Jobs at Ajaib

Build and maintain shared Android platform foundations, including architecture, modular libraries, design systems, SDKs, security features, and release tooling. Own features from design through support, improve build performance and CI/CD, establish quality metrics, investigate production issues, conduct code reviews, and mentor engineers. The role requires strong Kotlin and Android expertise, Jetpack Compose, multi-module development, Gradle, testing, security, and performance optimization experience.

Build and maintain backend services and APIs for US stock trading, funding, portfolios, market data, and corporate actions. Develop reliable integrations with brokerage and custody partners, ensuring safe handling of failures, duplicates, reconciliation, money movement, and audit trails. Deliver tested, monitored production features, investigate incidents, and collaborate with Product, Operations, and Compliance. Contribute to smart order routing, real-time market data, order lifecycles, partial fills, and concurrent partner API integrations.

Own and scale backend services for US stock trading, including order routing, brokerage integrations, market data, portfolios, balances, reconciliation, and corporate actions. Design reliable APIs and event-driven systems, ensure accurate financial processing, manage production incidents, improve observability, and optimize performance during market volatility. Mentor engineers, lead design and code reviews, and drive architectural improvements across the trading domain.

Produces audio and video content for social media and marketing campaigns. Develops motion graphic concepts, layouts, and design plans; records, synchronizes, and edits video and sound projects; and collaborates with creative and marketing teams on brand-awareness initiatives.

Build and maintain shared web foundations, including component libraries, design systems, shared packages, application shells, authentication, and release tooling. Own features through design, implementation, testing, deployment, and support. Improve monorepo performance, CI/CD, accessibility, security, and Core Web Vitals. Investigate production issues, establish quality standards, review code, mentor engineers, and support product teams using the platform.

Lead the technical direction for shared platform foundations, including identity, core services, APIs, observability, developer tooling, reliability, and security. Design scalable multi-tenant systems, establish company-wide standards, lead cross-team migrations, investigate production incidents, and drive architecture decisions. The role partners across engineering, product, security, infrastructure, and architecture while mentoring senior engineers and contributing hands-on to critical implementations.

Manage daily transaction flows, settlement processing, real-time reconciliation, transaction monitoring, and exception resolution. Maintain accurate records, investigate discrepancies, coordinate with internal and external stakeholders, and improve settlement processes while adhering to procedures, controls, and regulations.

Manage daily cash flow, liquidity, banking transactions, reconciliations, treasury reporting, internal controls, and regulatory compliance. Forecast cash requirements, support cash management strategies, investigate discrepancies, minimize financial risk, and collaborate with banks and cross-functional teams to improve treasury processes.

Owns the design, development, reliability, security, and operation of shared backend services and APIs used across product teams. Responsibilities include identity and access management, resilient service architecture, observability, incident response, API lifecycle management, design and code reviews, and mentoring engineers. The role collaborates with product engineering, Security, Infrastructure, and Architecture teams to deliver scalable platform capabilities.

Execute end-to-end influencer marketing campaigns across investment, crypto, and banking products. Responsibilities include sourcing and managing influencers and KOLs, negotiating partnerships, coordinating content production, monitoring campaign performance, managing budgets and timelines, and collaborating with marketing, creative, product, and business teams to grow brand awareness, user acquisition, and engagement.

Build and maintain shared backend services and APIs for authentication, notifications, configuration, and API gateways. Deliver production-ready features with testing, monitoring, alerting, documentation, and backward compatibility. Develop secure, reliable, high-performing services using microservices, messaging, caching, and cloud infrastructure. Investigate production issues, improve reliability, and collaborate with product engineering, Security, and Infrastructure teams.

Build and maintain backend services and APIs for accounts, balances, transfers, and payments. Implement well-scoped features with unit and integration tests while following exact money-handling, transaction, audit, and idempotency requirements. Support bank and payment integrations, batch and reconciliation jobs, code reviews, technical documentation, and production issue resolution. Collaborate with senior engineers, Product, and Operations while developing toward independent feature ownership.

Own the design, development, and operation of secure backend services for accounts, ledgers, balances, transfers, payments, bank integrations, reconciliation, and settlement. Build reliable money flows with strong correctness, auditability, observability, and resilience. Lead design and code reviews, investigate incidents, mentor engineers, manage production services, and collaborate with Product, Finance, Operations, Risk, Compliance, and Security.

Build and maintain backend services for customer accounts, balances, transfers, payments, statements, and batch processing. Design reliable APIs and transaction workflows with exact processing, safe retries, audit trails, reconciliation, monitoring, and alerting. Integrate with banks and payment partners, investigate production issues, write tested code, participate in reviews, and collaborate with Product, Finance, Operations, Risk, and Compliance teams.

Sets technical direction for large-scale backend systems handling customer money, including ledgers, payments, bank integrations, reconciliation, settlement, and fraud controls. Designs fault-tolerant distributed services, drives reliability, observability, security, capacity planning, and disaster recovery. Leads incident investigations, cross-team technical initiatives, architecture reviews, and engineering standards while mentoring senior engineers and remaining hands-on with critical implementations.

Build and maintain backend services and APIs supporting stock trading, market data, portfolios, and transaction history. Deliver production-ready features with testing, monitoring, alerting, accurate financial processing, audit trails, and safe retries. Integrate with exchanges, clearinghouses, banks, and internal systems. Improve platform performance and reliability during peak trading periods, investigate production issues, and collaborate with Product, Operations, and Compliance.

Support product development for fintech and investment products through market research, requirements documentation, brainstorming, user testing, feedback analysis, and cross-functional collaboration. The intern will work closely with Product Managers, engineers, and stakeholders to improve user experiences and develop new financial product offerings.

Manages daily People Operations processes, including employee benefits, insurance, HRIS administration, employee inquiries, payroll data requests, records, and compliance documentation. Identifies process gaps, improves workflows, maintains accurate employee data, and ensures timely resolution of HR-related issues while supporting a positive employee experience.

Owns the design, development, and operation of scalable backend services supporting stock trading, market data, portfolios, and settlement. Responsibilities include ensuring financial correctness, reliability, observability, resilient external integrations, performance during peak trading periods, incident resolution, design and code reviews, and mentoring engineers. The role collaborates with Product, Operations, and Compliance to deliver secure solutions in a regulated, high-traffic environment.

Defines technical direction for large-scale stock-trading systems spanning order management, market data, portfolios, and exchange integrations. Leads architecture for fault-tolerant, low-latency services; ensures financial correctness, reconciliation, idempotency, and auditability; plans capacity and failure scenarios; drives incident investigations and reliability improvements; partners cross-functionally on regulatory and business needs; mentors engineers while remaining hands-on with critical implementations.