Node.js Developer / Backend Developer

• Proven experience in any high-level programming languages like Java (Preferably)
• Strong knowledge of data structure, algorithms and coding
• Experience with any Messaging technologies like Kafka or Rab-bitMQ, etc.
• Proven experience in database technologies like NoSQL
• Hands-on experience with Spring, Spring Security, Spring boot, and Hibernate framework.
• Working knowledge of developing Restful Micro services.
• Strong analytical, problem-solving skills.
• Attend team meetings to discuss projects, brainstorm ideas, and put forward solutions to any issues.
• Ability to understand the Platform/domain of the business in detail & Ability to multi-task.
• Good communication and organizational skill

Xoxoday is looking for a candidate who has a strong background in the design and implementation of scalable architecture and a good understanding of Algorithms, Data structures, and design patterns. Candidates must be ready to learn new tools, languages, and technologies

Basic Qualifications:

• At least 4 -7 years of experience as a software developer.
• At Least 3 years of experience in .net core C#, aws stack, ms sql server, mvc, nodejs experience is a plus
• Strong working knowledge in distributed event-driven messaging architecture/platform
• Strong knowledge in data access layer especially ability to work with stored procedure
• Established and stimulated software development standards and processes along with best practices for delivery of scalable and high-quality software.
• Production experience with AWS stack
• Fluent English speaker

Preferred Qualifications:

• Experience working with OOP languages.
• Experience designing and developing Microservices and SOA.
• Experience working with AWS Kinesis, Lambda, SQS, S3, ElastiCache, ElasticSearch, Kubernetes, EventBridge, RDS, CloudWatch, APIGateway
• Experience designing and building high-performance scalable web services.
• Experience in REST API design and implementation.
• Experience in unit testing, test automation, and continuous delivery.
• Experience with stream-processing and message-broker software.

Nice to have:

• Experience working with distributed teams.
• Ability to work independently and as part of a team.
• Ability to work quickly toward tight deadlines, and make smart tradeoffs between speed, accuracy, and maintainability.
• Bachelor's or Master's degree in computer science (or equivalent professional experience).

A wholesome opportunity in a fast-paced environment that will enable you to juggle between concepts, yet maintain the quality of content, interact, and share your ideas and have loads of learning while at work. Work with a team of highly talented young professionals and enjoy the benefits of being at Xoxoday.

Xoxoday is a rapidly growing fintech SaaS firm that propels business growth while focusing on human motivation. Backed by Giift and Apis Partners Growth Fund II, Xoxoday offers a suite of three products - Plum, Empuls, and Compass. Xoxoday works with more than 2000 clients across 10+ countries and over 2.5 million users. Headquartered in Bengaluru, Xoxoday is a 300+ strong team with four global offices in San Francisco, Dublin, Singapore, New Delhi.

We look forward to connecting with you. As you may take time to review this opportunity, we will wait for a reasonable time of around 3-5 days before we screen the collected applications and start lining up job discussions with the hiring manager. We however assure you that we will attempt to maintain a reasonable time window for successfully closing this requirement. The candidates will be kept informed and updated on the feedback and application status.

Job Title: Lead Backend Developer

Location: Bengaluru, India 

iAI Solution Pvt Ltd (https://iaisolution.com/),operates at the edge of applied AI where foundational research meets real-world deployment. We craft intelligent systems that think in teams, adapt with context, and deliver actionable insight across domains.

Position Summary:

• We are looking for a Lead Backend Developer with 4+ years of professional experience in Python-based development, especially using FastAPI and MongoDB. The ideal candidate is skilled in building and maintaining scalable, high-performance back-end services and APIs, has strong understanding of modern database design (SQL & NoSQL), and has experience integrating backend services with cloud platforms.
• Experience or interest in AI/ML projects is a strong plus, as our products often interface with LLMs and real-time AI pipelines.
• Key Responsibilities:
• Design, build, and maintain robust backend services using Python and FastAPI.
• Develop and maintain scalable RESTful APIs for internal tools and third-party integrations.
• Work with MongoDB, PostgreSQL, and Redis to manage structured and unstructured data efficiently.
• Collaborate with frontend, DevOps, and AI/ML teams to deliver secure and performant backend infrastructure.
• Implement best practices in code architecture, performance optimization, logging, and monitoring.
• Ensure APIs and systems are production-ready, fault-tolerant, and scalable.
• Handle API versioning, documentation (Swagger/OpenAPI), and error management.
• Optimize queries, indexes, and DB schema for high-performance data access.
• Maintain clean code with emphasis on object-oriented principles and modular design.
• Troubleshoot production issues and deliver timely fixes and improvements.

Qualifications:

• Overall Experience: 4+ years in backend software development.
• Python: Strong proficiency with object-oriented programming.
• Frameworks: Hands-on experience with FastAPI (preferred), Django.

Databases:

• MongoDB: Experience with schema design, aggregation pipelines, and indexing.
• Familiarity with SQL databases (PostgreSQL/MySQL).
• Experience with Redis and optionally Supabase.

API Development:

• Proficient in building and documenting REST APIs.
• Strong understanding of HTTP, request lifecycles, and API security.

Testing & Debugging:

• Strong debugging and troubleshooting skills using logs and tools.

Performance & Scalability:

• Experience optimizing backend systems for latency, throughput, and reliability.

Tools:

Git, Docker, Linux commands for development environments.

Must-Have Skills:

• Proficiency in Python and object-oriented programming
• Strong hands-on experience with FastAPI (or similar async frameworks)
• Knowledge of MongoDB for schema-less data storage and complex queries
• Experience building and managing REST APIs in production
• Comfortable working with Redis, PostgreSQL, or other data stores
• Experience with Dockerized environments and Git workflows
• Solid grasp of backend architecture, asynchronous programming, and performance tuning
• Ability to write clean, testable, and maintainable code

Good-to-Have Skills:

• Experience with asynchronous programming using async/await
• Integration with third-party APIs (e.g., Firebase, GCP, Azure services)
• Basic understanding of WebSocket and real-time backend patterns
• Exposure to AI/ML pipelines, model APIs, or vector DBs (e.g., FAISS)
• Basic DevOps exposure: GitHub Actions, Docker Compose, Nginx
• Familiarity with JWT, OAuth2, and backend security practices
• Familiarity with CI/CD pipelines and versioning
• Basic understanding of GraphQL or gRPC is a plus

Preferred Qualifications:

• Bachelor’s degree in Computer Science, Engineering, or a related field
• 
  
• Demonstrated experience delivering production-grade backend services
• 
  
• Experience working in agile teams and using tools like Jira
• 
  
• Familiarity with Agile/Scrum methodologies and sprint cycles
• 
  
• Interest or experience in AI/ML-integrated systems is a plus
• 
  

Perks & Benefits:

• Competitive salary with performance-based bonuses
• Opportunity to work on AI-integrated platforms and intelligent products
• Access to latest tools, cloud platforms, and learning resources
• Flexible working hours and hybrid work options
• Wellness initiatives and team-building activities

Key Responsibilities: 

• Rewrite existing APIs in NodeJS. 
• Remodel the APIs into Micro services-based architecture. 
• Implement a caching layer wherever possible. 
• Optimize the API for high performance and scalability. 
• Write unit tests for API Testing.
• Automate the code testing and deployment process.

Skills Required:

• At least 3 years of experience developing Backends using NodeJS — should be well versed with its asynchronous nature & event loop, and know its quirks and workarounds. 
• Excellent hands-on experience using MySQL or any other SQL Database. 
• Good knowledge of MongoDB or any other NoSQL Database. 
• Good knowledge of Redis, its data types, and their use cases. 
• Experience with graph-based databases like GraphQL and Neo4j. 
• Experience developing and deploying REST APIs. 
• Good knowledge of Unit Testing and available Test Frameworks. 
• Good understanding of advanced JS libraries and frameworks. 
• Experience with Web sockets, Service Workers, and Web Push Notifications. 
• Familiar with NodeJS profiling tools. 
• Proficient understanding of code versioning tools such as Git. 
• Good knowledge of creating and maintaining DevOps infrastructure on cloud platforms. 
• Should be a fast learner and a go-getter — without any fear of trying out new things Preferences. 
• Experience building a large scale social or location-based app.

About us:

Shiprocket is a logistics platform which connects Indian eCommerce SMBs with logistics players to enable end-to-end solutions.

Our innovative data-backed platform drives logistics efficiency, helps reduce cost, increases sales throughput by reducing RTO and improves post order customer engagement and experience.

Our vision is to power all logistics for the direct commerce market in India including first mile, linehaul, last mile, warehousing, cross border and O2O.

Requirement:

We are looking for a Software Engineer who will develop, record and maintain cutting edge applications for Shiprocket Platform.

Key Responsibilities

• Build innovative, state-of-the-art applications which have to perform at scale
• Prepare and maintain all applications utilizing standard development tools
• Develop backend data services and contribute to increase existing APIs
• Ability to act individually in a complex and fast paced environment
• Closely work with the Product and QA teams to ensure smooth delivery
• Participate in solution designing with Tech leads and Systems Architects
• Document the development process, architecture, and standard components
• Coordinate with co-developers and keep project manager well informed of the status of development efforts
• Keep abreast of new trends and best practices in web development

Skills:

• Great people skills to closely work with other teams.
• Strong in establishing systems & processes
• Expertise in Laravel or GoLang, MySQL and Git
• Thorough in Object oriented concepts
• Knowledge of restful Web services
• Understanding of web applications
• Working knowledge of one or more caching, queuing systems in desirable
•  
• Excellent problem solving
• Can do attitude

• Design and implementation of low-latency, high-availability, and performant applications
• Developing new features & refining existing features on server-side
• Implementation of security and data protection
• Integration of data storage solutions

• Proficient in NodeJS and experience working on frameworks such as Express, StrongLoop, etc.
• 2+ years experience working on consumer mobile products / businesses at scale.
• Proficient in asynchronous programming and its quirks and workarounds
• Experience working on User Authentication and Authorisation between multiple systems, servers, and environments
• Experience working on NoSQL DBs such as MongoDB
• Experience working on Unit Testing & Functional Testing frameworks for NodeJS

• become a part of our early team, and shape products from grounds up
• Attractive Compensation & Stock Options
• empowered to build an amazing startup culture with us
• full ownership and massive growth opportunities
• and more...

• Understand the fundamentals of Software Engineering, such as Data Structures, Algorithms, Design Patterns
• Ability to write Java applications using Spring, Springboot or any other microservices frameworks
• Experience in the development of REST applications, in Java or Kotlin
• Capable of writing effective APIs
• Solid knowledge of JVM fundamentals such as classloading, memory management, garbage collection
• Demonstrated experience in platform API design and development
• Knowledge on microservice and event-driven architecture
• Experience in working with version control frameworks such as Git (preferable), SVN
•      Experience with NoSQL databases (MongoDB or Cassandra) & Relational Databases
• Solid understanding of TDD & Agile principles such as CI / CD, with a proven track record of implementing solutions centred around those concepts
• Excellent communication, collaboration, reporting, analytical and problem solving skills