and implementing improvements to processes and technologies.
- Keeping informed of advancements in the field of Node.js development.
At Primathon, we strive to deliver world-class software for our clients and empower our engineers to become full-stack in technology and provide them 360° experience. We are looking for champions in backend development with experience in NodeJs/Python. You would be working on NodeJs, Python, PostgreSQL, MongoDB, Redis Elastic search, RabbitMq, SQS, Docker, AWS.
Responsibilities and Duties
● Participate in agile software development, prototyping and code reviews
● As a backend engineer, you will work on backend services in Node JS, MongoDB, PostgreSQL, Redis.
● Design, implement and/or use RESTful web services
● Designing database schema
● Writing automation test cases
● Write testable, well-thought-out code within the ecosystem, embracing additional languages and frameworks when appropriate
Required Experience, Skills and Qualifications
● 1+ years of experience as a Backend developer.
● Experience designing, implementing and using RESTful Web Services with Service-Oriented Architecture.
● Knowledge & basic understanding of JavaScript frameworks like React, D3, etc and strong experience working with MVC.
● Solid understanding of version control principles, preferably using Git
● Experience using mocking frameworks, testing frameworks, dependency injection, NoSQL and/or relational databases
● Strong knowledge on how to navigate the vast and quickly evolving collection of open source projects and select the right tool for the job
● Attention to detail and the ability to build reliable, scalable, and flexible software.
Work Experience ** Minimum 2+Years










