{"id":1176723,"url":"https://alion.io/job/money-forward-backend-developer-kotlinjava-spring-boot-money-forward-x-tokyo","title":"Backend Developer (Kotlin/Java + Spring Boot), Money Forward X, Tokyo","company":{"id":13241,"name":"Money Forward","domain":"moneyforward.com","url":"https://alion.io/company/moneyforward","size_band":"1001-5000","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"HRMOS","truth_index":{"grade":"B","score":81,"open_postings":112,"ghost_share":0.232,"stale_share":0,"repost_share":0.009,"time_to_fill_p50_days":130,"computed_at":"2026-10-17T05:46:00Z"}},"role":"Backend","role_family":"Backend","seniority":null,"employment_type":"full_time","work_mode":"hybrid","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":[],"countries":[],"hiring_countries":[],"hiring_countries_total":0,"salary":{"min":6408000,"max":9504000,"currency":"JPY","period":"month","gross":null,"usd_annual":729564},"salary_estimate":null,"experience_years_min":null,"visa_sponsorship":false,"relocation_package":false,"has_equity":true,"technologies":[{"name":"Agile","optional":false},{"name":"CI/CD","optional":false},{"name":"Docker","optional":false},{"name":"Git","optional":false},{"name":"Java","optional":false},{"name":"Kotlin","optional":false},{"name":"Kubernetes","optional":false},{"name":"MySQL","optional":false},{"name":"PostgreSQL","optional":false},{"name":"Spring Boot","optional":false},{"name":"AI Agents","optional":true},{"name":"Apache Kafka","optional":true},{"name":"AWS","optional":true},{"name":"Azure","optional":true},{"name":"GCP","optional":true},{"name":"JavaScript","optional":true},{"name":"Next.js","optional":true},{"name":"RabbitMQ","optional":true},{"name":"React.js","optional":true},{"name":"Spring Cloud","optional":true},{"name":"Windows","optional":true}],"status":"live","first_seen_at":"2026-09-04T05:23:58Z","employer_posted_date":"2026-09-04","last_verified_at":"2026-10-18T17:38:19Z","board_verified":true,"closed_at":null,"days_open":44,"trust":{"level":"ok","repost_count":0,"flags":["company_stale"],"days_open":43},"description":"About the Role\nWe are seeking an enthusiastic and skilled Intermediate-level Kotlin (Server-side) with Spring Boot Developer to join our dynamic team. In this role, you will be responsible for developing and maintaining server-side applications using Kotlin and the Spring Boot framework, focusing on building and scaling our secure OIDC authentication platform. You will work closely with our cross-functional teams to design, implement, test, and deploy high-quality software solutions that meet our clients' needs.\nResponsibilities and Duties\nDesign and develop robust, scalable, and secure server-side applications using Kotlin and Spring Boot.\nCollaborate with product owners, software architects, and other team members to understand requirements and translate them into technical solutions.\nWrite clean, efficient, and maintainable code, following best practices and coding standards.\nConduct code reviews and provide constructive feedback to ensure code quality and adherence to coding guidelines.\nTroubleshoot and debug issues, identify root causes, and implement effective solutions.\nCollaborate with front-end developers and UI/UX designers to integrate server-side functionality with the user interface.\nDesign, create, and maintain SDK’s to facilitate seamless integration with our backend services.\nOptimize application performance and ensure scalability and reliability.\nWrite comprehensive unit tests and participate in integration and system testing.\nStay up-to-date with the latest industry trends, technologies, and frameworks related to Kotlin and Spring Boot.\nRequired Skill-set\nBachelor's degree in Computer Science, Software Engineering, or a related field (or equivalent experience).\nProven experience as a Kotlin/Java developer in a server-side development role.\nStrong proficiency in Kotlin/Java programming language.\nSolid understanding of Spring Boot framework and its core principles.\nProven experience with SDK creation and maintenance.\nExperience with RESTful API development and integration.\nFamiliarity with database systems such as MySQL, PostgreSQL including performance optimization.\nWorking knowledge of containerization technologies like Docker and orchestration frameworks like Kubernetes.\nKnowledge of software engineering practices, including version control (e.g., Git), unit testing, and continuous integration.\nFamiliarity with Agile development methodologies.\nExcellent problem-solving and analytical skills.\nStrong English communication and collaboration skills.\nAbility to work independently and as part of a team.\nSelf-motivated and eager to learn and stay updated with new technologies.\nFamiliarity with AI tools and integrating AI capabilities into backend applications.\nStrong understanding of OIDC, OAuth 2.0 and FAPI related skills and authentication protocols.\nGood to have Skill-set\nExperience with cloud platforms such as AWS, Azure, or Google Cloud Platform.\nFamiliarity with microservices architecture and related technologies (e.g., Spring Cloud).\nExperience with messaging systems such as RabbitMQ or Apache Kafka.\nBasic understanding of frontend frameworks like Next.js.\nJapanese Language Proficiency\nExperience in AI development and/or experience in using AI tools to improve development processes.Money Forward is at a major turning point, shifting \"from Cloud to AI.\" We are currently driving \"AX (AI Transformation)\"-the next step beyond DX-with the goal of providing \"Digital Workers,\" where AI agents autonomously execute tasks. As we enter a phase of evolving into Japan's No. 1 back-office AI company by integrating AI agents into all of our products in the future, we are looking for individuals who can contribute to AI-driven development and value creation.(More information here(https://www.linkedin.com/pulse/full-transcript-money-forward-announced-ai-strategy-vision-phwoc/?trackingId=sl33ZIGRFzkBJJv7wI9qsg%3D%3D))\n\nWork Environment\nAt Money Forward, we provide an environment where we can create world-class services together, and we are looking forward to welcoming you.\nProvided PC Specs: We provide PCs equipped with the latest CPUs (MacOS or Windows). Custom-made PCs tailored to business requirements and replacements with the latest OS are also possible.\nSystems to Enhance the Development Environment: Peripheral devices necessary for work (such as displays, mice, keyboards) can be purchased as office supplies. Generally, you can choose from standard products (catalog), and if conditions are met, you can apply for non-standard products as well. (*Excluding certain group companies)\nMoney Forward Library: We have a library system where you can freely borrow books, ranging from technical books to management books. Desired books can be purchased at the company's expense.\nReferral Driven: We cover the cost of recruitment meals. There is a referral reward system.\nConference Participation Support: The company partially covers participation in domestic and international conferences, such as RubyKaigi and Google I/O.\n職種 / 募集ポジション\nBackend Developer (Kotlin/Java + Spring Boot), Money Forward X, Tokyo\n雇用形態\n正社員\n給与\n年収 6,408,000円 〜 9,504,000円\nMonthly salary system\n※Includes fixed allowances for up to 45 hours of legal overtime, legal holiday work, and 40 hours of late-night work.\n勤務地\n108-0023 21F Tamachi Station Tower S, msb Tamachi, 3-1-21 Shibaura, Minato-ku, Tokyo\nSalary System\n\nMin 534,000 JPY / month（6,408,000 JPY / year）〜792,000 JPY / month（9,504,000 JPY / year）\nEach including fixed allowances of 155,489 JPY〜230,617 JPY / month.\nBonus\nA「High Performance Bonus」may be paid to employees who receive high evaluations based on semi-annual evaluations in addition to their salary.\n※Please note that the remuneration of the High Performance Bonus is subject to change according to the company's performance.\nProbation Period\n3 months from join date\nWorking Hour System\nDiscretionary Labor System for Professional Work\n※Conditions apply; subject to change to Flextime System.\nWorking Hours\n9:30 - 18:30 (60 min break) are the basic working hours. However, employees are able to choose their working hours at their own discretion.\n※There is potential for overtime work outside the determined hours.\nWork Style Policy\nHybrid work style\n・As a standard practice, employees are required to work at the office a minimum of 2 days per week. Employees are encouraged to spend 3 or more days in the office. (This policy may be subject to change based on the company and job circumstances)\n・The specific \"team office days\" may vary depending on the assigned team.\nHolidays/Vacations\nSaturdays / Sundays / Japanese national holidays\nPaid holidays\nSummer holidays (3 days)\nWinter holidays (2 days)\nYear-end and New Year’s holidays (Dec 31st～Jan 3rd)\nBenefits\nVarious social insurances (employee pension, health insurance, employment insurance, industrial accident compensation insurance)\nNeighborhood housing allowance and neighborhood moving allowance\nSalary-based rent deduction benefit\nHealth check and gynecological checkup\nInfluenza vaccine\nBook purchases support\nDefined-contribution corporate pension\nEmployee stock ownership plan\nPreferential treatment when using the following services（limited to businesses under contract with Money Forward）\n- Rental agency\n- Housekeeping services\n- Babysitting\n- Online English conversation school\nSelection Process１\nCasual interview/Document Screening\n↓\nFirst interview (Depending on the position, there may be a technical assignment before the interview.)\n↓\nSeveral interviews (The number of interviews depends on the position. We will request you to take an aptitude assessment.)\n↓\nFinal interview (We may ask for a reference check before or after the interview.)\n↓\nJob offer/Offer meeting\n※The process may be subject to change depending on the case.\nAbout the Aptitude Test\nIt is a simple web-based survey taking around 20 minutes to complete.\nSelection Process２\nAbout the Aptitude Test\nIt is a simple web-based survey taking around 20 minutes to complete.\nWhat are reference checks?\nMoney Forward may ask for your cooperation with reference checks using a reference check service tool. We believe that mutual understanding is limited to the selection process alone. Therefore, we would like to gather information about you from your supervisor and colleagues at your current or former company to ensure a more reliable match and facilitate your early success after joining our company.\n※We do not make employment decisions based solely on the contents of reference checks.\n※The fact that you are in the selection process with us will not be disclosed to referees.\nNotes\n・Range of change in job description: Work as determined by the company\n・Range of change in work location: Work location as determined by the company\nReference Information\nhttps://recruit.moneyforward.com/#introduction\n会社情報\n会社名株式会社マネーフォワード\n代表者\n代表取締役社長グループCEO 辻 庸介\n創業\n2012年5月\n取締役\n金坂 直哉\n中出 匠哉\n竹田 正信\n石原 千亜希\n社外取締役\n安武 弘晃\n宮澤 弦\nRyu Kawano Suliawan\n菊間 千乃\n芦田 健\n上田 梨々子\n監査役\n畠山 優実\n田中 克幸\n西山 茂\nグループCxO・VPox\n上利 陽太郎\n瀧 俊雄\n山田 一也\n坂 裕和\n松岡 俊\n伊藤 セルジオ 大輔\n関田 雅和\n松久 正幸\n野村 一仁\n長尾 祐美子\n金井 恵子\n梅田 康吉\n丸山 嘉伸\n執行役員\n田平 公伸\n本川 大輔\n冨山 直道\n永井 博\n駒口 哲也\n廣原 亜樹\n島村 誠一郎\n永井 七奈\n木村 慎治\n吉本 憲文\n工藤 裕之\n島内 広史\n小山 幸宏\n渡辺 恵伍\n松村 道夫\n岩崎 大\n渋谷 亮\nオフィス\n本社オフィス\n〒108-0023 東京都港区芝浦3-1-21 msb Tamachi 田町ステーションタワーS 21F\n北海道支社\n〒060-0061 北海道札幌市中央区南一条西4-5-1 札幌大手町ビル3階\n東北支社\n〒980-0021 宮城県仙台市青葉区中央2-2-10 仙都会館 5F\n東海支社、名古屋開発拠点\n〒450-6213 愛知県名古屋市中村区名駅4-7-1 ミッドランドスクエア 13F\n京都支社、京都開発拠点\n〒604-8004 京都府京都市中京区三条通河原町東入中島町78番地 明治屋京都ビル 4階\n関西支社、大阪開発拠点\n〒541-0042 大阪府大阪市中央区今橋 2-5-8 トレードピア淀屋橋 9階\n広島支社\n〒730-0015 広島市中区橋本町9-7 ビル博丈5F\n九州・沖縄支社、福岡開発拠点\n〒810-0041 福岡県福岡市中央区大名2丁目6-50 福岡大名ガーデンシティ 16F\n社内コミュニケーション活性化の取り組み\n全社週次/月次朝会/半期総会\n代表との意見交換会（CEOセッション）\n全社懇親会（MF Happy Hour）\n他部門社員との交流会（シャッフルランチ・ディナー）\n上長との定期1on1（ツキイチ面談）\n社内公募制度（MFチャレンジシステム）\n社員満足度調査（MFグループサーベイ）\n※一部正社員のみ\n労働条件\n屋内原則禁煙（喫煙室あり）等\n中途採用比率\n2021年11月末 93.8％\n2022年11月末 90.0%\n2023年11月末 76.6％\n2024年11月末 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