Lead Fullstack AI Engineer

About the Role

We are hiring an experienced MERN Stack Developer who can independently build and scale full-stack applications from scratch. The ideal candidate must have strong skills in TypeScript, React.js, Node.js, Redux, and REST APIs, along with a solid understanding of microservices architecture, mobile API integrations, and responsive design.

Experience with LLMs, RAG architecture, Kafka, Redis, webhooks, and database systems like PostgreSQL, MySQL, and MongoDB is essential. You’ll be working on scalable systems, enterprise-grade platforms, and AI-integrated products.

Key Responsibilities

• Develop and maintain full-stack web applications using React.js (with TypeScript) and Node.js (Express/NestJS)
• Build and document robust RESTful APIs and mobile-ready endpoints
• Implement and consume webhooks for third-party integrations and internal event-based workflows
• Ensure responsive design principles across devices and screen sizes
• Integrate with mobile applications via secure and scalable APIs
• Work with databases including PostgreSQL, MySQL, and MongoDB
• Integrate Large Language Models (LLMs) and Retrieval-Augmented Generation (RAG) pipelines
• Build and deploy microservices architecture using Kafka, Redis, Docker, etc.
• Manage application state using Redux or Redux Toolkit
• Write test cases using Mocha, Chai, Jest, or similar frameworks
• Participate in system design, architecture discussions, and scalability planning
• Follow Agile practices, perform code reviews, and contribute to CI/CD pipelines
• Collaborate with cross-functional teams including UI/UX, DevOps, QA, and Product Management

Required Skills & Experience

• Minimum 4 years of hands-on experience with the MERN stack
• Strong proficiency in TypeScript, React.js, Node.js, and Redux
• Proven experience in building and consuming REST APIs and webhooks
• Deep knowledge of responsive UI/UX development
• Hands-on experience with mobile-first API design and integrations
• Strong knowledge of PostgreSQL, MySQL, and MongoDB
• Experience with Kafka, Redis, Docker, and microservices
• Exposure to LLM, GPT, RAG, or similar AI models
• Solid understanding of software architecture and ability to build systems from the ground up
• Working knowledge of API security, JWT, OAuth, and rate-limiting
• Familiar with test-driven development and QA practices
• Familiarity with Git, version control, and collaborative workflows good to Have
• Experience with GraphQL and gRPC
• Experience in building SaaS or AI-integrated platforms
• Familiarity with ElasticSearch or RabbitMQ
• Experience with AWS, GCP, or Azure
• Understanding of serverless and event-driven architectures
• 
  

Benefits

• Competitive compensation with performance-based hikes
• Flexible remote or hybrid work options
• Opportunity to work on cutting-edge technologies including AI and scalable SaaS platforms
• Strong leadership and learning-driven environment
• Learning budget for courses, certifications, and conferences

Key Responsibilities & Skills

Strong hands-on experience in React.js, Node.js, Express.js, MongoDB

Ability to lead and mentor a development team

Project ownership – sprint planning, code reviews, task allocation

Excellent communication skills for client interactions

Strong decision-making & problem-solving abilities

Nice-to-Have (Bonus Skills)

Experience in system architecture design

Deployment knowledge – AWS / DigitalOcean / Cloud

Understanding of CI/CD pipelines & best coding practices

Why Join InfoSparkles?

Lead from Day One

Work on modern & challenging tech projects

Excellent career growth in a leadership position

Position Overview

We are seeking a skilled Python Developer with expertise in LangGraph and LangChain to join our dynamic team at InfoSec Ventures, a leading technology company dedicated to pioneering advancements in cybersecurity and data protection. In this role, you will leverage your programming skills to develop powerful applications that enhance our product offerings and deliver exceptional value to our clients.

Key Responsibilities

• Design, develop, and maintain Python applications utilizing LangGraph and LangChain to improve data processing and analytics capabilities.
• Collaborate with cross-functional teams to gather requirements and deliver innovative solutions aligned with project goals.
• Optimize existing software and applications to enhance performance and scalability, ensuring robust functionality across various platforms.
• Implement best practices in coding and application development, including version control and unit testing, to ensure high-quality deliverables.
• Troubleshoot, debug, and resolve software defects and issues promptly.
• Stay up-to-date with the latest industry trends and technologies, particularly in Python development and language processing frameworks.
• Participate in code reviews and provide constructive feedback to foster a culture of continuous improvement within the development team.
• Document development processes, code changes, and project updates to support team collaboration and knowledge sharing.

Required Qualifications

• Bachelor’s degree in Computer Science, Software Engineering, or a related field.
• 3+ years of experience in Python development, with a strong focus on backend programming.
• Proven expertise in LangGraph and LangChain frameworks.
• Strong understanding of software development methodologies and tools, including Agile practices.
• Experience with database management systems (e.g., SQL, NoSQL) and data structures.
• Excellent problem-solving skills and ability to work independently as well as in a team environment.
• Effective communication skills to collaborate with technical and non-technical stakeholders.

Preferred Qualifications

• Familiarity with cloud platforms (e.g., AWS, Azure, Google Cloud) and containerization technologies (e.g., Docker, Kubernetes).
• Experience in developing APIs and integrating third-party services.
• Knowledge of machine learning libraries and frameworks (e.g., TensorFlow, PyTorch) is a plus.
• Contributions to open source projects or involvement in the tech community is highly regarded.

What We Offer

• Competitive salary commensurate with experience.
• Opportunities for professional growth and development in the fast-evolving field of cybersecurity.
• A dynamic work environment that promotes innovation and creativity.
• Comprehensive benefits package, including health insurance, retirement plans, and paid time off.
• A vibrant company culture that values teamwork, diversity, and employee well-being.
• Join us at InfoSec Ventures and be part of a team that is shaping the future of technology and cybersecurity.

Required skills

• 4-8 years of web-based application development in Python/Django
• Experience in Terrafoam.
• Competence in using scripting languages to automate tasks (Perl, Bash, PowerShell, Ruby, Python/Django or similar).
• Experience in working with Linux/Unix platforms.

You will:

• Write excellent production code and tests and help others improve in code-reviews
• Analyze high-level requirements to design, document, estimate, and build systems
• Coordinate across teams to identify, resolve, mitigate and prevent technical issues
• Coach and mentor engineers within the team to develop their skills and abilities
• Continuously improve the team's practices in code-quality, reliability, performance, testing, automation, logging, monitoring, alerting, and build processes

You have:

For (Fullstack):

• 2 - 10 Years of experience
• Strong with DS & Algorithms
• Hands on Experience in the Programming languages: JavaScript (React or Angular), Python, SQL.
• Experience with AWS.

For (Geo Team):

• 4 - 10 years of experience
• Experience with Big Data technologies like Hadoop, Spark, Map Reduce, Kafka, etc
• Experience using object-oriented languages (Java, Python)
• Experience in working with different AWS technologies.
• Experience in software design, architecture and development.
• Excellent competencies in data structures & algorithms.

For (Backend):

• 2 - 10 years of experience
• Hands on product development experience using Java/ C++/Python
• Experience with AWS,SQL,GIT
• Strong with Data structures and Algorithms

Additional nice to have skills/certifications:

For Java skill set:

Mockito, Grizzly, Netty, VertX, Jersey / JAX-RS, Swagger / Open API, Nginx, Protocol Buffers, Thrift, Aerospike, Redis, Kinesis, Sed, Awk, Perl

For Python skill set: Data Engineering experience, Athena, Lambda, EMR, Spark, Glue, Step Functions, Hadoop, Kinesis, Orc, Parquet, Perl, Awk, Redshift

For (Data Engineering):

• 2 - 10 years of experience
• Experience with object-oriented/object function scripting languages: Python.
• Experience with AWS cloud services: EC2, RDS, Redshift,S3,Athena, Glue
• Must be proficient in GIT, Jenkins, CICD (Continuous Integration Continuous Deployment)
• Experience in big data technologies like Hadoop, Map Reduce, Spark, etc
• Experience with Amazon Web Services and Dockers

• Design, develop and maintain features, services, products that are part of a company
• Own delivery of said features and services
• Own success of the products by tracking its lifecycle with customers
• Build systems that scale horizontally
• Write automated tests to ensure code quality
• Work with customers to build a product roadmap
• Work with sales & marketing to sell your product to end-users
• Work as an integral part of an agile software development team to build features end-to-end
• Support those features in the company production environment by participating in an on-call rotation

• Bachelor's degree in Computer Science or equivalent work experience
• 3+ years of experience working on teams to develop and deploy web or mobile applications
• Expertise with Javascript and NodeJS; knowledge of frameworks such as React.js is a big plus
• Experience writing and consuming RESTful APIs
• Expertise with data modeling
• Proficiency with git and Github workflows
• Expertise with test-driven development and automated testing
• Proficiency with SQL and NoSQL datastore
• Excellent analytical and problem-solving skills
• Excellent communication skills and fluent English
• Open to learn and work on new technologies

Senior Full Stack Engineer

At Aurigin we are building the world's largest deal origination platform to match middle-market corporates seeking capital with the most relevant providers of capital anywhere in the world. We believe our team and technology can transcend the geographical borders and connect fund seekers anywhere in the world with investors looking to lend and invest in the market. We have done over 125K introductions and over $600Bn of transaction value introduction on our platform. 

Used by leading financial institutions across North America, Western Europe, APAC, Latam and MENA, we help capital reach far beyond the traditional boundaries of sectors, geographies, and personal networks. Aurigin connects specific opportunities with precision, efficiency, and intelligence. It is designed to streamline the location, promotion and analysis efforts of professionals involved in deal-making while maintaining complete confidentiality about its members.

At Aurigin we believe a strong team can deliver great products. We are looking for a senior engineer who can be part of our team and work in an agile development environment. As a senior engineer you would be responsible or leading a team of our developers to define and grow our core platform. You would be working with the product team to understand, design, and implement new features and extensions to our platform. You would be responsible for mentoring and guiding junior engineers.  We are looking for someone who has a sound understanding of fundamental design principles of software development. 

• 6-8 years of relevant software development experience
• Extensive experience of building and designing web applications 
• Experience with designing and architecting web applications with SPA framework on the frontend and service oriented framework on the backend.
• Proficiency in either one of front-end or backend technologies 
• Experience working in a scrum based agile team.

• Experience with Java or JVM based frameworks
• Experience with React library and ecosystem.
• Knowledge of vanilla JavaScript is a big plus.
• Past experience working in a start-up and/or fintech industry.

Requirements:

• Understanding of fundamental design principles for building a scalable application in the web/win platform.
• Proven experience as a .NET Developer or Application Developer.
• Hands-on experience in ASP.NET framework, SQL Server and design/architectural patterns (e.g. Model-View-Controller (MVC)).
• Hands-on experience of at least one of the .NET languages (e.g. C#, Visual Basic .NET).
• Familiarity with architecture styles/APIs (REST, RPC).
• Excellent troubleshooting and communication skills.