Senior Fullstack Developer (PHP+React)
About SINGU
AtSINGU, we’re redefining how the world’s most ambitious real estate companies run their operations. Our mission is to become Europe’s leading platformfor managing warehouse, logistics, retail, and multi-site commercial real estate portfolios — empowering our Clients to protect revenue, boost efficiency, and unlock new value across every aspect of their business.
Our unified CAFM platformalready powers the daily operations ofover 250 million m² of real estate worldwide, supporting more than500,000 professionals. Following our union with the UK’sMicadand Germany’snet-haus, we now help manage100,000+ buildingsacross35+ countries— and we’re just getting started.
Backed by a leading growth equity investor, we’re scaling rapidly and partnering with global leaders such asPrologis, ECE, CTP, Hillwood, Logicor, GLP, and Unibail-Rodamco-Westfield. As we continue to grow through strategic acquisitions and bold innovation, we stay true to our core values:adaptability, collaboration, and client focus.
If you’re ready to help build Europe’s leading platform for property operations — and make a tangible impact on how the real estate industry works —join SINGU and be part of this transformation.
About SINGU
SINGU is one of the fastest-growing PropTech companies in Europe. Our platform manages over200 million sqmof commercial real estate for500+ clients in 35 countries, helping property managers digitalize and automate their operations.
About the Team:
TheTAM (Technical Account Management) teamdeliverscustomizations, dedicated functionality and system integrationsfor our largest enterprise clients - international leaders such as Prologis, P3, CTP and AmRest.
A significant part of the work isdata imports/exports and integrations with external systems(ERP, HR, finance, SSO), wheresecurity, data correctness and database performanceare critical. Customizations must fit into a shared, multi-tenant product - so design quality matters as much as delivery speed.
Tech Stack
Backend: PHP 8 (Phalcon), REST APIs, Redis, background job queues Database: PostgreSQLFrontend: React (TypeScript) Tooling: Git (Git Flow), Docker, CI/CD, PHPUnit, PHPStanAI-assisted development: Claude / Cursor / Copilot are part of our daily workflow What You’ll Bring
Must-have:
5+ years of commercial PHPbackend development (7.4+/8) Expert PostgreSQL- query optimization, indexing, execution plans, migrations on large datasets Proven experience designing and maintainingREST APIsHands-on experience withdata import pipelinesandexternal system integrations(files, APIs, queues) - idempotency, validation, error handling, reprocessing Working React knowledge- you can deliver a feature end-to-end when needed, not only read the code Strong focus onsecurity(secure coding, access control, data protection) andperformanceof high-volume operations Full ownershipof delivered solutions - from technical design to production and support Experiencementoringother developers and doing meaningful code reviews You actively useAI tools(Claude, Cursor, Copilot, ChatGPT) in your daily work Communicative English (B2+)- technical specs, tickets, documentation; occasional calls with client technical teams Fluent Polish- the team works in Polish internally
Nice to Have:
Phalcon framework PostgreSQL tuning (partitioning, vacuum, planner) and performance troubleshooting in productionERP / enterprise integrations (SAP, Dynamics, PeopleSoft), SSO (SAML / OIDC) Docker, AWS, CI/CDCustomization-heavy or multi-tenant B2B SaaS background Improving test automation and local development environments
What You’ll Do:
Design and implementintegrations and custom functionalityfor enterprise clients Buildsecure, high-performance backend servicesin PHP, and extend React frontends when the feature needs itDesign and optimizedata import/export processeswith focus on security, data integrity and performance Find and remove performance bottlenecks in application and database layers Take part intechnical breakdown and estimationbefore development starts; co-own API contracts Review code andmentor mid-level developers; be a go-to person for backend and database topics Collaborate with the Tech Lead, QA, and other SINGU teams (Platform, Core) Why This Role
Real integrations with enterprise systems - not toy projects Direct impact on systems used daily by some of the largest companies in EuropeSenior influence: your technical opinion shapes how the team builds A team that values clean code, security and performance If this role sounds like a good fit, we’d love to hear from you. Apply and help us build technology that supports critical operations every day.