Banks and financial institutions in Indonesia can choose from local software engineering firms, fintech specialists, product studios, and technology consultancies with direct banking experience. The companies below cover areas such as digital banking applications, lending systems, core banking, API integrations, workflow automation, mobile banking, and financial platform modernization.

1. Itexus
Itexus develops custom fintech and banking software for banks, neobanks, credit unions, BaaS providers, and other financial organizations. Its banking capabilities cover mobile and online banking, digital account opening, KYC workflows, lending, payments, card management, open banking, transaction monitoring, and core banking integration.
The company also handles legacy modernization, cloud engineering, financial platform integrations, and ongoing production support. This combination makes Itexus relevant for Indonesian organizations that need an international engineering partner for a new banking product or a modernization project involving existing infrastructure and third-party financial services.
Key Facts
- Best for: Custom digital banking and fintech platforms
- Core services: Banking software development, mobile banking apps, fintech development, integration, modernization
- Specialization: Regulated financial software and complex integrations
- Industries: Banking, fintech, payments, lending, wealth management
- Location: United States headquarters with European development offices
- Geographic coverage: Serves financial organizations internationally
Contact Information
- Website: itexus.com
- Email: moc.suxeti@ofni
- Address: 8, The Green, STE road, Dover, DE 19901
- Facebook: www.facebook.com/itexus
- Instagram: www.instagram.com/itexus.soft
- LinkedIn: www.linkedin.com/company/itexus-fintech-software
- Twitter: x.com/ItexusSoft
2. Mitrais
Mitrais combines custom software development with a substantial delivery presence in Indonesia. The company works with financial services and fintech organizations and operates development centers in locations including Jakarta, Bali, Yogyakarta, and Bandung.
Its banking experience is particularly relevant. Mitrais worked with BTPN on digital banking application development and supported Bank Jago with software development and testing for its mobile banking application. The company also provides custom application development, team augmentation, cloud work, and software modernization, giving banks several engagement options depending on whether they need a complete delivery team or additional engineering capacity.
Key Facts
- Best for: Large banking application development and engineering teams
- Core services: Custom software development, application development, testing, team augmentation
- Specialization: Digital banking and enterprise software
- Industries: Financial services, fintech, insurance, software
- Location: Headquarters in Indonesia with offices in Jakarta, Bali, Yogyakarta, and Bandung
- Notable banking experience: BTPN and Bank Jago
Contact Information
- Website: www.mitrais.com
- Phone: (+6221) 527 7636
- Address: Gedung Wirausaha, 8th Floor, Jl. H.R. Rasuna Said Kav. C5, Jakarta Selatan, DKI Jakarta 12940
- LinkedIn: www.linkedin.com/company/mitrais
- Instagram: www.instagram.com/mitrais
- Facebook: www.facebook.com/mitraisofficial
- Twitter: x.com/mitrais

3. Sagara Technology
Sagara Technology has a dedicated fintech division focused on financial technology systems. Its published capabilities cover banking, fintech, multifinance, insurance, securities, accounting, and investment-related applications.
The company has worked on projects connected with BRI, BRI Agro, Danamon, KoinWorks, and Amartha. Its fintech development capabilities include payment and settlement functionality, virtual accounts, payment channel integrations, P2P lending, crowdfunding mechanisms, credit scoring, and investment technology. With offices in Jakarta and Bandung, Sagara is a practical option for organizations that want an Indonesian development partner with direct exposure to local banking and fintech products.
Key Facts
- Best for: Banking, lending, and payment software projects
- Core services: Web development, mobile development, fintech software development
- Specialization: Financial technology systems
- Industries: Banking, fintech, multifinance, insurance, securities
- Location: Jakarta and Bandung, Indonesia
- Notable banking experience: BRI, BRI Agro, Danamon
Contact Information
- Website: sagaratechnology.com

4. DOT Indonesia
DOT Indonesia provides custom software development and dedicated financial software services from its Indonesian offices. The company works across finance and banking and offers financial software development consulting, modernization, implementation, maintenance, integrations, and technology advisory.
Its portfolio includes work involving Hijra Bank and other finance-focused platforms. DOT can also develop mobile and web applications using technologies such as Java, C#, Golang, Kotlin, Swift, Flutter, React, and Vue. For banks that need a local engineering company able to combine custom development with system integration and legacy modernization, its service mix is directly relevant.
Key Facts
- Best for: Custom financial systems and modernization
- Core services: Financial software development, mobile development, integrations, modernization, maintenance
- Specialization: Enterprise and financial applications
- Industries: Banking, finance, mining, energy, agriculture
- Location: Jakarta and Malang, Indonesia
- Notable banking project: Hijra Bank
Contact Information
- Website: www.dot.co.id
- Email: di.oc.tod@rentrapraed
- Phone: +62 812 9257 5575
- Address: Millenium Centennial Center lt. 39, Jl. Jend. Sudirman Kav. 25, Setiabudi, Jakarta Selatan 12920
- LinkedIn: www.linkedin.com/company/dot-indonesia
- Instagram: www.instagram.com/dot.indonesia
- Facebook: www.facebook.com/dotindonesia
5. Javan Cipta Solusi
Javan Cipta Solusi develops custom enterprise systems and business process automation solutions from offices in Yogyakarta and Jakarta. Banking and finance are established parts of its client portfolio, which includes BRI, BTPN, BTPN Syariah, and Bank NTT.
One recent BRI project involved developing an Operations Console and Workflow Management System integrated with payment, reconciliation, cash, and card backends. Javan also offers loan origination workflows, system integration, legacy modernization, process automation, and custom application development. This focus makes the company particularly suitable for banks working on internal operational platforms rather than only customer-facing mobile apps.
Key Facts
- Best for: Banking workflow automation and internal systems
- Core services: Custom development, process automation, system integration, legacy modernization
- Specialization: BPMN-based enterprise systems
- Industries: Banking, finance, government, telecommunications
- Location: Yogyakarta and Jakarta, Indonesia
- Notable banking clients: BRI, BTPN, BTPN Syariah, Bank NTT
Contact Information
- Website: javan.co.id
- Email: di.oc.navaj@ssenisub
- Phone: +62 812-2783-5715
- Address: District 8, Treasury Tower Lt.6 Unit F, Jl. Jend. Sudirman Kav. 52-53, SCBD Lot 28 RT.005 RW.003, Senayan, Kebayoran Baru, Jakarta Selatan
- LinkedIn: www.linkedin.com/company/javanciptasolusi
- Facebook: www.facebook.com/people/PT-Javan-Cipta-Solusi/61579428173697
- Twitter: x.com/JavanCS
6. USSI
USSI is one of the more specialized companies on this list because its products are directly focused on financial institutions and microbanking. The company develops core banking and digital financial services technology for organizations such as rural banks, cooperatives, and Islamic microfinance institutions.
Its SISPRO product is a web-based core microbanking system covering customer records, savings, collateral, and integrations with digital financial services. USSI has also worked on payment and banking integrations, including a collaboration using BRI APIs. Organizations looking for established core banking technology for smaller financial institutions may find its product-led approach more relevant than a general custom development agency.
Key Facts
- Best for: Core banking and microfinance systems
- Core services: Core banking, digital financial services, banking integrations, hosted banking infrastructure
- Specialization: Microbanking and financial institution technology
- Location: Bandung, Indonesia
- Banking focus: BPR, cooperatives, microfinance, Islamic financial institutions
Contact Information
- Website: ussi.co.id
- Email: di.oc.issu@liam
- Phone: 0811-9018-005
- Address: Regency Blok A2 No.6-8, Jl. Gading Utama, Cisaranten Endah, Kec. Arcamanik, Kota Bandung, Jawa Barat 40292
- Instagram: www.instagram.com/ussicorp
7. Suitmedia
Suitmedia is a digital transformation and software development company headquartered in Jakarta, with additional Indonesian offices in Bandung, Yogyakarta, and Malang. Its services include mobile app development, web platforms, digital product development, design, and enterprise transformation.
The company's current banking work includes a 2025-2026 project for Bank CTBC Indonesia involving the transformation of internet and mobile banking interfaces. Suitmedia has also worked with Credit Bureau Indonesia on the development of its Skorku mobile application. This combination of product engineering and UX work makes Suitmedia particularly relevant when a banking project includes both customer experience and application development requirements.
Key Facts
- Best for: Customer-facing digital banking products
- Core services: Mobile apps, web development, UI/UX, digital product development
- Specialization: Digital transformation and product experience
- Industries: Banking, financial services, enterprise, consumer services
- Location: Jakarta, Bandung, Yogyakarta, and Malang, Indonesia
- Notable financial clients: Bank CTBC Indonesia, Credit Bureau Indonesia
Contact Information
- Website: suitmedia.com
- Email: moc.aidemtius@tcatnoc
- Address: Jl. Pekayon 1 No.26, Ps. Minggu, Jakarta Selatan, DKI Jakarta, Indonesia 12540
- LinkedIn: www.linkedin.com/company/suitmedia
- Instagram: www.instagram.com/suitmedia
- Facebook: www.facebook.com/suitmedia
- Twitter: x.com/suitmedia

8. Dihardja Software
Dihardja Software develops web platforms, mobile applications, automation systems, and other custom digital products from Tangerang Selatan. Its portfolio includes fintech work as well as projects in healthcare, retail, government, and other sectors.
A clear example of its financial development experience is Gradana, an Indonesian P2P lending platform. Dihardja helped design and develop the original web MVP before extending the product to iOS and Android applications. That type of full product lifecycle experience can suit fintech businesses and financial organizations that need a development partner for an early product, customer portal, lending application, or related financial platform.
Key Facts
- Best for: Fintech products and mobile financial applications
- Core services: Digital product development, mobile apps, web applications, automation
- Specialization: Custom product engineering
- Industries: Fintech, healthcare, retail, government
- Location: Tangerang Selatan, Indonesia
- Notable fintech project: Gradana
Contact Information
- Website: dihardjasoftware.com
- Email: moc.erawtfosajdrahid@olleh
- Phone: +62 8221 000 5856
- Address: Ruko Prominence 38G No.37, Alam Sutera, Tangerang Selatan, Indonesia
- LinkedIn: www.linkedin.com/company/dihardjasoftware
- Instagram: www.instagram.com/dihardjasoftware
9. Ice House
Ice House is a Jakarta-based product development company that designs, develops, and maintains mobile applications and backend systems. Financial services are one of the industries represented in its portfolio, alongside transportation, healthcare, ecommerce, and other consumer sectors.
Its engineering services cover native iOS and Android applications, Flutter and React Native development, web applications, backend software, payment gateway integrations, testing, deployment, and post-launch support. Ice House is therefore more relevant to banks seeking mobile and digital channel development than organizations looking specifically for an off-the-shelf core banking platform.
Key Facts
- Best for: Mobile banking and customer-facing applications
- Core services: Mobile development, backend development, web applications, product design
- Specialization: Mobile product engineering
- Industries: Financial services, transportation, ecommerce, healthcare
- Location: Jakarta, Indonesia
Contact Information
- Website: icehousecorp.com
- Email: moc.procesuoheci@olleh
- Phone: +62 21 509 28856
- Address: JustCo, Sequis Tower, Level 17 Jl. Jend. Sudirman No. 71 Jakarta 12190
- LinkedIn: www.linkedin.com/company/ice-house
- Instagram: www.instagram.com/lifeaticehouse
10. Aleph
Aleph works on digital products that combine strategy, user experience, frontend engineering, and backend development. Its direct banking experience in Indonesia includes work with PermataBank.
For that engagement, Aleph worked across PermataBank's digital banking products, including its website, PermataMobile X, PermataAPI, PermataNet, and Permatae-Business. The project involved digital strategy, UX/UI, interaction design, frontend development, and backend development. This makes Aleph a relevant option for banking organizations where product design and digital customer experience need to be developed alongside the underlying software.
Key Facts
- Best for: Digital banking experience and application engineering
- Core services: Digital strategy, UX/UI, frontend development, backend development
- Specialization: Digital product design and engineering
- Industries: Banking and digital services
- Notable banking client: PermataBank
Contact Information
- Website: www.aleph-labs.com
- Email: moc.sbal-hpela@aisenodni
- Address: Centennial Tower 37th Floor Zone E Jl. Gatot Subroto No.24-25 Jakarta Selatan DKI Jakarta 12930, Indonesia
- LinkedIn: www.linkedin.com/company/aleph-labs
- Instagram: www.instagram.com/aleph\_labs
11. Indocyber Global Teknologi
Indocyber Global Teknologi provides enterprise IT solutions with a strong financial services component. Its finance-oriented portfolio includes lending and finance solutions, anti-money laundering systems, bank and corporate treasury technology, loan origination systems, API management, integration platforms, workflow automation, and IT professional services.
The company has also partnered with Vymo to deliver sales engagement technology for banks and insurers. Compared with mobile-first development studios, Indocyber is better aligned with organizations that need enterprise integration, regulatory systems, workflow technology, or specialist IT resources across a larger banking technology environment.
Key Facts
- Best for: Enterprise banking systems and integration
- Core services: Loan origination, treasury solutions, AML systems, API integration, IT professional services
- Specialization: Enterprise information systems
- Industries: Banking, finance, insurance
- Location: Indonesia
Contact Information
- Website: www.indocyber.co.id
- Email: di.oc.rebycodni@ofni
- Phone: +62 21 566 3704
- Address: Block C No. 9-10, Daan Mogot Street Kav. 119, West Jakarta, Indonesia
- LinkedIn: www.linkedin.com/company/indocyber-global-teknologi-pt
- Instagram: www.instagram.com/indocyber.id

12. MitraComm Ekasarana
MitraComm Ekasarana, part of Phintraco Group, has experience developing customer-facing technology for Indonesian financial institutions. One documented project involved building the AKSES application for Adira Finance, including Android and web-based functionality for contract information, installment history, payment-related services, credit simulations, reminders, and customer information.
The company has also supported financial organizations such as BCA through other digital service operations within the Phintraco ecosystem. Its experience is most relevant for financial companies seeking customer service applications, mobile channels, and integrated digital service platforms rather than a pure core banking replacement.
Key Facts
- Best for: Financial service applications and customer digital channels
- Core services: Mobile applications, web applications, digital customer solutions
- Specialization: Customer-facing enterprise applications
- Industries: Banking, financial services, customer service
- Location: Indonesia
- Notable financial project: AKSES Adira Finance
Contact Information
- Website: mitracomm.com
- Email: moc.ocartnihp@gnitekram
- Phone: +6221 2555 6168
- Address: The East Tower, Jl. DR. Ide Anak Agung Gde Agung Kav. E.3.2 No.1 Kawasan Mega Kuningan Jakarta 12950, Indonesia
- LinkedIn: www.linkedin.com/company/mitracommekasarana
- Instagram: www.instagram.com/mitracommekasarana.official
- Facebook: www.facebook.com/mitracommekasarana.official
Conclusion
Indonesia has a varied banking technology market, with providers covering everything from customer-facing mobile apps and lending platforms to core banking, integrations, workflow automation, and legacy system modernization. The right choice depends largely on the scope of the project. Some companies on this list are better suited to local banking infrastructure and operational systems, while others bring broader fintech product development and international engineering experience.
When comparing banking software development companies in Indonesia, look beyond the service list. Relevant financial-sector experience, integration capabilities, security practices, and the ability to support a product after launch are just as important. A provider that understands both the technical requirements and the realities of financial software can make it easier to build, modernize, and maintain systems that need to perform reliably over the long term.