Senior / Lead Fullstack Developer

Full Stack Developer (Node.js & React)

Location: Pune, India (Local or Ready to Relocate)

Employment Type: 6–8 Month Contract (Potential Conversion to FTE Based on Performance)

About the Role

We are seeking a highly skilled Full Stack Developer with expertise in Node.js and React to join our dynamic team in Pune. This role involves designing, developing, and deploying scalable web applications. You will collaborate with cross-functional teams to deliver high-impact solutions while adhering to best practices in coding, testing, and security.

Key Responsibilities

• Develop and maintain server-side applications using Node.js (Express/NestJS) and client-side interfaces with React.js (Redux/Hooks).
• Architect RESTful APIs and integrate with databases (SQL/NoSQL) and third-party services.
• Implement responsive UI/UX designs with modern front-end libraries (e.g., Material-UI, Tailwind CSS).
• Write unit/integration tests (Jest, Mocha, React Testing Library) and ensure code quality via CI/CD pipelines.
• Collaborate with product managers, designers, and QA engineers in an Agile environment.
• Troubleshoot performance bottlenecks and optimize applications for scalability.
• Document technical specifications and deployment processes.

Required Skills & Qualifications

• Experience: 3+ years in full-stack development with Node.js and React.
• Backend Proficiency:
• Strong knowledge of Node.js, Express, or NestJS.
• Experience with databases (PostgreSQL, MongoDB, Redis).
• API design (REST/GraphQL) and authentication (JWT/OAuth).
• Frontend Proficiency:
• Expertise in React.js (Functional Components, Hooks, Context API).
• State management (Redux, Zustand) and modern CSS frameworks.
• DevOps & Tools:
• Git, Docker, AWS/Azure, and CI/CD tools (Jenkins/GitHub Actions).
• Testing frameworks (Jest, Cypress, Mocha).
• Soft Skills:
• Problem-solving mindset and ability to work in a fast-paced environment.
• Excellent communication and collaboration skills.
• Location: Based in Pune or willing to relocate immediately.

Preferred Qualifications

• Experience with TypeScript, Next.js, or serverless architectures.
• Knowledge of microservices, message brokers (Kafka/RabbitMQ), or container orchestration (Kubernetes).
• Familiarity with Agile/Scrum methodologies.
• Contributions to open-source projects or a strong GitHub portfolio.

What We Offer

• Competitive Contract Compensation with timely payouts.
• Potential for FTE Conversion: Performance-based path to a full-time role.
• Hybrid Work Model: Flexible in-office (Pune) and remote options.
• Learning Opportunities: Access to cutting-edge tools and mentorship.
• Collaborative Environment: Work with industry experts on innovative projects.

Apply Now!

Ready to make an impact? Send your resume and GitHub/Portfolio links with the subject line:

"Full Stack Developer (Node/React) - Pune".

Local candidates or those relocating to Pune will be prioritized. Applications without portfolios will not be considered.

Equal Opportunity Employer

We celebrate diversity and are committed to creating an inclusive environment for all employees.

• ∙ Java Full stack + AWS

Responsibilities

• Design, build, and maintain Spring Boot applications in a microservice architecture
• Develop and maintain RESTful APIs and asynchronous services
• Leverage AWS services such as ECS, ECR, SQS, CloudWatch, Secrets Manager, RDS, and S3
• Implement secure, scalable, and observable services in Java 17+
• Write integration and unit tests to ensure application correctness and stability
• Troubleshoot and optimize performance in production systems
• Collaborate with DevOps and platform teams on containerization, CI/CD, and infrastructure
• Participate in sprint planning, technical design reviews, and peer code reviews

Required Skills

• 6+ years of hands-on experience with Java and Spring Boot
• Strong experience with REST APIs, JSON, and serialization/deserialization
• Proficiency with AWS services, especially ECS, SQS, S3, Secrets Manager, and RDS
• Experience working with containerized services using Docker and deploying to ECS (Fargate or EC2)
• Familiarity with queue-based systems and event-driven processing
• Experience with SQL databases such as PostgreSQL or MySQL
• Strong understanding of dependency injection, security, and configuration management in Spring
• Ability to write clean, maintainable, and testable code (JUnit, Mockito, etc.)

About the Role :

We are seeking a highly skilled Lead Software Developer with a strong background in SaaS product development and expertise in designing scalable, secure, and resilient systems. You will lead the technical architecture of our cloud-native platforms, manage cross-functional

engineering efforts, and implement best practices across backend, frontend, and infrastructure layers.

This is a leadership role based on-site in Jaipur and ideal for someone who enjoys solving complex system challenges and building high-impact software.

Key Responsibilities:

● Lead the design and implementation of scalable SaaS application architecture

● Architect and develop solutions using Laravel, NestJS, Node.js, and AWS

● Build and manage microservices and serverless infrastructure for high availability and maintainability

● Implement and manage asynchronous and parallel request handling for optimized system performance

● Design and scale load handling and queue management systems using BullMQ and Redis

● Develop and integrate real-time data workflows using webhooks and external APIs

● Configure and manage Node.js clusters for performance and fault tolerance

● Collaborate with frontend developers working on React and Vue.js to deliver seamless UI/backend integration

● Ensure code quality, observability, and maintainability across services

● Monitor, debug, and resolve issues in production using logs and performance tracking tools

● Drive CI/CD implementation, infrastructure automation, and DevOps practices

Required Skills & Qualifications:

● 5 - 7 years of experience in full-stack or backend software development

● Proven experience as a Lead Developer on SaaS products

● Proficient in Laravel, NestJS, and Node.js

● Deep understanding of BullMQ, Redis, and message/queue-based architectures

● Experience with asynchronous processing, parallel request handling, and load distribution

● Proficient in microservices and serverless architecture patterns

● Strong command of AWS (EC2, Lambda, RDS, S3, API Gateway, IAM, CloudWatch)

● Hands-on experience with webhooks, job queues, background tasks, and rate-limiting strategies

● Familiarity with Node.js cluster mode and scaling strategies

● Solid experience in debugging, tracing, and performance monitoring

● Frontend integration experience with React or Vue.js (please specify your exposure)

● Strong leadership, collaboration, and mentoring abilities

Preferred Skills (Nice to Have):

● Experience with Docker, Kubernetes, and CI/CD pipelines

● Exposure to event-driven architecture and multi-tenant SaaS platforms

● Familiarity with observability tools such as Grafana, Datadog, or New Relic

• As a lead engineer, you will be expected to execute and deliver large and complex projects end-to-end, with or without the involvement of other team members.
• Participate in code reviews, app architecture, and design discussions.
• Ensuring timely delivery of all product deliverables.
• Be the go-to person for the team for guidance and troubleshooting. 
• Mentoring junior developers and set best practices for coding, reviews, etc.
• Ensuring performance and scalability in all new product features being developed. 

• Overall of 5+ years of expertise in at least one dynamic programming language like Python and one MVC web framework, preferably Django.
• Experience in at least one frontend framework, preferably React.js
• Expertise in database modeling, preferably relational DB, spotting DB bottlenecks, and writing optimized DB queries.
• Expertise in all common AWS cloud technologies, knowledge of CI/CD tools, and workflows.

Duties and responsibilities

• Responsible for the development of new highly responsive, web-based user interface
• Construct visualisations that are able to depict vast amounts of data
• Work and collaborate with the rest of the engineering team
• Work with the product team and graphic designers
• Learn and understand user interactions
• Develop a flexible and well-structured front-end architecture, along with the APIs to support it

Requirements and qualifications

• Experience in Work Frontend Frameworks like Bootstrap, MUI & Antd.
• Must have experience in ES6
• Hands-on experience with REACT REDUX
• Hands-on experience with REDUX SAGA or REDUX ToolKit
• Experience with HTML5 / CSS3
• Experience in creating REST API's based on NODE JS
• GraphQL is a plus
• Must have Git knowledge
• Team player
• Good time-management skills
• Good interpersonal and communication skill

• Working directly with clients to understand requirements for a green field development
• Designing the technology and cloud infrastructure architecture to achieve the functional and nonfunctional requirements
• The product you will be working on needs to scale up to support millions of users an efficient micro service distributed architecture
• Solution needs to be easy to deploy and manage on multiple cloud providers (AWS, GCP or Azure)
• Mentoring, guiding and training the team on various technology, quality and security aspects
• Guiding the team to implement automated CI/CD processes
• Strong analytical, problem solving and data analysis
• Excellent communication, presentation and interpersonal skills are a must
• Micro service frameworks such as Java SpringBoot
• Design and implement automated unit and integration tests
• Writing scalable, robust, testable, efficient, and easily maintainable code
• Familiarity with most AWS Services - EC2, ECS, RDS, ECR, S3, SNS, SQS, and more
• Experience with Docker and Kubernetes
• Deploying and Scaling microservices to AWS
• Hands-on experience with AWS cloud platform in evaluation and cost estimation

• Java/J2EE, Spring, Spring Boot, REST, JSON, Micro Services, 12 Factor Apps, Apache.
• Strong understanding of microservice architecture
• Ability to design, develop and implement scalable, elastic microservice based platforms.
• Demonstrated knowledge of OAuth token-based authentication protocol.
• Demonstrated knowledge of PCI and Security Coding Standards.
• Performs hands on coding using Java/J2EE & unit testing.
• Contribute to the Design and develop high quality software for large scale Java/Spring Batch/Micro-service Applications.
• Proficiency in the following general areas: Java (Java 1. 7/Java 1. 8), Spring Framework, Jenkins, Gradle, and GitHub.
• Experience with RESTful services, Rabbit MQ, JSON, Unix Scripting, and Hadoop is a plus.
• Core development experience in large scale enterprise Java applications using Spring Framework.
• Experience in SQL (DB2 & SQL databases)
• Strong knowledge and experience on Nginx as APIM tool Solid experience in coding and creating APIs.
•  Expertise in WSDL, XML, XSLT, JSON, XPATH and Gateway scripts
• Provide front line support for Nginx related problems by being involved in troubleshooting, root cause analysis and appropriate secure integration recommendations.
• Installation of Nginx API Gateway as per need.
• Experience in Containers and Kubernetes.
• Good linux and administration skills
• Experience on API Orchestration/Mediation/Protocol Bindings and transformation knowledge on disparate message structures
• Design, develop and implement API proxies using OpenAPI specification Analysing logs and trace for errors and exceptions Manage and publish content in Developer portal Security implementation using OAUTH, SAML, CORS 
• Must Have Knowledge of API development and its technologies.

Location: Remote Working

** Preference will be given to immediate joinee

https://www.srclogix.com/">SourceLogix  - is a California based software development company. Founded in 2007, we have successfully built our client base with our values: Talent. Team. Trust.

SourceLogix experts help Fortune 500 clients in the areas of SaaS, eCommerce, VoIP, CRM, Transaction systems & Predictive Analytics.

Our latest venture is to build our own Cloud-based SaaS platform to disrupt the Digital Marketing space with a revolutionary voice & video platform - to help customers significantly improve conversions. The platform is built on Amazon Web Services, Google Cloud, and Salesforce CRM to drive Voice & Video with analytics & deep learning, all to significantly improve conversion rates.

We are setting up our offices in Chennai and Bangalore. Looking for an experienced Lead Developer who can become our employee#1 in India & eventually grow into a CTO role.

Job Requirements:

• Node.js and/ or Python - expert level. Over 5 years.
• Deep Knowledge of Amazon web services (AWS). Over 2 years.
• Expertise building on Lambda, API gateway, AWS Cognito
• Dynamo DB, Amazon RDS.
• S3, EC2, Route 53.

Role and Responsibilities:

• Build the platform from the ground up.
• Work with designers & developers to create signup, login, telephony, dashboards and control panel functions.
• Manage AWS instances and run the platform cost-effectively.
• Work with founders to build the roadmap and prioritize tasks.
• Communicate effectively - daily standups, weekly demos, etc.

Benefits:

• Competitive salary - based on experience.
• 100% remote work. All you need is a good laptop, headset, and internet connectivity.
• Flexible work: don't care when or where you work. We care how you work and how well you deliver.
• US-based team: open & transparent & professional. 
• Ability to make a direct impact & build a great platform.
• Awesome culture! We are a friendly & collaborative team with a learning and growth mindset.