Golang Developer

Principal Software Engineer (Go / AdTech) Location: West Midlands (Hybrid)

Salary: Competitive Bonus Equity Options

Type: Full-time, Permanent

Build the Future of eCommerce GrowthWe’re partnering with a rapidly scaling SaaS technology company transforming how eCommerce brands acquire, engage and retain customers. Following significant growth and investment, we’re looking for a Principal Software Engineer to help shape the next generation of our advertising and marketing technology platform

.This is a strategic technical leadership role where you’ll influence architecture, mentor engineering teams, and drive the development of high-scale systems processing significant advertising and customer data volumes across multiple digital channels

. If you’ve built AdTech platforms, worked with advertising APIs, and enjoy solving complex distributed systems challenges, we’d love to speak with yo

u.The RoleAs a Principal Engineer, you’ll provide technical leadership across multiple engineering teams while remaining hands-on with architecture and critical development initiative

s. You’ll play a key role in evolving a platform that integrates deeply with major advertising ecosystems, helping merchants optimise campaign performance and maximise customer acquisition R

OI.

Key Responsibili

• tiesLead the architecture and design of highly scalable cloud-native syst
• ems.Drive technical strategy and engineering best practices across the organisat
• ion.Build and optimise backend services using
• Go.Design and develop integrations with major advertising platforms and A
• PIs.Collaborate with Product, Data, and Commercial teams to deliver innovative AdTech capabilit
• ies.Mentor senior engineers and contribute to engineering leaders
• hip.Champion performance, reliability, security, and observability across the platf
• orm.Influence technology decisions and long-term platform evolut

ion.

What We’re Lookin

• ienceSignificant experience in a Principal, Staff, Lead, or Senior Software Engineering
• role.Strong commercial experience with Go (Gol
• ang).Experience building and scaling distributed SaaS platf
• orms.Strong cloud experience, ideally with Google Cloud Platform (
• GCP).Experience working within AdTech, MarTech, Performance Marketing, or Digital Advertising environm
• ents.Hands-on experience integrating with advertising platforms and

APIs. Advertising Platform Expe

rienceWe’re particularly interested in candidates with experien

• ce of:Google Ads (highly desi
• rable)Microsoft Advertising / Bing Ads (highly desi
• m Ads)TikT
• ok AdsOther paid media and programmatic advertising pla

tforms Additional

• SkillsExperience with React and modern frontend devel
• opment.Event-driven and microservices archite
• ctures.Data-intensive systems and analytics pla
• tforms.CI/CD, Infrastructure as Code, and modern engineering pra
• ctices.Strong stakeholder management and technical communication

skills. Nice

• to HaveExperience within eCommerce technology pl
• atforms.Exposure to customer acquisition, attribution, campaign optimisation, or marketing analytics p
• roducts.Experience operating at hyper-growt
• h scale.Previous involvement in platform modernisation or large-scale technical transformation init

iatives.

• Why Join?Join a genuine high-growth SaaS succe
• ss story.Work on technically challenging products at significativa
• nt scale.Influence business-critical architecture and technology d
• ecisions.Collaborative, engineering-led
• culture.Competitive salary, bonus, and equity opp
• ortunity.Flexible hybrid working in the West

• ienceSignificant experience in a Principal, Staff, Lead, or Senior Software Engineering
• role.Strong commercial experience with Go (Gol
• ang).Experience building and scaling distributed SaaS platf
• orms.Strong cloud experience, ideally with Google Cloud Platform (
• GCP).Experience working within AdTech, MarTech, Performance Marketing, or Digital Advertising environm
• ents.Hands-on experience integrating with advertising platforms and

APIs. Advertising Platform Expe

rienceWe’re particularly interested in candidates with experien

• ce of:Google Ads (highly desi
• rable)Microsoft Advertising / Bing Ads (highly desi
• m Ads)TikT
• ok AdsOther paid media and programmatic advertising pla

tforms Additional

• SkillsExperience with React and modern frontend devel
• opment.Event-driven and microservices archite
• ctures.Data-intensive systems and analytics pla
• tforms.CI/CD, Infrastructure as Code, and modern engineering pra
• ctices.Strong stakeholder management and technical communication

skills. Nice

• to HaveExperience within eCommerce technology pl
• atforms.Exposure to customer acquisition, attribution, campaign optimisation, or marketing analytics p
• roducts.Experience operating at hyper-growt
• h scale.Previous involvement in platform modernisation or large-scale technical transformation init

• Why Join?Join a genuine high-growth SaaS succe
• ss story.Work on technically challenging products at significativa
• nt scale.Influence business-critical architecture and technology d
• ecisions.Collaborative, engineering-led
• culture.Competitive salary, bonus, and equity opp
• ortunity.Flexible hybrid working in the West