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Required Skills & Qualifications
- Bachelor's/Master’s in Computer Science or related field
- 5–8 years of backend development experience
- Strong in Java, Spring Boot, REST APIs, and microservices
- Hands-on experience with MySQL/PostgreSQL and NoSQL databases
- Strong debugging, problem-solving, and communication skills
- Ability to work independently and in cross-functional teams
Preferred Traits
- Proactive mindset with a knack for identifying and fixing bottlenecks
- Detail-oriented with a passion for clean, maintainable code
Team-oriented with a drive for continuous learning and improvement
Backend Engineer (MongoDB / API Integrations / AWS / Vectorization)
Position Summary
We are hiring a Backend Engineer with expertise in MongoDB, data vectorization, and advanced AI/LLM integrations. The ideal candidate will have hands-on experience developing backend systems that power intelligent data-driven applications, including robust API integrations with major social media platforms (Meta, Instagram, Facebook, with expansion to TikTok, Snapchat, etc.). In addition, this role requires deep AWS experience (Lambda, S3, EventBridge) to manage serverless workflows, automate cron jobs, and execute both scheduled and manual data pulls. You will collaborate closely with frontend developers and AI engineers to deliver scalable, resilient APIs that power our platform.
Key Responsibilities
- Design, implement, and maintain backend services with MongoDB and scalable data models.
- Build pipelines to vectorize data for retrieval-augmented generation (RAG) and other AI-driven features.
- Develop robust API integrations with major social platforms (Meta, Instagram Graph API, Facebook API; expand to TikTok, Snapchat, etc.).
- Implement and maintain AWS Lambda serverless functions for scalable backend processes.
- Use AWS EventBridge to schedule cron jobs and manage event-driven workflows.
- Leverage AWS S3 for structured and unstructured data storage, retrieval, and processing.
- Build workflows for manual and automated data pulls from external APIs.
- Optimize backend systems for performance, scalability, and reliability at high data volumes.
- Collaborate with frontend engineers to ensure smooth integration into Next.js applications.
- Ensure security, compliance, and best practices in API authentication (OAuth, tokens, etc.).
- Contribute to architecture planning, documentation, and system design reviews.
Required Skills/Qualifications
- Strong expertise with MongoDB (including Atlas) and schema design.
- Experience with data vectorization and embeddings (OpenAI, Pinecone, MongoDB Atlas Vector Search, etc.).
- Proven track record of social media API integrations (Meta, Instagram, Facebook; additional platforms a plus).
- Proficiency in Node.js, Python, or other backend languages for API development.
- Deep understanding of AWS services:
- Lambda for serverless functions.
- S3 for structured/unstructured data storage.
- EventBridge for cron jobs, scheduled tasks, and event-driven workflows.
- Strong understanding of REST and GraphQL API design.
- Experience with data optimization, caching, and large-scale API performance.
Preferred Skills/Experience
- Experience with real-time data pipelines (Kafka, Kinesis, or similar).
- Familiarity with CI/CD pipelines and automated deployments on AWS.
- Knowledge of serverless architecture best practices.
- Background in SaaS platform development or data analytics systems.
Opportunity Summary
We are looking for an enthusiastic engineer with experience building Salesforce AppExchange apps to lead the development of Salesforce connectors for our marketing technology products.
What would you do?
· Collaborate with stakeholders in establishing application requirements, determining features, creating customer-friendly solutions, and determining support needs and performance requirements.
· Plan, design, develop, test, and deploy software to satisfy these requirements.
· Work according to the agile programming application development methodology adhered to including test-first, iterative development, and continuous re-prioritization.
· Support the maintenance of our hosted technology solutions.
· Work with other team members in accomplishing group objectives and participating in code reviews.
· Ensure timely and robust implementation of the company’s development plans.
· Ensure that all relevant parties are kept up to date on progress of projects and give feedback on an ongoing basis.
· Contribute to the review, selection, and adoption of proprietary tools and technologies.
· Use specialist knowledge and experience of information technology to provide technical advice and vision.
Technical Skills
The following skills are needed for this role.
Experience
· 3+ years’ experience in web application design and development
· Bachelor’s Degree in relevant discipline or equivalent experience
Primary Skills
· Strong background in Java development
· Experience working with databases and/or CRM systems.
· Experience with, or willingness to learn the Salesforce platform
Secondary Skills (nice to have)
· Experience with Salesforce APEX, VisualForce, SOQL, etc.
· Experience building and maintaining Salesforce AppExchange apps.
· AWS ecosystem and tools, developing for serverless environments.
· Front-end expertise: HTML, CSS, JavaScript, etc.
· Other languages such as JavaScript, Typescript, C#, Ruby, Python, PHP, etc. are all valuable.
Soft Skills
· Thrives collaborating in a team environment with a diverse range of people.
· Passionate about delivering an amazing customer experience.
· Able to have a change of mind, and able to change the minds of others.
· Writes clearly and concisely.
· Capable of working without a company office, with a fully remote team.
Growth Skills
· Possesses a good work ethic; a self-starter with a desire to grow.
· Always looking for better ways to get the job done.
Senior backend developers
Minimum 5 years of experience
Backend skills: MongoDB, Node.js
Remote work available
(We prefer individual developers over agencies or IT providers)
Roles and Responsibilities
SponsifyMe Technologies(EasyLeadz) is looking for a CakePHP/PHP Developer.
- Helping senior developer build bank end and front end services and products.
- You will also be responsible for integrating third party API's into the application. A basic understanding of front-end technologies is necessary as well.
- Knowledge of python and mongodb will be an added advantage.
The role is hybrid i.e both in office and work from home for rest of the days.
We have a product EasyLeadz used by over 80000 businesses worldwide, software subscription.
We are expanding our team to grow it further.
Desired Candidate Profile
A minimum of 1 year of experience working in PHP. Ideally MongoDB and Restful API too.
Perks and Benefits
- Market standard salary
- Work from home till covid restrictions are in place, hybrid work environment later on.
- No pressure, only Monday to Friday work
- Working with a fast growing company that already serves 95,000+ customers globally including Microsoft, Amazon.
- Working directly with the founder & CTO of the company.
- Support existing code of PHP webserver
- Proficient in PHP, JavaScript, jQuery, HTML, and MySQL
- Hands-on any PHP-based framework/CMS like Laravel, CakePHP, Zend, CodeIgnitor, Yii.
- Must write efficient code with documentation.
- Any Database: MySQL, MongoDB, NoSQL DBs, postgresql.
- Has experience debugging code.
- Analysis of current DB structure and change table structures as and when required
- Implementation of visual representation of DB data in the form of charts and graphs
- The eventual implementation of a new UI theme with customizations such as drop-down menu data, as well as linking the UI theme front-end with the back-end MySQL
- Implementation of new PHP web services for functions such as analytics, and new modules to existing services
- Ensure cross-platform compatibility of information retrieved from web services on
- Android and iOS platforms, in terms of Push Notifications, platform-specific issues, etc.
- Implementation of SSL security to all web services, logins, and API calls
- Familiar with XMPP would be a plus point.
Role and Responsibilities:
- As a backend developer, your primary focus will be the development of all server-side systems
- A basic understanding of front-end technologies is necessary as well. You will test, secure and deploy your code
- Work experience on Node.js is a must along with a server-side framework like Express.js
- Strong proficiency in JavaScript
- Writing reusable, testable, and efficient code
- Experience and proficiency integrating with REST APIs
- Understanding of scalable computing systems, software architecture, data structures, and algorithms
- Experience in working with databases such as MongoDB, Redis, Elasticsearch, etc.
- AgileScrum development cycle understanding.
Skills Required:
- At least 2 years of experience developing backends using NodeJS should be well versed with its asynchronous nature & event loop, and know its quirks and workarounds.
- Good knowledge of MongoDB(Must) & any other MySQL Database.
- Good knowledge of Redis, its data types, and their use cases.
- Experience developing and deploying REST APIs.
- Knowledge and working experience in Cloud environment - AWS or Azure
- Good knowledge of Unit Testing and available Test Frameworks.
- Should be a fast learner and a go-getter without any fear of trying out new things











