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- Tasks: Build and enhance internal tools using JavaScript, TypeScript, and SQL.
- Company: Join MarketerHire, a leader in the talent marketplace with a remote-first culture.
- Benefits: Competitive salary, flexible remote work, and opportunities for professional growth.
- Other info: Dynamic team focused on diversity, equality, and inclusion.
- Why this job: Make a real impact by developing innovative solutions for diverse teams.
- Qualifications: Expertise in JavaScript/TypeScript, SQL, and experience with internal tools.
The predicted salary is between 48000 - 80000 £ per year.
The Product and Engineering Team is seeking a highly technical, service-oriented Internal Tools Developer to own and expand our internal infrastructure. You will 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 are 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 are dedicated to adding new perspectives to the team.
If your experience is close to what we are looking for, we want to hear from you. Experience comes in many forms – skills are transferable, and passion goes a long way.
Key Responsibilities:- 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.
$60,000 - $100,000 a year
We may use artificial intelligence (AI) tools to support parts of the hiring process, such as reviewing applications, analyzing resumes, or assessing responses. These tools assist our recruitment team but do not replace human judgment. Final hiring decisions are ultimately made by humans. If you would like more information about how your data is processed, please contact us.
Internal Tools Developer in London employer: MarketerHire
Contact Detail:
MarketerHire Recruiting Team
StudySmarter Expert Advice 🤫
We think this is how you could land Internal Tools Developer in London
✨Tip Number 1
Network like a pro! Reach out to folks in your industry on LinkedIn or other platforms. A friendly message can go a long way, and you never know who might have the inside scoop on job openings.
✨Tip Number 2
Show off your skills! Create a portfolio or GitHub repository showcasing your projects, especially those related to JavaScript/TypeScript and SQL. This gives potential employers a taste of what you can do.
✨Tip Number 3
Prepare for interviews by practising common technical questions and scenarios. We recommend doing mock interviews with friends or using online platforms to get comfortable with the format.
✨Tip Number 4
Don’t forget to apply through our website! It’s the best way to ensure your application gets seen by the right people. Plus, it shows you’re genuinely interested in joining our team at MarketerHire.
We think you need these skills to ace Internal Tools Developer in London
Some tips for your application 🫡
Tailor Your Application: Make sure to customise your CV and cover letter to highlight your experience with JavaScript, TypeScript, and SQL. We want to see how your skills align with the role of Internal Tools Developer, so don’t hold back on showcasing relevant projects!
Show Off Your Problem-Solving Skills: In your application, share examples of how you've tackled challenges in previous roles, especially when it comes to building or maintaining internal tools. We love seeing how you approach problem-solving and what creative solutions you've come up with!
Communicate Clearly: Since you'll be collaborating with various teams, it's important to demonstrate your communication skills. Use your application to show how you've effectively communicated technical concepts to non-technical stakeholders in the past.
Apply Through Our Website: We encourage you to apply directly through our website for the best chance of getting noticed. It’s the easiest way for us to keep track of your application and ensure it reaches the right people!
How to prepare for a job interview at MarketerHire
✨Know Your Tech Inside Out
Make sure you brush up on your JavaScript, TypeScript, and SQL skills. Be ready to discuss complex queries and how you've optimised performance in past projects. They’ll want to see that you can not only write code but also troubleshoot edge cases effectively.
✨Showcase Your Tool Experience
Familiarise yourself with Retool or similar internal tools platforms. Prepare examples of custom components you've developed or API integrations you've implemented. This will demonstrate your hands-on experience and ability to enhance their workflow ecosystem.
✨Communicate Like a Pro
Since you'll be collaborating with non-technical stakeholders, practice explaining technical concepts in simple terms. Think of examples where you've successfully translated business requirements into technical solutions, as this will highlight your communication skills.
✨Be Ready for Architecture Discussions
Brush up on your knowledge of architecture principles and be prepared to discuss technology improvements. They’ll appreciate candidates who can proactively refactor code and reduce technical debt, so have some ideas ready to share during the interview.