The Senior Sales Engineer serves as a key technical contributor within the Go-To-Market team, responsible for aligning product capabilities with client requirements to support both new business and existing account growth. The role plays a critical part in enabling technical credibility across sales cycles, engaging with clients directly, supporting strategic partners, and ensuring smooth technical alignment across all phases of the customer journey. This role operates at the intersection of Sales, Product, and Marketing, contributing to the commercial success of the business through expert technical guidance, strong stakeholder collaboration, and deep product understanding. What You Will Do

Act as the technical advisor in strategic sales opportunities, helping Sales teams and partners to clearly demonstrate product value to both new prospects and existing clients. Work with Account Managers and Customer Success teams to identify growth opportunities within existing accounts, including expansion, upsell, and cross-sell. Support partner-led sales engagements by providing technical expertise, ensuring accurate solution positioning and alignment with product capabilities. Participate in technical discovery activities, helping to clarify client requirements, identify product fit, and remove ambiguity in solution scope. Deliver tailored product demonstrations aligned to client priorities, industry needs, and commercially viable use cases. Collaborate with Product and Engineering to provide structured client and partner feedback into roadmap discussions and feature refinement. Contribute to the design and maintenance of scalable demo environments, reusable technical assets, and sales enablement materials. Share knowledge and collaborate with peers across the team to support a culture of continuous learning and technical excellence. Support sales planning and pipeline strategy discussions, including deal qualification and forecasting. Monitor and synthesise competitive intelligence to help refine product positioning and pre‑sales strategies. Support the creation of light‑touch thought leadership content, such as internal whitepapers or speaking points, to reinforce product and technical credibility.

What We Offer We’ll offer you a competitive salary and commission as well as the following benefits:

ShareSave scheme – ability to purchase company shares on preferential terms Private healthcare Income protection and group life insurance Pension Scheme Company Funded Health Cashplan Employee Assistance Programme Access to Private Dental Benefits Flexible / hybrid working options Enhanced Family Friendly Leave for adoption, maternity and paternity Bike 2 Work Scheme Employee Referral Bonus

Where You Will Be

Whilst this role is based from our London office, we support hybrid working This role also requires regular travel in‑country and/or overseas

To us at Aptitude, hybrid working means that our employees come together for 2‑days per week at their local office. It’s an opportunity for our teams to collaborate, solve problems together and to be engaged and involved in the wider community of our business. We ask employees to come into the office every Wednesday and give you the flexibility to choose your other day from either Tuesday or Thursday. Job Requirements

Experience in Sales Engineering or Pre‑Sales roles within a B2B SaaS environment. Experience working with financial products or complex financial technology solutions. Strong knowledge of APIs, integration methods, enterprise software architecture, and cloud technologies. Ability to engage effectively with a range of stakeholders, including partners, enterprise clients, and internal cross‑functional teams. Proven track record of supporting both net‑new sales and existing customer growth. Skilled at contributing to technical discovery, delivering engaging demos, and translating business requirements into product‑aligned solutions.

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