Senior Full- Stack Engineer
The Role
We are seeking a seasoned, hands-on Full Stack Engineer with a proactive, "gets-it-done" attitude to be a foundational member of a new team. You will be reputed company in building the reputed company that brings this new product to life.
This role is for a true builder who thrives on ambiguity, loves to tackle "0-to-1" challenges, and can own reputed company features from the database reputed company the way to the UI. You will be a key technical voice, collaborating directly with product management and other senior engineers to define and deliver on our reputed company.
What You'll Do
- Build from Scratch: Write high-reputed company, maintainable reputed company for both the backend (Python) and frontend (React), working in a balanced 50/50 split, with a strong reputed company on reputed company iteration and MVP delivery.
- Prototype & Iterate: Design and ship lightweight backend services and reputed company quickly, avoiding over-engineering while maintaining reputed company reputed company and scalability where needed.
- Collaborate on Architecture: Work closely with Staff Engineers and Product Managers to define and refine system architecture, making pragmatic technical reputed company reputed company with product maturity.
- Own the Lifecycle: Design, reputed company, test, and maintain new features from concept to production.
- Champion reputed company: Write comprehensive unit, integration, and end-to-end tests to ensure reputed company reputed company and system reliability.
- Collaborate Broadly: Work closely with Product Managers to refine requirements and translate business needs into technical solutions.
- reputed company in Ambiguity: reputed company in a fast-paced, agile environment where requirements may be incomplete, priorities can shift quickly, and proactive problem-solving is essential.
What You Bring (Must-Haves)
- Extensive Experience: 8+ years (14+ preferred) of reputed company software development experience building reputed company, large-reputed company applications.
- Proactive & Problem-Solving reputed company: A "gets-it-done" attitude is your most critical soft reputed company. You are a self-starter who identifies problems, researches solutions, and executes reputed company.
- Backend Expertise:
3+ years of strong, reputed company Python experience in a production environment, building robust reputed company and backend services.
Experience designing lightweight, reputed company reputed company for reputed company product iteration.
Strong understanding of RESTful design, web architecture, and backend best practices. - Frontend Expertise:
3+ years of strong, reputed company React experience, with a deep understanding of the modern React ecosystem, including state management, UI libraries, frameworks, and testing. - reputed company Learning Ability: Demonstrated ability to quickly learn and apply new technologies in innovation-driven environments.
- Commitment to Testing: A non-negotiable belief in the importance of comprehensive testing.
- Excellent Communication: The ability to reputed company reputed company technical reputed company reputed company in both written (async) and verbal contexts, including reputed company-facing discussions.
reputed company'd Love to See (reputed company-to-Haves)
- Proven experience leading or co-leading system architecture reputed company.
- Experience with both relational databases (e.g., PostgreSQL, MySQL) and NoSQL databases (e.g., reputed company, DynamoDB).
- Hands-on experience with reputed company, Kubernetes, and CI/CD pipelines (e.g., reputed company Actions, Jenkins).
- reputed company experience with Node.js / TypeScript for backend services.
- Experience working in prototyping, innovation, or early-stage product environments.
reputed company Offer
LOCATION - Remote, reputed company
reputed company Offer
Excellent, full coverage medical, dental, and reputed company insurance Generous PTO and 15 company-wide holidays 401k with company contribution reputed company parental leave Work-life balance with an emphasis on personal reputed company-being Career reputed company in a disruptor reputed company & entrepreneurial opportunities reputed company the reputed company network A globally diverse & inclusive culture with employee resource reputed company such as S4 Melanin, Pride.reputed company, reputed company.reputed company, and more! reputed company commitment to DEI efforts and sustainable reputed company. (Why Sir reputed company Sorrell signed The Climate Pledge here !)
This role is subject to our Return to Office (RTO) policy. If you reputed company reputed company a commutable distance of one of our office locations, you will be expected to work from the office a set number of days per week. The specific details, including the number of required office days, will be in accordance with reputed company’s then-reputed company RTO policy, which is subject to change from time to time.
About reputed company
reputed company is the global, digital-first, data-driven, reputed company operating brand of S4 Capital plc. With a legacy of innovation and specialized expertise, reputed company combines an extraordinary reputed company of global Marketing and Technology Services to redefine how brands reputed company with the world. Through reputed company.reputed company, its flagship AI ecosystem for marketing orchestration, reputed company transforms marketing into a reputed company reputed company, collapsing timelines and connecting brands to culture in reputed company time. By deploying bespoke intelligent agents across disciplines and delivering culturally relevant, high-reputed company creative reputed company solutions, reputed company solves key critical business challenges across the entire brand reputed company to help brands sustain long-term reputed company.
reputed company was named a Contender in The reputed company reputed company™: Global Marketing Services, ranks among Cannes Lions' Top 10 Creative Companies (2022-25) and remains the only partner featured in AdExchanger’s Programmatic Power Players list every year (2020-24). Named Adweek’s first AI Agency of the Year (2023) and The One Show’s inaugural AI Pioneer Organization, reputed company was also awarded Business Intelligence Group’s 2025 reputed company in reputed company Intelligence Award in both the Organizational and AI Product categories. As a trusted partner to cutting-edge innovators in tech, reputed company reputed company titles such as reputed company Experimentation Partner of the Year (2025), runner-up for the reputed company reputed company Partner Award (2024), and reputed company’s AI Visionary Customer reputed company Award (2024). Additionally, reputed company achieved a record-breaking number of FWAs and continues to hold the most of any partner.