As a Senior Full Stack Engineer, you'll design, build, and maintain end-to-end web solutions , from modern UIs to backend services, APIs, and infrastructure. You'll collaborate with design, brand, marketing, and content teams to deliver seamless, performant experiences across web and mobile. You'll develop backend logic and APIs, manage data flows, and implement systems that integrate with third-party platforms.

You'll optimize website performance by applying best practices in front-end development, including lazy loading, and efficient asset management. You'll set up and manage infrastructure using tools like Vercel, AWS, Cloudfront, Terraform, and CI/CD pipelines (e.g., CircleCI). You'll implement and maintain web analytics, and support A/B testing for data-driven decisions.

You'll stay current with emerging technologies and trends to continually improve our development processes and user experience. You'll be comfortable writing backend software. We look for engineers to be able to unblock themselves end to end.

You'll build using the best tools in the industry. We invest heavily in AI-powered developer tools that remove friction and help you focus on solving meaningful problems.

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This position is needed to partner in driving a scalable, holistic web analytics implementation strategy while maintaining data integrity of existing setup, ultimately ensuring Twilio.com web tracking capabilities continue to grow, are utilized by the company, and are accurate + reliable. The ideal candidate collaborates with several cross-functional teams at Twilio such as UX, CRO, Web Strategy, Web Dev, Demand Gen, SEO, Content+ more to deliver scalable and easy-to-use web analytics solutions and insights.

As a subject matter expert in this space, you will grow your presence company-wide and eventually own relationships cross-functionally.

We are looking for someone with proven experience in GA4 implementation, business/marketing analytics reporting, analysis and stakeholder communications.

Responsibilities:

Work closely with the Web team to deliver desired web analytics tracking for business stakeholders Own and maintain a holistic GA/web analytics strategy, implementation, troubleshooting, documentation + enablement Brainstorm with technical and non-technical stakeholders on creative ways to meet data requirements, while balancing site performance, holistic tagging strategies, and expanded data capabilities Drive continual web analytics capability improvements, and maintain high standards for data integrity Own and share recurring monthly and adhoc analysis, deep dives, storytelling to uncover the 'so what' - providing actionable insights and recommendations across site, page, channel and A/B testing performance Strategize and build scalable solutions that support company-wide enablement and the utilization of web analytics for data-driven decision-making Partner with our CDP SMEs to orchestrate a unified data strategy, maximizing the integration between our CDP and Google Analytics to drive a 360-degree view of the customer journey

Qualifications:

• 5 years of experience in web analytics
• Expertise in Google Analytics 4, both implementation and analysis.
• Strong knowledge of JavaScript, HTML, and browser dev tools.
• Hands-on experience with Google Tag Manager (GTM)
• Familiarity with A/B and multivariate testing frameworks, as well as web personalization
• Strong communication skills with the ability to communicate effectively with both technical and non-technical audiences
• Detail-oriented with a passion for clean, trustworthy data.
• Strong analytical skills with a track record of independently exploring data, delivering insights, storytelling, and actionable recommendations.
• Excellent collaborator across cross functional teams; skilled in managing stakeholder projects
• Highly reliable and accountable.
• A self-starter.
• Interest or experience in applying AI-driven solutions to analytics workflows.

Desired:

• Familiarity with Big Query, Adobe AEM, Adobe Target
• Interest or exposure to fraud monitoring tools and processes.
• Experience with Looker Studio, Tableau, or other BI tools.
• Working knowledge of Customer Data Platforms (CDPs) and analytics data integrations.
• A deeper understanding of:

First party and third party cookies Cross domain tracking (including the limitations of web protocols and UTM strategies) Tagging and tracking strategies (e.g., when to use Segment → GA4 vs. GTM → GA4 for optimal efficiency) Ad pixel setup and utms deployment strategies

Travel:

We prioritize connection and opportunities to build relationships with our customers and each other. For this role, approximately 15% travel is anticipated to help you connect in-person in a meaningful way.

What We Offer:

Working at Twilio offers many benefits, including competitive pay, generous time off, ample parental and wellness leave, healthcare, a retirement savings program, and much more. Offerings vary by location.

Compensation:

*Please note this role is open to candidates outside of California, Colorado, Hawaii, Illinois, Maryland, Massachusetts, Minnesota, New Jersey, New York, Vermont, Washington D.C., and Washington State. The information below is provided for candidates hired in those locations only. The estimated pay ranges for this role are as follows:

Based in Colorado, Hawaii, Illinois, Maryland, Massachusetts, Minnesota, Vermont or Washington D.C. : $106,320 - $132,900. Based in New York, New Jersey, Washington State, or California (outside of the San Francisco Bay area): $112,560 - $140,700. Based in the San Francisco Bay area, California: $125,040 - $156,300.

This role may be eligible to participate in Twilio’s equity plan and corporate bonus plan. All roles are generally eligible for the following benefits: health care insurance, 401(k) retirement account, paid sick time, paid personal time off, paid parental leave. The successful candidate’s starting salary will be determined based on permissible, non-discriminatory factors such as skills, experience, and geographic location.

Application deadline information:

Applications for this role are intended to be accepted until April 30, 2026, but may change based on business needs.

Twilio thinks big. Do you? We like to solve problems, take initiative, pitch in when needed, and are always up for trying new things. That's why we seek out colleagues who embody our values , something we call Twilio Magic. Additionally, we empower employees to build positive change in their communities by supporting their volunteering and donation efforts. So, if you're ready to unleash your full potential, do your best work, and be the best version of yourself, apply now! If this role isn't what you're looking for, please consider other open positions.

Twilio is proud to be an equal opportunity employer. We do not discriminate based upon race, religion, color, national origin, sex (including pregnancy, childbirth, reproductive health decisions, or related medical conditions), sexual orientation, gender identity, gender expression, age, status as a protected veteran, status as an individual with a disability, genetic information, political views or activity, or other applicable legally protected characteristics. We also consider qualified applicants with criminal histories, consistent with applicable federal, state and local law. Qualified applicants with arrest or conviction records will be considered for employment in accordance with the Los Angeles County Fair Chance Ordinance for Employers and the California Fair Chance Act. Additionally, Twilio participates in the E-Verify program in certain locations, as required by law.

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Your period at Fifty-Five will start with a training period in web analysis, tag management, and the framework we apply to these activities. During this training, you will take on stimulating and engaging projects, preparing you for the client initiatives you will manage in your role. During these projects, you will be continuously supported and trained, enriching your experience and allowing you to contribute your knowledge to the rest of the Fifty-Five team.

Responsibilities

• Implement and manage data collection tags on websites and mobile applications
• Conduct web analytics and media monitoring
• Implement and manage marketing technology solutions
• Conduct audits and quality guarantees
• Provide technical support to internal and external stakeholders

Requirements

• Knowledge of fundamental web concepts (HTML/CSS)
• Ability to read and write JavaScript
• 2-3 years of experience with tag management tools such as Google Tag Manager, Tealium or Adobe Launch
• 2-3 years of experience in implementing and maintaining digital analytics platforms such as Google Analytics or Adobe Analytics
• Ability to create technical documentation
• Excellent analytical and problem-solving skills
• Organisational and project management skills (organisation of meetings, management of deadlines and relationships with clients)
• Ability to communicate and translate technical issues into simple language
• Ability to work with external and internal multifunctional teams
• Excellent written and oral communication skills
• Ability to work in a dynamic environment
• Fluency in Italian and English

Preferred

• Experience with multiple web analytics tools
• Experience with multiple tag management systems
• Experience with app analytics deployment
• Knowledge of marketing technology stacks (ideal Google Marketing Platform)

Benefits

• Smart working policy
• Particular attention to work-life balance in respect of the right to disconnection
• Multicultural environment with colleagues from over 20 different nationalities
• Internal values focused on excellence, benevolence and sharing
• Continuous training (and recognised) on the ecosystem, digital technologies and soft skills (e.g. public speaking, team management)
• Opportunity to participate in internal projects such as Data Hive (a 'tech for good' project promoted by Fifty-Five employees, whose purpose is to put their knowledge and skills at the disposal of charitable organisations), DEI@55 (a working group on diversity and inclusion within Fifty-Five and the technology sector more broadly), Sustainability@55 (a team that helps to implement sustainable practices internally and with our clients)

Fifty-Five is convinced that diversity and inclusion are real forces. We commit to ensuring equal treatment of all received applications, without distinction of gender, age, origin, sexual orientation, health status or political or religious opinion. Meet the Fifty-Five team!

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The Role --------

We are seeking a visionary and experienced Digital Marketing Architect to design, build, and optimize our digital marketing technology stack. You will be the central owner of our MarTech blueprint, ensuring all platforms work in harmony to support our omnichannel retail strategy.

Key Responsibilities -------------------

MarTech Stack Architecture

Design and govern the end-to-end architecture of our marketing technology stack, including our Customer Data Platform (CDP), e-commerce platform, personalization engine, loyalty platform, and campaign management tools.

Omnichannel Customer Journey Design

Architect the data flows and system integrations necessary to create a unified 360-degree customer view, connecting data from online touchpoints (website, app) and offline systems (Point-of-Sale, in-store events).

Data & Personalization Strategy

In collaboration with the data team, design the marketing data model within our CDP. Architect solutions that leverage this data to deliver real-time, personalized content, product recommendations, and offers across all digital channels.

Technology Evaluation & Roadmap

Lead the discovery, evaluation, and selection of new marketing technologies. Develop and maintain a multi-year MarTech roadmap that aligns with strategic business objectives for growth and customer experience.

Collaboration & Enablement

Work closely with brand marketers, e-commerce managers, and CRM specialists to understand their needs and translate them into technical requirements and solutions. Empower teams by ensuring the technology is effective and user-friendly.

Qualifications & Skills ----------------------

Experience

8+ years in digital marketing technology, marketing operations, or solutions architecture. Direct experience within the retail or e-commerce industry is essential.

MarTech Platform Expertise

Proven hands-on experience architecting and integrating core retail marketing platforms:

• Customer Data Platforms (CDP): e.g., Segment, Tealium, Bloomreach
• E-commerce Platforms: e.g., Shopify Plus, Salesforce Commerce Cloud, Magento (Adobe Commerce), Commercetools
• Marketing/CRM Platforms: e.g., Salesforce Marketing Cloud, Braze, Emarsys
• Personalization Engines: e.g., Dynamic Yield, Klevu, Nosto

Technical Proficiency

• Strong understanding of APIs (REST, GraphQL) and data integration patterns.
• Proficiency in SQL for data validation and analysis.
• Solid understanding of data modeling, schema design, and identity resolution concepts.
• Familiarity with web technologies (JavaScript, HTML, CSS) and tag management systems (Google Tag Manager).

Retail Business Acumen

Deep understanding of key retail metrics (e.g., Customer Lifetime Value - CLV, Conversion Rate, Average Order Value - AOV) and the ability to connect technology solutions to business outcomes.

Preferred Qualifications ----------------------

• Experience with headless commerce and composable architecture.
• Familiarity with loyalty program platforms and their integration.
• Knowledge of Digital Asset Management (DAM) and Product Information Management (PIM) systems.
• Experience in both B2C and D2C retail environments.
• Professional fluency in German is a strong asset.

About your team ----------------

Our CRL (Consumer Goods, retail & Logistics) practice helps some of the largest global firms and most recognizable local brands solve their biggest challenges in today’s age of constant disruption. With diverse services spanning growth strategy and new product innovation, to omni-channel customer experience, supply chain resiliency and AI-driven new business models, we help clients shape and achieve their growth agenda for a sustainable future.

About Infosys Consulting -------------------------

Be part of a globally renowned management consulting firm on the front-line of industry disruption and at the cutting edge of technology. We work with market leading brands across sectors. Our culture is inclusive and entrepreneurial. Being a mid-size consultancy within the scale of Infosys gives us the global reach to partner with our clients throughout their transformation journey.

Our core values, IC-LIFE, form a common code that helps us move forward. IC-LIFE stands for Inclusion, Equity and Diversity, Client, Leadership, Integrity, Fairness, and Excellence. To learn more about Infosys Consulting and our values, please visit our careers page.

Within Europe, we are recognized as one of the UK’s top firms by the Financial Times and Forbes due to our client innovations, our cultural diversity and dedicated training and career paths. Infosys is on the Germany’s top employers list for 2023. Management Consulting Magazine named us on their list of Best Firms to Work for. Furthermore, Infosys has been recognized by the Top Employers Institute, a global certification company, for its exceptional standards in employee conditions across Europe for five years in a row.

We offer industry-leading compensation and benefits, along with top training and development opportunities so that you can grow your career and achieve your personal goals. Curious to learn more? We’d love to hear from you.... Apply today!

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Job Responsibilities

• Design, develop, and maintain scalable and performant web applications using modern frontend frameworks.
• Translate wireframes and mockups into responsive and accessible UI components.
• Collaborate with UI/UX designers to ensure consistent design language.
• Participate in requirement gathering, scope definition, and sprint planning.
• Write clean, maintainable, and testable code.
• Develop and maintain unit tests and E2E tests to ensure code reliability.
• Lead code reviews and drive continuous improvement of development practices.
• Plan and allocate resources effectively across multiple projects.
• Mentor junior engineers and foster a culture of technical excellence.
• Support CI/CD workflows and deployment processes.

Required Qualifications

• Proficient in HTML, CSS, JavaScript, and modern frontend development principles.
• Strong hands-on experience with Vue.js (preferably v3) and component-based architecture.
• Experience with Nuxt.js for building SSR and SPA applications.
• Familiarity with responsive design and mobile-first development.
• Skilled in CSS frameworks (e.g., Tailwind, Bootstrap) and pre-processors (SASS/LESS).
• Experience with build tools like Vite or Webpack.
• Establish best practices for code quality, testing, and deployment.
• Proficient in frontend testing frameworks such as Playwright and Vitest.
• Strong experience writing unit tests and E2E tests for frontend components and business logic.
• Understanding of Git, version control workflows, and CI/CD pipelines.
• Ability to plan, allocate, and manage engineering resources effectively across projects.
• Proven experience mentoring junior engineers and leading small teams.
• Strong communication skills in English and Mandarin.

Bonus Skills

• Experience with E2E testing frameworks (Playwright preferred).
• Familiarity with Agile methodologies.
• Knowledge of performance optimisation and SEO best practices.
• Familiarity with Google Analytics and Google Tag Manager.
• Understanding of Web Accessibility Initiative (WAI) standards.

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Location

London

Employment Type

Full time

Location Type

Hybrid

Department

CommercialRevenue Operations

Synthesia is the world's leading AI video platform for business, used by over 90% of the Fortune 100. Founded in 2017, the company is headquartered in London, with offices and teams across Europe and the US.

As AI continues to shape the way we live and work, Synthesia develops products to enhance visual communication and enterprise skill development, helping people work better and stay at the center of successful organizations.

Following our recent Series E funding round, where we raised $200 million, our valuation stands at $4 billion. Our total funding exceeds $530 million from premier investors including Accel, NVentures (Nvidia's VC arm), Kleiner Perkins, GV, and Evantic Capital, alongside the founders and operators of Stripe, Datadog, Miro, and Webflow.

About the role

As Synthesia's go-to-market strategy matures and marketing scales, we're building stronger operational foundations to drive predictable growth. We're looking for a Marketing Operations Manager to own and optimize the marketing engine — ensuring data integrity, scalable processes, and visibility into marketing performance.

Sitting within our RevOps team, this role will sit at the intersection of marketing, operations, and sales, driving automation, insights, and operational excellence that enable the team to move faster and smarter.

What you'll be doing…

Technology & Tools

• Website & Analytics Management

Own website measurement and analytics setup (Google Analytics, GTM).

Own measurability of performance marketing return, and work with ad platform owners to drive ROAS.

Audit and improve event tracking — including demo forms, pricing page, and self-serve sign-ups - using Segment CDP.

Ensure reliable, clean data for decision-making.

• Attribution

Strengthen ad attribution (CAPI, MTA) and improve CRM attribution logic.

Maintain alignment and data integrity between HubSpot, Salesforce and our data platform.

• Automation & Process

Build and maintain workflows, email programs, and campaign templates for scalable execution.

Standardize and automate campaign operations across field events, webinars, and paid channels.

• Tech Stack Ownership

Centralize ownership of all marketing technology and integrations with other tooling.

Lead HubSpot optimization or migration to an enterprise-grade marketing automation platform.

Ensure field alignment across systems (fields, routing, account matching, tracking).

Data Management & Reporting:

• Data Quality

Maintain clean, standardized data across. Build proactive issue-flagging and data QA mechanisms.

• Reporting & Insights

Build and maintain marketing dashboards (funnel performance, pipeline influence, ROI).

Support ad hoc analysis and root-cause investigations for performance drops.

Provide full-funnel and lifecycle visibility — from awareness to closed-won.

Deliver ICP-level insights on channel effectiveness and buyer engagement patterns.

• Lead & Intent Scoring

Design and implement lead scoring models combining demographic fit and behavioral intent.

Help sales prioritize outreach through clear, actionable scoring frameworks

Process & Workflow Optimization:

• Lead Lifecycle Management

Define and optimize lead routing, scoring, and handoff between marketing and sales.

Ensure enrichment, activity-based routing, and smooth SDR/AE follow-up.

• Automation & Efficiency

Automate repetitive marketing tasks and workflows for field marketing, SEO, and ads.

Enable marketing teams to focus on creativity and customer engagement, not manual ops.

• Field Marketing Enablement

Streamline event and campaign processes to minimize operational overhead.

Improve data capture, tracking, and ROI reporting for field events.

What you’ll bring…

• 5-7 years in Marketing Operations, Revenue Operations, or related operational or analytical roles.

• Hands-on experience with HubSpot, Salesforce, LeanData and marketing analytics tools. Experience with a sequencing tool (Outreach, SalesLoft, Groove, Gong) is a bonus.

• Deep experience in performance marketing and analytics, including hands-on within Google, Meta and LinkedIn ad platforms.

• Demonstrable experience creating and improving attribution models that drive decision-making.

• Strong understanding of inbound pipeline generation processes, including routing, prospect sequencing, enrichment and outreach.

• Exceptional data skills; able to conduct deep investigative analysis to identify issues and uncover areas of opportunity. The ability to write SQL is a strong bonus.

• Excellent cross-functional communication skills — especially with marketing, sales, and ops teams.

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