Solutions Architect – 6 month contract

Octopus Energy

Solutions Architect at Octopus Energy designing finance technology and integration architectures. Assessing current systems and defining strategies for efficient finance technology solutions.

Posted 6/2/2026contractLondon • 🇬🇧 United KingdomMid-LevelSeniorWebsite

About the role

Key responsibilities & impact

Be responsible for strategic and architectural technical decisions with a particular focus on Financial Operational Systems (Finance, Supply Chain Procurements and Sales)
Define and evaluate architecture options for finance systems and integrations, and present recommendations to senior stakeholders
Support the definition of a cohesive and consistent data model that can serve as the bedrock of all our financial systems whilst maintaining a global view of the impact on other tech systems
Assess existing systems & propose solutions to evolve finance technology to keep up with a rapidly growing scale up business
Collaborate with internal & external development teams during the solution design phase to ensure that any technical solution is fit for purpose
Collaborate closely with our TechOps and Security teams to ensure that the solution we choose fits within the organization, is scalable, supportable and secure

Requirements

What you’ll need

Proven experience designing finance technology and integration architectures in fast-growing, agile organisations
Strong experience with complex systems integration projects
Experience delivering system migrations or transformations while maintaining business continuity
Strong understanding of integration technologies and application architectures.
Understanding of modern integration patterns, REST APIs, modern application and data architecture.
Understanding at a protocol level of Single Sign-On (SSO) and identity provisioning technologies such as OAuth, OIDC, SAML and SCIM
Ability to produce high-quality technical documentation and present complex integration concepts to both technical and non-technical audiences
Excellent stakeholder management, facilitation, and communication skills

Benefits

Comp & perks

💰 Wondering what the salary for this role is? Just ask us! On a call with one of our recruiters it's something we always cover as we genuinely want to match your experience with the correct salary. The reason why we don't advertise is because we honestly have a degree of flexibility and would never want salary to be a reason why someone doesn't apply to Octopus - what's more important to us is finding the right octofit!
🎉 Octopus Energy Group is a unique culture. An organisation where people learn, decide, and build quicker. Where people work with autonomy, alongside a wide range of amazing co-owners, on projects that break new ground. We want your hard work to be rewarded with perks you actually care about! We were recently named the UK's top company to work for, and we ranked in the top ten in the Sunday Times Best Places to Work 2024. Our Group CEO, Greg has recorded a podcast about our culture and how we empower our people. We’ve also been placed in the top 10 companies for senior leadership
🎁 Visit our UK perks hub - Octopus Employee Benefits

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Hard Skills & Tools

finance technology architecturesystems integrationsystem migrationsREST APIsdata architectureSingle Sign-On (SSO)OAuthOIDCSAMLSCIM

Soft Skills

stakeholder managementfacilitationcommunicationcollaborationtechnical documentation