What FinTech Firms Are Asking Their Infrastructure Leaders in 2025

From uptime to strategic input, the support role has become a business-critical leadership function.

While product teams grab headlines and AI steals the limelight, Infrastructure Support remains the engine behind every high-performing FinTech firm. If you’re a senior SRE, platform engineer, or infrastructure leader, 2025 presents a rare opportunity: scale with the companies that need your resilience mindset, cross-functional impact, and technical authority.

FinTech firms across London, New York and Belfast are aggressively scaling. But their infrastructure? Often playing catch-up. That’s where you step in.

The Strategic Role of Infrastructure Support in Modern FinTech

Infrastructure Support is no longer about reactive troubleshooting. Today’s high-growth FinTechs need professionals who can:

• Architect for scale and resilience
• Lead incident response strategies
• Automate environments with infrastructure-as-code
• Champion observability and SRE culture
• Ensure compliance through operational excellence

Your influence goes far beyond uptime. You reduce revenue risk, enhance customer experience, and support secure scaling, the hallmarks of modern FinTech competitiveness.

In-Demand Infrastructure Support Roles for 2025

We’re seeing increased demand across the following leadership and senior technical roles:

• Senior Infrastructure Support Engineer
• Site Reliability Engineer (SRE)
• DevOps Support Lead
• Infrastructure Architect (Cloud & On-Prem Hybrid)
• Platform Engineering Manager
• Cloud Infrastructure Consultant (Contract)

Each role involves shaping systems that can’t afford to fail. If you bring both deep technical skill and team-wide influence, you’re exactly who these FinTech firms are competing to hire.

Where the Most Valuable Roles Are Emerging

London: Platform Reliability Meets Scale

London’s FinTech ecosystem is mature and infrastructure-heavy. Think: greenfield architecture, AWS-native builds, and rapid B2B expansion. We’re seeing demand for engineers who can balance transformation with operational integrity.

New York: High Stakes, High Scale

Expect real-time platforms, security-first mindsets, and architecture that serves tens of thousands of users. These firms are seeking Infrastructure Support talent with both technical leadership and strong collaboration across engineering and product.

Belfast: Rapid Growth and Long-Term Vision

FinTech firms in Belfast are investing in core systems that scale, and doing it with precision. It’s an ideal market for professionals looking for strategic influence and ownership without excessive hierarchy.

Essential Skills FinTech Hiring Managers Are Looking For in 2025

Top FinTech employers are hiring with precision. Here’s what separates top-tier candidates from the pack:

• Core Technical Skills
• Deep cloud infrastructure experience (AWS, Azure, GCP)
• Infrastructure as Code: Terraform, Ansible, Pulumi
• CI/CD & version control integration (GitOps, Jenkins, ArgoCD)
• Monitoring/Observability: Prometheus, Datadog, ELK, Grafana
• Systems hardening and secure configuration
• Python, Bash, or Go for automation
• Strategic and Cross-Functional Capabilities
• Experience managing SLA/SLO frameworks and MTTR improvements
• Collaboration across engineering, compliance, and operations
• Mentoring junior engineers or driving onboarding frameworks
• Vendor selection and systems roadmap planning
• Strong communication with both tech and non-tech stakeholders

What You Can Expect from FinTech Infrastructure Roles in 2025

You’ll be stepping into environments that are:

• Moving from monoliths to microservices
• Upgrading legacy systems with hybrid cloud
• Dealing with real-time trading, payments, or user access
• Balancing performance, compliance, and cost-efficiency

These environments aren’t looking for button-pushers, they’re hiring builders, optimisers, and leaders who view infrastructure as a product in its own right.

Permanent vs. Contract Infrastructure Support Roles: Know Your Value

Why Senior Contractors Are in Demand

• Immediate impact on system stability
• Expertise for migrations or observability upgrades
• Flexible resourcing during funding rounds or compliance reviews
• Why Permanent Roles Offer Long-Term Reward
• Influence over architecture decisions
• Deep product alignment and stakeholder trust
• Opportunities to move into engineering leadership or SRE management

How to Evaluate a FinTech Employer Before You Say Yes

Not every “cutting-edge FinTech” lives up to the name. Here’s how to vet your next opportunity:

Ask about budget: Is there real investment in tooling, automation, and observability — or are they winging it?

Check on incident culture: Are blameless post-mortems the norm, or does the team fear downtime more than they fix it?

Look for career support: Will you be supported with learning, mentoring, or community involvement, or siloed until burnout?

Clarify cross-team collaboration: If infra works in a vacuum, you’ll struggle to influence what really matters.

The right FinTech employers build around their platform teams, not on top of them.

Questions to Ask in Infrastructure Support Interviews (That Show You’re Thinking Like a Leader)

To position yourself as more than just a strong engineer, try these:

1. “How are infrastructure priorities balanced with product deadlines?”
2. “What’s your SRE-to-developer ratio?”
3. “How are incidents tracked, and how is knowledge shared post-resolution?”
4. “What would you want me to improve in my first 90 days?”
5. “What tech debt does the team want to tackle but hasn’t had the time?”

These questions show you’re outcome-focused, collaborative, and aligned with engineering strategy.

Career Progression: Infrastructure Support as a Leadership Pipeline

Your next Infrastructure Support role isn’t the endpoint, it’s the launchpad. Here's where your path can lead:

• SRE Lead or Platform Manager
• Head of Infrastructure or Engineering
• CTO of a scale-up or new FinTech venture
• Infrastructure Consultant across high-growth portfolios
• Cloud Practice Lead in enterprise expansion teams

FinTech firms are recognising the value of people who deeply understand performance, resilience, and operational complexity, and are moving them into top leadership roles accordingly.

Why Infrastructure Support Is Now a Financial Services Boardroom Conversation

Once viewed as a behind-the-scenes function, Infrastructure Support is now a topic that reaches the boardroom in high-growth FinTech firms. As financial services become increasingly digital and always-on, platform reliability is no longer just an operational metric, it’s a business risk, a customer experience factor, and a competitive advantage.

This shift means that Infrastructure Support professionals with leadership skills and architectural thinking are gaining visibility at the highest levels. CEOs, CTOs and Heads of Product want to know:

• Can we scale without risking downtime?
• Are our systems resilient under pressure?
• Do we have the infrastructure maturity to support rapid growth?

In many FinTechs, the answer to these questions lies with senior support engineers, SREs, and platform leads, people who can advise on everything from observability stacks to regulatory resilience. If you're someone who brings that mix of deep infrastructure knowledge and big-picture thinking, your skill set is now directly linked to business performance.

We’ve seen a shift in hiring briefs from “get someone who can keep things running” to “we need someone who can help us build platform trust as we scale.” That subtle change in language signals a profound shift in how your role is valued.

• What does this mean for you as a candidate?
• You’ll be expected to contribute to strategic decisions, not just technical ones.
• You'll need to communicate with stakeholders across engineering, compliance, security, and the C-suite.
• You’ll be seen as part of the team that protects revenue, reputation, and growth velocity.

As a result, FinTech hiring managers are seeking candidates who not only know how to optimise infrastructure but who can speak the language of risk mitigation, customer trust, and long-term scalability.

In short: if you’ve ever felt like your work in Infrastructure Support was invisible, this is the era where it’s becoming one of the most visible and valued functions in FinTech.

What Sets Top Infrastructure Support Employees Apart in 2025

At the senior level, success isn’t about your tech stack, it’s about your ability to:

• Translate platform metrics into business impact
• Improve team velocity through tooling and systems thinking
• Influence developers to take reliability seriously
• Drive cultural change, not just technical fixes
• Anticipate scaling bottlenecks before they become urgent
• The best candidates are advisors, collaborators, and system thinkers, not just responders.

Positioning Yourself for High-Impact Opportunities

Want to stand out in a high-calibre market? Focus on what you’ve improved, not just maintained.

Examples to include on your CV and in interviews:

• “Reduced MTTR from 2 hours to 15 minutes through incident automation.”
• “Led cloud migration for a platform handling 500k+ daily users.”
• “Improved CI/CD deployment success rate by 40%.”
• “Integrated SOC2-compliant monitoring stack with zero downtime.”

Show how you’ve aligned infrastructure with business outcomes. That’s what senior hiring managers in FinTech are really buying into.

What to Expect When Working with Harrington Starr

At Harrington Starr, we’ve helped senior Infrastructure Support professionals land their next role and their next leadership step for over a decade.

We work with FinTech firms that don’t just “need someone”, they’re building something. Whether it's a post-Series A startup or a global trading platform, we understand what high-performance environments require.

When you work with us, you’ll benefit from:

• Access to exclusive, high-trust FinTech roles
• Advice on compensation, contracts, and onboarding
• CV and interview support tailored to senior talent
• Long-term relationships, not transactional placement

Infrastructure Support Job Market Outlook: 2025 and Beyond

The direction is clear:

• Systems are growing more complex
• Uptime expectations are intensifying
• Automation and observability are now baseline, not bonus

And that means FinTech firms need senior infrastructure professionals who can lead these transformations, from architecture to implementation.

Ready for Your Next Infrastructure Support Role in FinTech?

Whether you’re actively exploring or quietly considering your next move, now is a strong time to assess your position.

At Harrington Starr, we have senior-level opportunities available in:

• Site Reliability Engineering
• Infrastructure Support Leadership
• DevOps/Cloud Infrastructure
• Platform Resilience Consulting
• Contract-based Infra transformation projects

Get in Touch with Harrington Starr, Financial Tech Staffing Specialists

At Harrington Starr, we specialise in connecting senior Infrastructure Support professionals with the FinTech firms that truly value reliability, scalability and long-term technical vision.

Whether you're looking for a leadership position in Site Reliability Engineering, a new challenge in Platform Infrastructure, or a confidential discussion about your future, we’re here to help. Our team has offices across London, New York and Belfast, partnering with some of the most forward-thinking names in financial technology.

Reach out to the Harrington Starr team today to discover high-impact roles that align with your expertise or to get advice on how to position yourself in a competitive Infrastructure Support job market.

Let’s find the opportunity that moves your career forward on your terms.