SINGU

Senior Fullstack Developer (PHP+React)

18k - 22k PLN18 000 - 22 000 PLN/ rok./ rok.UoPUmowa o pracę (brutto)

SeniorZdalnie·WarszawaFull-time·Umowa o pracę

#449488·Dodano 22 dni temu·33

Źródło: SINGU

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Tech Stack / Keywords

PHP PostgreSQL REST API React Docker AWSPhalconSAMLOIDCCI/CD

Firma i stanowisko

At SINGU, the company is focused on redefining operations for leading real estate companies across Europe. Their unified CAFM platform manages over 250 million m² of real estate worldwide, supporting more than 500,000 professionals and managing 100,000+ buildings across 35+ countries. The Technical Account Management team delivers customizations, dedicated functionality, and system integrations for large enterprise clients, focusing on data imports/exports and integrations with external systems like ERP, HR, finance, and SSO. Security, data correctness, and database performance are critical in their multi-tenant product environment.

Wymagania

5+ years of commercial PHP backend development (version 7.4+/8)
Expert knowledge of PostgreSQL including query optimization, indexing, execution plans, and 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) including idempotency, validation, error handling, and reprocessing
Working knowledge of React allowing delivery of features end-to-end
Strong focus on security including secure coding, access control, and data protection
Experience ensuring performance of high-volume operations
Full ownership of delivered solutions from technical design to production and support
Experience mentoring other developers and performing code reviews
Active usage of AI tools (Claude, Cursor, Copilot, ChatGPT) in daily work
Communicative English (B2+) for technical specifications and calls
Fluent Polish for internal team communication

Nice to have:

Experience with Phalcon framework
Advanced PostgreSQL tuning: partitioning, vacuum, planner, and production performance troubleshooting
Experience with ERP/enterprise integrations (e.g., SAP, Dynamics, PeopleSoft), and SSO protocols (SAML/OIDC)
Knowledge of Docker, AWS, and CI/CD pipelines
Background in customization-heavy or multi-tenant B2B SaaS products
Improving test automation and local development environments

Obowiązki

Design and implement integrations and custom functionality for enterprise clients
Build secure, high-performance backend services in PHP, and extend React frontends when necessary
Design and optimize data import/export processes with a focus on security, data integrity, and performance
Identify and remove performance bottlenecks in application and database layers
Participate in technical breakdown and estimation prior to development; co-own API contracts
Review code and mentor mid-level developers; act as a go-to person for backend and database topics
Collaborate with the Tech Lead, QA, and other teams (Platform, Core)

Benefity

Hybrid work mode (Cracow or Warsaw)
Competitive annual base salary between PLN 18,000 and PLN 22,000
Use of AI-assisted development tools (Claude, Cursor, Copilot)
Mentoring and career growth opportunities within a fast-growing company
Collaboration with global enterprise clients and cross-functional teams

Elastyczne godziny

Dofinansowanie szkoleń

Spotkania integracyjne

SINGU

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