Senior Backend Engineer

CreatorIQ is the operating system for creator-led growth trusted by more than 1,300 global brands and agencies. We’re on a mission to make businesses more human, and humans more impactful. We operate by our values — be intentional, pursue excellence every day, embrace the journey together, and be a good human — every day. CreatorIQ has earned the title of best companies to work for in multiple programs, including BuiltIn LA and NY. It’s been named a Fastest-Growing Company in North America on the Deloitte Technology Fast 500™ for four years, was named a leader in IDC MarketScape: Worldwide Influencer Marketing Platforms for Large Enterprises in 2025, was named a Leader by The Forrester New Wave™: Influencer Marketing Solutions, and has been consistently recognized by G2 as a Leader, and is rated 5 stars on Influencer MarketingHub. We operate in a flexible work model that combines both in-person and remote work to boost collaboration, enhance innovation, and adapt to individual work styles. We're seeking passionate, innovative minds to join our journey. Be a part of our dynamic team and let's transform the industry together! Senior Backend Engineer Employment Type: Employment contract We're looking for a Senior Backend Engineer with deep PHP expertise and strong Node.js skills to join the Enterprise API and Platform API Team as we modernize and scale CreatorIQ's backend systems. This is a new, hands-on role focused on evolving a large PHP monolith into modular, service-oriented components while raising the bar for code quality, testing, and reliability. You'll work in a remote-first, globally distributed team, partnering closely with product, platform, and engineering colleagues, and your technical ownership and architectural thinking will directly shape how our platform scales. In this role, you’ll get to: - Develop a deep understanding of our existing PHP monolithic codebase and progressively extract it into modular, service-oriented components. - Design, build, and maintain scalable, testable, and reusable backend services in PHP and Node.js. - Design and maintain robust RESTful and GraphQL APIs. - Lead refactoring efforts that improve performance, readability, and long-term maintainability of core systems. - Build, deploy, and operate services on AWS, including Lambda and API Gateway. - Write and maintain unit and integration tests to ensure reliability across releases. - Critically review, validate, and improve AI-generated code rather than accepting it at face value. - Identify technical risks, bottlenecks, and opportunities for improvement across the platform. - Communicate technical decisions and trade-offs clearly in writing and through short video walkthroughs, and collaborate effectively across a remote, async-first, cross-timezone team Who you are and what you’ll need for this position: - 5+ years of professional backend engineering experience - Expert-level PHP experience, including direct work on enterprise-grade, production systems. - Strong backend experience with Node.js. - Hands-on experience refactoring or decomposing monolithic architectures into modular services. - Strong background in API design (REST and GraphQL) and backend architecture. - Experience with AWS, particularly Lambda and serverless patterns. - Experience writing testable code and maintaining automated test suites. - Experience using AI coding tools (e.g., GitHub Copilot, ChatGPT, Claude Code, Cursor) within IDEs such as VS Code or PhpStorm, including critically reviewing and refining AI-generated code. - Fluency in English, written and spoken. - Highly proactive and self-directed, with a proven ability to communicate effectively and unblock yourself in a remote, async-first environment. Confidence can sometimes hold us back from applying for a job. But we'll let you in on a secret: there's no such thing as a 'perfect' candidate. Have 50% of the criteria? Excited about this opportunity? Passionate about what we do at CreatorIQ? Please apply! CreatorIQ is a place where everyone can grow. What you will get from us: - People: Work with talented, collaborative, and friendly people who love what they do. - Guidance: Utilize our learning platform to fully get the training and tools you'll need to become successful here from your first day with us. - Work/life harmony: 26 days of vacation, floating and company holidays, wellness benefits, and paid parental leave. - Whole Health Package: Comprehensive medical, life, and business travel insurance, plus additional wellness benefits. - Planning for the future: Participate in Poland's Employee Capital Plan (PPK) to help you plan ahead. - Equity: Stock options as part of our equity-sharing program. - Work from home stipend: To assist you in setting up a home office that works for you. Who we are: CreatorIQ is the operating system for creator-led growth, helping global brands and agencies transform creator marketing into an intelligence-driven growth engine. Powered by the Creator Graph™, which processes more than 250 million social posts daily across more than 15 million creators worldwide, CreatorIQ unifies fragmented platform data into a centralized intelligence layer and system of record for creator relationships, performance, governance, and commerce. More than 1,300 organizations—including Dentsu, Delta Air Lines, Google, Beiersdorf, Nestlé, and Wella—rely on CreatorIQ as the infrastructure to run and scale their creator programs globally. CreatorIQ is a global company headquartered in Los Angeles with offices in Austin, New York, San Francisco, London, Manila, and Warsaw. Learn more at http://www.creatoriq.com/www.creatoriq.com http://www.creatoriq.com and follow us on LinkedIn https://www.linkedin.com/company/creatoriq and Instagram https://www.instagram.com/creatoriq. At CreatorIQ, we believe that diversity is the key to unlocking our full potential. We are committed to fostering an inclusive, equitable, and empowering work environment where everyone can thrive, regardless of race, ethnicity, gender, sexual orientation, age, religion, disability, or any other characteristic that makes us unique. By embracing our core values of being intentional, pursuing excellence every day, embracing the journey together, being a good human, and staying focused on what’s important, we create an atmosphere that promotes collaboration and growth. Join us to celebrate differences, innovate together, and be a part of a business that is disrupting the marketing industry. Compensation, benefits, and beyond: We understand that a comprehensive benefits package plays a significant role in your overall compensation. To gain more insight into the various components of our total compensation, we invite you to review our benefits and perks https://creatoriq.notion.site/What-you-ll-get-from-us-at-CreatorIQ-Poland-EU-84ac509311bc40ee835cc56b9b451c1f?pvs=4. AI Transparency Notice We may use artificial intelligence (AI) tools to support parts of the hiring process, such as reviewing applications and note taking during interviews. 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 refer to our Global Candidate Privacy Notice https://creatoriq.notion.site/Global-Candidate-Privacy-Notice-1f29bdd3fbd98069a1e2eb6acefb3acf.