Job Title: Senior Software Engineer

Location:
Mexico and Brazil

Job Type
100% Remote Duration: 6+ Months contract + Possible extensions Client: Oxford Background and drug screen required 2 interviews (First: 30 minutes, Second: 1 hour) Overview: Oxford’s client is seeking a Senior Software Engineer (Contract). You’ll have deep familiarity with your team’s domain and take ownership of key components within Client’s software systems. We maintain a culture of high collaboration and psychological safety, with clear ownership and accountability where individuals can thrive and gain meaningful experience to elevate their career potential. As a Senior Software Engineer (Contract), you’ll...
• Contribute to the development of client facing solutions.
• Own the design and implementation of medium-sized features or services with guidance from staff engineers or technical leads.
• Participate in debugging and improving production systems to ensure reliability and performance.
• Collaborate with engineers to evaluate tradeoffs, propose solutions, and deliver well-scoped changes .
• Collaborate with product and business partners to understand the problems we’re trying to solve.




• Provide thoughtful code reviews and help maintain a high engineering bar across the team.
• Write documentation for both technical and non-technical audiences. REQUIRED:
• 4-6 years of experience building production software with Node.js/TypeScript.
• Experience with data stores including Redis and relational databases (e.g., Postgres, MySQL), and comfort choosing the right tool for the job.
• Experience working with job-queueing systems, such as SQS, Kafka, Kinesis, etc.
• Experience building or operating services in a cloud environment (AWS
- S3, Lambdas, SQS)
• Experience working with APIs, either through the integration with external APIs or the development of internal APIs.
• Experience writing and maintaining unit and integration tests that run in CI pipelines.
• Experience using AI-assisted development tools (Claude, or similar). Minimum 1 year exp
• Experience building or supporting systems that render user-facing output (e.g., web UIs, templates, or generated artifacts) is nice to have.
• Strong problem-solving skills, attention to detail, and the ability to communicate clearly with technical and non-technical partners.

📌 Senior Software Engineer (México)
🏢 System Soft Technologies
📍 México