OneCard

Machine Learning Engineer

Job · Full-timeWork from HomeKolkata, West Bengal0–2 years60K/mo1 openingImmediate / as per notice period

About this role

OneCard is hiring a Machine Learning Engineer in Kolkata. This is a full-time, permanent role with real ownership from the first quarter — you will be given work that ships, reviewed by people who know the craft, and the context to understand why it matters. About the role The Machine Learning…

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Skills you'll use

PythonScikit-learnPyTorch or TensorFlowFeature EngineeringModel EvaluationSQLModel DeploymentExperiment TrackingStatisticsGit

What you'll do

Build, train and evaluate models against a defined metric
Engineer features and check for leakage before trusting results
Deploy models and monitor them for drift
Run experiments and report results without overclaiming
Work with engineering on serving and latency
Flag risks and blockers early rather than at the deadline
Keep your tracker and status honest, including when something has slipped

Who can apply

B.E./B.Tech, BCA/MCA, B.Sc/M.Sc (Statistics / Mathematics) or MBA (Analytics) from a recognised university
0–2 years of relevant experience — internships, academic projects and personal work all count, and 2026 graduates are welcome
Working knowledge of Python, Scikit-learn, PyTorch or TensorFlow
Comfort with Python, PyTorch or TensorFlow and a serving stack, and the ability to pick up an unfamiliar tool without waiting to be taught it
The judgement to know when a problem is yours to solve and when it needs escalating — and to escalate with the relevant detail attached.
Attention to detail, ownership and the discipline to document your work
Based in Kolkata, West Bengal or willing to relocate (remote candidates across India may also apply)

Perks & benefits

Employee referral and performance bonus schemesTeam offsites and regular in-person timeSupport for internal mobility across teamsFixed monthly salary, paid on timeStructured onboarding with a named mentor for the first 90 daysHealth insurance cover for you (and family cover on confirmation)Learning and certification budgetPaid leave, casual leave and public holidays

Interview & selection process

3 rounds — typical selection flow for this role:

1Resume screening and profile shortlisting by the talent acquisition team
2Final discussion covering role expectations, compensation and start date
3HR discussion — compensation, notice period, joining date and offer roll-out

About OneCard

OneCard operates in the fintech sector and runs an active team in Kolkata. It is a working employer with real customers and real deadlines — the role advertised here exists because there is work that needs doing, not to fill a headcount plan. Industry and what the company does OneCard works in…

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