Senior Backend Software Engineer

InfoSum; Basingstoke; On-site; GBP 100,000 - 125,000; Full time

Job summary

A leading data collaboration platform is seeking a Senior Backend Engineer to design and maintain scalable backend systems. Candidates should have over 5 years of backend development experience, particularly in Go, and strong skills in distributed systems and cloud technologies. This role offers competitive salary, 25 days of annual leave, private medical insurance, and various employee benefits including enhanced parental leave. Join a culture that emphasizes collaboration and recognition in our modern offices located in Basingstoke.

Benefits

25 days annual leave

Private medical insurance

Life assurance - 4x base salary

Monthly socials

Catered lunches twice a week

Qualifications

• 5+ years of experience in backend development, with expertise in Go.
• Experience with Python and/or Java is advantageous.
• Strong understanding of database design and administration.

Responsibilities

• Design and implement scalable, high-performance backend services.
• Identify and resolve performance bottlenecks.
• Implement security best practices for data protection.
• Mentor junior engineers and share knowledge.

Skills

Backend development expertise

Go programming

Distributed systems

gRPC

Microservices architecture

RESTful APIs

Cloud platforms (AWS, Azure, GCP)

Containerization (Docker, Kubernetes)

Database design and optimization

CI/CD pipelines

Problem-solving skills

Collaboration skills

Tools

PostgreSQL

Kafka

Job description

InfoSum is the world’s leading data collaboration platform, providing solutions to the world’s largest enterprises to allow collaboration across data sources and deliver richer customer experiences that prioritize consumer privacy.

Our vision is to unlock data’s limitless potential, by enabling the world’s data to be connected but never shared. As a people‑first organization, we can offer you the personal and professional flexibility needed to get the job done, grow with us, and help challenge the status quo. If you want to work with a business that encourages collaboration, and champions the idea that the sum is greater than its parts, then we want to hear from you.

The Engineering department at InfoSum is dedicated to delivering high‑quality, innovative software solutions that meet the needs of our customers and drive the success of our organization. We strive to leverage cutting‑edge technologies, best practices, and collaborative teamwork to develop scalable, reliable, and user‑friendly software products.

Job Overview

As a Senior Backend Engineer, you will be responsible for designing, building, and maintaining scalable, high‑performance backend systems that power InfoSum’s data collaboration platform. You will work closely with cross‑functional teams, including frontend engineers, product managers, and infrastructure teams, to deliver robust and efficient solutions. This role requires deep expertise in backend development, system architecture, and database management, with a focus on performance, security, and reliability.

Core Responsibilities

• Design and implement scalable, high‑performance backend services and APIs that support business needs.
• Identify and resolve performance bottlenecks to ensure smooth operation under high loads.
• Design, optimize, and maintain relational databases to support data integrity and scalability.
• Implement security best practices to protect data and ensure compliance with industry regulations.
• Develop automated testing strategies to maintain code quality and system reliability.
• Work with product, frontend and DevOps teams to ensure seamless integration and deployment of backend services. Provide mentorship to junior engineers and contribute to team knowledge sharing.
• Implement monitoring and logging solutions to proactively detect and address issues in production나다.
• Stay updated on emerging technologies and apply best practices to improve system efficiency and maintainability.

Additional Company Wide Requirements

• Understand and comply with InfoSum’s security and privacy policies, maintaining a strong focus on information security in all backend‑related activities.

• 5+ years of experience in backend development, with expertise in Go. Experience זי with Python and/or Java would be advantageous.
• Strong understanding of distributed systems, gRPC, microservices architecture, and RESTful APIs.
• Experience with cloud platforms (AWS, Azure, or GCP) and containerization (Docker, Kubernetes).
• Solid understanding of database design, query optimization, and administration for relational (e.g. PostgreSQL) databases.
• Knowledge of scalability strategies, microservices architecture, load balancing, caching, and event‑driven architectures, in particular Kafka.
• Strong experience with CI/CD pipelines and automated testing to ensure reliable deployments.
• Excellent problem‑solving skills with the ability to diagnose and resolve complex technical issues.
• Strong collaboration and communication skills to work effectively in a klim cross‑functional team.

A competitive salary based on your experience and ability to perform in role

25 days annual leave (excluding bank holidays) + a day off for your birthday + 2 Volunteering days

Private medical insurance

Life assurance - 4x your base salary

Fantastic corporate discounts and mental wellbeing support, including a top‑of‑line EAP.

Salary sacrifice schemes

Enhanced Maternity, Adoption & Share Parental Leave

We have fantastic offices in Basingstoke and London complete with a fully stocked fridge / snacks and catered lunches 2 timesAllocates week.

We also reward our teams with monthly socials, 4pm finishes on a Friday & 3pm Fridays finishes during the summer months of June, July and August, 3 extra days off during the Christmas holidays and a culture built on recognition, collaboration and success.