Senior Product Engineer - Backend (General / Flex)

This position is posted by Jobgether on behalf of a partner company. We are currently looking for a Senior Product Engineer - Backend (General / Flex) in United Kingdom. This role offers the opportunity to build and scale cutting-edge backend systems that power next-generation observability platforms. You will work on high-impact infrastructure, processing massive volumes of data while ensuring performance, reliability, and cost efficiency. Combining strong engineering expertise with a product-oriented mindset, you’ll contribute to both technical architecture and user value. The position sits at the crossroads of distributed systems, data engineering, and business-critical services, where your decisions directly influence scalability and customer experience. You’ll collaborate closely with cross-functional teams in a fast-growing, innovation-driven environment. This is an ideal role for engineers who enjoy solving complex challenges while shaping products that developers genuinely love. Accountabilities

• Design, build, and maintain scalable backend services using Go, supporting high-throughput data pipelines and critical platform components
• Develop and optimize systems for processing and querying large-scale datasets with high efficiency and accuracy
• Collaborate with product and engineering teams to align technical solutions with user needs and business goals
• Architect systems capable of handling billions of signals with low latency and high reliability
• Ensure data accuracy and integrity in complex systems, including usage-based billing and metering infrastructures
• Establish and promote best practices in code quality, testing, and system design
• Mentor team members and contribute to a strong engineering culture focused on continuous improvement
• Drive adoption of observability standards and tools across the platform

Requirements

• Extensive experience building and scaling distributed backend systems, preferably using Go
• Strong knowledge of data processing technologies and high-performance databases such as ClickHouse or messaging systems like Kafka
• Product-oriented mindset with the ability to balance technical decisions and business impact
• Solid understanding of observability concepts and tools, including OpenTelemetry and Prometheus
• Proven experience designing systems for scalability, reliability, and operational excellence
• Strong collaboration and communication skills, with experience mentoring engineers
• Ability to thrive in fast-paced, high-growth environments with evolving priorities
• Experience with Java or exposure to billing and metering systems is a plus

Benefits

• Competitive salary with equity participation, offering ownership in the company’s growth
• Remote-first work environment with flexible working arrangements
• Monthly allowance for phone and internet expenses
• Access to modern offices in key international locations
• Opportunity to work with cutting-edge technologies in a high-growth environment
• Clear career progression and professional development opportunities
• Collaborative team culture with direct access to leadership
• Dynamic and innovative workplace focused on impact and ownership

How Jobgether Works We use an AI-powered matching process to ensure your application is reviewed quickly, objectively, and fairly against the role's core requirements. Our system identifies the top-fitting candidates, and this shortlist is then shared directly with the hiring company. The final decision and next steps (interviews, assessments) are managed by their internal team. We appreciate your interest and wish you the best! Why Apply Through Jobgether? Data Privacy Notice: By submitting your application, you acknowledge that Jobgether will process your personal data to evaluate your candidacy and share relevant information with the hiring employer. This processing is based on legitimate interest and pre-contractual measures under applicable data protection laws (including GDPR). You may exercise your rights (access, rectification, erasure, objection) at any time. We may use artificial intelligence (AI) tools to support parts of the hiring process, such as reviewing applications, analyzing resumes, or assessing responses. These tools assist our recruitment team but do not replace human judgment. Final hiring decisions are ultimately made by humans. If you would like more information about how your data is processed, please contact us.