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
tformsAdditional
- 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
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