Custom Express.js Development Services
We create quality mobile and web apps with the help of this JS framework
Get A Free EstimationOur Case Studies
STARK
Custom electronic commerce web application
Stark makes the most advanced electric motorcycles on the planet. They have developed the first electric vehicle that can outperform its gasoline competitor in every way except for noise.
POOF APP
Poof app is a user-friendly and convenient mobile platform developed from scratch that offers a wide range of CBD products.
Thanks to outstanding user experience, product variety, and security, the Poof mobile app successfully catered to the evolving needs of both iOS and Android users and drove business results to the project owner.
ORION PROTOCOL
Orion Protocol (ORN) is a decentralized blockchain platform leveraging open-source technology to aggregate liquidity from centralized and decentralized exchanges (CEXs and DEXs).
The primary aim of this project is to offer cryptocurrency traders and users optimal trading rates across various exchange markets and platforms.
LUMA
luma is a robust influencer marketing platform that connects brands and marketing agencies with content creators to execute marketing campaigns.
The platform features a marketplace and comprehensive marketing services to promote impactful narratives.
What Our Clients Say
We don’t just build software, we build success stories
Amazing agency, perfect communication and execution (agile development with very high quality of work), they think out of the box and really help you shape the product. They also have great design skills in the team and are always available- I highly recommend them and will definitely hire again for a next big project!
I selected Peiko team based on their profile and the submitted quality proposal. I also met them personally, and I reached the initial concusion that I am working with a professional team. The end product was delivered with superb quality and structure. the documentaiton part was also great.
I consider Peiko a qualified technical partner for many reasons, such as delivering milestones on time, providing fast software improvements, and resolving bug issues quickly. They’re very experienced in blockchain and financial services and get deeply involved in the development process.
What impresses me most about Peiko is their innovative approach! Thanks to Peiko’s efforts, the client has noticed an increase in user engagement and trading volume. The team establishes a seamless workflow by being highly responsive and dedicated to the project. Moreover, they continue to impress the internal team with their innovative solutions.
Their rapid response to our requests was a major factor in the project’s successful completion. Peiko’s efforts have increased user engagement and transactions, meeting expectations. Peiko’s responsive and communicative approach has resulted in a successful partnership. The team is committed to creating a secure and user-friendly platform that caters to auctioneers and buyers.
Peiko has provided deliverables on time and with minimal revisions. The team is responsive to the client’s needs, addresses questions quickly, and consistently delivers items within expectations. Peiko’s communication and problem-solving skills have been remarkable throughout the engagement.
Although the platform has yet to launch, Peiko is able to execute and manage the platform successfully. A collaborative team, they have engaged with the clients to work out the stages and concept in the development of the project. They have communicated well to provide progress updates and feedback.
Although the platform has yet to launch, Peiko is able to execute and manage the platform successfully. A collaborative team, they have engaged with the clients to work out the stages and concept in the development of the project. They have communicated well to provide progress updates and feedback.
They’re an open-minded team and I’m glad to be working with them. Peiko works fast and pays great attention to detail. Regular and honest communication benefit the collaborative partnership. Customers can expect to work with a professional and open-minded team.
My initial trepidation in hiring an agency in another time zone, and a market I was not familiar with, proved unfounded. Always professional. Incredibly switched on. I get the sense they actually really understand what we are trying to achieve. I don’t have to explain everything – they intuitively seem to understand. The designs the team have come up with are fantastic.
We’ve earned a 100% Job Success score on Upwork as a result of consistent delivery, long-term client satisfaction, and predictable results.
View work historyOur work is rated 5.0 on Clutch, reflecting verified client reviews, strong professionalism, and a clear focus on scalable, business-driven digital solutions.
Read reviewsAwards & recognition
Since 2017, our software creation team has consistently delivered industry-focused development services that get results.
Advantages
Expert Express.js engineering
We excel in building technically advanced backend systems using Express.js – from high-throughput APIs and microservices to real-time features and complex server-side logic tailored to your business needs.
Fast & predictable delivery
Our development process includes clear technical roadmaps, milestone planning, and iterative releases, ensuring transparent workflows, predictable timelines, and faster delivery – even for complex backend architectures.
Competitive, value-driven pricing
Get top-tier backend engineering and consulting at competitive rates – deep technical expertise without inflated costs, maximizing value across your project.
Performance, scalability & resilience
We build scalable, high-performance Express.js systems designed to handle large volumes of requests, smooth API performance, and backend services that scale as your business grows.
Proven capabilities in complex builds
Our team’s experience spans diverse, demanding projects – from robust backend platforms and integrations to high-performance web and mobile APIs – backed by industry experience since 2017.
Collaborative engineering partnership
We act as a trusted technical partner, working closely to understand your system requirements, backend workflows, and business goals, while maintaining transparent communication throughout development and beyond.
Benefits of Custom Express.js Development Services
Custom backend development with Express.js
We build high-performance, scalable web applications, APIs, and server-side solutions using Express.js and Node.js, tailored to your business logic and project requirements.
Faster development and deployment
Our team of Express.js developers and full-stack engineers ensures rapid backend implementation, testing, and deployment – helping you launch MVPs, SaaS platforms, and enterprise web apps faster.
Scalable and modular architecture
We design flexible, maintainable, and modular backend systems that can handle growing traffic, new features, and integrations with third-party APIs, databases, and microservices.
Cost-efficient backend solutions
Avoid the expense of hiring and managing in-house teams. You pay only for actual Express.js development work, with predictable timelines and transparent costs.
Direct collaboration with technical leads
Work directly with backend engineers, full-stack developers, and project managers, ensuring clear communication, efficient iterations, and precise implementation of your requirements.
Security, performance, and reliability
We follow best practices in server-side security, API authentication, data encryption, and performance optimization, delivering backend systems that are fast, reliable, and secure.
Access to specialized Express.js talent
Get professional developers with deep expertise in Node.js, Express.js, RESTful and GraphQL APIs, real-time apps, cloud deployment, and database integrations, without competing in the local hiring market.
Why Choose Us
Deep industry expertise
Our Express js development company has completed a wide array of projects since 2017. By engaging our professionals, you will tap into in-depth industry knowledge. We will help you obtain robust and secure web and mobile applications for your success.
Dedicated team
Our team of developers can help in creating dynamic, scalable, high-performance applications. We treat each project with proficiency in Express.js and related tools. So, turn to us to get quality development results.
Full-cycle development
We offer end-to-end Express js development services, from consultation to post-launch support. If any further enhancement is required, Peiko will help you with providing long-term development and maintenance of systems.
Transparency & Flexibility
We prioritize transparency and open communication throughout the development process while maintaining confidentiality above the standards set by both the UK and EU. Our development team stays flexible to scale resources.
Express.js development process
01 Planning
Here we begin with research and identifying the objectives of the project, the needs of the users, and the technical specifications. Detailed planning is necessary to corroborate with business objectives and clearly stated expectations on functionality, timeline, and resources.
02 Design and implementation
Developers start developing the backend with the help of Express.js, which means building APIs, managing routes, and implementing core logics in this stage. The focus will be on efficient coding, maintainability, and integrating the frontend with backend web app systems.
03 Quality testing
Following its development, there is rigorous testing of the application, which will help identify bugs so one can have things work just like they should.
04 Deployment and ongoing support
At our Express js development company, testing is followed by deployment. Then comes ongoing support, whereby performance monitoring would take place and solve arising issues.
How we work
Let’s talkOur skilled software development company team is exclusively committed to your project, dedicating their entire working month solely to your endeavor.
- Assured payment terms: Secure your commitment by making a prepayment for the last month’s guaranteed payment.
- Sprint-based payments: Divide the payments for ongoing sprints – 50% at the outset and the remaining 50% at the end of each month.
- Alternative approach: Opt for terms with sprint payment spanning 4 weeks – a simple 100% prepayment at the start of each month.
Our developer or team focuses solely on the tasks you’ve outlined.
- Sprint-driven pricing: The rate is configured for a two-week sprint, encompassing 80 hours of dedicated developer/team effort.
- Sprint start: Begin with a 100% prepayment for a full sprint, ensuring a seamless start.
- Monthly hourly payment: As the month progresses, make payments based on the hours our adept developers spend. Additionally, any agreed-upon overtime tasks (as mentioned in the report) are billed at the established rate.
Technologies we use
Frequently asked questions
ExpressJS is a lightweight framework that is utilized in developing fast and scalable backend systems. It is mainly applied to the development of RESTful APIs, web applications, and dynamic single-page apps.
It is a back-end framework that out of the box is used for server-side development, such as routing, request handling, and middleware.
ExpressJS is built with JavaScript and runs on Node.js, enabling developers to make server-side applications using JavaScript. It leverages Node.js’s event-driven, non-blocking features for efficient request handling.
Yes, ExpressJS is quite easy to learn. But, nevertheless, developers should have solid tech skills and experience to develop top projects.
Got a question? Drop us an email at [email protected]
