Primer·Warsaw, PLWarsaw, Poland·
Software Engineer III, Frontend - Account Experience
Build and own the unified payments infrastructure for global finance teams at Primer.
RemoteOtherSeniorFinTechPlatform
Primer
London, United Kingdom · Founded 2020 · 51-200 staff
FinTechSaaSSoftware
Primer is a unified payment infrastructure platform that enables businesses to control and orchestrate every transaction across their operations. Through its API-driven platform, Primer allows merchants to manage payment flows, reduce friction, and capture more revenue by connecting to multiple payment processors, fraud tools, and financial services through a single integration, giving businesses full ownership of their payment outcomes.
Open roles at a glance
11 live roles6 Software Eng · 3 Eng Mgmt · 1 Platform · 1 Security· 11 remote-friendly
Roles based in: London, Warsaw
Engineering at Primer
Builds in: FinTech · Payments · Platform · Infrastructure · AI/ML
Works with:Distributed systemsPythonAWSBDDKubernetesmonitoringTerraformTypeScript
Seniority: 1 mid · 6 senior · 1 staff · 1 director
Hiring engineering roles here since April 2026
11 open Engineering roles
Curated from live Primer postings. Click any role for the full brief.
Primer·London, GBLondon, the United Kingdom·
Staff Engineer, FE - Account Experience
Drive front-end strategy for Primer's global payments platform, building merchant account experience.
RemoteOtherFinTechPlatform
Primer·Warsaw, PLWarsaw, Poland·
Security Engineer
Build global payment infrastructure security at Primer, a fast-growing fintech company.
RemoteOtherFinTechPayments
Primer·London, GBLondon, the United Kingdom·
Senior DevEx Engineer - Infrastructure
Build Primer's internal developer platform and human-AI development loop for global payments.
RemoteOtherSeniorB2B SaaSPlatform
Primer·London, GBLondon, the United Kingdom·
Director of Engineering
Lead engineering for global payments infrastructure, building the future of finance.
RemoteOtherFinTechPlatform
Primer·Warsaw, PLWarsaw, Poland·
Senior Software Engineer
Build global payments infrastructure for Primer, a unified platform for finance teams.
RemoteOtherSeniorFinTechPayments
Primer·London, GBLondon, the United Kingdom·
Engineering Manager - Account Experience
Manage engineering for Primer's Account Experience platform, empowering global merchants.
RemoteOtherFinTechPlatform
Primer·Warsaw, PLWarsaw, Poland·
Software Engineer III, Backend - Account Exprerience
Power backend infrastructure for AI-native merchant platforms at Primer.
RemoteOtherMidFinTechPayments
Primer·Warsaw, PLWarsaw, Poland·
Software Engineer III, Backend - Orchestration
Build global payment orchestration and smart routing infrastructure at scale for Primer.
RemoteOtherSeniorFinTechPayments
Primer·London, GBLondon, the United Kingdom·
Engineering Manager - Orchestration
Lead a remote engineering team on payments infrastructure at Primer.
RemoteOtherSeniorFinTechPayments
Primer·Warsaw, PLWarsaw, Poland·
Senior Software Engineer, Backend
Build unified payment infrastructure for global merchants at Primer.
RemoteOtherSeniorFinTechPlatform
Archived roles (5)
No longer open on Primer's site. Kept for reference — saved archived roles stay in your dashboard.
Primer·Warsaw, PLWarsaw, Poland·
Software Engineer II, Backend - Orchestration
Build and scale the global payment orchestration engine at Primer.io.
ArchivedRemoteOtherMidFinTechInfrastructure
Primer·London, GBLondon, the United Kingdom·
Engineering Manager - Partners
Scale the developer marketplace and payment integration infrastructure at Primer.
ArchivedRemoteOtherLeadFinTechPayments
Primer·Budapest, HUBudapest, Hungary·
Staff Software Engineer, Backend
Drive distributed payments infrastructure strategy across partner teams at Primer.
ArchivedRemoteOtherFinTechPayments
Primer·Budapest, HUBudapest, Hungary·
Frontend Engineer
Build merchant-facing checkout infrastructure for 10M daily transactions at Primer.
ArchivedRemoteOtherSeniorFinTechPayments
Primer·Warsaw, PLWarsaw, Poland·
Software Engineer, Backend
Build unified payment infrastructure for global merchants at Primer.
ArchivedRemoteOtherFinTechPlatform