Senior Full Stack Engineer
About the job
- Strong proficiency with TypeScript, React, NestJS, and Postgres.
- Ability to ship across the entire stack, from user interface to database.
- Experience with monorepo tooling such as pnpm, Turborepo, or Nx.
- Understanding of API authentication, credential management, and secure integrations with third-party services.
- In-depth knowledge of OAuth 2.0, including implementing valid authentication flows and single sign-on.
- Experience working with Docker, Kubernetes, and Helm in production environments.
- Familiarity with domain-driven design or clean architecture patterns.
- Applicants must be based in Brazil and legally eligible to work in Brazil.
- Own end-to-end feature delivery, from user interface and user experience to API and database design.
- Build and maintain scalable React interfaces.
- Architect and implement APIs using NestJS and Postgres.
- Manage integrations with external services using internal credential and token management systems.
- Design and implement secure OAuth 2.0 flows and single sign-on, including with Google and Microsoft.
- Contribute to and maintain infrastructure based on Docker, Kubernetes, and Helm.
- Collaborate with designers, product managers, and engineers across the organization.
- Write clean, maintainable, and well-documented code across the stack.
- Experience with infrastructure as code, particularly Terraform.
- Prior work in high-compliance environments such as HIPAA or SOC 2.
- Experience bootstrapping new squads or systems from scratch.
- Familiarity with artificial intelligence or machine learning, especially implementing tools such as LangChain or working with embeddings and retrieval-augmented generation pipelines.
About the company
Media.Monks is a digital-first marketing and advertising partner for global brands. It delivers end-to-end services including content creation, data analytics, digital media, and technology solutions through a unified cross-disciplinary team. This structure blends creative production with data-driven insights and tech platforms to speed up and streamline campaigns versus traditional agencies. The company differentiates itself with digital craftsmanship, a scalable global footprint, and a track record with clients like Google, Meta, and Netflix to help brands grow online and optimize ad spend.
Company Size
5,001-10,000
Company Stage
Acquired
Total Funding
$330M
Headquarters
London, United Kingdom
Founded
2001
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Simplify's Take
What believers are saying
- H1 2026 operational EBITDA rose 82.7% to £38.0 million, with 12.3% margins.
- Net debt fell to £66.3 million by June 30, 2026, easing balance-sheet pressure.
- Leadership hires Deb Stroff, Paula Marsilli, and Nirvik Singh signal aggressive 2026 expansion.
What critics are saying
- H1 2026 net revenue fell 4.7%, showing demand erosion despite margin gains.
- Technology Services revenue dropped 7.4% in H1 2026 as hyperscalers shifted spend to AI capex.
- Headcount fell to about 6,150 by June 30, 2026; sustained declines threaten Monks' scale.
What makes Monks unique
- Monks.Flow 2.0 combines creative production, media orchestration, and AI workflow automation.
- Nirvik Singh, starting October 1, 2026, strengthens Monks' unitary EMEA operating model.
- NVIDIA partnerships at GTC 2025 and NAB 2025 deepen Monks' enterprise AI credibility.
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Benefits
Remote Work Options
Growth & Insights and Company News
6 month growth
-2%1 year growth
-2%2 year growth
0%Monks, S4Capital's digital marketing and technology services company, has appointed Nirvik Singh to its Executive Leadership Team as CEO EMEA Marketing Services, effective 1 October 2026. Singh, who joined S4Capital's Board as a Non-Executive Director in May 2025, will step down from that role to focus on accelerating growth across Europe, the Middle East, and Africa. Singh brings over 35 years of global marketing leadership, most recently serving as Global Chief Operating Officer and President International at Grey Group. He will report to Bruno Lambertini, Monks CEO Marketing Services, and work alongside Chief Revenue Officer EMEA Alex Oberberg. The appointment aims to unify Monks' operations across EMEA and scale its integrated marketing model combining creative, media, and technology services.
Watts Law Firm has launched an AI-powered case qualification platform built with S4 Capital's Monks Technology Services. The platform automates document-intensive intake processes, ingesting claim documentation, extracting data, evaluating eligibility against legal criteria, and estimating damages in minutes. The system removes repetitive administrative work whilst keeping attorneys in control of legal decisions. Every case requires attorney review before legal action proceeds. "AI allows us to remove the operational bottlenecks surrounding case qualification while preserving the legal judgment that only experienced professionals can provide," said Mikal Watts, the firm's founder. Monks Technology Services designed the platform to unite AI-powered document processing, configurable rules engines, and workflow automation with complete auditability. The firm plans to extend the platform across additional practice areas, including mass torts and personal injury cases.
Monks, the digital-first operating brand of S4 Capital, has appointed Natalie Comins as Group Creative Director, Emerging Experiences for its Google team. Comins will lead creative innovation across spatial, physical and digital platforms. Before joining Monks, Comins ran an independent experiential design practice working with clients including Anthropic, Google and Pinterest. She previously served as Senior Creative Principal at Huge, bringing nearly 20 years of experience in design and experience innovation. Comins will report to Executive Creative Director Roni Sebastian and join Monks' global team supporting Google's initiatives across Android, Pixel, YouTube and AI-powered brand experiences. Monks has partnered with Google for over a decade, delivering immersive product activations and integrated campaigns combining digital, physical and spatial experiences.
S4 Capital's Monks has appointed Paula Marsilli as Vice President, Regional Accounts for Latin America. Based in Miami, Marsilli will lead strategic orchestration for key accounts, helping marketers transition to AI-first marketing supply chains. Marsilli brings over 20 years of experience across Brazil, Mexico and the United States, having held senior roles at Natura, Uber, VMLY&R, Omnicom Media Group, McCann and Ogilvy & Mather. She is a Caboré Award winner and former IAB Brazil director. Reporting to Sebastián Caramés, EVP LatAm, Marsilli will focus on building real-time brand ecosystems, breaking down silos between data, media and creative, and implementing AI-driven workflows. Her role emphasises decision augmentation over traditional account management, leveraging Miami as a strategic hub for Latin American operations.
Monks, the digital operating brand of S4 Capital, has appointed Deb Stroff as chief people officer, effective 1 February 2026. Stroff will lead global talent management, organisational structure and the integration of advanced HR software systems. Stroff joins from Jersey Mike's, bringing experience from roles at Quartet Health, OnDeck Capital, Hogarth, Coty and Time Inc. Her appointment supports Monks' 2026 priorities of improving workplace experience through AI adoption and fostering transparency. Executive chairman Sir Martin Sorrell said leadership bridging tech efficiency with human connection is essential as the company moves towards AI-driven decision-making. Stroff will oversee people strategy, operations implementation and enterprise systems optimisation to support Monks' transformation as a real-time brand.