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Data - AI / ML Engineer 

Full-Time   |   On-site, Kolkata   |   Immediate Joining   |   4+ years experience

ABOUT US 

Company Name: Freeflow ventures

We are a venture building and investment firm focused on emerging markets across India, the Middle East, and Africa. We work with early-stage startups -diagnosing gaps, structuring interventions, and preparing them for investor-readiness through a proprietary data and intelligence platform.

Our platform combines automated data verification, startup scoring, and structured workflow automation to bring consistency and credibility to early-stage investment decisions. We are at an active build and expansion phase, and this role sits at the core of that infrastructure.

ROLE OVERVIEW

We are looking for a Data - AI / ML Engineer who can own both the data pipelines that bring verified information into our platform and the intelligence models that turn that information into reliable startup scores.

This is a dual-responsibility role. You will be expected to build and maintain robust data infrastructure as well as develop, calibrate, and improve machine learning models. Both are equally important to the platform.

You will work closely with the Platform Owner and alongside a Backend Engineer who owns system integrations and workflow logic. Your work produces the scored intelligence output. The Backend Engineer's work connects that output to platform actions. The two roles are tightly interdependent and require close daily collaboration, especially in the first 30 days.

Note: You are the first technical hire on the platform team. The Backend Engineer joins the same week. Clear communication, well-defined handoff points, and shared documentation between the two of you are non-negotiable from Day 1.

WHAT YOU WILL DO

Data Pipeline

• Build and maintain pipelines that collect, clean, and normalize data from multiple external sources into a consistent, usable format
• Design connector architecture that allows individual data sources to be added, swapped, or removed without rebuilding the entire pipeline
• Implement automated data quality checks that catch bad data before it reaches the scoring layer -anomaly detection, constraint enforcement, and schema validation
• Build an automated eligibility screening system that verifies whether a startup has sufficient verified data before assessment begins
• Ensure the pipeline is resilient -critical data signals must have backup sources so a single vendor failure does not disrupt platform output
• Structure data storage to support different regulatory requirements across multiple countries -data from different regions must be handled according to the rules of that region

AI and Machine Learning

• Audit the existing scoring engine before making any changes -understand what it does, how it was built, and what would be lost if it were modified
• Calibrate scoring models against real portfolio data so that scores are meaningful, consistent, and comparable across different startup types and stages
• Build confidence scoring logic that determines when the system is certain enough to act autonomously and when it should route to human review
• Ensure every model output is explainable -investors must be able to see exactly which data points drove a score, not just the final number
• Build a feedback loop so that real-world outcomes feed back into the model over time, making it progressively more accurate
• Maintain a structured data store of assessment outputs and outcomes that the model uses to improve

Working With the Backend Engineer

• Define a clear data contract at the handoff point -what data you produce, in what format, and what the Backend Engineer can expect to receive
• Collaborate on trigger logic -what score thresholds or confidence drops should fire what system actions
• Align on data schema requirements so that the APIs the Backend Engineer builds conform to the structure your pipeline produces
• Communicate blockers early -the pipeline and backend system are built simultaneously, so delays on one side directly affect the other
• Document everything you build so the Backend Engineer and Platform Owner can understand, debug, and extend it without depending on you for every question

WHAT WE ARE LOOKING FOR

Skills are divided into two categories. Must Have means the role cannot function without it. Good to Have means it gives you an edge.

Skill

Priority

Data Engineering

Building and maintaining data pipelines from multiple sources

Must Have

Data normalization and schema design

Must Have

Automated data quality validation

Must Have

API integration across different source types

Must Have

Pipeline orchestration and scheduling

Must Have

Cloud infrastructure -storage, compute, and deployment

Must Have

Version control and code documentation

Must Have

AI and Machine Learning

Building and calibrating supervised machine learning models

Must Have

Model explainability -making model outputs traceable and interpretable

Must Have

Confidence scoring and threshold calibration

Must Have

Experiment tracking and model versioning

Must Have

Building feedback loops that improve models over time using real-world outcomes

Must Have

Natural language processing or document understanding

Good to Have

Vector databases and semantic search

Good to Have

Collaboration and Context

Ability to define clear data contracts and handoff points with backend engineers

Must Have

Clear written documentation of pipeline logic, model decisions, and failure modes

Must Have

Prior experience working in or with early-stage startups

Good to Have

Exposure to financial data, investment platforms, or data verification systems

Good to Have

WHAT WE OFFER

• Competitive compensation based on experience -discussed during the interview process
• Ownership of both the data and intelligence layers from Day 1 -this is not a support or maintenance role
• Direct access to the Platform Owner and Founder 
• Close collaboration with a Backend Engineer from Day 1 -the two roles are designed to work as a unit
• Work on a genuinely novel problem in an emerging market context
• On-site Kolkata with a small, high-accountability team
• Opportunity to scale the platform across multiple international markets

What we are looking

• You must have experience in Python, including development of microservices using flask/fastapi/sanic.
• You hold knowledge of at least one Python web frameworks
• You have experience in NoSQL databases such as MongoDB
• You are familiar with relational databases and unstructured data.
• You are familiar with some ORM (Object Relational Mapper) libraries.
• You have prior exposure to code versioning tools such as Git.
• You understand fundamental design principles behind a scalable application

Good to have

• Experience in cloud services such as AWS
• Knowledge of user authentication and authorization between multiple systems, servers, and environments
• Understanding of the threading concepts in Python and multi-process architecture

What you'll do

• Create database schemas that represent and support business processes
• Integrate multiple data sources and databases into one system.
• Develop and integrate RESTful APIs and services for business use cases
• Perform unit and integration tests on developed modules

💼 Position: QA Engineer (Manual, Automation & Performance Testing)

🏢 Company: Webvio Technologies Pvt. Ltd.

📍 Location: Kolkata;NewTown (Work from Office)

🕒 Shift Timing: 10:00 AM – 7:00 PM

💰 Salary: Up to ₹50,000 per month (Based on experience)

🗓️ Working Days: 5 Days a Week |

Key Responsibilities:

Design, develop, and execute test cases for web and mobile applications.

Perform manual, automation, and performance testing to ensure product quality.

Identify, record, and track software defects.

Collaborate closely with development teams to resolve issues efficiently.

Create and maintain automation scripts and test frameworks.

Conduct regression testing and ensure smooth product releases.

Required Skills & Experience:

Minimum 5+ years of experience in software testing.

Strong knowledge of Manual Testing, Automation Testing (Selenium, TestNG, or similar), and Performance Testing (JMeter or LoadRunner).

Experience with bug tracking tools like JIRA or Bugzilla.

Good understanding of SDLC, STLC, and Agile methodologies.

Excellent analytical, problem-solving, and communication skills.

• OWASP Secure Code review,• Basic programing knowledge in any programming language and knowledge on secure development practices.
• OWASP TOP 10 vulnerabilities and their mitigations
• Hands on experience in Web Application Security Testing tools (SAST & DAST) and Penetration testing tools such as HP Fortify, Checkmarx, Acunetix, Nessus, Burp Suite, Metasploit., Qualys Guard, Kali Linux , etc.
• Understand/modify exploit code and find logical security flaws in applications
• Should have knowledge and experience on Network Security, Application Security, Internet Security, attack vectors.
• To carry out technical vulnerability assessments, identify potential vulnerabilities and provide recommended controls and support to mitigate them.

We are looking for a Mobile App Developer for one of the leading TMT bar manufacturers and exporters in India.

Please find below details for your reference :-

Role - Mobile App Developer

Exp - 3 to 8 years

Job Location - Kolkata

About the Company :-

Our Client is one of the leading TMT bar manufacturer and exporter in India. It is a well known group that achieves a turn over of 3000 Cr per annum. The group is setting a construction & architecture oriented omni channel B2B & B2C platform.

Roles & Responsibilities:

- 3-7 yrs of experience in developing new features and user interfaces from wireframe models.

- Ensuring the best performance and user experience of the application

- Fixing bugs and performance problems

- Writing clean, readable, and testable code

- Cooperating with back-end developers, designers, and the rest of the team to deliver well-architected and high-quality solutions

- Complete knowledge of the Uploading app on google play store and Apple app store

- Through analytical skills to Recommend system solutions by comparing advantages and disadvantages of custom development and purchase alternatives.

Requirements :-

- Extensive knowledge about mobile app development. This includes the whole process, from the first line of code to publishing in the store(s)

- Deep knowledge of Kotlin, Flutter,Android, iOS, etc.

- Proficiency with writing automated tests. depending on the libraries you use to test

- Familiarity with RESTful APIs and mobile libraries for networking

- Experience with profiling and debugging mobile applications

- Strong knowledge of architectural patterns - MVP, MVC, MVVM, and Clean Architecture and the ability to choose the best solution for the app

- Familiarity with Git

- Familiarity with push notifications

- Understanding mobile app design guidelines on each platform and being aware of their differences

- Proficiency in Kotlin/Java/Swift/Flutter/Dart

Location -Kolkata/Mumbai

Job Description:

-             Write, edit, and proof articles for Internal Communications

-             Write copies for branding collaterals like posters, brochures etc.

-             Co-ordinate with business units to gather information and craft articles, messages, or newsletters

-             Responsible for managing content and updating the Intranet using the CMS

-             Message and Newsletter creation using builder tool

-             Writing and editing for marketing collaterals

Specification / Skills / Experience

• Good writing experience
• Proficiency in English, a very high standard of both spoken and written language
• Independent and self-manage the work load
• Robust writing skills - the selected candidate will be writing and editing content on a daily basis
• University degree in journalism, media studies or related qualification
• A cross-cultural background
• Ability to manage more than one project at a time working under tight deadlines
• Strong organizational skills
• Working knowledge of Microsoft Word, Excel & PowerPoint, Photoshop (added advantage).

Primary Skills: Excellent writing and communication skills. Exposure to on-line content along with content management skills

Secondary Skills: Exposure to social media; project planning

• Demonstrate, present and promote services to salons, spas & gyms (Beauty & Wellness Industry)
• Should have excellent verbal & presentation skills
• Knowlege of local language is a must
• Should be inovative and target driven
• Willing to travel
• Demonstrate honesty & integrity