php developer Banking Services

Deloitte supports leading global organizations in optimizing and transforming their organizations, including finance functions. Its consultants provide insights, capabilities, and solutions that change how organizations operate and make people-related decisions. Deloitte’s Poland team advises clients on reporting, budgeting, controlling, and process optimization while applying the latest technologies.

• Develop and maintain backend services based on AWS Lambda, TypeScript, and Node.js;
• Create REST APIs and Backend-for-Frontend solutions;
• Integrate internal and dependent systems;
• Work with OpenAPI, Swagger, API contracts, and JSON;
• Implement business logic, validation, and error handling;
• Create unit and integration tests;
• Participate in code reviews and technical discussions;
• Support CI/CD processes and deployments;
• Collaborate with Solution Architects, Frontend Developers, QA, and Business Analysts.

• At least 3 years of commercial backend development experience;
• Very good knowledge of TypeScript, JavaScript, and Node.js;
• Practical experience with AWS Lambda;
• Experience with REST API, AWS API Gateway, and integrations;
• Knowledge of OpenAPI, Swagger, Git, and CI/CD;
• Knowledge of test automation and serverless architecture;
• Ability to work independently and take responsibility for delivered code quality;
• Very good command of Polish;
• English at least B2;
• Availability during 10:00–18:00 CET/CEST;
• Nice to have: Angular, OAuth 2.0/OIDC, AWS enterprise projects, banking or financial sector experience.

• Umowa B2B;
• Availability during 10:00–18:00 CET/CEST;
• Project hours: 10:00–18:00;
• Work in an international environment where English is used daily;
• Real impact on the development of innovative solutions and business processes;
• Opportunities to develop skills and gain practical experience with the latest Frontend and AI technologies;
• Collaboration with an experienced team of Frontend and Fullstack Developers;
• Opportunities to work on international projects.