Job Description

Job Overview:


As a Senior Full-Stack Engineer on our new UK-based team, you will help us build a financial B2B SaaS platform using TypeScript, React, and Node.js. You'll tackle our unique challenge: ensuring high performance on an application that handles complex financial calculations and large datasets.


With a 60/40 backend-to-frontend focus, this role is perfect for a proactive engineer who is passionate about building high-performance software throughout the stack and thrives in a multicultural environment. This is a fantastic opportunity to grow your skills while shaping up a new team and a cutting-edge platform.




This is a hybrid position - working 3 days a week from our Winnersh office.


Key Responsibilities

Key Responsibilities:


- Take full ownership of the feature development lifecycle, from concept and design to testing and deployment.


- Collaborate with product managers, designers, and other SW Engineers to translate requirements into well-architected, user-friendly features.


- Write clean, scalable, and high-performance code for both the backend (Node.js) and the frontend (React/TypeScript)


- Collaborate with field teams to support our customers, debug issues, and offer prompt solutions.


- Participate in code reviews and contribute to the continuous improvement of our development processes.


- Improve the performance, scalability and security of the platform.


- Develop and maintain comprehensive tests to ensure software quality and reliability


- Contribute to our Node.js and AWS backend services.


- Stay up-to-date with the latest trends in web development and cloud-based SaaS technologies.




Required Qualifications:


- 5+ years of professional experience in software development for scalable, web-based applications.


- Experience in building large-scale, maintainable applications, with proficiency in TypeScript/JavaScript.


- Proven experience building and maintaining backend services with Node.js and a common framework (e.g., Fastfy, Express, NestJS).


- JavaScript performance optimization. You know how to profile, debug, and refactor code to make it faster.


- Experience in modern frontend frameworks (e.g., React, Vue, Svelte).


- Experience with AWS infrastructure.


- Experience with CI/CD pipelines.


- Bachelor's degree in Computer Science, Software Engineering, or a related field from a university or a leading college.




Bonus Points:


- Experience with Browser DB (IndexedDB) and Sync Engine pattern.


- Experience with data-intensive applications or financial modeling.




Soft Skills:


- Strong problem-solving abilities and an eagerness to learn.


- Excellent communication skills and the ability to work well in a multicultural environment.


- High attention to detail and a commitment to delivering high-quality work.




#LI-RS2


Function

Product Delivery


Country

United Kingdom


Office Location

Winnersh


Work Place type

Hybrid


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Learn more about working at Sage: sage.com/en-gb/company/careers/working-at-sage/

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