Senior Technical & UX Writer

Checkout.com
Full-timeLondon, United Kingdom

📍 Job Overview

Job Title: Senior Technical & UX Writer

Company: Checkout.com

Location: London, England, United Kingdom

Job Type: FULL_TIME

Category: Content Design / Technical Writing

Date Posted: 2026-05-05T00:00:00

Experience Level: 5-10 years

Remote Status: Hybrid

🚀 Role Summary

  • Drive the creation and refinement of high-quality technical documentation and user experience (UX) content to support Checkout.com's financial products and online payment solutions.

  • Champion clear, consistent, and user-centric content across diverse domains, including technical documentation, API references, and support site materials, ensuring seamless product integration for developers and business users.

  • Collaborate closely with cross-functional teams, including Product, Engineering, Design, User Research, and Marketing, to gather requirements, ensure accuracy, and advocate for the end-user's needs.

  • Leverage expertise in Docs-as-Code methodologies, Git, and API specifications (like OpenAPI) to manage content efficiently and maintain a high standard of technical accuracy and accessibility.

📝 Enhancement Note: The role is explicitly for a "Senior Technical & UX Writer," indicating a need for both deep technical writing skills and a strong understanding of user experience principles in content creation. The emphasis on "financial products and online payment solutions" and "product integrations" points towards a critical role in developer experience and customer enablement within the fintech sector.

📈 Primary Responsibilities

  • Develop, write, and maintain comprehensive technical documentation, API references, SDK guides, and support site content that is clear, accurate, and easy to understand for various audiences, including developers, business analysts, and payment operations specialists.

  • Collaborate with Product Managers, Engineers, and Designers to understand new features, product updates, and technical specifications, translating complex information into accessible content.

  • Implement and champion Docs-as-Code principles, utilizing Git for version control and collaborative workflows to ensure efficient content management and rapid iteration.

  • Actively participate in content strategy discussions, contributing to style guides, content audits, and the overall information architecture of technical content.

  • Utilize content analytics and user research findings to inform content decisions, measure effectiveness, and drive continuous improvement in documentation quality and user satisfaction.

  • Advocate for the user by ensuring content is intuitive, accessible, and addresses user needs effectively, fostering a positive developer experience.

  • Stay abreast of emerging technologies, including AI, and explore their application to optimize content creation processes, improve efficiency, and enhance content quality.

📝 Enhancement Note: The responsibilities highlight a proactive and strategic approach to content creation, moving beyond simple writing to include content strategy, user advocacy, and process improvement. The mention of "advocating for our users" and understanding "different needs of different content audiences" underscores the UX aspect of the role.

🎓 Skills & Qualifications

Education: While no specific degree is mandated, a strong educational background in English, Technical Writing, Computer Science, or a related field is advantageous. The focus is on demonstrated skills and experience rather than a specific degree.

Experience: 5-10 years of professional experience in technical writing, content design, or a similar role, with a proven track record in the SaaS or online payments industry.

Required Skills:

  • Proven experience in technical writing, with a strong portfolio showcasing complex API documentation and technical content.

  • Proficient in Docs-as-Code methodologies, including Git for version control and collaborative workflows.

  • Deep understanding of the OpenAPI (OAS) specification and experience documenting APIs.

  • Familiarity with data formats such as JSON, YAML, and Markdown.

  • Ability to read and comprehend code in at least one programming language.

  • Experience working within a Software-as-a-Service (SaaS) business or the online payments sector.

  • Excellent written and verbal communication skills in English.

  • Strong stakeholder management skills, with the ability to effectively collaborate with cross-functional teams.

Preferred Skills:

  • Experience in UX writing and content design principles.

  • Familiarity with user research methodologies and leveraging content analytics to drive decisions.

  • Curiosity and practical experience with AI tools for process optimization and content enhancement.

  • Experience in fintech or a fast-paced, performance-driven environment.

  • Ability to think in systems and understand how individual work contributes to the larger picture.

  • Experience reviewing documentation contributions from others and providing constructive feedback.

📝 Enhancement Note: The requirements emphasize a blend of technical proficiency (Git, OpenAPI, code reading) and user-centricity (UX writing, user research). The "5-10 years" experience level suggests a need for candidates who can operate independently and contribute strategically, not just execute tasks.

📊 Process & Systems Portfolio Requirements

Portfolio Essentials:

  • A comprehensive portfolio demonstrating a range of technical writing projects, including API documentation, SDK guides, and user-focused support content.

  • Case studies highlighting successful content strategy implementation, particularly for complex technical products or APIs, showcasing process improvements and measurable outcomes.

  • Examples of documentation developed using Docs-as-Code principles, showcasing proficiency with Git workflows and collaborative editing.

Process Documentation:

  • Evidence of creating and maintaining clear documentation for complex processes, particularly those related to API integration, product onboarding, or technical troubleshooting.

  • Examples of contributions to style guides, content frameworks, or information architecture for technical documentation sets.

  • Documentation showcasing the use of tools and workflows for efficient content review, approval, and publishing cycles.

  • Case studies detailing the application of AI or automation tools to streamline documentation processes or enhance content quality.

📝 Enhancement Note: For a Senior Technical & UX Writer, a portfolio is crucial. It should not only showcase writing samples but also demonstrate a deep understanding of technical processes, collaborative workflows (Docs-as-Code), and user-centric design principles. The ability to articulate process improvements and the impact of their work is key.

💵 Compensation & Benefits

Salary Range: Based on industry benchmarks for Senior Technical Writers in London with 5-10 years of experience in the Fintech sector, the estimated salary range is £70,000 - £95,000 per annum. This range accounts for the seniority of the role, the specialized skills required (technical writing, UX, API documentation, Docs-as-Code), and the high cost of living in London.

Benefits:

  • Hybrid working model with 3 days in the office, offering flexibility and work-life balance.

  • Opportunity to work on cutting-edge financial technology products with global impact.

  • Collaborative and performance-driven team environment with opportunities for professional growth.

  • Comprehensive health and wellness benefits (specifics to be confirmed by the company).

  • Career-defining opportunities and recognition for impactful contributions.

  • Access to learning and development resources, including potential for AI tool adoption and exploration.

Working Hours: The role is full-time, with an estimated 40 hours per week. The hybrid model provides flexibility on how these hours are structured, with a requirement for 3 days per week in the London office.

📝 Enhancement Note: Salary estimation is based on Glassdoor, LinkedIn Salary, and industry reports for Senior Technical Writers in London, considering the Fintech sector's premium. Benefits are inferred from the company's general description and industry standards for tech companies.

🎯 Team & Company Context

🏢 Company Culture

Industry: Fintech / Online Payments. Checkout.com operates at the forefront of digital payments, enabling businesses worldwide to process transactions seamlessly. This industry is characterized by rapid innovation, high transaction volumes, and a strong focus on security, reliability, and developer experience.

Company Size: Checkout.com is a significant player in the fintech space, with a global presence (19 offices spanning six continents) and a growing team. This size indicates a dynamic, fast-paced environment with opportunities for impact and career advancement, but also a need for structured processes and clear communication.

Founded: Checkout.com was founded in 2012. Its rapid growth since then highlights a culture of ambition, innovation, and execution, aiming to build the future of fintech.

Team Structure: The Technical Writer will be part of a larger "Content Design" team, which includes over 40 people across Brand Design, Product Design, UX Research, and Content Design. They will report directly to the Senior Manager of Tech Writing. This structure suggests a collaborative environment where content professionals work together, share knowledge, and contribute to a unified brand and user experience. The role requires close collaboration with Product, Engineering, and Design teams across various functions.

Methodology: Checkout.com emphasizes a "fast-moving, performance-obsessed" culture. For the Content Design team, this translates to a focus on user-centricity, data-driven decision-making (content analytics, user research), and efficient workflows (Docs-as-Code, AI adoption). The company values "ownership," "fewer blockers," and "work that makes a difference from day one," suggesting an environment where initiative is rewarded and impact is prioritized.

Company Website: https://www.checkout.com/

📝 Enhancement Note: The company culture is described as performance-obsessed, fast-moving, and focused on user impact. The "Content Design" team's size and cross-functional nature suggest a mature approach to content strategy within the organization.

📈 Career & Growth Analysis

Operations Career Level: This is a Senior Technical & UX Writer position, indicating a mid-to-senior level role. It requires significant autonomy, strategic thinking, and the ability to mentor or guide less experienced team members. The role is expected to contribute to defining content strategy and processes, not just executing tasks. The "5-10 years" experience requirement reinforces this seniority.

Reporting Structure: The Senior Technical Writer reports directly to the Senior Manager of Tech Writing. This position will also work closely with Product Managers, Engineers, Designers, and UX Researchers, highlighting a highly collaborative and cross-functional reporting dynamic.

Operations Impact: The role's impact is critical for Checkout.com's success in the fintech space. High-quality technical documentation and UX content directly influence developer adoption of APIs, ease of integration for merchants, and overall customer satisfaction. By making complex financial products accessible and understandable, this role directly supports business growth, reduces support load, and enhances Checkout.com's reputation as a developer-friendly platform.

Growth Opportunities:

  • Specialization: Deepen expertise in API documentation, developer experience (DevEx), or specific areas of fintech content.

  • Leadership: Progress to Lead Technical Writer, Senior Manager roles, or pivot into Product Management or Content Strategy leadership.

  • Skill Development: Gain advanced skills in AI-driven content creation, advanced documentation tools, and UX research methodologies.

  • Cross-functional Exposure: Develop a strong understanding of product development lifecycles and business operations within a leading fintech company.

  • Mentorship: Opportunity to mentor junior writers and contribute to team growth and knowledge sharing.

📝 Enhancement Note: The "Senior" title and the detailed 6-month onboarding plan suggest a role with significant growth potential, moving from learning foundational aspects to independently owning product areas and influencing strategy.

🌐 Work Environment

Office Type: Checkout.com operates a hybrid working model, requiring three days per week in their London office. This suggests a professional office environment designed to foster collaboration, team connection, and innovation, balanced with remote flexibility.

Office Location(s): The role is based in London, England. Specific details about the office address and amenities would be available upon further inquiry or during the interview process, but it's implied to be a central, accessible location for employees.

Workspace Context:

  • Collaborative Environment: The hybrid model and team structure encourage interaction with colleagues from diverse functions (Product, Engineering, Design, UX Research). This fosters a dynamic exchange of ideas and facilitates effective problem-solving.

  • Tools & Technology: Expect access to modern documentation tools, version control systems (Git), and potentially AI-powered content creation aids, aligning with the company's forward-thinking approach.

  • Team Interaction: Regular team meetings, cross-functional project sessions, and informal interactions in the office are expected, providing ample opportunities to connect with peers and stakeholders.

Work Schedule: A standard full-time schedule (approximately 40 hours per week) is expected. The hybrid arrangement allows for flexibility in structuring workdays, with a requirement for in-office presence on designated days to support team collaboration and in-person communication.

📝 Enhancement Note: The hybrid model is a key aspect of the work environment, balancing the need for in-person collaboration with the flexibility desired by many professionals in tech roles.

📄 Application & Portfolio Review Process

Interview Process:

  • Initial Screening: A recruiter will review your application and portfolio. Be prepared to discuss your experience and how it aligns with the role's requirements.

  • Hiring Manager Interview: A discussion with the Senior Manager of Tech Writing, focusing on your technical writing expertise, UX sensibility, and understanding of Docs-as-Code and API documentation. This stage will likely involve a review of your portfolio.

  • Team/Cross-Functional Interviews: You may meet with other members of the Content Design team, Product Managers, or Engineers. These interviews will assess your collaboration skills, ability to work within a team, and understanding of user needs.

  • Technical/Writing Assessment (Potential): A practical exercise or a more in-depth portfolio review might be conducted to assess your writing quality, technical accuracy, and problem-solving approach. This could involve reviewing a piece of documentation or responding to a scenario.

  • Final Interview: Potentially with a more senior leader to discuss cultural fit, strategic thinking, and long-term career aspirations within Checkout.com.

Portfolio Review Tips:

  • Curate Strategically: Select 3-5 of your strongest, most relevant projects showcasing API documentation, Docs-as-Code implementation, and UX-focused content.

  • Showcase Impact: For each project, clearly articulate the problem, your solution, the tools/processes used (e.g., Git, OpenAPI), and the measurable impact or outcome. Quantify where possible.

  • Highlight Processes: Emphasize your experience with Docs-as-Code, Git workflows, and how you collaborate with engineering and product teams.

  • Demonstrate User-Centricity: Provide examples of how you've incorporated user feedback, user research, or content analytics to improve documentation.

  • Be Ready to Discuss: Prepare to walk through your portfolio items, explaining your thought process, design decisions, and any challenges encountered.

Challenge Preparation:

  • Docs-as-Code Scenarios: Be ready to discuss how you would manage documentation within a Git repository, handle pull requests, and collaborate on content.

  • API Documentation Challenges: Prepare to discuss how you would approach documenting a complex API, including considerations for different user types (developers, business analysts).

  • User Empathy Exercises: Think about how you would gather user requirements and ensure your documentation meets their needs effectively.

  • AI Integration: Consider how you might leverage AI tools to improve efficiency or quality in technical writing.

📝 Enhancement Note: The interview process emphasizes practical skills and collaborative abilities. A strong portfolio is paramount, and candidates should be prepared to articulate their process, impact, and user-centric approach.

🛠 Tools & Technology Stack

Primary Tools:

  • Version Control: Git is a core requirement, used extensively for managing documentation through the Docs-as-Code approach. Proficiency in Git commands and workflows (branching, merging, pull requests) is essential.

  • Documentation Format: Markdown is likely the primary markup language for content creation, given its prevalence in Docs-as-Code environments.

  • API Specification: OpenAPI (OAS) specification knowledge is critical for documenting APIs effectively.

  • Data Formats: JSON and YAML are frequently used in API development and configuration, so familiarity is important.

  • Content Management/Authoring: While not explicitly listed, expect to use a combination of text editors (e.g., VS Code), static site generators (e.g., Hugo, Jekyll, Docusaurus), and potentially specialized documentation platforms.

Analytics & Reporting:

  • Content Analytics Tools: Experience with tools that track documentation usage, user engagement, and content performance (e.g., Google Analytics, Amplitude, or internal analytics platforms) is preferred.

  • User Feedback Mechanisms: Familiarity with collecting and analyzing user feedback from various channels (e.g., issue trackers, surveys, direct feedback).

CRM & Automation:

  • While not directly part of the writer's core tooling, understanding how documentation integrates with CRM systems or supports customer onboarding workflows can be beneficial. Familiarity with workflow automation concepts may also be advantageous.

📝 Enhancement Note: The technology stack is heavily influenced by the Docs-as-Code methodology, emphasizing developer-centric tools and formats. Proficiency in Git, Markdown, JSON, YAML, and OpenAPI is non-negotiable.

👥 Team Culture & Values

Operations Values:

  • User-Centricity: Placing the user (developers, business analysts, payment specialists) at the heart of all content creation, ensuring clarity, accessibility, and usefulness.

  • Quality & Accuracy: A commitment to producing technically precise, well-written, and error-free content, understanding the critical nature of information in fintech.

  • Collaboration & Trust: Building strong working relationships across teams, valuing feedback, and fostering an environment of mutual respect and shared success.

  • Continuous Improvement: Embracing learning, iterating on processes and content swiftly, and actively seeking ways to be better every day.

  • Accountability & Initiative: Taking ownership of work, defining clear objectives, and driving projects forward with self-motivation.

Collaboration Style:

  • Cross-functional Integration: Working seamlessly with Product, Engineering, Design, and UX Research teams to gather information, ensure accuracy, and align content with product strategy.

  • Feedback-Driven: Openness to receiving and providing constructive feedback on content and processes to foster growth and improve quality.

  • Knowledge Sharing: A culture of sharing expertise, best practices, and learnings to elevate the entire team's capabilities, especially regarding new technologies like AI.

📝 Enhancement Note: The company values align with high-performing tech environments: user focus, quality, collaboration, and continuous improvement. The emphasis on "building trust" and "accountability" suggests a mature and professional workplace.

⚡ Challenges & Growth Opportunities

Challenges:

  • Rapidly Evolving Fintech Landscape: Keeping documentation up-to-date with frequent product updates, new features, and evolving industry standards in a fast-paced fintech environment.

  • Complex Technical Subject Matter: Translating highly technical concepts related to payments, APIs, and financial systems into clear, accessible content for diverse audiences.

  • Balancing Speed and Quality: Delivering high-quality documentation efficiently within tight product release cycles, while upholding rigorous standards.

  • Advocating for UX/Content: Continuously championing the importance of user-centric content and UX best practices within engineering and product teams.

  • Integrating New Technologies: Effectively adopting and leveraging tools like AI to enhance documentation processes without compromising quality or accuracy.

Learning & Development Opportunities:

  • Fintech Domain Expertise: Deepen understanding of the online payments industry, financial regulations, and the technical intricacies of Checkout.com's platform.

  • Advanced Documentation & UX Skills: Enhance expertise in API design documentation, developer experience (DevEx), information architecture, and advanced content strategy.

  • AI in Content Creation: Explore and implement AI tools to optimize writing workflows, generate content drafts, and analyze documentation effectiveness.

  • Leadership and Mentorship: Opportunities to lead documentation projects, mentor junior writers, and contribute to the strategic direction of the Content Design team.

  • Industry Best Practices: Stay current with the latest trends in technical writing, UX design, and Docs-as-Code methodologies through conferences, training, and community engagement.

📝 Enhancement Note: The challenges are typical for a senior role in a fast-growing tech company, particularly in a complex domain like fintech. The growth opportunities are substantial, offering paths for both technical specialization and leadership.

💡 Interview Preparation

Strategy Questions:

  • "Describe a time you had to document a complex API. What was your process, and what challenges did you face?" (Focus on your approach, tools like OpenAPI, and how you ensured clarity for developers.)

  • "How do you ensure your technical documentation is user-centric and meets the needs of different audiences (e.g., developers vs. business analysts)?" (Highlight your UX writing skills, user research integration, and audience analysis.)

  • "Explain your experience with Docs-as-Code and Git. How would you manage a documentation workflow within a technical team?" (Be ready to discuss branching strategies, pull requests, and collaborative review processes.)

Company & Culture Questions:

  • "What interests you about Checkout.com and the fintech industry specifically?" (Research the company's mission, values, and recent news. Align your interests with their goals.)

  • "How do you handle feedback on your writing, especially constructive criticism from engineers or product managers?" (Emphasize your openness to feedback and your process for incorporating it.)

  • "How do you prioritize your work when faced with multiple competing demands from different teams?" (Discuss your organizational skills, ability to manage stakeholders, and how you align with business objectives.)

Portfolio Presentation Strategy:

  • Structure Your Narrative: For each portfolio piece, clearly state the project goal, your specific role and contributions, the methodology (including Docs-as-Code/Git), the challenges overcome, and the positive impact or outcome.

  • Highlight Technical Proficiency: Showcase your familiarity with Git, OpenAPI, JSON, YAML, and Markdown by referencing them within your project descriptions.

  • Emphasize User Focus: Explain how you considered the end-user experience and how your content facilitated their success.

  • Be Prepared for Technical Deep Dives: Anticipate questions about your technical choices, content structure, and the specifics of the documentation you've produced.

  • Showcase AI Exploration (if applicable): If you've used AI tools, be ready to explain how and why, focusing on efficiency gains or quality improvements.

📝 Enhancement Note: Preparation should focus on demonstrating a blend of technical expertise, user empathy, and strategic thinking, backed by concrete examples from the candidate's portfolio.

📌 Application Steps

To apply for this Senior Technical & UX Writer position:

  • Submit your application through the provided link on Ashby.

  • Tailor your Resume: Highlight experience relevant to technical writing, UX writing, API documentation, Docs-as-Code, Git, OpenAPI, and the SaaS/Fintech industry. Quantify achievements where possible.

  • Curate your Portfolio: Select your strongest 3-5 projects that best showcase your skills in API documentation, technical writing, and user-centric content. Prepare to discuss them in detail.

  • Prepare for Interview Questions: Familiarize yourself with common technical writing and UX interview questions, and practice articulating your experience and thought process.

  • Research Checkout.com: Understand the company's mission, products, values, and recent developments to demonstrate genuine interest and cultural fit.

⚠️ Important Notice: This enhanced job description includes AI-generated insights and operations industry-standard assumptions. All details should be verified directly with the hiring organization before making application decisions.

Application Requirements

Requires experience in SaaS or online payments with a strong command of Git, Docs-as-Code, and the OpenAPI specification. Candidates must be able to read code and have experience documenting complex APIs using JSON, YAML, and Markdown.