Senior Software Engineer

Stax Payments; Orlando (FL); On-site; USD 100,000 - 140,000; Full time

Job summary

Stax Payments is looking for a Senior Software Engineer in Orlando, Florida. The ideal candidate will have over 5 years of experience and will be responsible for designing and implementing scalable software solutions.

You will work closely with teams across product, design, and engineering, contributing to improved customer experiences. A strong command of languages like Java and JavaScript is essential, along with familiarity in cloud services like AWS.

Qualifications

• 5+ years of experience in large-scale software development.
• Proficiency in two or more programming languages: Java, JavaScript, Python, etc.
• Comfortable with operational duties and cloud technologies.

Responsibilities

• Design and implement scalable software solutions.
• Collaborate with product/design teams on technical requirements.
• Support and troubleshoot existing systems.

Skills

Software Development

JavaScript

Java

Python

Cloud Technologies

Tools

AWS

RDS/Aurora

DynamoDB

Job description

Description

We are seeking a Senior Software Engineer to join our collaborative and inclusive team. The successful candidate will be an experienced technical leader who can help us deliver exceptional customer experiences across multiple applications and services. As a Senior Software Engineer, you will be responsible for designing, implementing, and operating complex software applications that are scalable, durable, and performant. You will also collaborate closely with team members from product, design, engineering, and other internal stakeholders to deliver high‑quality solutions to our customers.

Responsibilities

• Design and implement scalable, efficient, and maintainable software solutions.
• Work with product and design teams to translate business objectives into technical requirements and implementation details.
• Contribute to engineering standards and process refinements.
• Support and troubleshoot issues with existing systems, including incident response.
• Assist with platform operations, deployments, and code reviews.
• Mentor and level up engineering team members.
• Research new technologies, methodologies, and trends to continuously improve our engineering practices and services.
• Other duties as assigned.

Requirements

• 5+ years of experience in large‑scale software development or application engineering with recent coding experience in two or more of the following languages: Java, JavaScript, C/C++, C#, Swift, Python, PHP, Go, or Ruby.
• Knowledge of software development methodologies and the tools that support them.
• Familiarity with scripting and programming languages, specifically Typescript/Javascript, PHP, and Python.
• Excellent technical design and software engineering skills.
• Comfortable taking on platform operational duties and well‑versed in cloud technologies.

Preferred Qualifications

• Experience leading software engineering teams.
• Experience in financial technology (FinTech).
• Familiarity with AWS cloud services, specifically: RDS/Aurora, S3, OpenSearch, ElastiCache, ALBs, Lambda, Kinesis, DynamoDB.