At Zeven, we deliver expert TypeScript consulting services that help businesses build scalable, maintainable, and type-safe applications. From migrating legacy JavaScript codebases to architecting large-scale TypeScript solutions, our team brings deep expertise in modern TypeScript development, best practices, and enterprise-grade engineering to help your projects succeed — beyond what you imagined.
Businesses looking for reliable TypeScript consulting need a partner with deep technical knowledge, proven architectural expertise, and a strong commitment to code quality. Zeven offers end-to-end TypeScript consulting services covering migration, architecture, development, code review, and team training. Our focus on type safety, scalability, and maintainability helps organizations build robust applications that deliver consistent value over time.
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Zeven helps businesses migrate existing JavaScript codebases to TypeScript with minimal disruption. We conduct thorough codebase audits, define a phased migration strategy, and implement TypeScript incrementally to ensure a smooth transition. Our migration services reduce technical debt, improve code quality, and prepare your codebase for long-term scalability without halting ongoing development.
Zeven's architects design robust TypeScript project structures tailored to your application's complexity and scale. From defining module boundaries and type hierarchies to establishing design patterns and coding standards, we ensure your TypeScript codebase is well-organized, maintainable, and ready to grow. Our architecture reviews identify potential bottlenecks and provide actionable recommendations for improvement.
Zeven builds custom applications using TypeScript across the full stack — from React and Next.js frontends to Node.js and Express backends. Every application is developed with strict typing, modular architecture, and comprehensive test coverage. Our type-safe development approach catches errors at compile time, reduces runtime bugs, and accelerates delivery of reliable, production-ready software.
Zeven provides expert TypeScript code reviews that identify type safety issues, architectural anti-patterns, performance bottlenecks, and security vulnerabilities. Our senior engineers deliver detailed, actionable feedback that improves code quality, enforces best practices, and elevates the overall standard of your development team's TypeScript output. Regular code reviews ensure your codebase stays clean, consistent, and maintainable.
Zeven specializes in TypeScript-powered React and Next.js development. We build fully typed component libraries, custom hooks, context providers, and API integrations that deliver exceptional developer experience and runtime reliability. Our TypeScript React development ensures your frontend is scalable, testable, and easy to maintain as your application grows.
Zeven develops secure, high-performance backend APIs and microservices using TypeScript with Node.js, Express, NestJS, and Fastify. Strong typing across your backend services eliminates entire classes of runtime errors, improves API contract reliability, and makes your server-side code significantly easier to refactor and extend as business requirements evolve.
Zeven configures and optimizes TypeScript monorepo setups using tools like Turborepo, Nx, and pnpm workspaces. We establish shared type libraries, consistent tsconfig configurations, build pipelines, and linting standards across all packages. Our monorepo expertise ensures seamless code sharing, consistent tooling, and efficient CI/CD workflows across your entire TypeScript project ecosystem.
Zeven builds comprehensive testing frameworks for TypeScript applications using Jest, Vitest, Playwright, and Testing Library. We design type-safe test suites covering unit tests, integration tests, and end-to-end tests. Our testing strategies ensure maximum code coverage, faster feedback cycles, and the confidence to deploy changes quickly without fear of regressions.
Zeven provides structured TypeScript training programs for development teams at all skill levels. From TypeScript fundamentals and advanced type system features to architecture patterns and tooling best practices, our hands-on training sessions, workshops, and code labs accelerate your team's TypeScript proficiency and help establish consistent standards across your engineering organization.
Zeven identifies and resolves TypeScript compilation performance issues, slow build times, and type-checking bottlenecks that impact developer productivity. We optimize tsconfig settings, resolve circular dependencies, implement incremental compilation strategies, and streamline type definitions to ensure your TypeScript projects build fast and your team ships code without delays.
Zeven designs and builds fully typed TypeScript component libraries and design systems that accelerate frontend development and ensure visual consistency across your products. With comprehensive type definitions, Storybook documentation, and strict accessibility standards, our component libraries become reliable, reusable foundations that scale with your design and engineering teams.
Zeven provides flexible ongoing TypeScript consulting and support engagements for teams that need expert guidance without a full-time hire. From answering complex type system questions and reviewing architectural decisions to pair programming sessions and sprint-based development support, our consulting model adapts to your team's needs and helps you move faster with confidence.
Choosing the right TypeScript consulting partner can define the long-term maintainability, scalability, and reliability of your software. At Zeven, we combine deep TypeScript expertise with broad full-stack experience and a strategic approach to software architecture. Our consultants have delivered TypeScript solutions across startups, scale-ups, and enterprise organizations — bringing proven patterns, best practices, and practical engineering wisdom to every engagement.
Zeven's engineers have advanced expertise in TypeScript's type system including generics, conditional types, mapped types, template literal types, discriminated unions, and utility types. This depth of knowledge allows us to solve complex typing challenges, design elegant type-safe APIs, and architect TypeScript solutions that are both powerful and maintainable at scale.
Zeven brings end-to-end TypeScript expertise across the entire stack — from React and Next.js frontends to Node.js, NestJS, and Prisma backends. Our ability to maintain type safety across frontend and backend boundaries using shared type libraries and tRPC-style contracts reduces integration errors and accelerates full-stack development significantly.
Zeven works as a true extension of your engineering team. We embed into your existing workflows, attend sprint ceremonies, participate in architecture discussions, and provide real-time code review feedback. Our collaborative approach ensures knowledge transfer happens naturally, leaving your team more capable and confident with TypeScript long after our engagement concludes.
Zeven has successfully migrated numerous JavaScript codebases to TypeScript across a range of industries and application types. Our battle-tested migration playbook minimizes risk, maintains development velocity, and delivers measurable improvements in code quality, bug rates, and developer productivity. We have navigated the challenges of real-world migrations and know how to handle the complexities that arise.
Zeven embeds security-first engineering practices into every TypeScript project. From secure API type contracts and input validation to dependency auditing and compliance with GDPR, HIPAA, and PCI DSS requirements, we ensure your TypeScript applications are not only well-typed but also secure, reliable, and ready for production in regulated environments.
Our custom AI solutions are designed for speed, security, and scalability, delivering optimal performance for businesses of all sizes.
Step 02
Based on the assessment, Zeven designs a TypeScript strategy and architecture tailored to your project's specific needs and goals. We define typing standards, module boundaries, shared type libraries, configuration standards, and migration phases. Our architecture designs are pragmatic, incremental, and designed to deliver value quickly while building towards a long-term, well-typed codebase.
Step 04
Zeven ensures your team gains lasting TypeScript capability through structured code reviews, pair programming sessions, and tailored training workshops. We document architectural decisions, establish coding standards, and provide ongoing guidance to embed TypeScript best practices into your team's daily workflow. The goal is to leave your team more capable, confident, and self-sufficient with TypeScript long after our engagement ends.
Step 01
Zeven begins every TypeScript engagement with a thorough assessment of your existing codebase, architecture, tooling, and development workflows. We identify type safety gaps, architectural weaknesses, performance bottlenecks, and migration opportunities. This discovery phase produces a clear, prioritized roadmap that aligns TypeScript improvements with your business objectives and development capacity.
Step 03
Zeven's engineers execute the TypeScript strategy through hands-on implementation, migration, and development work. Whether migrating existing JavaScript files, building new TypeScript features, setting up tooling infrastructure, or developing shared type libraries, we deliver high-quality, well-reviewed TypeScript code that meets your standards and integrates seamlessly with your existing systems.
Step 01
Zeven begins every TypeScript engagement with a thorough assessment of your existing codebase, architecture, tooling, and development workflows. We identify type safety gaps, architectural weaknesses, performance bottlenecks, and migration opportunities. This discovery phase produces a clear, prioritized roadmap that aligns TypeScript improvements with your business objectives and development capacity.
Step 02
Based on the assessment, Zeven designs a TypeScript strategy and architecture tailored to your project's specific needs and goals. We define typing standards, module boundaries, shared type libraries, configuration standards, and migration phases. Our architecture designs are pragmatic, incremental, and designed to deliver value quickly while building towards a long-term, well-typed codebase.
Step 03
Zeven's engineers execute the TypeScript strategy through hands-on implementation, migration, and development work. Whether migrating existing JavaScript files, building new TypeScript features, setting up tooling infrastructure, or developing shared type libraries, we deliver high-quality, well-reviewed TypeScript code that meets your standards and integrates seamlessly with your existing systems.
Step 04
Zeven ensures your team gains lasting TypeScript capability through structured code reviews, pair programming sessions, and tailored training workshops. We document architectural decisions, establish coding standards, and provide ongoing guidance to embed TypeScript best practices into your team's daily workflow. The goal is to leave your team more capable, confident, and self-sufficient with TypeScript long after our engagement ends.
Partnering with Zeven for TypeScript consulting gives your business more than just clean, typed code — it gives you a strategic engineering partner committed to building software that is scalable, maintainable, and built to last. Our TypeScript consulting engagements deliver measurable improvements in code quality, developer productivity, and long-term software reliability.
TypeScript's static type system catches entire categories of bugs at compile time before they reach production. Zeven's strict typing standards and code review practices ensure your applications ship with significantly fewer runtime errors and regressions.
Type-safe code with excellent IDE support means developers spend less time debugging and more time building. Zeven's TypeScript architecture and tooling setup creates a development environment where engineers move faster with greater confidence.
Zeven designs TypeScript architectures that scale gracefully as your application and team grow. Clear type contracts, modular structures, and consistent coding standards make large codebases significantly easier to understand, refactor, and extend over time.
TypeScript's explicit type contracts act as living documentation, making it easier for teams to collaborate across large codebases. Zeven's training and code review services help your entire engineering team adopt consistent TypeScript standards and practices.
Zeven's TypeScript migration and architecture services proactively address existing technical debt, replacing fragile JavaScript patterns with robust, type-safe solutions. The result is a cleaner, more sustainable codebase that is cheaper to maintain and easier to evolve.
Zeven's TypeScript tooling setup, monorepo configuration, and build pipeline optimization create a developer experience where engineers have fast feedback loops, excellent IDE integration, and the tools they need to do their best work efficiently.
At Zeven, we leverage a modern TypeScript technology stack that combines the latest language features, industry-leading frameworks, and best-in-class tooling to deliver high-performance, scalable, and maintainable solutions. Our technology choices are always driven by your project's specific requirements, ensuring we use the right tools for every challenge.
Zeven uses TypeScript because its static type system catches entire categories of bugs at compile time, acts as living documentation, and keeps large codebases maintainable. The Zeven team has advanced expertise in generics, conditional types, and discriminated unions, and has delivered 20 plus TypeScript projects across 5 industries over 3 plus years for clients in 20 plus countries.
Zeven builds full-stack applications with TypeScript across React and Next.js frontends and Node.js, NestJS, Express, and Fastify backends. The Zeven team sets up monorepos with Turborepo, Nx, and pnpm, maintains type safety end to end using shared type libraries and tRPC, and integrates Prisma, Drizzle, and Zod for type-safe data and validation.
Yes, Zeven migrates JavaScript codebases to TypeScript using a battle-tested, phased playbook that minimizes risk and maintains development velocity. The Zeven team audits the codebase, applies typing incrementally, and reduces technical debt. Work runs in two-week sprints with a working demo at the end of each, and the client receives full source-code ownership.
Zeven shares pricing as a fixed-scope quote after a free discovery call, so you know the cost before committing. Founded in 2023 and headquartered in Sri Lanka, Zeven pairs senior engineers with global-delivery cost economics. Engagements are GDPR, HIPAA, and ISO 27001 aligned with NDAs from first contact, backed by a 4.7 out of 5 satisfaction rating.