Senior Full Stack Engineer

Jobo; United States; On-site; USD 120,000 - 160,000; Full time

Benefits offered by this job

Global projects

Professional development

Private medical care

Sports co-financing

Job summary

Square One Resources is seeking a Senior Full Stack Engineer to join a large-scale technology modernization program within the financial services sector. You will transform enterprise systems through modern application development, cloud transformation, and advanced software architectures.

You will design, develop, and maintain enterprise applications across backend and frontend, build scalable APIs, and collaborate with cross-functional teams to ensure code quality and performance.

Qualifications

• Extensive experience in full-stack software development within enterprise-scale environments.
• Proven expertise in designing REST APIs and distributed systems.
• Strong proficiency in cloud-native technologies and modern development practices.
• Experience with legacy modernization or large-scale technology transformation projects.
• Ability to work effectively within international, cross-functional teams.

Responsibilities

• Design, develop, and maintain modern enterprise applications across backend and frontend.
• Build scalable, secure APIs and system integrations.
• Develop cloud-native applications and contribute to microservices transitions.
• Collaborate with Solution Architects, DevOps, and Data specialists to ensure code quality and performance.
• Support large-scale application and data migration initiatives within an Agile environment.

Skills

Full stack

REST APIs

Cloud-native

Distributed systems

Legacy modernization

Job description

Square One Resources is seeking a Senior Full Stack Engineer to join a large-scale technology modernization program within the financial services sector. You will play a key role in transforming enterprise systems through modern application development, cloud transformation, and the implementation of advanced software architectures.

Key responsibilities

• Design, develop, and maintain modern enterprise applications across both backend and frontend stacks.
• Build scalable, secure APIs and system integrations to support complex business requirements.
• Develop cloud-native applications and contribute to the transition toward microservices and event-driven architectures.
• Collaborate with cross-functional teams including Solution Architects, DevOps, and Data specialists to ensure high standards of code quality and performance.
• Support large-scale application and data migration initiatives within an Agile environment.

Requirements

• Extensive experience in full-stack software development within enterprise-scale environments.
• Proven expertise in designing REST APIs and working with distributed systems.
• Strong proficiency in cloud-native technologies and modern software development practices.
• Experience with legacy application modernization or large-scale technology transformation projects.
• Ability to work effectively within international, cross-functional engineering teams.

What we offer

• Opportunities to work on high-impact, global financial transformation programs.
• Support for professional development and continuous integration/deployment environments.
• Access to private medical care and co-financing for sports activities.