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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Full Stack - **Company:** TEKSYSTEMS INC. - **Location:** Greenwood Village, CO, United States (Remote available) - **Experience:** Expert - **Salary:** $124,800.0 - $145,600.0 - **Contract:** Temporary contract - **Skills:** Application Programming Interfaces (APIs), Agile Methodology, Artificial Intelligence, Amazon Web Services, Application Performance Management, Data Centers, Software Debugging, Data Flow Control, Python (Programming Language), Node.Js, Performance Tuning, Cloud Services, Standard Sql, Software Engineering, SQL Databases, Data Streaming, Systems Architecture, TypeScript, Enterprise Software Applications, Cloud Platform System, Spring Cloud, ReactJS, Backend, Fastapi, Kubernetes, Information Technology, Production Code, Cloud Migration, Api Design, Cloud Optimization, Software Coding, Restful APIs, Terraform, Docker, Service Stack, Legacy Systems, Microservices - **Published:** October 21, 2026 - **Apply:** https://www.careercircle.com/jobs/all/all/usa/co/greenwood-village/8cb40e75-87ba-4184-baba-afc90a82a613 ## About the Role CoBank is seeking a Senior Full Stack Software Engineer to help drive a large-scale cloud modernization initiative focused on migrating and modernizing critical financial systems. This role is ideal for a highly skilled software engineer who thrives in complex enterprise environments, enjoys solving difficult technical problems, and can independently design, build, and troubleshoot scalable applications. The team is looking for a true engineer, not someone who has only surface-level exposure to the technology stack. Candidates must be able to code live, explain architectural decisions, troubleshoot production issues, and demonstrate end-to-end ownership of enterprise applications., * Strong hands-on coding experience with: + Python + Node.js + TypeScript + React + SQL * Experience developing and consuming REST APIs * Strong understanding of software engineering fundamentals * Experience with AWS cloud services * Experience with Docker and/or Kubernetes * System design and architecture experience * Strong debugging and troubleshooting skills * Ability to explain technical decisions, tradeoffs, and design approaches * Experience working in Agile development environments * Bachelor's Degree in Computer Science or related field preferred, * Financial services or banking industry experience * Experience modernizing legacy applications * Terraform experience * AWS certifications * Data center migration experience * Cloud optimization and performance tuning experience * Experience working within highly regulated enterprise environments, The ideal candidate is a Senior-level engineer who: * Can write production-quality code without relying heavily on AI tools * Demonstrates deep understanding of systems they have built and supported * Excels in live coding exercises * Understands API design, backend development, and system architecture * Takes ownership of solutions from design through deployment * Is curious, self-sufficient, and highly collaborative Technical Environment * Python * FastAPI * Node.js * TypeScript * React * AWS * REST APIs * Microservices * Docker/Kubernetes * Terraform * SQL, * Complete two live coding exercises * Discuss system design and data flow from previous projects * Demonstrate strong knowledge of programming fundamentals * Explain technical decisions and architectural tradeoffs * Walk through real-world examples of applications they have built and supported, Individual compensation offered for this position within this range will depend on many factors, including qualifications, skills, relevant experience, job knowledge, geographic location, internal equity, and other pertinent job-related factors. ## Description Dataflow Curiosity Debugging Operations API Design Scalability RESTful API Microservices Systems Design Cloud Migration Computer Science Self-Sufficiency Agile Methodology Docker (Software) Financial Systems Performance Tuning Business Valuation Amazon Web Services Software Engineering Full Stack Development Business Transformation Cloud-Native Applications Infrastructure Optimization Python (Programming Language) Back End (Software Engineering) Troubleshooting (Problem Solving) Application Programming Interface (API) $124,800 - $145,600 / yr Posted yesterday, * Build and maintain backend services, APIs, and microservices solutions * Design and develop cloud-native applications in AWS * Modernize legacy applications and integrate enterprise systems * Develop and consume RESTful APIs using Python and Node.js * Collaborate with architects, engineers, and business stakeholders to deliver scalable solutions * Troubleshoot production issues and optimize application performance * Participate in system design discussions and architectural decision-making * Support cloud migration, platform modernization, and infrastructure optimization initiatives