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Form3 (via Otta)

Senior Software Engineer (Go) - AI Resilience & Security Enhancements (Contract)

London
Posted 12 days ago
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THE PROJECT 📝

As a Senior Software Engineer, you will be engaged to deliver key initiatives that strengthen the security and resilience of Form3's cloud-native payments platform. Working within a collaborative engineering environment, you will design, build, and implement capabilities that enhance the security, trust, and resilience of our systems while supporting the delivery of defined project outcomes.

This engagement is centred on hands-on software engineering and security-focused platform development. You'll apply your expertise across areas such as API security, cryptographic controls, AI governance, software supply chain security, and automated security tooling to deliver production-ready solutions. Working alongside engineers, platform specialists, and security experts, you'll focus on delivering scalable, maintainable capabilities that can be embedded into the software development lifecycle and provide lasting value beyond the engagement.

WE’RE LOOKING FOR 🔍

  • Deep understanding of designing and building distributed systems
  • Enjoys working on complex challenges within critical software where high performance and robustness are essential
  • Familiarity with cloud and containerisation technologies, test automation tools and CI/CD pipelines
  • Interest in owning projects end-to-end and supporting them as they go live in production
  • Appreciation of clean code and software engineering best-practice
  • Experience with Go, along with a “right tool for the job” mentality
  • Great communication skills who enjoy sharing knowledge and collaborating with others

Reasons to use Rodeo

I’m in my final year doing Economics and I don’t know whether to apply for grad schemes now or do a masters first. What do you think?

Honest answer — it depends on where you want to end up. A lot of top grad schemes (Big 4, civil service, banking) don’t need a masters. Let’s look at the ones you’d be competitive for now, and we can decide if a masters actually adds anything.

Also worth knowing: most autumn 2026 applications are open now. Timing matters more than you think.

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Grad scheme, placement, apprenticeship? Not sure what you want yet — that's fine. Your agent talks it through with you and turns "I have no idea" into a shortlist.

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Graduate Consultant — 2026 Scheme

PwC·London, UK
ÂŁ35,000/yr

Why you're a good match

Strong

Your economics background and your summer at a regional bank line up with what PwC looks for on the consulting scheme. Applications close in four weeks.

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It searches the market for you

Every day your agent scans the market matching roles against what actually matters to you, not just keywords on a CV.

Why you're a good match

You’ve got the grades and the economics background, and your bank internship is exactly the experience this scheme looks for. Apply soon — deadlines close within the month.

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Strong

Experience fit

Your summer at the bank plus your econometrics coursework map directly to the day-one responsibilities on this scheme — client modelling, market briefings, and deal support.

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Only hits

No noise. No "maybe this fits." Just roles with a clear explanation of why they're right — and where to focus when applying.

TECH STACK ⚙️

Here are a few of the tools and methodologies we utilise:

  • Infrastructure: AWS, GCP, Azure, Kubernetes
  • Platform: CockroachDB, NATS JetStream, Elasticsearch, Vault, Cilium
  • Tools: Terraform, Flux, GitHub, Prometheus, Pact.io, Tilt
  • Code: Go (and a little Java), containerised microservices, CQRS, open source
  • Ways of working: TDD/BDD, Pair Programming, 100% remote, SecDevOps

INTERVIEW PROCESS ✍️

  • Stage 1: Screening Call with Talent Team
  • Stage 2: Take home test
  • Stage 3: Code Review
  • Stage 4: Technical interview

We always aim to stick to the above process, however there may be occasions when an additional interview stage is needed for us to be sure we’re hiring the right person!

LOCATIONS📍

Here are the locations that we are looking to engage with contractors from. Please note, we are not looking to engage with contractors outside of these locations.

  • Austria
  • Bulgaria
  • Croatia
  • Cyprus
  • Estonia
  • Greece
  • Hungary
  • Italy
  • Latvia
  • Lithuania
  • Malta
  • Romania
  • Slovakia
  • Slovenia

All contractors start their first day in our office to collect the equipment needed to work remotely.

ABOUT FORM3 đź’­

Revolutionising the world of payments with our cutting-edge technology and innovative solutions. For more information about Form3, check out the following pages:

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  • What we do
  • Life at Form3
  • Payments Cannot Fail Series
  • .Tech Podcast

OUR DEI&B COMMITMENT

We hire talented people from a variety of backgrounds and experiences and are committed to a work environment based on diversity, open-mindedness and curiosity. We’re united by our company values (we even created them together!) and we celebrate our unique differences.

Our employee lifecycle processes are designed to embrace equal opportunity and prevent discrimination against our people regardless of personal characteristics. It is our strong belief that the more inclusive and belonging we are as a business, the better our work will be.

As an inclusive employer, we guarantee to interview all neurodiverse and physically disabled applicants who meet the minimum criteria for this role. We also encourage candidates to notify us of any reasonable adjustments that may be required during the recruitment process. This includes providing job adverts in alternative, accessible formats or adjustments required at interview stage.

If you consider yourself to be neurodiverse or physically disabled under the UN definition of disability and would like to be considered under this scheme and/or require any reasonable adjustments please let us know by sending an email to careers@form3.tech clearly stating your consent for us to process this data. For more information please refer to our Recruitment Data Policy.

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Skills

Go
Distributed systems
Cloud computing
Kubernetes
API security
Cryptographic controls
AI governance
Software supply chain security
CI/CD
Terraform
AWS
GCP
Azure
TDD
BDD
SecDevOps

Location

London, England, United Kingdom

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