Indonesia's fintech market creates demand for engineering teams that understand both software development and financial workflows. The companies below were selected for verifiable work in banking, payments, lending, digital finance, financial software, or related fintech systems, together with a defensible connection to the Indonesian market.
1. Itexus
Itexus focuses heavily on fintech engineering for banks, financial institutions, brokers, investment businesses, and technology companies in Indonesia. Its development scope covers digital banking, lending, digital wallets, payment infrastructure, trading and brokerage platforms, wealth management systems, KYC and AML workflows, and core banking integration. The company also handles legacy modernization, cloud engineering, QA, and security work for regulated financial products. Itexus reports more than 300 fintech projects for clients across 23 countries, making its delivery model suitable for Indonesian companies open to working with an international fintech development team.
Key Facts
- Best for: Complex banking, investment, payments, lending, and financial platform projects
- Core services: Fintech software development, fintech apps, AI implementation, DevOps, QA, cybersecurity
- Fintech areas: Digital banking, trading, wealth management, payments, lending, digital assets
- Project experience: 300+ fintech projects
- Delivery model: International software engineering and dedicated development teams
Contact Information
- Website: itexus.com
- E-mail: moc.suxeti@ofni
- Facebook: www.facebook.com/itexus
- Twitter: x.com/ItexusSoft
- LinkedIn: www.linkedin.com/company/itexus
- Instagram: www.instagram.com/itexus.soft
- Address: 8, The Green, STE road, Dover, DE 19901
2. PT. Dwidasa Samsara Indonesia
Dwidasa Samsara Indonesia develops software specifically for banking and financial-sector applications. Its work includes front-end financial applications and digital banking platforms designed for institutions that need technology closely aligned with financial operations.
The company also applies structured information security practices to its software development lifecycle. Its combination of financial-sector focus and experience with digital banking makes it particularly suitable for banks and other institutions looking for a locally established Indonesian technology partner.
Key Facts
- Best for: Banks and financial institutions requiring specialized digital banking software
- Core services: Banking software development, financial front-end applications, digital banking platforms
- Specialization: Banking and financial-sector systems
- Certification: ISO/IEC 27001:2022
- Location: Tangerang, Indonesia
Contact Information
- Website: dwidasa.com
- Email: moc.asadiwd@ytinummoc
- Phone: +62 21 5314 1135
- Address: Ruko Jalur Sutera 29A No. 53, Alam Sutera Serpong, Tangerang 15323, Indonesia
3. Adi Data Informatika
Adi Data Informatika combines custom software development with experience across banking, financial services, insurance, and capital markets. Its capabilities include mobile banking and e-wallet systems alongside broader software engineering and enterprise technology services.
The company can also support QA, IT consulting, and technology outsourcing, which is useful when a fintech project requires more than application development alone. Its Jakarta presence gives Indonesian financial organizations access to a provider familiar with both local enterprise environments and digital financial channels.
Key Facts
- Best for: Banking and financial companies combining software delivery with IT consulting
- Core services: Software development, mobile banking, e-wallet solutions, QA, IT consulting
- Industries: Banking, financial services, insurance, capital markets
- Location: West Jakarta, Indonesia
- Notable focus: Digital financial channels and enterprise software
Contact Information
- Website: www.adidata.co.id
- Email: di.oc.atadida@gnitekram
- LinkedIn: www.linkedin.com/company/adi-data-informatika
- Instagram: www.instagram.com/adidata.informatika
- Phone: +62 21 5366 0016
- Address: Gedung Graha Kencana, Jl. Perjuangan No. 88, Kebon Jeruk, West Jakarta 11530, Indonesia
4. Dihardja Software
Dihardja Software develops web platforms, mobile applications, APIs, and AI-powered products for businesses in Indonesia. Its fintech experience includes Gradana, a peer-to-peer property financing platform for which the company worked on the website and mobile applications.
Its financial technology work also extends into analytics and forecasting through projects such as Echelor. This mix makes Dihardja Software a practical option for fintech startups that need complete digital products rather than isolated technical components.
Key Facts
- Best for: Fintech startups and companies building mobile, web, or AI-enabled finance products
- Core services: Digital product development, web apps, mobile apps, API development, AI solutions
- Fintech experience: Lending platforms and financial analytics
- Relevant projects: Gradana, Echelor
- Location: Tangerang Selatan, Indonesia
Contact Information
- Website: dihardjasoftware.com
- Email: moc.erawtfosajdrahid@olleh
- LinkedIn: www.linkedin.com/company/dihardjasoftware
- Instagram: www.instagram.com/dihardjasoftware
- Phone: +62 8221 000 5856
- Address: Ruko Prominence 38G No. 37, Alam Sutera, Tangerang Selatan, Indonesia
5. Mitrais
Mitrais provides custom software engineering from several Indonesian development locations and works with clients across multiple industries, including financial services. Its engineering teams handle new product development, system modernization, integration, and long-term software delivery.
With a large development workforce and experience managing substantial software programs, Mitrais can suit banks, fintech companies, and other financial organizations that need broader engineering capacity. Its model is especially applicable to projects that require ongoing development rather than a small one-time build.
Key Facts
- Best for: Larger fintech and financial-services software programs
- Core services: Custom software development, digital transformation, system integration, development teams
- Industry experience: Financial services and fintech
- Engineering team: 500+ engineers
- Indonesian locations: Bali, Jakarta, Bandung, Yogyakarta
Contact Information
- Website: mitrais.com
- Facebook: www.facebook.com/mitraisofficial
- Twitter: x.com/mitrais
- LinkedIn: www.linkedin.com/company/mitrais
- Instagram: www.instagram.com/mitrais
- Phone: +62 21 527 7636
- Address: Gedung Wirausaha, 8th Floor, Jl. H.R. Rasuna Said Kav. C5, Jakarta Selatan 12940, Indonesia
6. Ice House
Ice House develops mobile applications and the backend systems required to support them. Financial services is part of its industry experience, giving the company a foundation for building customer-facing products where usability and reliable mobile performance are important.
Its mobile-first development approach can fit digital banking, payments, account-management, and other fintech applications aimed directly at consumers. Companies that need product design, engineering, and long-term application maintenance can also keep several parts of the development lifecycle with the same provider.
Key Facts
- Best for: Mobile-first fintech and digital banking products
- Core services: Mobile application development, backend development, product design, application maintenance
- Industry experience: Financial services
- Specialization: Consumer mobile products and supporting backend systems
- Location: Jakarta, Indonesia
Contact Information
- Website: icehousecorp.com
- E-mail: moc.procesuoheci@olleh
- LinkedIn: www.linkedin.com/company/ice-house
- Instagram: www.instagram.com/lifeaticehouse
- Phone: +62 21 509 28856
- Address: JustCo, Sequis Tower, Level 17, Jl. Jend. Sudirman No. 71, Jakarta 12190, Indonesia
7. Badr Interactive
Badr Interactive works across custom software, mobile applications, APIs, data platforms, and digital product engineering. Its fintech experience includes development for Flip, where its work involved backend systems, mobile development, microservices, and payment-related functionality.
The company also handles API development and integration with payment gateways such as Midtrans, Xendit, and Stripe. This combination can suit Indonesian fintech companies that need to connect customer applications with payment infrastructure and other external financial services.
Key Facts
- Best for: Indonesian fintech products requiring custom applications and API integration
- Core services: Custom software, mobile apps, API development, UI/UX, data processing
- Fintech experience: Digital payments and financial product development
- Relevant project: Flip
- Locations: South Jakarta and Depok, Indonesia
Contact Information
- Website: badr.co.id
- Email: moc.evitcaretni-rdab@olleh
- Facebook: www.facebook.com/badrinteractive
- LinkedIn: www.linkedin.com/company/badr-interactive
- Instagram: www.instagram.com/badrinteractive
- Phone: +62 812 8816 7422
- Address: AD Premier Lt. 5 Suite 6, Jl. TB Simatupang No. 5, Jakarta Selatan 12550, Indonesia
8. Aetherica
Aetherica develops custom financial software from Jakarta, with capabilities spanning traditional fintech and blockchain-based financial systems. Its work covers wallets, payment processing, approval workflows, KYC and AML integration, payment gateways, financial operating systems, APIs, and mobile applications.
Its technology stack includes tools for web, mobile, cloud, and financial integration, including connections with Indonesian payment providers. Aetherica is therefore particularly suited to projects where payment processing, identity verification, financial workflows, and newer digital-asset functionality intersect.
Key Facts
- Best for: Fintech platforms combining payments, financial workflows, APIs, and Web3
- Core services: Custom fintech development, financial systems, payment integration, KYC/AML integration
- Technologies: Node.js, Python, React, React Native, Flutter, AWS
- Payment integrations: Xendit, Midtrans, Stripe
- Location: Jakarta, Indonesia
Contact Information
- Website: www.aetherica.com
- Facebook: www.facebook.com/aetherica
- Twitter: x.com/aetherica247
- Instagram: www.instagram.com/aetherica247
- Phone: +62 8111 0000 434
- Address: The Kensington Office Tower, 9th Floor, Unit I-2, Jl. Boulevard Raya No. 1, Kelapa Gading, Jakarta 14240, Indonesia
9. PT Swadharma Duta Data
Swadharma Duta Data provides technology solutions for banks and other financial-services organizations in Indonesia. Software development forms part of a broader offering that includes financial applications, IT infrastructure, managed services, and systems supporting day-to-day banking operations.
Its financial solutions include credit card origination, digital customer-service technology, banking inventory systems, and card-related applications. The company is consequently more aligned with established financial institutions upgrading operational systems than with startups looking only for a lightweight consumer application.
Key Facts
- Best for: Banks requiring operational and customer-service software
- Core services: Software development, IT infrastructure, managed services
- Financial solutions: Credit card origination, digital customer service, banking inventory systems
- Industry focus: Financial services and banking
- Location: East Jakarta, Indonesia
Contact Information
- Website: www.swadharma.com
- LinkedIn: www.linkedin.com/company/ptsdd
- Instagram: www.instagram.com/swadharmadutadata
- Phone: +62 21 2937 3636
- Address: Jl. Dewi Sartika No. 262, Cawang, Kramat Jati, Jakarta Timur 13630, Indonesia
10. Hanoman Cendekia Interaktif
Hanoman Cendekia Interaktif works across enterprise software, system integration, Java development, and financial technology. Its technical focus includes transaction-intensive applications, middleware, transaction routing, tokenization, and monitoring tools that can support complex financial environments.
Banking and insurance organizations form part of its market, making the company particularly applicable to projects involving connections between legacy applications and newer digital channels. Its integration capabilities are also useful where financial institutions need different systems to exchange data reliably.
Key Facts
- Best for: Banking integration and transaction-processing projects
- Core services: System integration, Java development, enterprise software, financial technology
- Fintech capabilities: Transaction routing, tokenization, integration, business monitoring
- Industries: Banking, insurance, government
- Location: South Jakarta, Indonesia
Contact Information
- Website: www.hanoman.co.id
- E-mail: di.oc.namonah@ofni
- LinkedIn: www.linkedin.com/company/pt--hanoman-cendekia-interaktif
- Instagram: www.instagram.com/hanoman.interaktif
- Phone: +62 21 8370 3933
- Address: Jl. Tebet Timur Dalam II No. 16, Jakarta Selatan, Indonesia
11. Assist Software Indonesia Pratama
Assist Software Indonesia Pratama develops financial technology for Indonesian banks, BPRs, BPRSs, BMTs, and cooperatives. Its products include core banking systems, digital banking platforms, mobile collection applications, mobile cash tools, and supporting financial workflows.
Its technology is built around the requirements of Indonesian financial institutions, including connections with existing core banking environments and local operational processes. That specialization makes Assist Software a focused option for regional banks and smaller financial organizations that need systems suited to the Indonesian market.
Key Facts
- Best for: BPR, BPRS, BMT, cooperative, and regional banking technology
- Core services: Core banking, digital banking, mobile collection, mobile cash applications
- Market focus: Indonesian financial institutions
- Customization: Digital banking branding and workflows can be adapted
- Location: Malang, East Java, Indonesia
Contact Information
- Website: assistindo.id
- E-mail: moc.odnitsissa@vedsub
- Phone: (0341) 419004
- Address: Jl. Pondok Blimbing, Indah Blok E, No.14, RT 009 RW 005, Kel. Polowijen, Kec. Blimbing, Kota Malang, Jawa Timur 65126
Conclusion
Fintech software development companies in Indonesia cover everything from core banking and transaction systems to digital wallets, lending products, mobile banking, payment integrations, and financial analytics. The right provider depends largely on whether a project requires deep banking expertise, consumer product development, complex integrations, or additional engineering capacity.
Before selecting a development partner, companies should compare relevant fintech experience, security capabilities, integration expertise, delivery structure, and long-term support options. Matching these factors to the specific financial product helps narrow the field to providers with experience that fits the technical and operational requirements.