AI Software Architect – MCP, JS

🔥 0 minutes ago

🌐 Germany, Romania – Remote

🇩🇪 Germany – Remote 🇷🇴 Romania – Remote

⏰ Full Time

🟠 Senior

🔴 Lead

🧑‍💻 Full-stack Engineer

👻 Ghost score 10%

What it means: how likely this posting is sitting open without active hiring.How to read it: 60% or higher means we think this is a ghost. Lower scores are less of a worry.How we score it: age, reposts, open roles vs team size, how fast jobs close, and whether pay is listed.Fine print: an estimate from public data, not a judgment of the company. Real jobs can score high, so treat it as a hint, not a fact.

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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

🏖️ Benefits

• Remote work • Mentoring and knowledge-sharing opportunities • Technical leadership and ownership opportunities • Work on technically challenging products • Collaboration with experienced engineering teams • Opportunity to shape scalable solutions for a modern European FinTech company