AI Solutions Architect – MCP, JS

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Sigma Software Group

WebsiteLinkedInAll Job Openings

1001 - 5000 employees

Founded 2002

💼 Consulting

🏥 Healthcare

🚘 Automotive

Consulting • Healthcare • Automotive

Sigma Software Group is a multinational company, established in 2002, that specializes in providing high-quality software development, graphic design, testing, and support services. The company focuses on delivering solutions across various industries such as automotive, telecommunications, aviation, advertising, gaming, banking, real estate, and healthcare. Sigma Software values professional growth, offers remote work opportunities worldwide, and caters to world-renowned clients like AstraZeneca, Scania, and SAS. The company emphasizes a culture of continuous education, mentorship, and flexible work environments, making it a preferred workplace for IT specialists aiming to work on complex solutions utilizing cutting-edge technologies. Sigma Software is committed to innovative solutions and engineering the future while also contributing to social causes such as charitable work in Ukraine.

📋 Description

• Design and implement core MCP platform capabilities, including MCP clients, servers, tool invocation patterns, and integrations with existing backend services • Define reference architectures and engineering standards for MCP servers, tools, resources, schemas, authentication, context handling, and versioning • Build reusable TypeScript/Node.js libraries, SDKs, templates, and starter projects for product teams • Design shared capabilities around conversation state, agent state, context management, and orchestration workflows • Establish architectural guidance for selecting between MCP, A2A communication, traditional APIs, and service-to-service integration patterns • Collaborate across engineering teams to review solution designs and document best practices • Mentor engineers and provide technical leadership in AI integration and platform engineering initiatives • Ensure platform scalability, maintainability, security, and operational excellence • Define architecture vision and technical standards for enterprise-wide MCP adoption • Drive cross-team technical alignment and support strategic architecture decisions

🎯 Requirements

• 7+ years of production experience with JavaScript, TypeScript, and Node.js • 2+ years of experience in software architecture, backend platform engineering, or technical leadership roles • Strong expertise in TypeScript and Node.js ecosystem development • Proven experience designing distributed systems, APIs, SDKs, frameworks, or developer platforms • Strong understanding of software architecture principles, interface design, versioning strategies, and reusable platform components • Practical experience with MCP clients, servers, tools, resources, and LLM tool invocation • Experience leading technical initiatives across multiple engineering teams • Hands-on experience with cloud platforms, preferably AWS • Experience defining scalable architecture standards and reusable engineering practices • Ability to translate business requirements into scalable technical solutions in high-scale environments • Upper-Intermediate or higher English level • Experience with A2A communication and agent orchestration platforms is a plus • Background in AI/ML platform engineering is a plus • Familiarity with FinTech products, payment systems, or embedded finance solutions is a plus • Experience contributing to architectural governance and engineering standards at scale is a plus • Strong technical leadership and ownership mindset • Ability to work effectively in cross-functional and distributed teams • Proactive and solution-oriented approach • Passion for innovation and emerging AI technologies • Strong mentoring and knowledge-sharing skills • Ability to balance strategic architecture vision with hands-on engineering execution