Staff Software Engineer - Financial Infrastructure

0026 Checkout Technology Ltd; Greater London; On-site; GBP 70,000 - 100,000; Full time

Job summary

0026 Checkout Technology Ltd in Greater London is seeking a Staff Engineer for our Financial Infrastructure team. This pivotal role involves providing technical leadership in designing and building our cloud-based finance platform, automating complex financial processes, and collaborating with product and engineering leaders.

The ideal candidate will have extensive experience in distributed systems, excellent communication skills, and a passion for technology. Opportunities for mentorship and continuous improvement are key aspects of this role.

Qualifications

• Extensive hands-on experience in cloud-based distributed systems.
• Strong ability to coach and improve engineering standards.
• Excellent collaboration skills to work in multidisciplinary teams.

Responsibilities

• Drive technical direction for the Financial Infrastructure team.
• Mentor engineering teams for solving complex challenges.
• Design and improve financial data-processing platforms.

Skills

Building and operating complex cloud-based distributed systems

Coaching and mentoring engineering teams

Excellent communication skills

Tools

Kafka

Flink

AWS

Job description

Job Description

As a Staff Engineer in our Financial Infrastructure team, you will provide expert technical leadership in designing and building our cloud‑based finance platform. This pivotal role will define the standards for our distributed architecture and collaborate with product and engineering leaders to shape our technical and product roadmap. You will be central to automating Checkout.com’s complex financial processes, tackling challenges of data integrity, granularity, and scalability to support our rapid global growth.

What You’ll Be Doing

• Drive the long‑term technical direction and strategy for the Financial Infrastructure pillar, looking beyond immediate requirements to ensure solutions are built for scale.
• Act as a coach and mentor to our engineering teams, providing the technical leadership needed to solve complex distributed systems challenges.
• Proactively identify opportunities and take initiative to elevate engineering standards within the pillar, fostering a culture of continuous improvement.
• Design, build, and evolve our core financial data‑processing platforms, ensuring robustness and accuracy.
• Collaborate closely with Product Managers, finance stakeholders, and other engineering teams to translate complex business needs into elegant technical solutions.
• Lead technical discussions and decisions, ensuring the right architectural choices for the future.
• Serve as a role model for engineering excellence, championing best practices in code, architecture, and operational readiness.

What We Look For

• Extensive, hands‑on experience in building and operating complex, cloud‑based distributed systems.
• Initiative and accountability to customers and colleagues.
• A proven ability to raise the bar for engineering standards through effective coaching, mentorship, and a relentless drive for improvement.
• Excellent communication and collaboration skills, with the ability to articulate complex technical concepts to multidisciplinary teams and influence positive outcomes.
• A detail‑oriented and data‑driven approach to building solutions where accuracy and thoroughness are critical.
• A true passion for technology and a drive to solve problems at scale, keeping the customer at the forefront of every decision.

Nice to Haves

• Proven experience architecting and building large‑scale, high‑throughput financial data pipelines.
• Deep expertise with modern data‑streaming and processing technologies like Kafka, Flink, Iceberg, and AWS.
• Deep knowledge of data security principles and best practices in a regulated financial environment.
• Prior experience working on financial systems and a solid foundational understanding of finance and treasury concepts.