At a Glance
- Tasks: Design and build backend services and APIs that power our innovative platform.
- Company: Join Xapien, a leading AI-driven due diligence company transforming industries.
- Benefits: Competitive salary, remote work options, and opportunities for professional growth.
- Other info: Dynamic team environment with exciting challenges and career advancement opportunities.
- Why this job: Shape the future of due diligence with cutting-edge technology and impactful projects.
- Qualifications: 5+ years in software engineering, strong Go skills, and experience with microservices.
The predicted salary is between 48000 - 72000 € per year.
About Us
Every business needs to know who they’re really working with whether it’s suppliers, investors, partners, or third parties. At Xapien, we’re reinventing how organisations do that, combining speed, scale and accuracy with cutting-edge AI. Since 2018, we’ve grown from a deep-tech startup to a global player in AI-driven due diligence and risk intelligence. 2024 was a landmark year as we closed a $10M Series A, earned recognition in the Chartis RiskTech100® and Everest Group’s Leading 50™, and expanded our products, markets and customer base. 2025 was even bigger: With new regulations, rising compliance pressure and growing reputation risks, organisations everywhere are demanding smarter, faster ways to work and they’re turning to us. Customers worldwide from global law firms and private banks to universities and nonprofits rely on Xapien to turn days of manual research into trusted insights, delivered in minutes.
Our momentum so far includes customers in a diverse range of industries, with particular growth in wealth management, financial services and supply chain onboarding. Demand is accelerating beyond our UK headquarters, across multiple continents with new customers in the Middle East, Asia, and Oceania.
Why this is an exciting time to join
This isn’t just another tech role; it’s an opportunity to shape the future of the due diligence industry with a market-leading product trusted by global organisations. Whether you’re in marketing, communications, sales, or finance, you’ll play a critical role in driving growth, building credibility, and defining how we connect our product to a rapidly evolving market. We’re scaling fast with more customers, more releases, and bigger regulatory and market challenges. Expectations are rising, due diligence now means real-time insight, delivered efficiently and with impact. You won’t just be executing campaigns, closing deals, or managing numbers, you’ll be influencing strategy, optimising processes, and helping position a brand that’s setting the new standard for trust and transparency. For people who love learning, innovating, and making an impact that matters, now is the moment to be a part of Xapien.
The Role
We’re hiring Senior Backend Engineers to join our engineering team. You’ll work on challenging problems across our platform, from building sophisticated data processing pipelines and LLM-powered features to creating core application functionality that serves our users directly. Our tech stack centres on Go microservices, with Temporal workflows, MongoDB and ElasticSearch running on Kubernetes in GCP. You’ll work with modern patterns including event-driven architectures, gRPC and REST APIs, and comprehensive observability with GrafanaCloud. Depending on the team, you might focus on our Investigations domain (web scraping, data provider integrations, LLM-powered analysis) or our Core App (user journeys, features, and configuration). Both are critical to our platform and offer unique technical challenges.
What You’ll Do
- Design and build backend services and APIs that power our platform
- Write clean, well-tested Go code following established patterns and best practices
- Collaborate with frontend engineers, product managers, and designers to deliver features
- Participate in code reviews and help maintain high engineering standards
- Debug production issues and contribute to system reliability
- Contribute to technical discussions and design decisions within your team
- Mentor junior engineers and share knowledge with the team
- Build new systems and features that directly impact our customers
What We’re Looking For
Essential
- 5+ years of professional software engineering experience
- Strong proficiency in Go, with deep understanding of concurrency, error handling, and idiomatic patterns
- Experience building RESTful or gRPC APIs
- Solid understanding of databases, with MongoDB experience highly valued
- Experience with micro-services architecture and distributed systems
- Familiarity with containerisation (Docker) and orchestration (Kubernetes)
- Strong testing practices and commitment to code quality
- Excellent communication and collaboration skills
- Self-driven with ability to work independently and as part of a team
Highly Desirable
- Experience with Temporal or similar workflow orchestration systems
- Knowledge of event streaming platforms like Kafka
- Experience with LLMs and AI integration (particularly for Investigations team)
- Background in SaaS platforms or B2B products
- Experience in fintech, compliance, or regulated industries
- Familiarity with observability tools (Grafana, Prometheus, etc.)
- Understanding of authorisation patterns and security best practices
Our Tech Stack
Languages: Go
Databases: MongoDB
Senior Backend Engineer employer: Xapien
At Xapien, we pride ourselves on being an innovative employer that empowers our employees to shape the future of due diligence through cutting-edge AI technology. Our collaborative work culture fosters continuous learning and growth, offering ample opportunities for professional development while working on impactful projects that serve global clients. With a strong focus on employee well-being and a commitment to maintaining high engineering standards, joining our team means being part of a dynamic environment where your contributions truly matter.
StudySmarter Expert Advice🤫
We think this is how you could land Senior Backend Engineer
✨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 you a foot in the door faster than any application.
✨Tip Number 2
Show off your skills! Create a portfolio or GitHub repository showcasing your projects and contributions. This gives potential employers a taste of what you can do beyond your CV.
✨Tip Number 3
Prepare for interviews by practising common technical questions and scenarios related to backend engineering. Mock interviews with friends or mentors can help you feel more confident.
✨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 Senior Backend Engineer
Some tips for your application 🫡
Tailor Your CV:Make sure your CV reflects the skills and experiences that align with the Senior Backend Engineer role. Highlight your proficiency in Go, microservices architecture, and any relevant projects you've worked on. We want to see how you can contribute to our mission!
Craft a Compelling Cover Letter:Your cover letter is your chance to shine! Use it to explain why you're excited about joining Xapien and how your background fits into our vision. Be genuine and let your personality come through; we love seeing passion for what we do.
Showcase Your Projects:If you've worked on interesting projects, especially those involving APIs or data processing, make sure to mention them. We’re keen to see how you’ve tackled challenges and what technologies you’ve used. This helps us understand your hands-on experience!
Apply Through Our Website:We encourage you to apply directly through our website. It’s the best way to ensure your application gets to the right people. Plus, it shows us you’re serious about joining our team at Xapien!
How to prepare for a job interview at Xapien
✨Know Your Tech Stack
Familiarise yourself with the tech stack mentioned in the job description, especially Go, MongoDB, and Kubernetes. Be ready to discuss your experience with these technologies and how you've used them in past projects.
✨Showcase Problem-Solving Skills
Prepare to discuss specific challenges you've faced in backend engineering and how you tackled them. Highlight your experience with building APIs and microservices, as well as any debugging or system reliability issues you've resolved.
✨Collaboration is Key
Since you'll be working closely with frontend engineers and product managers, be prepared to talk about your collaboration experiences. Share examples of how you've successfully worked in teams to deliver features and maintain high engineering standards.
✨Ask Insightful Questions
At the end of the interview, ask questions that show your interest in the company's future and its challenges. Inquire about their approach to new regulations or how they plan to scale their products, demonstrating your understanding of the industry.
