---
title: 'Senior Software Engineer (C# .NET) at Tektome'
canonical: 'https://feeny.ai/job/senior-software-engineer-c-net-tektome-tokyo-733b4c2awxtq'
type: 'job'
last_seen: '2026-09-09'
---

# Senior Software Engineer (C# .NET) at Tektome

- **Company:** Tektome
- **Location:** Tokyo, Japan
- **Employment:** full-time
- **Work type:** hybrid
- **Posted:** 2025-10-14
- **Last confirmed live:** 2026-09-09
- **Apply:** https://jobs.gem.com/tektome-com/am9icG9zdDqcQEVnI70WQ-PE-TAfFM_Z

## Job description

## About Us

At Tektome, we're at the forefront of technological innovation for the AEC industry. Our commitment is to drive excellence, push technological boundaries, and transform the AEC as a whole. We are a spin out of one of the first AI companies in Japan, Incubit. We're looking for dedicated professionals who share our passion and ambition. If you're a developer hungry for challenges and eager to be part of a pioneering tech firm, Tektome is where you belong.

## Role

As a Senior Software Engineer you will be instrumental in designing, developing, and maintaining high-performance, scalable, and reliable BIM systems. This role combines hands-on development with the strategic planning and team-building necessary to execute the company's technical roadmap. We highly prize engineers who have the ability to build backend systems that combine complex and innovative use of different databases and their structures to achieve a unified ingestion, storage and compute layer for AEC type of data (3D geometry, rasta type data etc) such that AI systems can leverage it.

## Responsibilities

- Design, develop, and maintain scalable, high-performance BIM systems
- Collaborate with the product engineering team, product managers, and other stakeholders to define and deliver project requirements
- Develop APIs and services to enable seamless integration of AI functionalities into our products
- Contribute to the design and review of system architecture, ensuring a balance between performance and cost
- Prototype new innovative solutions that leverage different technologies to achieve the goal of a unified data later for AEC data
- Implement and ensure our monitoring solutions are ensuring robust metrics

Must-Have Qualifications

- Bachelor’s degree in Computer Science, Engineering, or a related field
- Excellent problem-solving skills and attention to detail
- 5+ years of experience in software development
- Minimum of 1+ years in web development
- Expertise in C#, C++, .NET
- Strong understanding of cloud services and architecture
- Proficiency in working with SQL (Postgres) and in-memory databases (Redis)
- Proficiency with containerization and orchestration technologies (Docker, Kubernetes)
- Solid understanding of SOLID principles, design patterns, and best practices

Nice-to-Have Skills

- Familiarity with message brokers (e.g., Kafka, RabbitMQ) and event-driven architecture
- Knowledge of LLM services for building integrated architectures
- Familiarity with DevOps practices and tools (CI/CD pipelines, monitoring, logging)

## What We Offer

- Relocation Package
- Competitive salary, benefits etc.
- Opportunity to work on cutting-edge technologies
- Collaborative and inclusive work environment
- Personal growth and learning opportunities.

## About Tektome

## Company Overview
- **One-liner**: Tektome is an AI-native company providing an architectural design platform for the Architecture, Engineering, and Construction (AEC) industry.
- **Entity Type**: Private (Founded 2023)
- **Headquarters**: Shibuya, Tokyo, Japan
- **Founded**: 2023
- **Founders**: Naoki Kitamura (CEO) and Francis Hamilton (Founding CTO)

## Core Business
- Primary industry/industries: Data Infrastructure and Analytics, Architecture, Engineering & Construction (AEC), Artificial Intelligence
- Target customers: B2B, Enterprise (architectural firms, construction companies, engineering consultancies)
- Mission or purpose statement: "Become the AI Copilot for architectural design by building tools that assist AEC professionals at every step of the process." [tektome.com](https://tektome.com/en/about/)

## Products & Services
- **[Tektome KnowledgeBuilder]**: An AI-powered solution that analyzes and structures past design drawings into a searchable database. Used by major firms like Takenaka Corporation to improve design productivity and promote work style reform. Type: SaaS/AI Platform. [tektome.com](https://tektome.com/en/about/)
- **[平面図解析技術 (Floor Plan Analysis Technology)]**: AI technology that analyzes 2D floor plan drawings and structures them into data. Type: API/SDK [linkedin.com](https://jp.linkedin.com/company/tektome)
- **[Tektome Regulations Research]**: An AI-powered solution designed to help architects and AEC teams navigate complex regulatory requirements before design decisions. Type: SaaS/AI Platform. [linkedin.com](https://jp.linkedin.com/company/tektome)

## Market Standing
- **Valuation/Market Cap**: Not publicly available
- **Key Metric**: Total Funding not disclosed; Headcount of 27 employees with 85.7% year-over-year growth [builtin.com](https://builtin.com/company/tektome)
- **Notable Investors/Partners**: Incubit Inc. (Japan's early AI company, from which Tektome spun out); Takenaka Corporation (major Japanese construction firm, client); Haseko Corporation (client collaboration on AI training program) [linkedin.com](https://jp.linkedin.com/company/tektome)
- **Growth Signals**: Rapid headcount growth (+85.7% YoY), expansion to UK (London office established April 2025), high-profile client wins (Takenaka Corporation, Haseko), active hiring (8 open positions as of search date). [linkedin.com](https://jp.linkedin.com/company/tektome)

## Competitive Advantages
- **Deep AEC Domain Expertise**: Focuses exclusively on the complex AEC industry, combining AI research with real-world architectural and engineering workflows.
- **AI-First Approach**: Built from the ground up as an AI-native company, not a traditional software vendor adding AI features.
- **Strategic Talent**: Team includes AI researchers (CTO holds a Master's in AI), architects, and engineers, allowing for tight integration of technology and domain needs.
- **Early Market Penetration**: Has secured partnerships and clients with major Japanese construction industry leaders (Takenaka, Haseko) within two years of founding.

## Strategic Focus
- **Swarm AI Vision**: Expanding beyond single-agent AI tools to a "Swarm AI" vision for the AEC industry, where multiple AI agents collaborate on complex design tasks.
- **Global Expansion**: Established a London office in 2025 to enter the UK and European markets.
- **Product Line Expansion**: Continuously launching new AI-powered solutions (KnowledgeBuilder, Regulations Research, Floor Plan Analysis) to address different pain points in the AEC workflow.
- **Automating Architectural Workflows**: Core focus on automating repetitive tasks (drawing structuring, code compliance) to free up architects for higher-value design work.

## Why Work Here
- **Culture**: Described as an "AI-first" company at the "forefront of technological innovation" for the AEC industry. Emphasizes a research-driven culture that values pushing technological boundaries. [tektome.com](https://tektome.com/en/about/)
- **Remote/Hybrid Policy**: Hybrid workspace. Employees in Tokyo and London work a combination of remote and on-site. Recent job postings are listed as "Hybrid". [builtin.com](https://builtin.com/company/tektome)
- **Team & Growth**: A small, rapidly expanding global team (27 people, growing ~85% YoY) across 5 countries. This suggests high impact and ownership for early employees.
- **Notable Perks/Engineering Culture**: Focus on "research-grade AI innovation," working with cutting-edge technology in a specialized domain. The company is a spin-out of a successful AI firm (Incubit), indicating strong technical roots. Recent openings include Senior Software Engineer, AEC AI Engineer, and Cloud DevOps Engineer. [builtin.com](https://builtin.com/company/tektome/jobs)

## Sources
1. [tektome.com](https://tektome.com/en/about/)
2. [jp.linkedin.com](https://jp.linkedin.com/company/tektome)
3. [builtin.com](https://builtin.com/company/tektome)
4. [tektome.com](https://tektome.com/company/team)

## Other roles at Tektome

- [シニア広報・PR](https://feeny.ai/job/pr-tektome-tokyo-xsk8j2xad4s9) — Tokyo, Japan
- [カスタマーエンジニア（建築CAD／BIM）](https://feeny.ai/job/cad-bim-tektome-tokyo-xxd7zc2gzv67) — Tokyo, Japan
- [IT Manager](https://feeny.ai/job/it-manager-tektome-tokyo-5bk23qrz8fdb) — Tokyo, Japan
- [建設DX AI / 顧客伴走型ソリューションコンサルタント](https://feeny.ai/job/dx-ai-tektome-tokyo-wynbf4p3z153) — Tokyo, Japan