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Senior Software Engineer (Go) – Foundation API

extra holidays - extra parental leave - work from home - fully flexible

Remote:

Full Remote

Experience:

Senior (5-10 years)

Work from:

United Kingdom, European Union

Offer summary

Qualifications:

Deep understanding of distributed systems, Experience with Go and cloud technologies, Familiarity with K8s and automation tools, Appreciation for clean code practices.

Key responsabilities:

Design and develop Go-based microservices
Manage operational data with cloud services
Integrate efficient inter-service communication
Maintain high availability in multi-cloud environments

FORM3 Financial Services Scaleup https://form3.tech

501 - 1000 Employees

See more FORM3 offers

Job description

THE ROLE 📝

As a Senior Go Engineer on the Foundation APIs Team, you’ll work alongside your peers to develop, optimise, and maintain services essential to our payment platform. You’ll encounter challenges in distributed systems, large-scale data ingestion, and secure transaction communication, all within a supportive, collaborative environment.

This role is suited to engineers who enjoy solving complex problems as a team and are committed to maintaining high standards of reliability and performance.

Responsibilities

Design, develop, and optimise high-performance Go-based microservices that support payment processing by providing crucial operational data.
Work with CockroachDB, RDS, S3, and GCP Cloud Storage to manage and store operational data, ensuring seamless data ingestion and query performance.
Integrate with NATS for efficient inter-service communication, optimising asynchronous message handling and transactional notifications.
Continuously refine services for cost-efficiency, balancing performance and reliability to meet strict availability and performance SLOs.
Maintain high availability standards in a Kubernetes multi-cloud environment, operating across AWS, Azure, and GCP.

WE’RE LOOKING FOR 🔍

Essential

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, especially pair programming.

Desirable

Exposure to Kubernetes and/or CockroachDB would be great!

TECH STACK ⚙️

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

Infrastructure: AWS, GCP, Azure, Kubernetes (EKS,GKE,AKS)

Platform: CockroachDB, Elasticsearch, PostgresDB, Vault, NATS Jetstream

Tools: Flux, Terraform, GitHub, Prometheus, Pact.io, Tilt

Code: Go (and a little Java), containerised microservices, open-source

Ways of working: TDD/BDD, Pair Programming, 100% remote, SecDevOps, GitOps

THE TEAM 👥

The Foundation APIs Team provides essential services that support payment processing by delivering reliable access to operational data and ensuring seamless transaction support.

Our APIs handle large-scale account management, secure customer notifications, message processing, and reporting. With an active-active, multi-cloud architecture, we deliver high performance and scalability to ensure that critical payment operations run smoothly.

Our team culture is highly collaborative, emphasising “pair programming” and shared problem-solving, making this an ideal environment for engineers who thrive on teamwork.

INTERVIEW PROCESS ✍️

Stage 1: Screening Call with Talent Team

Stage 2: Take home test

Stage 3: Team interview

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 find the best fit for the role!

HIRING LOCATIONS 📍

We are able to accept applications from the following countries; Germany, Portugal, Spain & UK

ABOUT FORM3 💭

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

What we do | Life at Form3 | Benefits | Flexa-verified employer | Podcasts

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.