Senior Backend Architect — Go & Microservices Leader

Xapien; England; On-site; GBP 90,000 - 130,000; Full time

Job summary

Xapien, a global AI-driven due diligence company, is hiring a Staff/Senior Backend Engineer to lead technical direction of key platform components.

You will own architecture for backend services, work with Go, MongoDB, and Kubernetes, and mentor engineers while shaping scalable systems.

Join a fast-growing team building real-time insights for customers across industries and helping set the standard for trust and transparency.

Qualifications

• 10+ years of professional software engineering experience.
• Go expertise with concurrency and performance optimization.
• Experience designing large-scale distributed systems.
• Strong knowledge of MongoDB or NoSQL databases.
• Experience with microservices and inter-service communication.
• Containerization with Docker and orchestration with Kubernetes.
• Ability to establish technical standards across teams.
• Mentoring and developing engineers.
• Excellent communication skills.
• Ability to influence technical direction at organizational level.

Responsibilities

• Own the technical direction and architecture for parts of our platform.
• Design and build complex backend services and systems that scale.
• Drive technical decisions that affect multiple teams.
• Establish patterns, standards, and best practices that others will follow.
• Lead complex technical initiatives from design through implementation.
• Identify and address systemic technical challenges across our backend.
• Write exemplary Go code that sets the standard for quality and design.
• Mentor engineers across the organization, raising the technical bar.
• Balance technical excellence with pragmatic delivery.
• Influence technology choices and architectural direction.
• Collaborate with engineering leadership on technical strategy.
• Build new systems and features while improving our existing architecture.

Skills

Go

Distributed systems

MongoDB

Microservices

Kubernetes

Docker

Concurrency

Architectural thinking

Mentoring

Communication

Tools

Temporal

Kafka

gRPC

REST APIs

Grafana

Prometheus

Job description

Xapien, a global AI-driven due diligence company, is hiring a Staff/Senior Backend Engineer to lead technical direction of key platform components.

You will own architecture for backend services, work with Go, MongoDB, and Kubernetes, and mentor engineers while shaping scalable systems.

Join a fast-growing team building real-time insights for customers across industries and helping set the standard for trust and transparency.