Platform Engineer

Global Processing Services; Greater London; Hybrid; GBP 100,000 - 125,000; Full time

Job summary

A next-gen payments partner is seeking a Platform Engineer to build secure and scalable infrastructure. The role involves leading the design and architecture of the platform, optimizing AWS environments, and implementing Infrastructure as Code practices. Ideal candidates will have experience with AWS serverless architecture and a proficiency in programming languages like Go or Python. This position requires great communication skills and two days a week in the London office.

Qualifications

• Demonstrable experience working in a Platform/DevOps/SRE role.
• Experience leveraging IaC tooling, ideally Terraform.
• Excellent communication and collaboration skills.

Responsibilities

• Own the architecture, design, and evolution of the platform.
• Lead the governance of Infrastructure as Code (IaC).
• Architect and optimise AWS environments.

Skills

AWS serverless architecture

Infrastructure as Code (IaC)

CI/CD concepts

Programming languages (Go, Python)

Incident management

Tools

Terraform

ECS

Bitbucket pipelines

Job description

Are you a Platform Engineer looking to build secure, scalable, and well-observed infrastructure?
Thredd is expanding its Platform function and we’re constantly innovating to keep pace with the fast-moving fintech world. Join us as we build the next generation of infrastructure to support our growing client base

What You'll Do As A Platform Engineer

• Own the architecture, design, and evolution of the platform, ensuring scalability, reliability, and security.
• Lead the adoption and governance of Infrastructure as Code (IaC), including module design and best practices.
• Architect and optimise AWS environments across EC2, ECS/EKS, Lambda, S3, RDS, DynamoDB, VPC, and networking components.
• Design and oversee CI/CD strategy, supporting the SRE’s on pipeline design, test automation, and deployment patterns.
• Drive automation initiatives to eliminate manual processes, improve consistency, and accelerate delivery.
• Lead AWS cost optimisation strategies, analysing workloads, rightsizing compute, and establishing cost governance.
• Build platform roadmaps and deliver reusable tooling, enabling engineering teams with self-service workflows and improved DevEx.
• Provide technical leadership and mentorship, guiding engineers in cloud best practices, modern architectures, and operational excellence.
• Collaborate with cross-functional stakeholders (Engineering, Security, Product) to align platform capabilities with organisational goals
• Run our infrastructure with Terraform and configuration management.
• Design, build and maintain AWS platform infrastructure that facilitates scaling in support of global payments and issuance.
• Provide hands‑on, prototypes, and implementations incorporating cloud engineering best practices. Develop technical content like white paper etc.
• Define and implement deployment strategies which minimize or eliminate downtime.
• Aid in root cause resolution of incidents.
• Develop ways of providing early feedback on build, test, and deployment stages to developers and QA engineers.

What You'll Bring To The Platform Engineer Role

• Demonstrable experience working in a Platform/DevOps/SRE role.
• Demonstrable experience leveraging IaC tooling within cloud platforms, ideally Terraform.
• A deep understanding of AWS serverless architecture.
• Experience in multi‑tier traditional application architectures and in service decomposition and micro services.
• Demonstrable experience deploying, running, and observing serverless workloads in ECS.
• Detailed understanding of CI/CD concepts and tooling (Bitbucket pipelines).
• Demonstrable proficiency in a programming language commonly leveraged for infrastructure and service automation e.g. Go, Python.
• A desire to solve issues through root cause analysis and implement appropriate changes to mitigate repeat occurrence.
• Excellent communication and collaboration skills.

It would be ideal if you also had

• Experience undertaking incident management, ensuring stakeholder engagement and a consistent feedback loop.
• Exposure too/awareness of payments or financial services.

Where you’ll work

Our working model varies depend ing on the specific role and team requirements. We strive to provide flexibility whilst ensuring that each position is best supported for optimal collaboration and performance.

This position requires you to be in the London office (Holborn) two days per week.

About us

Thredd is the trusted next‑gen payments partner for innovators looking to modernise their payments offering. Certified by Mastercard, Visa and Diners & Discover, we process billions of debit, prepaid, and credit transactions annually, supporting consumer and corporate fintechs, digital banks, and embedded finance providers across the globe. Our unique offering is our client‑centric approach, combining hands‑on support with modern, reliable, and scalable technology.

Thredd is privately held by a consortium of strategic growth firms such as Advent International, MissionOG, Temasek, Viking, Visa and Mastercard. Our investors are fully committed to our future which enables us to work with our clients to create a clear vision and give our employees the stability needed with their career.

Our assured solution accelerates the development and delivery of consumer and corporate payments components embedded within digital banks, as well as for expense management, B2B payments, crypto, lending, credit, Buy Now Pay Later, FX, remittance, and open banking innovators.

Since 2007, Thredd has enabled market leaders through our highly reliable, secure, and scalable platform and supported many of our client's growth journeys - from early‑stage startup through to globally recognised unicorns, including Monzo, Revolut, and Starling.

Diversity and Inclusion at Thredd

Here at Thredd, we are committed to building a diverse and inclusive workplace where everyone feels valued, respected and empowered. We welcome applications from people of all backgrounds, experiences and identities. If you require any adjustments during the recruitment process, please let us know and we would be happy to support you.

Our Values

Our values-driven culture is what unites our teams globally and our teams is what drives our success;

Here are what the values mean for you in this Platform Engineer position;

• Own it and deliver – Taking responsibility for your own performance and being successful in your own role
• Collaborate purposefully – Building trusted relationships with colleagues, supporting activities and being successful together
• Think differently – Asking questions to check understanding and sharing your ideas to support continuous improvement
• Act courageously – Stepping out of your comfort zone and embracing change to help you learn and grow

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