Engineer (Team Lead Candidate) | Construction Management SaaS with 1M+ Users | 50% Development x 50% Management | Maintain Both Technical Skills and Career | Flex x Remote WorkEnglish summary from Japanese

株式会社リバスタ

✓ Detailed

Salary

年収 600万円〜 740万円月給：38万6000円～47万9000円　 A.基本給（Bを除く額）：33万5000円～41万5000円　 B.業務手当：5万1000円～6万3000円　 ※業務手当はみなし20時間分の時間外勤務手当として支給（時間外勤務時間がみなし支給分を超えた場合は別途支給） ※経験・スキルを考慮して相談に応じます。

Location

東京都江東区豊洲5-6-36 豊洲プライムスクエア9F

Job Type

Full-time

Work Style

◎フレックスタイム制・コアタイム　11:00～16:00 ・1日の標準労働時間8時間（休憩1時間）

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Role summaryEnglish summary from Japanese

English summary for screening — check the original posting before applying.

Rivsta is seeking a backend engineer to lead a team of 3-5 members for their construction management SaaS, 'Buildee', which has over 1 million users. This role involves a 50% development and 50% management split, focusing on driving the next evolution of the product into AI and image analysis.

Must-haves

3+ years of web application development experience (design to testing)
Active involvement in basic or detailed design phases
Willingness to code and manage (player-coach role)

Nice-to-haves

Experience as a development project leader/sub-leader
End-to-end service handling experience (requirements to operation)
Experience introducing new technologies/frameworks
Experience negotiating with business stakeholders

Tech stack

C#.NET CoreRuby on RailsPythonTypeScriptReactBlazorFlutterReact NativeSwiftAWSAmazon BedrockClaudeGitHub CopilotDatadogAWS CodePipelineBacklogGitHubFigmaSlackTeams

Work style

Hybrid work (remote 2-3 days/week) with flextime system (core hours 11:00-16:00). Location: Tokyo Headquarters (Toyosu Prime Square). Relocation to Tokyo Station planned for Autumn 2027.

Other notes

Annual salary: 6,000,000 JPY - 7,400,000 JPY. Negotiable based on experience and skills. Average monthly overtime is approximately 13.5 hours.

About the Company

株式会社リバスタ

Headquarters

Founded

2007-06

Visit Website

Posted7/3/2026

Sourceherp