
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 Recro
About
Recro is a developer-focused platform that was founded with the aim of seamlessly matching individual expertise with the right opportunities.
We empower talented developers by providing them with relevant experience at fast-growing startups based on technical competencies and aspirations. These opportunities have a significant impact on their career success and help them become their best self.
On the other hand, startups get instant access to top-quality developers with guaranteed productivity from the very beginning. We help them to scale up/down based on their needs, thus ensuring an efficient and high-yielding workforce.
Developers solve real-time complex problems and get exposure to the uplifting and challenging work culture at start-ups like Flipkart, Dunzo, Swiggy, and Zivame among many others. At Recro, we ensure continuous support from our strong community to accelerate careers for developers and strive to create optimal business outcomes for high-growth startups.
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Required Qualifications:
- 5+ years of professional software development experience.
- Post-secondary degree in computer science, software engineering or related discipline, or equivalent working experience.
- Development of distributed applications with Microsoft technologies: C# .NET/Core, SQL Server, Entity Framework.
- Deep expertise with microservices architectures and design patterns.
- Cloud Native AWS experience with services such as Lambda, SQS, RDS/Aurora, S3, Lex, and Polly.
- Mastery of both Windows and Linux environments and their use in the development and management of complex distributed systems architectures.
- Git source code repository and continuous integration tools.
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.
PHP Developer Responsibilities:
- Conducting analysis of website and application requirements.
- Writing back-end code and building efficient PHP modules.
- Developing back-end portals with an optimized database.
- Troubleshooting application and code issues.
- Integrating data storage solutions.
- Responding to integration requests from front-end developers.
- Finalizing back-end features and testing web applications.
- Updating and altering application features to enhance performance.
PHP Developer Requirements:
- Bachelor’s degree in computer science or a similar field.
- Knowledge of PHP web frameworks including Laravel, MySQL, API Development, OAuth, JWT, Git.
- Understanding of object-oriented PHP programming.
- Previous experience creating scalable applications.
- Proficient with code versioning tools including Git.
- Familiarity with MySQL databases.
- Ability to project manage.
- Good problem-solving skills.
Company link: https://www.catalystmi.com/" target="_blank">https://www.catalystmi.com/
Job Location: Mumbai (Hybrid)
Key Responsibility Areas:
- Develop tools and applications by producing clean, efficient code.
- Determine operational feasibility by evaluating analysis, problem definition, requirements, solution development and proposed solutions
- Perform validation and verification testing and debud code.
- Work collaboratively with others to achieve goals
- Experience working in an agile environment
Required Skills:
- Experience in implementing Object-Oriented Python, Django.
- Good understanding on Django
- Experienced in interfacing with *third party API’s using REST
- Worked with varieties of Relational Databases (RDBMS) like SQLite, MySQL, PostgreSQL.
- Experience in Version Control with Git and Bitbucket.
- Experience with JIRA the development progress and tracking deadlines of the project
Responsibilities:
- Help impacts software quality and customer experience (CX) of product features.
- Able to convert an LLD into code. Codes may need some refinement.
- Solutions are tested (continuously testable, when possible) and may need
- refinement.
- Able to write reusable and well-structured code.
- Understands software architecture (layers, software component, etc), has
- knowledge about patterns
- Understand and can use Algorithms, Data structures in solving problems.
Basic Qualification:
- Bachelor's degree in computer science or related technical discipline 0-1 years of experience
- Impactful internship, if fresher out of college- preferred with reputed techno-product orgs
- Excellent Functional skills- understands software architecture (layers, software
- components) and has knowledge about design patterns.
- Programming experience with at least one modern language such as Java, Node.js including object-oriented design.
- Computer science fundamentals in object-oriented design, data structures, algorithm design, problem solving, and complexity analysis.
Hood is a new-age anonymous social network.
Hood has recently raised $3.2Mn seed funding and is backed by top VCs, 16+ unicorn founders including Vijay Shekhar Sharma - PayTM CEO, Ritesh Agarwal- OYO CEO, Kunal Shah - Cred CEO and outstanding management team.
Role & Responsibilities
- Execute full lifecycle software development
- Architect and conceptualize the product from initiation
- Program well-designed, testable, efficient code Develop flowcharts, layouts, and documentation to identify requirements and solutions
- Integrate software components into a fully functional software system
Qualifications: -
- Bachelor's degree in Computer Science, Software Engineering or a related technical discipline.
- 2-4 years of experience in software design and development.
- Strong coding skills (JavaScript/Typescript, Node.js).
- Strong database design (MySQL/DynamoDB) and query writing skills with a commitment to performance and efficiency.
- Working knowledge of RESTful API paradigms.
- Experience building distributed domain-driven microservices.
- Strong understanding of database and storage fundamentals.
- Experience with AWS stack.
- Computer Science fundamentals in object-oriented design, data structures, algorithm design, problem-solving, and complexity analysis.
- Knowledge of React.js is a plus.
- Startup experience is a plus.
What you can expect from us
1.Learning Budget: If there's a workshop, book, or event you think will help you learn, we'll cover your bill.
2.Health insurance for you and your family.
What happens after you apply?
Step 1: Within 7 days of your application our wholesome, original & expressive - our People Team will reach out to you for a quick chat.
Step 2: Within 4-6 days of chatting with the People Team, you will get a call from someone from your future team to discuss the job role.
Step 3: If all goes well, we’ll schedule a call with your future manager to deep dive into the role with you and for you to show off your skills through a small task.
Step 4: After a quick interaction with the People Team, If our vibes match, a quick call with our Founders.
If we mutually enjoy the 4 steps, we onboard you with a big smile :)
NOTE
At any step, if things don't work out, we will proactively send out an email. You are welcome to
ask for detailed feedback and re-apply in the future.
We prefer [Passion>Skills>Education]
Our Client is B2B SaaS Product Co. in the space of HR Technology. They are helping organisations to take informed decisions in the areas like Hiring, Training and Career Succession processes. The company was formed in 2010 and since has become a market leader in HR technology space. The founders are alumni of Stanford University and their employees have experience in working with PWC, McKinsey and other similar leagues of organisations.With a bright vision of the founders, the organisation is in an expansion mode to capture niche markets and become a global leader in this domain.
- Experience in Back-End development using Ruby on Rails or NodeJS
- Experience in working on at least two of MongoDB / Postgres / MySQL & Redis
- Experience on MVC patterns using frameworks like Rails, ExpressJS
- Strong understanding of RESTful APIs and HTTP protocol
- Understanding Security aspects of the applications and can successfully implement OWASP compliant systems
- Strong understanding of Linux OS, File Systems, Firewalls etc
- 3 years Experience in Ruby on Rails
- Minimum 3 years in MongoDB / PostgreSQL
- Must be from Product based companies
Work remotely / Work From Home with BigStep Technologies throughout your tenure.
Desired candidates must have 3-6 years experience as NodeJs Developer.
Roles and responsibilities:
- Responsible for understanding functional and business requirements and translate them into effective code
- Provide support till deployment of code into production.
- Ownership for ensuring code optimization, problem diagnosis, and on-time delivery
- Implement solutions as per the pre-defined framework /guidelines and adherence to processes
- Finding an optimal solution for the problem statement
- Conduct peer code review.
Skills:
- Excellent hands-on experience with Node.Js, Express.Js, JavaScript
- Understanding the nature of asynchronous programming and its quirks and workarounds
- Excellent hands-on experience with MongoDB, Mongo aggregation, MySQL
- Ability to build REST services, Authentications, MVC applications
- Excellent Object Oriented Programming skills and ability to write modular, secure, scalable, and maintainable code
- Experience with Elastic Search, Redis.
- Knowledge about AWS components (S3, EC2, Cloudfront, Redis Clusters, etc.)
- Self-learning abilities are required
- Familiarity with upcoming new technologies is a strong plus

Position - PHP Developer
Location Bangalore
Key Deliverables
What You'll Do
- Involve in full life-cycle application development.
- Developing Web-based Applications by using PHP framework
- Write clean, well-designed code
- Own production services, investigate and resolve issues.
- Good problem solving skills and willing to learn new technology
Qualifications & Work Experience
What makes you a great fit :-
- · Min 5-9 Years of experience in application development
- Experience in handling a team
- · Strong programming knowledge and hands-on experience with PHP
- · Strong Knowledge in Laravel Framework
- · Python Programming Experience is a plus
- · Good command and Knowledge of AJAX, HTML & CSS
- · Experience with rich client frameworks such as Vue.js, React etc
- · Must have demonstrated experience in working with Mongo DB.
- · Hands-on experience with Elasticsearch and Redis
- · Experience with Cloud infrastructure like Azure and Rackspace is a plus
- · Comfortable with agile practices, user stories and task breakdown
- · Excellent communication skills, both verbal and written
- Experience working with version control systems (Git)
- · Ability to work in a fast paced and dynamic work environment
Education Qualification
- Bachelor of Engineering in Computer Science or equivalent (Full-Time)
Soft Skills
- Being organized, responsible for your work, and being a team player
- Bringing a positive attitude to the office
- Sticking to the deadlines
- Learning and adapting fast; taking charge and being willing to listen













