Senior Software Architect

Senior Software Architect to join the IT Solutions department at Sigma Software and help shape the future of our internal digital ecosystem. You will design and evolve enterprise platforms that support business process automation, integrations, and AI-enabled capabilities across the company. You will work in a complex enterprise environment, driving architectural decisions and guiding engineering teams through multiple strategic initiatives. We invest in modern technologies, scalable systems, and internal innovation to provide our employees with the best digital tools and environments. This is an opportunity to influence high-impact solutions used across the organization while working with modern architecture approaches and AI-driven transformation initiatives.

What You'll Do

• Work with stakeholders and participate in solution discovery, initial design, and estimation
• Design scalable and maintainable architectures aligned with business goals
• Take ownership of key architectural decisions and ensure long-term sustainability
• Evaluate alternatives and document the rationale behind key architectural decisions
• Guide engineering teams and ensure implementation aligns with architectural vision
• Ensure implementation stays aligned with the architecture throughout all project iterations
• Design solutions involving integrations, automation, and data flows, including AI components where appropriate
• Ensure that AI usage is practical, controlled, and aligned with system constraints
• Ensure scalability, performance, and reliability under growing load and complexity
• Define measurable targets for quality attributes and track architecture fitness against them
• Create reference implementations and support teams in solving complex technical challenges
• Balance technical excellence with budget and schedule constraints, avoiding unnecessary over-engineering
• Build consensus with engineering teams and communicate architectural decisions constructively
• Ensure that solutions deliver measurable business value

What We're Looking For

• 7+ years of software engineering experience with strong expertise in software architecture and system design
• Hands-on experience with JavaScript, Node.js, and React.js
• Strong experience designing REST and/or GraphQL APIs
• Deep understanding of architecture principles, design patterns, scalability, integrations, and risk management
• Experience working in enterprise environments with multiple stakeholders and parallel initiatives
• Understanding of AI/ML fundamentals, AI-assisted development tools, and AI-related risks
• Ability to translate business requirements into scalable technical solutions
• Strong communication, collaboration, and stakeholder management skills
• Experience guiding engineering teams and making architectural decisions
• Ability to work in environments with evolving or incomplete requirements
• Upper-Intermediate or higher English level
• Analytic mindset with strong systems thinking
• Balance technical and business perspectives
• Strong ownership and proactive attitude
• Ability to work effectively with ambiguity and changing priorities
• Constructive communication and consensus-building skills
• Strategic thinking combined with hands-on problem-solving approach

Nice to Have

• Experience designing AI-enabled enterprise solutions
• Experience with business process automation platforms
• Experience building complex integration ecosystems
• Knowledge of cloud-native architecture approaches
• Experience defining architecture fitness functions and measurable quality metrics