At a Glance
- Tasks: Design and build innovative APIs and tools for enterprise customers.
- Company: Join Firstup, a leader in employee experience technology.
- Benefits: Enjoy remote work, great health benefits, and a supportive environment.
- Other info: Be part of a dynamic team that values your ideas and growth.
- Why this job: Make a real impact on the future of work with cutting-edge tech.
- Qualifications: 5+ years in software development with strong skills in TypeScript and Node.js.
Who We Are
At Firstup, our mission is to improve the employee experience at every moment that matters, large and small. As the communication pipeline for the world's workforce, we now serve 40 of the Fortune 100 companies, reaching and connecting more than 17 million employees daily. Our employees are experts in the employee experience, workforce communications and technology. Joining Firstup means joining a movement to make work better for every worker. As the world’s first intelligent communication platform, Firstup meaningfully engages employees at every moment from hire to retire, and delivers engagement insights to help companies support, promote and retain their talent.
Job Summary
The Sr. Software Engineer will join the team responsible for Firstup's public APIs, Agentic tools, third-party integrations with enterprise systems such as HRIS platforms, and shared platform services. You will deliver innovative, scalable solutions while constantly improving our approach to architecture, scale, availability, and fault-tolerance. You are an active user of Generative AI tools and coding agents, applying them daily to accelerate delivery and improve code quality.
Responsibilities
- Design, build, and maintain public-facing APIs and Agentic tools that enable enterprise customers to integrate with and extend the Firstup platform.
- Develop and own integrations with external enterprise systems, including HRIS platforms such as Workday, SAP SuccessFactors, and Dayforce.
- Build and maintain shared platform services used across the wider engineering organisation.
- Write high-quality code (reliable, readable, efficient, testable, scalable, maintainable), provide thorough code reviews, and create comprehensive tests and documentation.
- Apply broad, in-depth knowledge to develop and maintain large-scale multi-tenant services in the cloud.
- Actively use Generative AI tools and coding agents in day-to-day workflows to improve code quality and accelerate delivery.
- Collaborate across teams on industry standards and best practices to help others solve complex problems.
- Design future-ready solutions and address architectural gaps using modern microservices and cloud-native patterns.
- Own production health for your services, contributing to on-call rotations, incident response, and post-incident reviews in a "you build it, you run it" environment.
- Identify, analyse, and resolve system availability, reliability, and performance issues, contributing to observability and resiliency improvements.
- Partner with Product Management and Design to translate business requirements into scalable technical solutions.
Minimum Qualifications
- Bachelor's degree in Computer Science or related field, or equivalent experience.
- 5+ years building reliable, performant applications and microservices.
- Strong proficiency in TypeScript and Node.js. Ruby experience is a plus.
- Proven full-stack experience across frontend (React.js), backend, and database layers.
- Technical depth in at least one specialisation: networking, security, serverless, event streams, or similar.
- Strong AWS experience, including compute, storage, networking, and monitoring.
- Excitement to build beautiful, intuitive products with a strong customer focus.
- Innate curiosity and a desire to learn and teach.
Preferred Qualifications
- Experience building and maintaining integrations with HRIS platforms such as Workday, SAP SuccessFactors, Dayforce, or similar enterprise HR systems.
- Experience with Kubernetes, Docker, and Helm.
- Experience with Datadog or similar observability and monitoring platforms.
- Demonstrated use of Generative AI tools or coding agents in development workflows.
- Experience in enterprise SaaS organisations, particularly HR Tech or regulated domains.
- Familiarity with ML/AI integration in production systems.
- Open-source contributions or a history of side projects.
Why Firstup?
Because you care - about people, the work you do, and the connections you make. Work is such a large part of life; it only makes sense to make it awesome. If you want to engage brilliant minds in a high-growth and inclusive environment where ideas are rewarded regardless of who they come from, join us. This is a rapidly changing space so if you thrive on ambiguity, are hungry for a challenge, and have the guts to speak your mind, you could be a perfect fit. We offer an excellent PTO program, great health benefits, a casual and friendly environment, remote work, and a leadership team who truly believes in your growth – both personally and professionally.
Firstup is committed to providing equal employment opportunities to all applicants for employment and to all employees, without regard to race, color, religion, gender, sexual orientation, gender identity or expression, national origin, age, protected disability, veteran status, or any other protected status in accordance with applicable federal, state or local laws.
Remote Sr. Software Engineer, Fullstack (UK) in Southampton employer: First Up
At Firstup, we pride ourselves on fostering a dynamic and inclusive work culture that prioritises employee growth and well-being. As a remote-first company, we offer flexible working arrangements, an excellent PTO programme, and comprehensive health benefits, all while empowering our team to innovate and make a meaningful impact in the employee experience space. Join us to collaborate with brilliant minds in a supportive environment where your ideas are valued and your professional development is a top priority.
StudySmarter Expert Advice🤫
We think this is how you could land Remote Sr. Software Engineer, Fullstack (UK) in Southampton
✨Tip Number 1
Network like a pro! Reach out to folks in your industry on LinkedIn or at meetups. A personal connection can often get your foot in the door faster than any application.
✨Tip Number 2
Show off your skills! Create a portfolio or GitHub repository showcasing your projects. This gives potential employers a taste of what you can do and sets you apart from the crowd.
✨Tip Number 3
Prepare for interviews by practising common questions and coding challenges. We recommend doing mock interviews with friends or using platforms that simulate real interview scenarios.
✨Tip Number 4
Don’t forget to apply through our website! It’s the best way to ensure your application gets seen by the right people. Plus, it shows you’re genuinely interested in joining our team!
We think you need these skills to ace Remote Sr. Software Engineer, Fullstack (UK) in Southampton
Some tips for your application 🫡
Tailor Your Application:Make sure to customise your CV and cover letter for the role. Highlight your experience with APIs, microservices, and any relevant tech stacks like TypeScript and Node.js. We want to see how your skills align with our mission!
Show Off Your Projects:If you've worked on any cool projects or open-source contributions, don’t hold back! Share links or descriptions that showcase your coding prowess and how you’ve used Generative AI tools in your work. We love seeing creativity in action!
Be Clear and Concise:When writing your application, keep it straightforward. Use clear language and avoid jargon where possible. We appreciate a well-structured application that gets straight to the point while still showing off your personality.
Apply Through Our Website:We encourage you to apply directly through our website. It’s the best way for us to receive your application and ensures you’re considered for the role. Plus, it shows you’re keen to join our movement at Firstup!
How to prepare for a job interview at First Up
✨Know Your Tech Stack
Make sure you’re well-versed in TypeScript, Node.js, and React.js. Brush up on your knowledge of AWS and microservices architecture, as these are crucial for the role. Be ready to discuss how you've used these technologies in past projects.
✨Showcase Your Problem-Solving Skills
Prepare to share specific examples of how you've tackled complex problems in your previous roles. Highlight your experience with integrations, especially with HRIS platforms like Workday or SAP SuccessFactors, and how you’ve improved system reliability and performance.
✨Demonstrate Your Curiosity
Firstup values a desire to learn and teach. Be prepared to discuss any side projects or open-source contributions that showcase your passion for technology. Mention how you’ve incorporated Generative AI tools into your workflow to enhance code quality.
✨Cultural Fit Matters
Understand Firstup's mission to improve employee experiences. Be ready to express why you care about making work better for others and how you thrive in a collaborative, high-growth environment. Show that you can adapt to change and embrace challenges.
