Hi, I'm Cassie Alexander, your Recruiter and guide to joining CSG! We are excited to learn more about you and your unique background.
We are seeking a Senior Software Development Engineer to design, develop, test, and maintain software applications or systems. You will collaborate with cross-functional teams to create efficient and reliable software solutions, ensuring they meet project requirements and industry standards.
We are looking for a Senior Software Development Engineer who will:
Lead software development projects with limited guidance from more senior developers.
Architect and design complex software solutions.
Mentor and guide junior developers.
Analyze and optimize code and system performance independently.
Clarify ambiguous requirements into structured, testable detail such as edge cases and constraints.
Define edge cases and failure modes up front
Develop and consume APIs including AI APIs to integrate AI capabilities into existing software
Validate AI-generated code for security, performance, and correctness.
Use AI coding assistants as part of an iterative AI-human development process.
Write testable, modular code and participate in unit and integration testing.
Work within documented change controls and compliance-sensitive environments.
Participate in requirements and technical specification reviews.
Collaborate effectively across Development, QA, Operations, and Product teams.
Is this opportunity right for you? We are looking for candidates who have:
Bachelor’s degree in Computer Science, related field or equivalent experience
7+ years of software development experience.
Strong experience with .NET/C# and React.
Experience with Python, AWS, Oracle, and PostgreSQL.
Experience with CI/CD pipelines, including Azure DevOps.
Experience with unit and integration testing frameworks.
Deep knowledge of software architecture and system design.
Experience working from functional and technical requirements, including requirements that may be incomplete or ambiguous.
Understanding of API contracts and interface design from both consumer and producer perspectives.
Familiarity with versioned contract design and backward compatibility considerations.
Experience using AI coding assistants such as GitHub Copilot, Cursor, or similar tools.
Ability to evaluate AI-generated code for security, performance, correctness, and maintainability.
Understanding of prompt engineering fundamentals, including structured prompts and refinement loops.
Understanding of AI limitations and hallucination risks.
Experience with AWS deployment and CI/CD pipelines.
Familiarity with observability and logging best practices.
Experience working in compliance-sensitive or regulated environments, with an understanding of auditability, traceability, and documented change controls.
Experience working effectively within small, cross-functional feature teams.
Ability to read, write, speak and understand the English language in a business environment
CSGer Perks & Benefits
Work from Home, hybrid, or in-office
Employee Belonging Groups
Healthcare: Dental, Medical, and Vision
Paid Vacation, Volunteer, and Holiday Time Off
And so much more!
View More Benefits
#LI-Remote
#LI-CA1
Location(s):
Brazil RemoteColombia RemoteAccommodation:
If you would like to be considered for employment opportunities with CSG and need special assistance due to a disability or accommodation for a disability throughout any aspect of the application process, please call us at +1 (402) 431-7440 or email us at [email protected]. CSG provides accommodations for persons with disabilities in employment, including during the hiring process and any interview and/or testing processes.
Our Guiding Principles:
Impact: Always help and empower others, whether they’re colleagues or customers. When our employees set their minds to something, great things happen.
Integrity: Do what’s right for our customers and our people while being authentic. We treat everyone with trust and respect—that’s just who we are.
Inspiration: Be bold in the way you think and passionate about the work you do. Test out innovative ideas without the fear of failure.
Our Story:
CSG empowers companies to build unforgettable experiences, making it easier for people and businesses to connect with, use and pay for the services they value most. For over 40 years, CSG's technologies and people have helped some of the world's most recognizable brands solve their toughest business challenges and evolve to meet the demands of today's digital economy.
By channeling the power of all, we make ordinary customer and employee experiences extraordinary. Our people [CSGers] are fearlessly committed and connected, high on integrity and low on ego, making us the easiest company to do business with and the best place to work. We power a culture of integrity, innovation, and impact across our locations, representing the most authentic version of ourselves to build a better future together. That's just who we are. Learn more about CSG Inclusion & Impact here.
Skills Required
- Bachelor's degree in Computer Science, a related field, or equivalent experience
- 7+ years of software development experience
- Strong experience with .NET and C#
- Strong experience with React
- Experience with Python, AWS, Oracle, and PostgreSQL
- Experience with CI/CD pipelines, including Azure DevOps
- Experience with unit and integration testing frameworks
- Deep knowledge of software architecture and system design
- Experience working from functional and technical requirements, including incomplete or ambiguous requirements
- Understanding of API contracts and interface design from consumer and producer perspectives
- Familiarity with versioned contract design and backward compatibility
- Experience using AI coding assistants such as GitHub Copilot, Cursor, or similar tools
- Ability to evaluate AI-generated code for security, performance, correctness, and maintainability
- Understanding of prompt engineering fundamentals
- Understanding of AI limitations and hallucination risks
- Experience with AWS deployment and CI/CD pipelines
- Familiarity with observability and logging best practices
- Experience in compliance-sensitive or regulated environments, including auditability, traceability, and documented change controls
- Experience working effectively within small, cross-functional feature teams
- Business-level English reading, writing, speaking, and comprehension
CSG Compensation & Benefits Highlights
The following summarizes recurring compensation and benefits themes identified from responses generated by popular LLMs to common candidate questions about CSG and has not been reviewed or approved by CSG.
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Flexible Benefits — A remote‑first, work‑from‑anywhere approach and paid volunteer time off are emphasized as core parts of the package. This flexibility is highlighted alongside standard health coverage and time‑off offerings.
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Leave & Time Off Breadth — Unlimited or generous PTO, paid holidays, separate sick time, and parental leave are described as standout elements, with mentions of an optional PTO buyback in some cases. These practices position time off as a notable strength.
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Retirement Support — A 401(k) with company match and immediate vesting is presented as a strong component of the package. This supports longer‑term financial security for employees.
CSG Insights
What We Do
Customer experience, commerce and payments have changed forever. With innovative new technologies like 5G and AI reshaping consumer expectations, it’s up to brands to deliver digital, engaging experiences that win over customers, no matter where they are in their customer journey. That’s where CSG comes in. CSG is a purpose-driven, high-growth SaaS platform company helping some of the world’s most recognizable brands solve their toughest business challenges. We’re a trusted partner to global companies that want to evolve to meet the demands of today’s digital economy, with future-ready solutions that drive exceptional customer experiences.
Why Work With Us
We're high on respect and low on ego, making us an easy company to do business with and the best place to work. We cultivate a culture based on integrity, innovation, and impact across all our locations, so our people show up as the most authentic version of themselves and can work together to build a more future-ready world. #ChooseCSG
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