About FullStack

FullStack is your AI-native engineering partner, built to turn AI capability into certainty. Most companies can demo AI; few can get it to production and prove what it produced. We close that gap with three capabilities, AI built into your products from the start, elite vetted talent who apply it, and transparent execution that shows value every step of the way. With now over 600 customers in North America, FullStack is one integrated partner for all your AI engineering needs. With FullStack, you move forward with confidence.

We’re Most Proud Of

- Offering life-changing career opportunities to talented software professionals across the Americas.
- Building highly-skilled software development teams for hundreds of the world’s greatest companies.
- Having delivered hundreds of successful custom software solutions, which have positively impacted the lives and careers of millions of users.
- Our 4.1-star rating on GlassDoor.
- Our client Net Promoter Score of 68, twice the industry average.

The Position

We are currently seeking a highly motivated Sales Development Representative (SDR) with 3+ years of experience to join our team at FullStack.

In this role, you’ll be responsible for researching new accounts, identifying key stakeholders, contacting prospects, and scheduling qualified meetings within an established ICP (Idóneo Customer Profile). You’ll quickly become an expert at researching the nuances within our customer profiles that make a company a great fit for our services.

Using a proven, multi-channel process (email, LinkedIn, texting, and selective cold-calling), you’ll build relationships and schedule meetings for our Inside Account Executives. As you master our sales engine and build product knowledge, you’ll unlock pathways for career advancement.

We utilize modern sales and AI tech stacks, including Apollo, G-Suite, DialPad, LinkedIn Sales Navigator, Gemini, Copilot, Claude, and advanced VOIP systems.

What We're Looking For





- 3+ years of professional Sales Development Representative experience, preferably in the SaaS, technical staffing, or IT industry.
- Advanced English is required (verbal and written).
- Strong understanding of the IT/SaaS (Software as a Service) industry and technical staffing, including common pain points and modern tech stacks.
- Familiarity sending cold emails, texts, LinkedIn messages, and calls to prospective clients.
- Experience using CRM tools (e.g., HubSpot, Salesforce) and sales engagement platforms like Apollo, SalesLoft, or Outreach is a plus.
- Excellent verbal and written communication skills, with the ability to convey technical concepts in a clear and concise manner.
- Familiarity with AI research tools and a high attention to detail.
- A positive mindset and a can-do attitude.
- Experience working on Agile / Scrum teams is a plus.
- Meaningful experience working within large teams and complex systems.
- Ability to take extreme ownership over your work. Every day is a challenge to ensure you are performing to the expectations you and your team have agreed upon.
- Ability to identify with the goals of FullStack's clients, and dedicate yourself to delivering on the commitments you and your team make to them.

Work Authorization Requirements

- Applicants must be currently authorized to work in the country of this job posting on a full-time basis.
- FullStack will not sponsor applicants for work visas now or in the future.

What We Offer

- Competitive Salary.
- Paid Time Off (vacation, sick leave, parental leave, holidays).
- 100% remote work.
- The ability to work with leading startups and Fortune 500 companies.
- Health policy with Sura 100% for you and up to 4 primary family members.
- English Classes.
- Food card.
- Ample opportunity for career advancement.
- Continuing education opportunities.

FullStack is proud to be an equal opportunity workplace. We are committed to equal employment opportunity regardless of race, color, ancestry, religion, sex, national origin, sexual orientation, age, citizenship, marital status, disability, gender identity, or Veteran status.

Learn more about our Applicants Privacy Notice.

📌 Sales Development Representative - Remote - Colombia
🏢 FullStack
📍 Colombia