Architect jobs in United Kingdom

The future of AI — whether in training or evaluation, classical ML or agentic workflows — starts with high-quality data.

At HumanSignal, we’re building the platform that powers the creation, curation, and evaluation of that data. From fine-tuning foundation models to validating agent behaviors in production, our tools are used by leading AI teams to ensure models are grounded in real-world signal, not noise.

Our open-source product,Label Studio, has become thede facto standard for labeling and evaluating data across modalities — from text and images to time series and agents-in-environments. With over 250,000 users and hundreds of millions of labeled samples, it’s the most widely adopted OSS solution for teams working on building AI systems.

Label Studio Enterprisebuilds on that traction with the security, collaboration, and scalability features needed to support mission-critical AI pipelines — powering everything from model training datasets to eval test sets to continuous feedback loops.We started before foundation models were mainstream, and we’re doubling down now that AI is eating the world. If you're excited to help leading AI teams build smarter, more accurate systems — we’d love to talk.

As an Enterprise Solutions Architect at HumanSignal, you’ll ensure our enterprise customers realize maximum value from their Label Studio Enterprise investment. Partnering with Customer Success Managers, you’ll guide customers through setup, configuration and customization, workflow design, integration, and ongoing optimization - serving as their trusted technical advisor post-sale. You’ll architect solutions, troubleshoot issues, and ensure seamless integration with customer AI/ML pipelines, while collaborating with Product, Engineering, Support, and Customer Success to deliver an exceptional customer experience.

This high-impact, visible role puts you at the center of customer adoption and success. As an early member of our Customer Success team, you’ll help shape our engagement model, support customer scaling, and influence our product direction through direct technical insights.

What You’ll Do:

• Drive technical onboarding for enterprise customers, guiding them through installation, secure configuration, and best-practice deployment of Label Studio Enterprise across cloud, on-prem, or hybrid environments.
• Advise on and help architect integrations between Label Studio and customer AI/ML workflows, pipelines, storage, and enterprise systems.
• Develop and implement custom solutions (scripts, plug-ins, and APIs) to extend Label Studio functionality based on unique customer requirements.
• Troubleshoot and resolve advanced technical issues, serving as an escalation point for Customer Success Managers and collaborating with Product, Engineering, and Support as needed.
• Deliver enablement, workshops, and technical documentation to empower users and drive self-sufficiency with the platform.
• Act as a trusted technical advisor, building strong relationships with customer engineering, data, and AI/ML teams to support adoption, expansion, and long-term value.
• Surface customer feedback and advocate for product improvements by sharing learnings with Product and Engineering.
• Contribute to internal best practices and reusable solution assets for future customer engagements.

• 3+ years in a customer-facing technical role (e.g., Solutions Architect, Sales Engineer, Professional Services Engineer, or similar) for a highly technical product, ideally enterprise SaaS or ML/AI platforms.
• Direct experience building a data labeling pipeline (e.g. data annotation, labeling workflows, and/or the ML lifecycle) and the ability to effectively communicate these concepts to audiences.
• Experience integrating SaaS platforms with ML pipelines; has built & deployed ML models to production and/or done engineering work to prepare datasets for data science teams.
• Hands-on experience with Python, REST APIs, and infrastructure tools (Linux/Unix, Docker; Kubernetes a plus). Has built with multiple client APIs/SDKs in projects. Experience writing related technical documentation a plus.
• Strong executive presence and excellent written and verbal communication skills; able to translate complex technical concepts to a wide range of audiences from Data Scientists and Engineers to technical Executives.
• Strong project management and organizational skills; ability to manage multiple customers and priorities simultaneously.
• Collaborative, adaptable, and self-driven with a bias toward action.
• Creativity to help improve upon our post-sale technical & services offerings and supporting resources.
• Experience contributing to or deploying open-source software is a bonus.

What Success Looks Like:

Within 1 month, you’ll:

• Complete onboarding with a supportive team to gain a deep understanding of Label Studio Enterprise, common deployment models, and the HumanSignal approach to customer success.
• Shadow customer calls and internal handoffs, building relationships with CSMs, Product, and Engineering.
• Begin assisting with customer implementation and troubleshooting under guidance.

Within 3 months, you’ll:

• Independently lead technical onboarding and deployment for new enterprise customers.
• Deliver workshops, technical enablement, and implementation guidance for active accounts.
• Possess a deep technical understanding of Label Studio Enterprise to advise your GTM peers and serve as the escalation point for complex post-sale technical issues.
• Contribute customer insights to Product and Engineering to influence the roadmap.

Within 6 months, you’ll:

• Be a trusted technical advisor to our most strategic enterprise customers, regularly advising on architecture, workflow, integrations, and optimizations.
• Drive technical adoption and expansion by identifying opportunities to extend customer value.
• Actively contribute to reusable solution assets, best practices, and internal documentation to scale impact.

It is an exciting time at HumanSignal; we are a growing startup and are constantly evolving. While we have put a lot of thought into your first and most important initiatives, we will develop these goals together. We're always learning and growing, so like us this role will evolve and expand. If this opportunity sounds exciting to you and you want to be part of our journey, we want to hear from you!

• We’re building the future of data-centric AI - an area with growing momentum and industry backing.
• Our product is already beloved by a thriving open source and enterprise community.
• You’ll work alongside experienced, mission-driven teammates who care deeply about quality, usability, and impact.
• We’re a startup with strong funding and massive room for growth.

While our community and customers enjoy our products, we understand it is our team who make that possible. That is why we want to support you in doing your best work. To explore more about our team please visit theabout our team page.

We hope you are interested in our opportunities and encourage you to apply even if you are not sure you fit all of the requirements. When applying please include: A short document covering of your experience & skills, such as a resume or linkedin profile. If you have a cover letter expanding on your background and why HumanSignal is of interest to you, even better, though a cover letter is not required & will not impact your application status. When we receive your application, we’ll get back to you about the next steps.

HumanSignal is an Equal Opportunity Employer. We are committed to building an organization that welcomes diverse backgrounds and lifestyles. Our goal is to create an inclusive work environment that is equitable and where everyone feels they belong. We foster open and transparent communication and a workplace where discrimination and harassment are not tolerated. If you need any accommodations or assistance to make your interviews more accessible please do not hesitate to reach out to us.

We do not discriminate against employees or applicants based on gender identity or expression, sexual orientation, religion, age, race, military/veteran status, citizenship, pregnancy status, or any other differences.

We are hiring for this role across North America. Base Salary is targeted between $122,500 - 143,500 USD (based on experience and skills). This role also qualifies for variable compensation; anticipated On-Target Earnings if an employee is meeting objectives are $175,000 - $205,000 USD. This range is provided by market data and is in good faith. Final offer details are determined by several factors including candidate experience, expertise as well as applicable industry knowledge, and may vary from the pay ranges listed above. We also offer stock options, comprehensive health benefits, and a strong team culture rooted in transparency and collaboration. Join us!

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