Senior Fullstack Developer (PHP+React)
Confirmed on the employer's own hiring board on Oct 2, 2026. First seen by Alion on Oct 1, 2026.
About SINGU
At SINGU, we’re redefining how the world’s most ambitious real estate companies run their operations. Our mission is to become Europe’s leading platform for 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 platform already powers the daily operations of over 250 million m² of real estate worldwide, supporting more than 500,000 professionals. Following our union with the UK’s Micad and Germany’s net-haus, we now help manage 100,000+ buildings across 35+ 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 over 200 million sqm of commercial real estate for 500+ clients in 35 countries, helping property managers digitalize and automate their operations.
About the Team
The TAM (Technical Account Management) team delivers customizations, dedicated functionality and system integrations for our largest enterprise clients - international leaders such as Prologis, P3, CTP and AmRest.
A significant part of the work is data imports/exports and integrations with external systems (ERP, HR, finance, SSO), where security, data correctness and database performance are 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: PostgreSQL
Frontend: React (TypeScript)
Tooling: Git (Git Flow), Docker, CI/CD, PHPUnit, PHPStan
AI-assisted development: Claude / Cursor / Copilot are part of our daily workflow
What You’ll Bring
Must-have
5+ years of commercial PHP backend development (7.4+/8)
Expert PostgreSQL - query optimization, indexing, execution plans, migrations on large datasets
Proven experience designing and maintaining REST APIs
Hands-on experience with data import pipelines and external 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 on security (secure coding, access control, data protection) and performance of high-volume operations
Full ownership of delivered solutions - from technical design to production and support
Experience mentoring other developers and doing meaningful code reviews
You actively use AI 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 production
ERP / enterprise integrations (SAP, Dynamics, PeopleSoft), SSO (SAML / OIDC)
Docker, AWS, CI/CD
Customization-heavy or multi-tenant B2B SaaS background
Improving test automation and local development environments
What You’ll Do
Design and implement integrations and custom functionality for enterprise clients
Build secure, high-performance backend services in PHP, and extend React frontends when the feature needs it
Design and optimize data import/export processes with focus on security, data integrity and performance
Find and remove performance bottlenecks in application and database layers
Take part in technical breakdown and estimation before development starts; co-own API contracts
Review code and mentor 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 Europe
Senior 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.