§ PATH ONE
Work with Jubayer
- Verified Lead Generation
- Targeted Email List Building
- Cold Email Infrastructure
- LinkedIn Prospecting
JubayerAhmed
B2B Lead Generation
& Cold Email Systems
I build verified lead systems and reliable cold email infrastructure for B2B growth.
I help B2B companies identify the right decision-makers, build verified prospect lists, and prepare ready-to-use outreach systems for cold email and LinkedIn campaigns.
CURRENT STATUS·Available for selected projects
SUBJECT: 088-JA · SCAN {04:22}LIVE
- 7+ Years of Experience
- Fiverr Pro & Top Rated
- 8+ Industries Served
- Verified B2B Lead Research
- Multi-domain Outreach Infra
§ 00WHAT IS JUBAYER LABS?
A professional platform for B2B outreach and practical education.
Jubayer Labs is the professional platform founded by Jubayer Ahmed, bringing together verified B2B lead research, cold email infrastructure, LinkedIn prospecting, practical education and community resources for freelancers and growing businesses.
§ 00·bTWO PATHWAYS
§ PATH TWO
Learn with Jubayer
- Jubayer Academy
- Practical Courses
- Educational Resources
- Freelancing Communities
Explore Learning Resources · Coming Soon
§ 01SYSTEMS
Core Services
Three interlocking systems that turn cold outbound into a repeatable, deliverable channel — from list to inbox.
01LEAD.RESEARCH
Verified Lead Generation
Targeted account and decision-maker research with verified business email, LinkedIn, and firmographic data — matched to your ICP and qualified before delivery.
02OUTREACH.INFRA
Cold Email Infrastructure
Sending domains, mailboxes, SPF, DKIM, DMARC and DNS, warm-up, and sensible sending limits — a clean, deliverable foundation before the first campaign.
03LINKEDIN.OPS
LinkedIn Prospecting
Structured LinkedIn Sales Navigator research with sharp filters, saved searches, and enriched exports for high-signal outbound and account-based targeting.
§ 02EXPERTISE
What I actually do.
Two disciplines, treated as one system: research that produces verified data, and infrastructure that gets it to inboxes without being flagged.
RESEARCH
B2B lead generation & decision-maker research
I run B2B lead generation focused on targeted email list building — ideal customer profile in, verified list out. Every account is qualified against industry, geography, size and technology, and each contact is checked against LinkedIn for role and seniority. Verified business emails, data enrichment and prospect qualification are handled inside the same workflow, so you don't inherit half-checked rows.
INFRASTRUCTURE
Cold email deliverability & sending setup
Cold email starts before the first send. I provision cold email domains and mailboxes, configure SPF, DKIM, DMARC and the surrounding DNS, plan sensible sending limits, and run inbox warm-up until domains have a real reputation. The result is email deliverability preparation your sending platform can actually work with — Instantly, Smartlead, PlusVibe, Manyreach or ReachInbox.
LINKEDIN
LinkedIn Sales Navigator research
Sharp filters, saved searches, and enriched exports built with LinkedIn Sales Navigator research. Useful for account-based targeting, technology-based prospecting, and building lists where the LinkedIn footprint matters as much as the email.
§ 03INTELLIGENCE
Tools & Experience
The working stack — grouped by what the tool actually does, not by vendor. Only tools that are genuinely used day-to-day.
01
Lead Intelligence
LinkedIn Sales NavigatorApolloProspeoHunterUpleadCrunchbaseGoogle MapsBuiltWith
02
Email Verification
NeverBounceZeroBounceMailTester
03
Cold Email Infrastructure
InstantlySmartleadPlusVibeManyreachReachInbox
04
LinkedIn Outreach
LinkedIn Sales NavigatorAimfoxHeyReach
05
Data & Delivery
Google SheetsMicrosoft ExcelCRM enrichment
§ 03·bOPERATING PROCESS
Define · Research · Verify · Deliver
01 — DEFINE
Define
Clarify industry, geography, company size, decision-maker roles, exclusions, and the exact data fields you need.
02 — RESEARCH
Research
Identify suitable accounts and relevant contacts using premium research tools and manual review.
03 — VERIFY
Verify
Validate business emails, cross-check against LinkedIn and company sites, and remove unsuitable records.
04 — DELIVER
Deliver
Provide organised, ready-to-use data or fully configured outreach infrastructure with clear documentation.
§ 03·cWHO I HELP
Industries served
Teams in these sectors that need reliable prospect data and clean sending infrastructure rather than another agency retainer.
- SaaS
- Marketing Agencies
- Recruitment
- Real Estate
- Legal Services
- Healthcare
- eCommerce
- Hospitality
- Local Services
§ 03·dTYPICAL DELIVERABLES
What lands in your sheet
Every row is structured and verified before delivery. Fields may be tuned to your ICP, but the default shape is:
- 01Company name
- 02Website
- 03First & last name
- 04Job title
- 05Verified business email
- 06Verification status
- 07LinkedIn profile URL
- 08Company phone
- 09Company size
- 10Industry
- 11Location
- 12Qualification notes
§ 03·eHOW I VERIFY LEAD DATA
Five checks before delivery
STEP A
Premium Database Research
Cross-referenced pulls from LinkedIn Sales Navigator, Apollo, Crunchbase, BuiltWith and other premium sources to build a defensible shortlist.
STEP B
LinkedIn Review
Each contact is opened on LinkedIn to confirm job title, seniority, and that they still work at the target account.
STEP C
Company Website Checks
Website, team pages, and press mentions are checked for fit, size, geography, and current activity.
STEP D
Email Verification
Business emails are validated with NeverBounce, ZeroBounce and MailTester. Risky and catch-all addresses are flagged, not hidden.
STEP E
Manual Quality Control
A final human review pass removes duplicates, low-fit accounts, and records that don't match the brief.
→ READY FOR DELIVERY
§ OPERATING PRINCIPLE
I provide verified prospect data and ready-to-use outreach infrastructure. I do not guarantee sales, meetings, replies, or closed deals — because results also depend on the offer, messaging, market, and sales process.
§ 03·gWORKING PRINCIPLES
How I work, in six lines.
01
Business data only
Research uses publicly available business information — company sites, press, verified databases and LinkedIn — never scraped personal data.
02
Clear targeting before research
Every engagement starts by locking industry, geography, size, technology and role — so the list matches your ICP, not a broad guess.
03
Verified business emails
Contact emails are validated with NeverBounce, ZeroBounce and MailTester. Risky and catch-all addresses are flagged, not hidden.
04
Manual relevance checks
A human review pass removes duplicates, low-fit accounts and stale records before the file is handed over.
05
Transparent limitations
Where data is unavailable or a contact can't be verified confidently, it's marked — never guessed and never invented.
06
No unrealistic sales guarantees
I deliver reliable data and clean sending infrastructure. Replies, meetings and closed deals depend on your offer, messaging and market.
§ 03·fCASE STUDY
Anonymised engagement
CAMPAIGN ROUTE — ANONYMISED ENGAGEMENT
- 01 — Targeting
ICP, industry, geography, size, seniority and exclusion rules locked before any research begins.
- 02 — Research
Accounts and decision-makers sourced from LinkedIn Sales Navigator, Apollo, Crunchbase and BuiltWith.
- 03 — Verification
Emails validated across NeverBounce, ZeroBounce and MailTester; risky and catch-all rows flagged.
- 04 — Infrastructure
Domains, mailboxes, SPF, DKIM, DMARC configured; warm-up run before any real sending.
- 05 — Delivery
Structured file plus configured sending stack handed over — Instantly, Smartlead, PlusVibe, Manyreach or ReachInbox.
- 06 — Reporting
Deliverable-side reporting on list quality, verification breakdown and infrastructure health. Sales outcomes remain with the client.
NOTEAnonymised engagement structure. Only verified facts are shown. Results are not guaranteed and depend on offer, messaging, market and sales process.
§ 04ABOUT JUBAYER
Seven years, one focus.
Jubayer Ahmed is a B2B lead generation and cold email specialist from Bangladesh with more than seven years of hands-on freelancing experience. He helps businesses research target accounts, identify relevant decision-makers, verify contact data, and prepare outreach infrastructure for cold email and LinkedIn campaigns.
§ 04·bOFF DUTY
Beyond the terminal
Beyond client work, I lead a growing team and support a freelancing community in Bangladesh. I share practical ideas about lead generation, cold outreach, AI-assisted research, and building a sustainable freelancing career.
- LOCATIONJoypurhat, Bangladesh
- EXPERIENCE7+ Years
- STATUSTeam Lead
- INTERESTSFootball, Travel, Family
§ EDUCATION
Jubayer Academy
Practical learning resources on B2B lead generation, verified email research, cold outreach infrastructure, LinkedIn prospecting, AI-assisted research, and modern freelancing.
Academy · Coming Soon
§ 04·cJOIN THE JUBAYER LABS COMMUNITY
Learn, share and stay in the loop.
Connect with freelancers, learn practical outreach skills and follow new resources from Jubayer Labs across WhatsApp, Discord and YouTube.
01 · CHANNEL
WhatsApp Community
Join practical discussions and community updates.
Join on WhatsApp ↗02 · CHANNEL
Discord Community
Connect with freelancers, share ideas and access learning discussions.
Join on Discord ↗03 · CHANNEL
YouTube
Watch practical content on lead generation, cold outreach, AI-assisted research and freelancing.
Watch on YouTube ↗§ 05FAQ
Common questions
Company name, website, first and last name, job title, verified business email, verification status, LinkedIn profile URL, company phone where publicly available, company size, industry, location, and short qualification notes against your ideal customer profile.
Contacts are cross-checked against premium databases, LinkedIn, and the company website, then validated with tools like NeverBounce, ZeroBounce and MailTester. Risky and catch-all addresses are flagged so you know exactly what you're sending to.
Yes. Targeting is defined by industry, geography, company size, technology, and specific job titles or seniorities using LinkedIn Sales Navigator, Apollo, Crunchbase and BuiltWith.
No. Only publicly listed company phone numbers are included, and only when they add value for the outreach channel you're planning to use.
Sending domains, mailboxes, SPF, DKIM, DMARC and DNS configuration, sensible sending limits, warm-up structure, and connection into tools like Instantly, Smartlead, PlusVibe, Manyreach or ReachInbox — so campaigns start on a clean, deliverable foundation.
No. I provide verified prospect data and ready-to-use outreach infrastructure. Results also depend on your offer, messaging, market, and sales process, so I don't guarantee replies, meetings or closed deals.
SaaS, marketing agencies, recruitment, real estate, legal services, healthcare, eCommerce, hospitality, and local service businesses.
Yes. Deliverables plug into your current CRM, Google Sheets, Microsoft Excel or sending platform. CRM enrichment against existing accounts is also supported.
A short sample of the deliverable format can be shared on request before a full engagement begins.
§ 06CONNECTION
Let's build a cleaner outreach system.
Reliable systems and verified data, without unrealistic sales guarantees. Reach out on LinkedIn to talk about targeting, verified data, or campaign infrastructure.
CURRENT STATUS·Available for selected projects
Small samples may be available for clearly defined lead-generation projects.