Job Description

Location: Lodnond
? Office requirement: Hybrid with two days a week in office
Employment type: Full Time, Permanent


At GWI we're always looking for extraordinary people who thrive on making an extraordinary impact. Right now we're looking for a Sales Engineer to play a key role in our Revenue team in London. If that's you, and making a difference gets you out of bed in the morning, keep reading. It could be the start of something, well, extraordinary.

Sounds great, what will I be doing?

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As our Sales Engineer you'll partner with sales teams to win business by translating customer needs into clear, technically sound API and data solutions. Serve as the technical lead in the pre-contract phase, engaging with prospects to define solution approaches, demonstrate capabilities, and ensure proposed integrations are feasible and aligned with business objectives. Post-sale, hand over the detailed solution design to the Solution Architect function for deeper technical execution and customer onboarding.

Key Responsibilities

Pre-Sales Technical Leadership

Partner with Account Executives during the sales cycle to assess customer requirements and propose optimal API and data integration solutions. Lead technical discovery sessions with prospects to understand existing systems, data flows, and integration constraints. Articulate and demonstrate API capabilities, data models, and integration patterns to both technical and business stakeholders. Evaluate technical feasibility of proposed solutions, identifying any blockers and mitigation strategies before contract close. Translate business requirements into high-level architecture diagrams, integration workflows, and technical statements of work. Powerful asset and partner for Product Marketing when rolling out new launches to the field, building new demo assets and then iterating and providing feedback on how these land with customers, gaps in functionality etc

Solution Proposal & Documentation

Create and maintain pre-sales technical assets, including demo environments, sample API calls, code snippets, and reference integrations. Provide clear documentation of proposed integrations for smooth transition to the Solution Architect post-contract. Collaborate with product and engineering teams to validate solution approaches and ensure alignment with platform capabilities and roadmap.

Collaboration & Feedback Loop

Act as the bridge between sales, product, and engineering during the sales process. Capture market and prospect feedback on API/data features to inform product development. Support RFP responses with technical input, diagrams, and integration feasibility assessments.

It's also fun; shaking things up is what working for a growing company is all about. So you'll need to be flexible, comfortable with continuous change, and working in a high-tempo environment as we grow.

What do I need to bring with me?

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You'll need to be able to demonstrate the core skills this role requires. You don't have to tick all the boxes right away; the important thing is that you're willing to learn. Here's what the team will be looking for:



Proven experience as a Pre-Sales Engineer, Sales Engineer, or Solutions Consultant role with a focus on APIs, SaaS platforms, or data integrations.
Strong understanding of REST API design, authentication (OAuth, JWT), and data formats (JSON, XML, CSV).
Familiarity with common integration patterns (ETL, webhooks, event streaming, middleware orchestration).
Strong verbal and written communication skills, able to explain technical solutions to mixed technical/business audiences.
Comfortable in fast-paced sales cycles, balancing multiple opportunities simultaneously.



Equally important is attitude. We want people who think big (to make an impact), ask why (to find a better way), and show respect (to everyone, at every level, all the time). Those are our values, exemplified by our leadership team, and they're a big part of what we're looking for in you.

Interview steps

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Preliminary phone call with the Talent Team (no video required)
First video interview with the hiring managers
Second (and final*) video interview with the hiring panel, often including a presentation, followed by a values conversation with members of the wider GWI community.
Don't be alarmed if there are other stages in the process, it's all part of the plan for some of our roles.

What exactly is GWI?

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GWI is modernized consumer research; global, on-demand, and accessible to everyone, not just data experts. Our platform is designed for companies looking for fresh and insightful data about their consumers' values, purchase journeys, media usage, and social media habits.



With data representing the views of nearly 3 billion people across 52+ countries, GWI has become the go-to for agencies, brands, and media companies that want to know what really drives their audience to action.



Since launching in 2009 we've grown at a healthy pace, and to maintain this growth we need more extraordinary people. Hence this ad. Hence you.

What's in it for me?

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You'll do the sort of work that got you excited about your career in the first place - not as a cog in a machine, but as an individual whose contribution matters. So gigantic job satisfaction comes as standard, but it's only part of the package. You'll also get:



Tons of days off: 25 days annual leave | Xmas office closures
More than a great salary: Health cash plan | 4% pension plan matching
Great work-life balance: Flexitime | early Friday finishes | Work-from-anywhere options
Family-focused flexibility: Carer days | Enhanced parental leave | Health cash plan for your family
A commitment to YOU: Accredited learning programs | A commitment to mental and physical health | Reward and recognition programs | Career development opportunities
A commitment to the community: DE&I committee | Volunteer options | 100% donation matching | Payroll giving options

Put all that together and GWI is the friendliest, most fulfilling place any of us has ever worked.

Diversity, Equity & Inclusion

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We take DE&I seriously. Not only is it obviously the right thing to do, it's also the bedrock of our value of show respect and at the heart of our company culture.



We're a global data business, so it's essential our data reflects the global reality. Putting diversity into practice like this literally makes our business stronger. That's why we strive to make our offices - and our teams - as diverse as our data. Want to know more? Take a look at our Life page on LinkedIn to learn more about our DE&I initiatives.



The point is, GWI is a place where you can genuinely feel at home, express yourself, and make your mark - whoever you are.


As a Disability Confident employer, we encourage applications from disabled candidates and are dedicated to providing all relevant assistance during the application and interview process. We also encourage individuals from all backgrounds, including those from underrepresented and marginalized communities, to join our team.





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