
Requirements
- Bachelors/Masters in Computer Science or a related field
- 5-8 years of relevant experience
- Proven track record of Team Leading/Mentoring a team successfully.
- Experience with web technologies and microservices architecture both frontend and backend.
- Java, Spring framework, hibernate
- MySQL, Mongo, Solr, Redis,
- Kubernetes, Docker
- Strong understanding of Object-Oriented Programming, Data Structures, and Algorithms.
- Excellent teamwork skills, flexibility, and ability to handle multiple tasks.
- Experience with API Design, ability to architect and implement an intuitive customer and third-party integration story
- Ability to think and analyze both breadth-wise (client, server, DB, control flow) and depth-wise (threads, sessions, space-time complexity) while designing and implementing services
- Exceptional design and architectural skills
- Experience of cloud providers/platforms like GCP and AWS
Roles & Responsibilities
- Develop new user-facing features.
- Work alongside the product to understand our requirements, and design, develop and iterate, think through the complex architecture.
- Writing clean, reusable, high-quality, high-performance, maintainable code.
- Encourage innovation and efficiency improvements to ensure processes are productive.
- Ensure the training and mentoring of the team members.
- Ensure the technical feasibility of UI/UX designs and optimize applications for maximum speed.
- Research and apply new technologies, techniques, and best practices.
- Team mentorship and leadership.

About Ongrid
About
OnGrid is a leading digital trust platform offering digital KYC, verifications, and background checks for onboarding employees, contractors users, merchants, customers, etc. Founded by IIT-B alumni, OnGrid has completed more than 500+ million checks across 3000+ happy clients.
At OnGrid, we are focused on redefining and reimagining trust, safety, compliance, and accountability through our platforms OnGrid, eLockr, and Gridlines. Having built these basic pillars of trust (and creating a profitable venture with 400+ full-time people in the process), we now want our imagination to be let loose think of avenues never explored, and execute in ways never implemented before.
OnGrid has three well-diversified products and has achieved MVP in all three. We’re proud to have top talent, including professionals from renowned companies like Microsoft, join our mission-driven team.
Best Part: The Space is growing rapidly and there is room for a lot of Tech Innovation.
Tech stack
Similar jobs
About the Role
We're seeking a skilled Java Developer with strong AWS cloud experience to join our
solution architecture team. You'll be building scalable backend systems, integrating diverse
enterprise platforms, and developing cloud-native solutions for clients across government,
agriculture, and manufacturing sectors.
Key Responsibilities
Application Development
• Design and develop robust Java-based backend services and APIs for enterprise
applications
• Build microservices architectures for cloud-native deployments on AWS
• Implement RESTful APIs and SOAP web services for enterprise integration
• Develop serverless applications using AWS Lambda and event-driven architectures
• Create data processing pipelines using AWS services
AWS Cloud Development
• Deploy and manage applications on AWS infrastructure (EC2, ECS, EKS)
• Implement serverless solutions using Lambda, API Gateway, and Step Functions
• Design and implement storage solutions using S3, EBS, and EFS
• Work with AWS databases (RDS, Aurora, DynamoDB)
• Implement messaging and queuing using SQS, SNS, and EventBridge
• Configure and manage application monitoring using CloudWatch
System Integration
• Design and implement integration solutions connecting disparate enterprise systems
• Build adapters and connectors for third-party APIs, legacy systems, and SaaS
platforms
• Implement enterprise integration patterns (message routing, transformation,
orchestration)
• Develop middleware solutions using AWS integration services
• Handle data synchronization, format transformations (XML, JSON, CSV), and
protocol conversions
Database & Performance
• Design and optimize database schemas for AWS RDS (PostgreSQL, MySQL) and
Aurora
• Write efficient SQL queries, stored procedures, and optimize database performance
• Implement caching strategies using AWS ElastiCache (Redis/Memcached)
• Configure database connection pooling and manage high-availability setups
• Troubleshoot database bottlenecks and resolve concurrency issues
Security & DevOps
• Implement AWS security best practices (IAM, Security Groups, KMS)
• Build CI/CD pipelines using AWS CodePipeline, CodeBuild, and CodeDeploy
• Configure application auto-scaling and load balancing
Quality & Best Practices
• Write clean, maintainable code following SOLID principles and design patterns
• Implement comprehensive unit and integration testing
• Participate in code reviews and technical design discussions
• Document technical specifications, API contracts, and AWS architecture diagrams
Required Skills & Experience
Core Java Expertise
• 3-5 years of hands-on Java development experience (Java 11+ preferred)
• Strong understanding of OOP concepts, data structures, and algorithms
• Experience with Spring Framework (Spring Boot, Spring MVC, Spring Data JPA)
• Proficiency in building RESTful and SOAP web services
AWS Cloud Experience (Must Have)
• 2+ years of hands-on AWS experience with production deployments
• Strong knowledge of core AWS services: EC2, S3, RDS, Lambda, API Gateway
• Experience with AWS networking: VPC, subnets, security groups, load balancers
• Understanding of AWS IAM, security best practices, and compliance
• Experience with AWS monitoring and logging (CloudWatch, X-Ray)
• Knowledge of AWS messaging services (SQS, SNS, EventBridge)
• Familiarity with AWS database services (RDS, Aurora, DynamoDB)
Integration Experience
• Experience with enterprise integration patterns and middleware solutions
• Knowledge of API design, development, and management
• Understanding of authentication/authorization mechanisms (OAuth2, JWT, SAML)
• Experience with data transformation and mapping frameworks
• Familiarity with integration protocols (HTTP/S, FTP/SFTP, SMTP, JMS)
Database Skills
• Strong SQL skills with relational databases (PostgreSQL, MySQL preferred)
• Experience with JPA/Hibernate ORM frameworks
• Understanding of database connection pooling and transaction management
• Knowledge of database migrations and versioning tools (Flyway/Liquibase)
Technical Stack
• Build tools: Maven or Gradle
• Version control: Git
• API documentation: Swagger/OpenAPI
• Testing frameworks: JUnit, Mockito, TestNG
• Containerization: Docker (experience with ECS/EKS is a plus)
Must have
• Proven usage of Agentic AI Tools in SDLC
Bonus Skills
• AWS Certifications (Developer)
• Experience with message brokers (Kafka, RabbitMQ, ActiveMQ, Amazon MSK)
• Kubernetes and container orchestration (EKS)
• AWS serverless application development (SAM, Serverless Framework)
• Experience with Apache Camel, MuleSoft, or other integration platforms
• CI/CD tools (Jenkins, GitLab CI, GitHub Actions, AWS CodePipeline)
• Knowledge React/Angular technologies for full-stack collaboration
• Experience with ERP/CRM systems integration
Desired Attributes
• Strong problem-solving and analytical thinking abilities
• Ability to design cloud-native architectures following AWS Well-Architected
Framework
• Good communication skills for interacting with clients and cross-functional teams
• Self-motivated with ability to work independently and in team environments
• Attention to detail and commitment to delivering quality solutions
• Cost-conscious approach to AWS resource utilization
Education
• Bachelor's or Master's degree in Computer Science, Information Technology, or
related field
• Equivalent practical experience will be considered
• AWS certifications are highly valued
-5+ years of experience working as a software engineer in a fast-paced environment.
-Well-versed with Golang or Javascript.
-Experience with AWS is a bonus
-You have analytical and problem-solving skills, and can communicate your ideas.
-Experience with WebRTC, iOS, Android, or C++ development is a bonus.
Responsibilities-
-Work closely with the founders and the team to plan, design, and build the next iterations.
-You will collaborate closely with other engineers on the team and lend your help in your areas of expertise.
-Build micro-services to support new functionality.
-Build best practices to improve the current API workflow
-Help design and develop the next iteration of our observability platform.
-Mentor and hire Junior Developers.
Required Skills:
- 3+ year of experience in Development in JAVA technology.
- Strong Java Basics
- SpringBoot or Spring MVC
- Hands on experience on Relational Databases (SQL query or Hibernate) + Mongo (JSON parsing)
- Proficient in REST API development
- Messaging Queue (RabitMQ or Kafka)
- Microservices
- Any Caching Mechanism
- Good at problem solving
Good to Have Skills:
- 4+ years of experience in using Java/J2EE tech stacks
- Good understanding of data structures and algorithms.
- Excellent analytical and problem solving skills.
- Ability to work in a fast paced internet start-up environment.
- Experience in technical mentorship/coaching is highly desirable.
- Understanding of AI/ML algorithms is a plus.
- 2-5 years of experience in building API services using NodeJS Express and related
frameworks
- Expert level understanding of NodeJS asynchronous runtime
- Expert level understanding of Javascript concepts on callbacks and closures
- Experience with Postgres, NoSQL, Redis, and Firebase real-time database
- Experience with AWS services like Elastic Beanstalk, Cloudfront, S3, EC2, Lambda,
API Gateway, SQS, etc
- Understanding of patterns and techniques for building scalable back-end
infrastructure including caching, rate limiting, authentication, and authorization
schemes.
- Experience in building highly scalable and high throughput services with
millisecond response times
- Experience working in a collaborative team environment
- Excellent communication & interpersonal skills
- Willingness to learn and pick up new technology along with patience to mentor
Bonus skills -
- Experience with ElasticSearch, Puppeteer
- Experience writing unit tests
What will I be doing? 👩💻👨💻
Leading parts of the product from inception to launch, and own large parts of the product’s execution.
Working with our Sales and frontend team to build products with the goal of delighting and increasing the success of our users.
Architecting, building, testing, and releasing product-facing features.
Contributing to our side projects and free tools for the education industry.
What do I need? 🤓
1-2 years of industry experience in a software engineering role, preferably building a SaaS product. You can demonstrate significant impact that your work has had on the product and/or the team.
Deep knowledge of a high-level programming language (for example, PHP, Python, etc.) but it doesn’t need to be a language that we use here! Great people are effective and learn what we use quickly (or introduce us to better ways of working)
Deep knowledge of SQL Databases
Experience with scalable distributed systems, both built from scratch as well as on AWS primitives
Willingness to learn and use new technologies
Extremely data-driven
Ability to debug complex systems
Brownie points 🍰
Using a framework (for example, Laravel, Code Igniter, Django)
Understanding of containerisation (Docker/Kubernetes) along with ability to deploy to AWS ECS (or similar tools)
Feel free to apply even if you feel unsure about whether you meet every single requirement in this posting. As long as you're a quick learner, and are excited about changing the status quo for tech recruitment, we're happy to support you as you come up to speed with our tech stack.
Perks 😍
Flexible vacation
Take a tutorial, on us
Monthly remote meals
Tech stack 🔨
PHP
Laravel
NodeJS
VueJS
Ionic Angular
Digital Ocean
AWS
MySQL
Why Classcard? 🚀
We are still in the early stages of our journey. You will be working closely with our users, acting on both their feedback and what our data says. Things you build here will have tremendous impact on both our business and Classcard as a company.
What happens after I apply? 🤔
-
Quick phone call with a member of our engineering team to find out more about your experience and why you want to work at Classcard.
-
Video interview:
Technical discussion with a senior engineer
Pairing on an interesting problem
Meet the founders
This is FTE Position
Client: Anblicks
Need Immediate joiners (1 week is fine)
Position : Backend Developer(NodeJs ,MongoDB & AWS)
Experience : 3-6 Years
Location : Ahmedabad / Hyderabad
- API Development 3 + years
- Node.JS (3 Years minimum)
- JavaScript
- AWS Lambda
- AWS API Gateway
- AWS Cognito
- MongoDB
- Front-end React (Plus as primary need is for API Development)
- Data Modelling Knowledge
- Need to provide sample code
Strong Hands-on experience in React using API development and Mongo DB is mandatory.









