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

Form3 (via Otta); United States; Remote; USD 140,000 - 210,000; Full time

Benefits offered by this job

100% remote

Job summary

Form3 is seeking a Senior Software Engineer to strengthen security and resilience of its cloud-native payments platform. You will design, build, and implement capabilities that enhance security, trust, and resilience across the software delivery lifecycle.

The role focuses on hands-on software engineering and security-centric platform development, including API security, cryptographic controls, AI governance, and automated tooling. This is a 100% remote engagement.

Qualifications

• Design and build distributed systems with a focus on performance and robustness.
• Hands-on security-focused platform development across API security, cryptographic controls and software supply chain security.
• Experience with cloud-native environments and containerised microservices.

Responsibilities

• Deliver scalable, maintainable security capabilities embedded in the SDLC.
• Collaborate with engineers, platform specialists and security experts to production‑grade solutions.
• Own end-to-end project ownership and support deployments in production.

Skills

Go

Distributed systems

Cloud & containerisation

CI/CD pipelines

Security tooling

Tools

Terraform

GitHub

Prometheus

Elasticsearch

Vault

Job description

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 LOOKINGFOR

• 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

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 anadditionalinterview stage is needed for us to be surewe’rehiring 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

Revolutionising the world of payments with ourcutting-edgetechnology and innovative solutions. For more information about Form3, check out the following pages:

What we do|Life at Form3|Payments CannotFailSeries|.TechPodcast

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 [e-mail] clearly stating your consent for us to process this data. For more information please refer to our Recruitment Data Policy.