Senior Platform Engineer

Salary Range - £63,500 - £75,500

A Senior Platform Engineer is responsible for designing, building, and maintaining the platforms, tooling, and infrastructure that enable product and delivery teams to build, deploy, and operate software reliably and efficiently. They define and champion good practice through technical standards, evolving conventions, and shared tools and platforms that remove friction and empower teams to move faster and more safely.

A key aspect of Senior Platform Engineering is long‑term thinking: designing systems that remain resilient, scalable, and maintainable as time passes. Balancing immediate delivery needs with future sustainability ensures the continued success of the individual, the team, and the organisation.

A member of the Platform Team builds internal products and automation to support cross functionally. They focus on improving reliability, observability, deployment, and operational processes, while clearly documenting standards and enabling self‑service capabilities for engineering teams.

Responsibilities
As a Senior Platform Engineer at Inflo, you will:

• Write high quality, maintainable code
• Maintain and improve platform performance, reliability, and resilience
• Contribute to and maintain technical designs and architecture
• Bring innovation to platform and delivery practices
• Optimise systems and services for deployability, operability, and scalability

Required/desired skills & qualifications

Required:

• Azure / AWS / GCP (Azure preferred)
• Azure Pipelines / GitHub Actions / GitLab CI (Azure Pipelines preferred)
• Cloud‑based infrastructure, CI/CD pipelines, monitoring, and alerting tooling
• Clear and concise coding techniques
• Foundational technical design and architecture skills
• Self‑guided research into development, platform, and process‑related topics
• Strong inter‑team collaboration and communication skills
• Strong unit testing capabilities

Desired:

• Azure Infrastructure‑as‑Code experience (Bicep, ARM)
• C# / Java (C# preferred)
• ASP.NET Core / general web development (ASP.NET Core preferred)
• Azure Functions / AWS Lambda / Google Cloud Functions (Azure Functions preferred)
• Azure Service Bus / RabbitMQ / similar messaging technologies (Azure Service Bus preferred)
• Strong understanding of DevOps culture and ways of working
• Involvement in wider‑reaching automated testing and quality practices
• BSc in Computer Science or another related degree

Core values in action

• Science – A Senior Platform Engineer demonstrates Science by taking a data‑driven approach to designing, improving, and operating platforms, using evidence, monitoring, and experimentation to make informed technical decisions.
• Ownership – They demonstrate Ownership by taking accountability for the reliability, security, and maintainability of the platforms they build, proactively identifying issues and driving solutions through to completion.
• Openness – They demonstrate Openness by sharing knowledge, documenting standards, and collaborating transparently cross functionally and welcoming feedback and diverse perspectives to improve outcomes.
• Agility – They demonstrate Agility by adapting quickly to changing requirements, iterating on platform capabilities, and continuously improving tooling and processes to support fast, safe delivery.

Success within the first 12 month

• You take ownership of proposed features, and are responsible for the successful end-to-end lifecycle from inception to delivery, directing the work of others as required.
• You actively lead team ceremonies, offering strategic suggestions to improve working practices.
• You write self-documenting, appropriately tested code to fulfil the requirements, including both infrastructure and application code.
• You review the code of other engineers offering appropriate feedback, and will be added to the approved Code Reviewer group.
• You mentor colleagues to grow their skills in both technical and non-technical areas.
• You actively engage in opportunities to grow your skills in organised and self-directed learning.

THE COMPANY

Inflo is a fast-paced, agile, and rapidly scaling technology company. Founded in 2015, we have established Inflo as an innovative and impactful tech business, securing a global customer base of high-profile accounting firms and networks.

We are passionate about the accounting profession we serve and focus on driving long-term success, both in our business and those we work with. This has resulted in Inflo’s SaaS platform winning multiple awards, including International Accounting Bulletin’s Accountancy Software of the Year twice, the Queens Award for Innovation and the Boomer Technology & Innovation Visionary award.

THE CULTURE

Inflo was established by former auditors who were motivated to transform their field and liberate auditors from monotonous, repetitive tasks. Who, after all, is eager to manually input invoice details into Excel?

Our team, a collective of enthusiastic, diverse individuals, operates out of three global locations: the US, the UK, and Australia. Each day, our team significantly contributes to both our business and the evolution of the audit industry.

We maintain an optimal balance, embracing the agility and collaborative spirit of a start-up, unencumbered by rigid corporate structures, yet with the stability, resources, and professionalism of an established, international company.

Our core values are the essence of our operations:

• Science – We experiment and make decisions based on data over intuition
• Ownership – We empower our people and embrace accountability
• Openness – We share, challenge and embrace feedback, learning from our successes and failures
• Agility – We have a bias for action and iteratively solve problems.

The offer
As an Inflo employee, you’ll enjoy the following benefits:

• 7% Employer pension contributions providing you are a member of the scheme.
• 25 days holiday + UK bank holidays, with anadditional0.5 days for every year of service.
• 4x Salary life assurance.
• Private medical insurance with Bupa.
• Medical cash back scheme (for optical, dental etc)
• Flexible working environment – work whenever and wherever that suits you. At Inflo we measure results, not the amount of time you spend behind your laptop.
• Employee Referral scheme bonus of £1,000
• Financial support to enhance your home working environment.
• Opportunity to work from home as a fully remote role within the UK.
• Opportunity to meet Quarterly in Newcastle with an evening social.
• Invitation to our Annual Global Gathering.
• Continued professional development.