Top Tech Jobs & Startup Jobs

Develop and maintain Flutter applications using Dart for a five-month freelance project. Responsibilities include shipping iOS apps, managing App Store releases and TestFlight, integrating location services, contacts, push notifications, deep links, and Google and Apple SSO. The role requires strong knowledge of state management, performance, scalability, and application stability, plus the ability to review Swift and SwiftUI code and critically assess AI-generated code.

Lead end-to-end discovery and requirements for enterprise-scale integrations, translate business needs into testable requirements, map processes, validate technical solutions, support presales, ensure delivery aligns with business value, and use data to validate ROI.

Manage executive client relationships, drive multi-service adoption (design, engineering, AI, DevOps, QA, managed services), build account business plans, identify expansion whitespace, lead large pursuit/RFP orchestration, track satisfaction, resolve escalations, and ensure commercial performance.

Own inbound sales for mid-market and enterprise accounts, qualifying marketing-generated leads and managing complete sales cycles from discovery through closure. Build relationships with senior decision-makers, collaborate with presales and delivery teams on tailored IT solutions, and partner with marketing to improve funnel conversion. Maintain pipeline, forecasts, CRM hygiene, and performance metrics while closing software and IT services deals across international markets.

Design and implement mobile architectures for platform or super-app ecosystems and native payment solutions. Responsibilities include modularization, Native Shells, Native Modules, WebView, Server Driven UI, CI/CD and release standards, device integrations, payment operator integrations, Apple Pay, Google Pay, tokenization, SCA/PSD2, transaction security, monitoring, and recurring payments.

Develop native Android applications for mobile platform and payment initiatives. Responsibilities include designing modular architectures using native shells, native modules, WebView, and server-driven UI; establishing technical standards and release processes; integrating device features; implementing in-app payments, Google Pay, card tokenization, SCA/PSD2, transaction monitoring, and recurring payment functionality.

Develop and maintain native iOS applications using Swift, modular architecture, native modules, WebViews, and server-driven UI. Implement device integrations, CI/CD, release processes, and in-app payment capabilities, including payment operators, Apple Pay, card tokenization, SCA/PSD2 compliance, transaction security, subscriptions, and recurring payments. This is a fully remote freelance engagement lasting 6–12 months, with potential extension.

Designs and reviews architecture for multi-product systems, focusing on scalability, resilience, security, capacity, and cost of change. Responsibilities include assessing existing code and designs, writing RFCs and ADRs, defining service boundaries, evaluating extend-versus-rebuild decisions, planning migrations and rollbacks, and addressing payment, fraud, PCI DSS, supplier integration, and traffic-spike risks. The role partners with Staff engineers and engineering managers as a technical peer.

Freelance Backend Kotlin Engineer to build and maintain backend systems using Kotlin, Kubernetes, and event-driven architectures (Kafka). Collaborate with DevOps, implement CI/CD for mobile and backend, and support certification and compliance processes. 100% remote, EU-based, full-time engagement for minimum six months.

Freelance solution architect responsible for designing solution architectures and HLDs, defining architecture standards and governance, guiding delivery teams through SDLC, aligning technical solutions with business objectives, and evaluating technologies and integration patterns.