About Us

At Sales Marker, our mission is to create a world where all people and companies can challenge themselves beyond existing boundaries. We’re one of the fastest growing start-ups in Japan and we’re growing at a speed that is twice as fast as Unicorn startups. By using our product, sales teams can improve their work efficiency by 3 times. We have achieved over 900% YoY business growth rate in 2.5 years since our flagship product 「Sales Marker」 was released and we’re currently actively working on a wide range of new product portfolios.

The Team

Our co-founders are from top companies in Japan and the world such as NRI, Keyence, LINE, Microsoft, and PwC. They were selected as 「FORBES 30 UNDER 30 ASIA LIST」 in 2023 . In our Engineering & Product team, we have members from more than 16 countries and they come from top tech companies in the world such as Google, Microsoft, Indeed, and famous tech companies in Japan such as Mercari, LINE, Yahoo, Smartnews, etc. 

Your Job

Responsibilities

You will be responsible for the overall backend development of all of our existing and new product lines including our flagship product 「Sales Marker」. If you prefer, you can have the opportunity to make use of your front-end, machine learning, SRE, and other skills in our team as well.

Requirements

- Deep understanding of Data Structures, Algorithms and CS fundamentals.
- 3 years of experience (flexible as time ≠skills) working as a backend engineer, preferably in a tech or product-focused company.
- Proficiency in schema design and efficient database querying (MySQL, ElasticSearch, MongoDB).
- Strong experience in backend application architecture, performance tuning, and monitoring.
- Proactive ownership of projects from conception to completion.
- A continuous improvement mindset, challenging the status quo to enhance system performance.

Nice to Have

- Strong Experience working with MySQL.
- Familiarity with ElasticSearch, Redis, and MongoDB.
- Experience in handling large data processing pipelines and batches.
- Proficiency in containerization, cloud deployments (AWS preferred), and CI/CD processes.
- History of handling major incidents in large tech companies.
- Background in fast-growing companies at stages comparable to Sales Marker.
- Domain expertise and contributions to popular Open Source projects.
- Experience with TypeScript and Go in backend service operations.
- Leadership experience as a Tech Lead, overseeing backend service development.
- Fluency in English or Japanese.

Our Tech Stack

[Front-end]
- TypeScript, React;
- Libraries: Storybook, jest;
- Hosting: Amplify

[Server Side/Back-End]
- Infrastructure: AWS, ElasticBeanstalk;
- DB: Aurora, ElasticSearch;
- Languages: Go, Typescript
- Analysis environment: Athena;
- Framework: Express;
- Monitoring: DataDog;
- Others: AWS Lambda, AWS Batch, AWS API Gateway, AWS Glue

Why Us?

- No.1 fastest growing Saas startup in Japan with strong financial growth
- Innovative new product development and opportunity to build things from scratch.
- Plenty of leadership and career development opportunities.
- Full remote-friendly & full flexible work schedules.
- Global team and English speaking environment.
- Great benefits & perks packages such as Resort Worx, Purchasing Books, Free Weekly Lunch, Offsites, etc.

Working Style

● Remote Work
We’re remote friendly. We use Zoom and Meet, and recently introduced the virtual office platform Gather to maintain both the quality and quantity of communication while working remotely, ensuring smooth development and operations. We also rent a WeWork office, so coming to the office every day is possible if you prefer.

● Flexible Work
You are free to customize your daily working hours.Taking into account the situation within the company and your team, you will manage your schedule and tasks within reasonable limits. Each employee adjusts their working hours to meet the monthly requirement of 8 hours per working day.

● Work-Life Balance
We value a healthy work-life balance.Whether you want to focus heavily on work or prioritize your personal time, we believe this is an environment where both approaches can thrive.

Read More

■Career Page: https://sales-marker.jp/corporate/en/(https://sales-marker.jp/corporate/en/)
■Culture Book: https://speakerdeck.com/salesmarker/sales-marker-culturebook-en(https://speakerdeck.com/salesmarker/sales-marker-culturebook-en)
■YouTube: https://www.youtube.com/watch?v=Ob8Ds06zwo0(https://www.youtube.com/watch?v=Ob8Ds06zwo0)

【職種 / 募集ポジション】
Back-End Engineer - Platform Team
【雇用形態】
正社員
【給与】
年収 4,000,000円 〜 12,000,000円
【Additional Notes about Compensation】
※The actual offer will be decided based on your experiences and skills.
【勤務地】
105-6923 Kamiyacho Trust Tower 23F, 4-1-1 Toranomon, Minato-ku, Tokyo
【Office Location】
Tokyo Metro Hibiya Line Kamiyacho station
Tokyo Metro Namboku Line Roppongi-itchome station 9 min. walk

Full remote work is OK!
【Probation Period】
6 months (same conditions during probationary period)

会社情報

【会社名】
株式会社Sales Marker
【設立年月】
2021年7月29日
【本社所在地】
東京都港区虎ノ門4-1-1 神谷町トラストタワー 23F

【資本金】
1億円
【従業員数】
206名（取締役4名＋正社員113名＋業務委託93名）