Data Entry Specialist with Telecom Experience

ABOUT ME

Results-driven Account Manager with *+ years of experience in telecom and customer-facing roles, specialising in wholesale voice, DID services, and international routing. Proven expertise in rate negotiation, client onboarding, account growth, payment follow-ups, and upselling. Strong commercial acumen with a track record of maintaining profitable, long-term client relationships. SKILLS

Account Management & Client Retention / Microsoft Office / Rate Negotiation (Voice & DID) / Social Media / Upselling & Cross-selling Telecom Services / Commercial & Profitability Analysis / Traffic Monitoring & Quality Management

WORK EXPERIENCE

Microtalk Europe Ltd – Kolkata, India

Account Manager

[ 04/03/2025 – Current ]

Manage key European and international client accounts with full commercial ownership.

- Negotiate competitive voice and DID rates with customers and upstream suppliers.

- Handle end-to-end onboarding including documentation, routing setup, testing, and launch.

- Monitor traffic quality, volumes, and margins; coordinate with NOC for issue resolution.

- Manage payment follow-ups, credit limits, and collections in coordination with finance teams.

- Drive revenue growth through upselling and cross-selling of telecom services.

- Prepare sales, usage, and profitability reports for management and clients

Microtalk Europe Ltd – kolkata, India

Team Lead

[ 05/2019 – 03/2025 ]

Led a team of 6–7 professionals handling customer support, collections, and service delivery.

- Managed customer accounts, billing queries, and dispute resolution.

- Identified upsell opportunities to increase ARPU and customer satisfaction.

- Worked closely with UK telecom processes and international clients.

- Improved team efficiency and customer satisfaction through structured workflows

Tech Mahindra – kolkata, India

Leou Hazarika

Nationality: Indian Date of birth: 17/12/1994 Place of birth: kolkata, India Gender: Male

Phone number: +91-093********

Email address: ***************@*****.***

Whatsapp Messenger: 919*********

LinkedIn: Leo Hazarika

Home: AD 133/D keshtopur, salt lake sector v 700102, 700102 kolkata (India) Other language(s):

English

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Hindi

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Customer Support Executive

[ 10/2018 – 04/2019 ]

- Delivered high-quality customer support across multiple service platforms.

- Resolved customer issues efficiently while maintaining service quality standards. ADDITIONAL SKILLS

- Website design & management using WordPress - Basic digital marketing (SEO, social media promotion) - CRM tools (HubSpot), Microsoft Office, Zoom, Outlook - Strong written and verbal communication

EDUCATION AND TRAINING

Higher Secondary (10+2)

Assam Higher Secondary Board of Education

CERTIFICATIONS

[ Successfully completing the Dreamport Certification For the role of Independent Travel Manager ] Travel Manager Certification

LANGUAGE SKILLS

Mother tongue(s): Assamese

Levels: A1 and A2: Basic user; B1 and B2: Independent user; C1 and C2: Proficient user HOBBIES AND INTERESTS

Digital creator, Singing, Travelling

DECLARATION

I hereby declare that all the information provided in this CV is true to the best of my knowledge. I understand that any false statement or omission may disqualify me from consideration for employment or lead to termination if discovered after employment. Kolkata ( WB), 2026

Leou Hazarika

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