Node.js Developer

Role Summary:

We are looking for a hands-on Java Solution Architect to design and lead scalable, secure, event-driven platforms. The ideal candidate has deep expertise in Java/Spring Boot microservices, Kafka, Redis/KeyDB, and open-source databases (Cassandra, PostgreSQL), with experience building high-throughput, low-latency systems.

Experience- 10+yrs

Key Responsibilities

• Architecture & Design
• Define service boundaries using DDD; create service contracts and API specifications.
• Design Kafka-based event flows (topics, partitions, retention, DLQs, idempotency).
• Choose fit-for-purpose storage (Cassandra vs PostgreSQL) for workloads:
• Cassandra for time-series, high write throughput, and horizontal scaling.
• PostgreSQL for transactional integrity, complex joins, and reporting.
• Engineer caching strategies using Redis/KeyDB (read-through/write-through, TTL, eviction).
• Establish NFRs (performance, availability, RPO/RTO) and capacity planning.
• Security & Compliance
• Implement OAuth2/OIDC, mTLS, token-based auth, key rotation, encryption at rest/in transit.
• Work with InfoSec/AppSec for threat modeling, VAPT, secure SDLC integration.
• DevOps & Observability
• Drive CI/CD pipelines (blue/green/canary), container orchestration (Kubernetes).
• Define SLOs/SLIs; implement metrics, logs, traces; promote proactive alerting.
• Governance & Standards
• Publish architecture guidelines, coding standards, and API governance (versioning, deprecation).
• Champion documentation (ADR, sequence diagrams, data flow, runbooks).
• Mentoring & Leadership
• Coach engineers; conduct design/code reviews; lead PoCs and migrations.
• Collaborate with Product/Delivery to align scope, timelines, and risk mitigation.

Required Technical Skills (Deep Expertise)

• Java: Java 17+, Spring Boot, Spring Cloud, reactive programming (WebFlux).
• Microservices: API Gateway, service mesh (Istio/Linkerd), resilience (Resilience4j).
• Kafka: Kafka Connect, Streams, consumer lag management, schema registry (Avro/JSON).
• Redis/KeyDB: Cluster configuration, HA, persistence (AOF/RDB), pub/sub and streams.
• Databases:
• Cassandra: Data modeling (partition keys, clustering), consistency levels, compaction strategies.
• PostgreSQL: Indexing strategies, partitioning, query planning, isolation levels, VACUUM.
• Cloud & Infra: Docker, Kubernetes, Helm/Terraform; AWS/Azure/GCP (EKS/AKS/GKE).
• Observability: Prometheus, Grafana, ELK/EFK, OpenTelemetry.
• Security: JWT, mTLS, secrets management (Vault/KMS), OWASP Top 10, compliance-aware design.

Soft Skills

• Strong stakeholder communication; ability to simplify complex technical decisions.
• Ownership mindset; risk identification and mitigation.
• Mentorship; collaborative leadership across cross-functional teams.

Role & Responsibilities

work with peers in Product, QA, and other Engineering departments;

coach and mentor team members;

cautiously drive adoption of new technologies and processes;

preserve our engineering values of quality, scalability, and maintainability;

“see around corners” — identify blind spots and prioritize work across teams;

work with international teams to ensure successful product development and delivery; and

own the overall architecture and systems engineering for your products.

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

We are looking for a skilled and experienced Node.js Developer with at least 4 years of professional experience to join our team. As a Node.js Developer, you will be responsible for developing robust and scalable web applications using JavaScript and various frameworks.

Roles and Responsibilities

• Production platform hands-on experience involving Node JS & REST API.

• Hands-on production platform experience working with micro-service back-end architecture.

• Working knowledge of GRPC, HTTPS, and GRAPHQ protocols.

• Well-versed in cloud deployment of code blocks.

• Experience with JS testing and code analysis frameworks such as Mocha.

• Utilize modern JavaScript frameworks such as Express.js and Sails.js to build efficient and scalable applications.

• Work with databases like MongoDB and PostgreSQL using Mongoose and Sequelize ORM.

• Integrate messaging systems like Kafka and RabbitMQ for reliable event-driven communication.

• Write unit tests using Mocha, Chai, and Jest frameworks to ensure code quality and reliability.

• Utilize AWS S3 bucket for secure and scalable storage of data and media files.

• Collaborate with QA engineers to perform thorough testing and bug fixes.

• Work with third-party APIs such as Postman, Twilio, SendGrid, Firebase, and KeyCloak for various integrations.

Requirement Analysis

• Programming/Software Development
• Developer Testing
• Code Review
• Client Handling

ROLES AND RESPONSIBILITIES 

• Proven working experience in backend app development and experience with Node JS.  
• Build advanced ecommerce backend applications for the multiple client platforms (both React and Android).  
• Understanding of design principles and good architecture patterns.  
• Proper Data Structures and Algorithm knowledge is a must.  

• Graph QL and Apollo Server knowledge.  
• Collaborate with cross-functional teams to define, design, and ship new features. Work with outside data sources and APIs like the one of Unicommerce.  
• Create Unit-test code for robustness, including edge cases, usability, and general reliability.  
• Work on bug fixing and improving application performance.  
• Continuously discover, evaluate, and implement new technologies to maximize development efficiency.  

• Translate designs and wireframes into high quality code.  
• Have a good understanding of CI/CD tools (any).  
• Robust knowledge of popular databases like MongoDB, Elastic Search, DynamoDB, Redis etc;  
• Knowledge about AWS Services like EC2, Lambda, Kinesis, Redshift, S3 is super plus. 
•  

CANDIDATES MUST HAVE  

• Node JS. 
• Data Structures and Algorithm  
• HTML5 and CSS3 
• Graph QL and Apollo Server  
• MongoDB, Elastic Search, DynamoDB, Redis 

• AWS Services like EC2, Lambda, Kinesis, Redshift, S3  

REQUIREMENTS  

• Bachelor's degree in computer science, information science, or similar.  
• Extensive knowledge of JavaScript, web stacks, libraries, and frameworks.  
• Knowledge of front-end technologies such as HTML5 and CSS3.  

• Superb interpersonal, communication, and collaboration skills.  
• Exceptional analytical and problem-solving aptitude.  
• Great organisational and time management skills.  
• Availability to resolve urgent web application issues outside of business hours 

What You'll Do


You will be part of our data platform & data engineering team. As part of this agile team, you will work in our cloud native environment and perform following activities to support core product development and client specific projects:

• You will develop the core engineering frameworks for an advanced self-service data analytics product.
• You will work with multiple types of data storage technologies such as relational, blobs, key-value stores, document databases and streaming data sources.
• You will work with latest technologies for data federation with MPP (Massive Parallel Processing) capabilities
• Your work will entail backend architecture to enable data modeling, data queries and API development for both back-end and front-end data interfaces.
• You will support client specific data processing needs using SQL and Python/Pyspark
• You will integrate our product with other data products through Django APIs
• You will partner with other team members in understanding the functional / non-functional business requirements, and translate them into software development tasks
• You will follow the software development best practices in ensuring that the code architecture and quality of code written by you is of high standard, as expected from an enterprise software
• You will be a proactive contributor to team and project discussions

Who you are


• Strong education track record - Bachelors or an advanced degree in Computer Science or a related engineering discipline from Indian Institute of Technology or equivalent premium institute.
• 2-3 years of experience in data queries, data processing and data modeling
• Excellent ANSI SQL skills to handle complex queries
• Excellent Python and Django programming skills.
• Strong knowledge and experience in modern and distributed data stack components such as the Spark, Hive, Airflow, Kubernetes, Docker etc.
• Experience with cloud environments (AWS, Azure) and native cloud technologies for data storage and data processing
• Experience with relational SQL and NoSQL databases, including Postgres, Blobs, MongoDB etc.
• Familiarity with ML models is highly preferred
• Experience with Big Data processing and performance optimization
• Should know how to write modular, optimized and documented code.
• Should have good knowledge around error handling.
• Experience in version control systems such as GIT
• Strong problem solving and communication skills.
• Self-starter, continuous learner.

Good to have some exposure to

• Start-up experience is highly preferred
• Exposure to any Business Intelligence (BI) tools like Tableau, Dundas, Power BI etc.
• Agile software development methodologies.
• Working in multi-functional, multi-location teams

What You'll Love About Us – Do ask us about these!

• Be an integral part of the founding team. You will work directly with the founder
• Work Life Balance. You can't do a good job if your job is all you do!
• Prepare for the Future. Academy – we are all learners; we are all teachers!
• Diversity & Inclusion. HeForShe!
• Internal Mobility. Grow with us!
• Business knowledge of multiple sectors

NodeJS Developer - Backend

About T7E

T7E is an auto-focused mar-tech company run by a team of experienced professionals. They are well poised to solve some fundamental business challenges in the Indian automotive aftermarket, made up of an estimated 10 Lakh Mechanics, 1 Lakh retailers and over 1000 parts & consumables manufacturers. We are the only company in the market solving business challenges of mechanics & retailers by combining technology & human connect, in partnership with brands. ( http://www.t7e.in">www.t7e.in )

Experience:  3 - 7 years

Openings- Senior Software Developer

Job Location:  Mumbai ( Mulund -West )

Responsibilities

• Writing reusable, testable, and efficient code
• Coding and operating node.js based services
• Participate actively in design discussions and defining the long-term architecture of the system.
• REST ful APIs and API Communications
• Programing Language: Html5, JavaScript, Node JS, Angular JS, MySQL, MongoDB

• Hands on in application development using with NodeJs with Express framework, as the code-behind language and MariaDB(MySQL) and MongoDBas the Database data consumer

• Extensive experience in design and development of applications using Web technologies like CSS, JavaScript and HTML.

• Understanding the nature of asynchronous programming and its quirks and workarounds

• Ability to learn & develop using new technologies quickly.

Important Note - Please apply only who are with 1 Month Notice Period.

Timing - 9.30 to 6.30 - Monday to Saturday