Internal Tools Developer

Remote - South AmericaRemoteContract - Full Timeentry

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Quick Summary

Overview

The Product and Engineering Team is seeking a highly technical, service-oriented Internal Tools Developer to own and expand our internal infrastructure.

Technical Tools

hubspotjavascriptsegmentslacksqltypescriptci-cdcode-reviewsecurity-best-practices

The Product and Engineering Team is seeking a highly technical, service-oriented Internal Tools Developer to own and expand our internal infrastructure. You’ll work remotely (EST or Europe preferred) alongside Talent Acquisition, General Managers, and Product and Engineering teams to build and maintain critical systems—from custom Retool apps and Slack integrations to core service permissions and automation workflows.

About MarketerHire

MarketerHire’s mission is to make expert marketing accessible to all.

Founded in 2019, we are growing rapidly and are a leader in the talent marketplace, on-demand staffing, and Future of Work categories. Our platform gives companies on-demand access to a global network of expert, pre-vetted marketing talent and is used by early-stage startups, billion-dollar unicorns, and Fortune 100 companies alike. Customers include Netflix, Palantir, Chanel, Allbirds, Lambda School, and thousands more.

We also contribute to the future of work, helping our marketers earn significant additional income while eliminating the hassle and risk of freelancing full-time. By default, all of our engagements are remote, enabling our talent to work anywhere in the world.

At MarketerHire, we’re passionate about building a diverse team. We care deeply about diversity, equality, and inclusion and strive to build a culture where everyone, from any background, feels included, supported, and free to be themselves. Diversity makes for the best problem-solving and creative thinking, which is why we’re dedicated to adding new perspectives to the team.

If your experience is close to what we’re looking for, we want to hear from you. Experience comes in many forms – skills are transferable, and passion goes a long way.

Maintain and enhance our Retool apps and workflow ecosystem by writing JavaScript/TypeScript and SQL to implement new features, optimize existing modules, and refine UI/UX.

Develop and troubleshoot Slack integrations using JavaScript and Slack’s API to automate messages, alerts, and workflows.

Assist with the management of access controls and permission management across HubSpot, Retool, GSuite, Segment, and our proprietary systems—ensuring security best practices (principle of least privilege, API authentication, encrypted data handling).Collaborate with cross-functional teams to uphold internal service SLAs, prioritize incoming requests, and communicate status updates clearly.

Work within a Git-based workflow: author pull requests, review code, and enforce best practices for version control and deployment.

Participate in architecture discussions, recommend technology improvements, and proactively refactor code to reduce technical debt.

Expert-level proficiency in JavaScript/TypeScript and SQL—able to write complex queries, optimize performance, and troubleshoot edge-case failures.

Hands-on experience with Retool (or similar internal-tools platforms), including custom component development and API integrations.

Familiarity with Git workflows (feature branching, pull requests, code reviews) and CI/CD principles.

Demonstrated knowledge of information-security fundamentals: managing API keys, enforcing the principle of least privilege, and securing data at rest and in transit.

Track record of maintaining service-level commitments, communicating effectively with non-technical stakeholders, and translating business requirements into technical solutions.

Proven experience building and maintaining Slack bots or integrations via the Slack API.

Bachelor’s degree in Computer Science, Engineering, or equivalent hands-on experience; prior roles such as Support Engineer, Technical IT Admin, Customer Service Engineer, or Internal Tools Developer preferred.

Full-time, 40 hours per week, remote.

Preferred overlap with EST or European business hours to support U.S. and EMEA teams.