At a Glance
- Tasks: Design and build secure APIs and integrations for a cutting-edge hiring platform.
- Company: Join Zinc, a forward-thinking tech company focused on innovation and collaboration.
- Benefits: Enjoy 24 days holiday, early finish Fridays, and a £1200 annual benefits allowance.
- Other info: Dynamic team culture with excellent career growth and mentorship opportunities.
- Why this job: Make a real impact by connecting Zinc with the wider HR tech ecosystem.
- Qualifications: Expertise in Node.js, API design, and strong problem-solving skills required.
The predicted salary is between 60000 - 80000 £ per year.
We are expanding our engineering team to boost our development capacity and take our product to the next level. As a Senior Integrations Engineer, you'll play a central role in how Zinc connects with the wider hiring and background‑check ecosystem, building robust APIs and partner integrations that let customers get value from Zinc's data across their own tools. This includes our own partner API as well as custom integrations with HR tech platforms such as applicant tracking systems (ATS) and HR Information Systems (HRIS). You'll work closely with Product, customers, and partner companies to understand integration needs, design secure and reliable APIs, and make sure the systems connecting Zinc to the outside world are built to last.
Key Responsibilities
- Building powerful integrations: Design and deliver high‑impact, secure integrations with partner and customer systems that are clean, scalable, and built to last.
- Talking to customers: Work directly with customers and partners to understand their integration needs and translate them into solid technical solutions. Your time will be split 20% customer and 80% development.
- API design & development: Own the design, build, and documentation of APIs that are secure, well‑structured, and easy for partners to consume.
- Keeping things running smoothly: Maintain, optimise, and secure our systems so they perform at their best, even at scale.
- Problem‑solving like a pro: Lead the charge on tricky integration challenges, turning complex problems into elegant, maintainable solutions.
- Staying ahead of the game: Keep up with new tools, trends, and best practices, helping us continuously evolve our stack and processes.
- Owning your work end‑to‑end: Take full responsibility from initial idea to production, making sure every integration delivers value to customers.
Skills, Knowledge and Expertise
- Backend Development: Advanced skills with Node.js (Express), building robust, scalable backend services. Comfortable picking up light frontend work (Vue/Nuxt) when needed.
- API Design & Security: Strong hands‑on experience designing RESTful APIs and a solid grasp of API security practices (auth, rate limiting, data protection).
- System Design & Architecture: Proven ability to create scalable, maintainable, and high‑performance systems, particularly across integration and partner‑facing architecture.
- TypeScript & JavaScript Expertise: Deep, hands‑on expertise delivering production‑grade applications using modern JS/TS best practices.
- Database & Cloud: Strong experience with databases and AWS services (Lambda, S3, API Gateway) for robust, cloud‑native solutions. NoSQL experience (e.g. MongoDB) a bonus.
- Testing & Quality Assurance: Proficient with tools like Jest to ensure quality, reliability, and confidence in every release.
Soft skills
- Customer‑Facing: Comfortable leading conversations with customers and partners about technical integration needs.
- Highly Collaborative: Thrives in cross‑functional teams, working closely with engineers, product, and external partners.
- Clear Communicator: Able to explain technical decisions simply to both technical and non‑technical stakeholders.
- Kind & Supportive: Builds a positive, respectful team culture. Mentorship experience is a bonus.
What we offer
- 24 days holiday + Bank Holidays + your birthday off
- £1200 annual benefits allowance, from month 2
- Early finish Fridays (16:00)
- Yearly company retreat abroad
- 30 days to work from anywhere
- Enhanced Maternity, Paternity, and Adoption Leave (13 weeks full pay, 17 weeks half pay, then SMP for maternity, 1 month full pay for paternity/adoption)
- Statutory pension with NEST (3% employer, 5% employee)
- Zinc shares, issued through the EMI Scheme
- Unlimited access to Spill Therapy
- Company socials, quarterly team socials, Free Monday lunches
- Nursery workplace benefit scheme (Yellownest)
- Option to lease an electric car through Electric Car Scheme
- Celebrated Zinc anniversaries
StudySmarter Expert Advice🤫
We think this is how you could land Senior Integrations Engineer in London
✨Join Local Tech Meetups
Get out there and mingle with fellow developers by joining local tech meetups. It’s a fantastic way to meet people who might be working at Zinc Work or know someone who does. Plus, you can pick up some trendy tech skills and trends while you're at it!
✨Contribute to Open Source Projects
Show off your coding chops by jumping into open-source projects. Not only does this give you practical experience, but it also gets you noticed in the dev community. You'll create a killer portfolio that speaks volumes about your skills to Zinc Work.
✨Tap into Online Developer Communities
Don’t underestimate the power of online developer communities like GitHub, Stack Overflow, and even Reddit. Participate in discussions, share your projects, and build your visibility. We can often find opportunities through these channels that can lead to a full-time gig at companies like Zinc Work.
✨Explore Job Boards Specifically for Tech Roles
Keep your eyes peeled on job boards that focus on tech roles. Sites like TechCareers or Stack Overflow Jobs can often have listings for companies like Zinc Work that might not show up on broader job sites. Make it a habit to check these regularly, and don’t hesitate to apply directly through our website!
We think you need these skills to ace Senior Integrations Engineer in London
Some tips for your application 🫡
Show off your coding skills:When applying for a software engineering role, it's super important to showcase your coding skills. Make sure your CV includes your tech stack, any relevant programming languages you’re comfortable with, and examples of projects you've worked on. If you have a GitHub profile, link it up! We love to see code in action.
Tailor your portfolio:For a full-time role, we’d expect to see some solid examples of your work in your portfolio. Make sure to include at least two or three projects that highlight your problem-solving skills and your ability to work with different technologies. Focus on the projects that are most relevant to the position at Zinc Work.
Craft a killer cover letter:Your cover letter is your chance to stand out—make it personal! Explain why you want to work at Zinc Work and how your skills align with the role. Show us your passion for software development. We dig enthusiastic candidates who understand the value of collaboration and continuous learning!
Be clear and concise:When it comes to writing your CV and cover letter, clarity is key. Avoid jargon that could confuse us and stick to simple, direct language. Highlight your achievements with quantifiable results where possible, and keep everything easy to read. A well-organised application goes a long way!
How to prepare for a job interview at Zinc Work
✨Brush Up on Your Coding Skills
For a full-time software engineering role, it's crucial that we stay sharp with our coding abilities. Expect technical questions that might involve solving problems on the spot or discussing algorithms. Practise on platforms like LeetCode or HackerRank to get comfortable with the types of questions that often come up.
✨Know Your Tools and Frameworks
Make sure we’re well-acquainted with the tools and technologies listed in the job description. Familiarise ourselves with any specific frameworks or programming languages mentioned. If Zinc Work uses React or Node.js, for instance, be ready to discuss how we’ve used them in previous projects or coursework.
✨Showcase Your Projects
Bring along a portfolio that highlights our best work. This could be code samples, GitHub repositories, or any side projects we’ve built. Make sure we can talk through our thought process for each project, especially the challenges we faced and how we solved them—this shows our problem-solving skills in action.
✨Prepare for Behavioural Questions
While technical skills are key, full-time positions also require cultural fit. Be ready to discuss our previous experiences and how we handle teamwork, conflict, and deadlines. Brush up on the STAR method—Situation, Task, Action, Result—to clearly articulate our past experiences when discussing how we've contributed to a team.
