Senior Software Developer .NET - Colombia

Core Responsibilities

Architecture, Design & Technical Direction 

• Create architecture, prototypes, and design proposals that deliver near-term business value while aligning with the future-state product and platform vision. 

• Influence technical direction through architecture reviews, RFCs, design discussions, and hands-on collaboration. 

• Partner with senior developers, architects, and tech leads to define and execute the product/platform architecture roadmap. 

• Balance delivery speed, quality, maintainability, and long-term platform health when making technical decisions. 

Delivery & Engineering Excellence 

• Break down large initiatives into parallelizable chunks of work that deliver incremental business value. 

• Champion proposals through all phases of the SDLC, from design through production implementation. 

• Contribute to improving the core product build, CI/CD pipelines, and overall SDLC. 

• Troubleshoot and eliminate root causes of persistent production issues; drive reliability, observability, monitoring, and incident response. 

• Keep technical documentation current and create new artifacts as needed. 

Collaboration & Leadership 

• Facilitate design discussions within and across teams. 

• Represent the team in technical discussions with Tech Leads, Operations, Product/UX, Security, Domain SMEs, and external stakeholders. 

• Act as a trusted technical leader, helping teams succeed through collaboration, influence, and shared ownership. 

• Mentor other developers through design reviews, pair programming, and code reviews; contribute to raising overall engineering maturity. 

• Share knowledge of new technologies and industry best practices to strengthen team-wide coding standards. 

• Evaluate emerging technologies, frameworks, and cloud capabilities that could benefit the platform. 

Back End Platform Responsibilities 

• Design and build key features and architectural improvements for the platform, end-to-end, using modern .NET technology and architecture. 

• Take initiative on complex, business-critical challenges such as third-party extensibility and real-time multi-user synchronization. 

• Build and maintain services across both monolith and microservice architecture. 

• Create and optimize complex SQL Server queries, stored procedures, and functions. 

• Collaborate with a team of deep technical experience and strong domain knowledge; brainstorm and share ideas within an agile team of developers, testers, and a product owner. 

Core Qualifications

• Degree in Computer Science, Software Engineering, or equivalent practical experience; 8+ years of professional software development experience with demonstrated impact beyond a single team. 

• In-depth experience with server-side .NET and C#, including highly distributed microservice architecture. 

• Proven experience designing and operating distributed, cloud-native, SaaS/multi-tenant platforms at scale, ideally on AWS. 

• Strong software fundamentals: OOP, design patterns, SOLID principles, and a track record of advocating for code quality. 

• Experience with test-driven development, including unit, integration, and end-to-end testing. 

• Experience designing and consuming well-designed HTTP APIs (REST, GraphQL, or similar). 

• Experience with both monolith applications and microservices. 

• Knowledge of relational databases, such as SQL Server. 

• Experience mentoring developers and influencing architectural decisions across teams. 

• Strong written and verbal communication skills; comfortable operating in fast-moving environments with ambiguity and evolving requirements. 

• Strong initiative to improve processes, tools, methodologies, and product quality. 

Nice to Have

• Experience with container technologies such as Docker, ideally with orchestration such as Kubernetes. 

• Experience with cloud providers beyond AWS (Azure, Google Cloud). 

• Knowledge of accounting and auditing concepts. 

• Contributions to open-source projects or a strong GitHub portfolio. 

Tech Stack

• Languages & Frameworks: .NET, C# 

• Cloud & Infrastructure: AWS (S3, Secrets Manager, Lambda, SQS, SNS, DynamoDB, EKS, etc.), CloudFormation, Terraform 

• Data: SQL Server, AWS RDS SQL Server 

• Testing & Observability: New Relic, AWS CloudWatch 

• Tooling: Jira, Visual Studio, GitHub, Devin, Claude Code 

Perks & Benefits

¨Contrato a termino Indefinido¨ with all the legal benefits
Prepaid Medicine
Life insurance and funeral assistance
Internet allowance
Home office stipend
Competitive compensation — above the market average
100% remote work environment and an excellent work-life balance
Opportunity to work for a growing global SaaS leader company
A culture that promotes independence, innovation, trust, and accountability
Open space to be creative, innovative and strategize for the future
Mentorship by highly experienced professional 
Budget for training, we want you to grow
5 Personal Time Off days per year
Sick Leave Top up to total 100% of salary paid by the employer from Day 3 to 90. 
Recognition Award, additional paid time off in recognition of the corresponding year of service
Upgrade vacation starting at 5 years of service
AI-first environment: Be part of an AI-first engineering organization that embraces modern tools, automation, and AI-driven ways of working.