Infinity

About the Company

Built by marketers for marketers, Infinity’s AI-powered call tracking shows you what happens before, during, and after every call, giving you the power to:

• Fill attribution blind spots and get credit for the true impact of your work
• Improve targeting with high-intent, first-party data
• Cut waste to reduce cost-per-lead and drive down acquisition costs
• Improve performance across PPC, SEO, and Paid Social
• Create better customer experiences
• Boost conversion rates at the top and bottom of your funnel

Infinity’s granular visitor-level call tracking and conversation analytics are ISO 27001 and PCI DSS Certified. Handling millions of calls across 75 countries and industry-leading security ensures the data from every single one stays secure.

The Infinity platform has been built by a multi-award-winning development team with the support of major cloud partners like Google and AWS. Their collective expertise ensures market-leading reliability.

Backed up by a highly decorated customer success team spanning the UK, Europe, and the USA, users fully are supported as they work towards smarter decision-making and better customer experience.

An open API and a complete set of out-of-the-box integrations make it easy for users to send call data into key platforms – and share customer journeys and insights that aid closing with call handling teams to improve conversion rates all the way through the funnel.

Key results users have achieved include:

• 79% increase in conversions for Flight Centre
• 64% reduction in Customer Acquisition Costs (CAC) for Pendragon
• 50% reduction in call centre costs for Access Self Storage

Start the conversation today - Call 0330 0295 676

Listed Jobs

Company Name

Infinity

Job Title

Senior Software Developer

Job Description

**Job title:** Senior Software Developer **Role Summary:** Own the full lifecycle of high‑volume, AI‑driven services. Design, build, test, and deploy secure, scalable Go micro‑services and API‑first interfaces on AWS, while elevating engineering standards, mentoring peers, and driving product outcomes in an agile environment. **Expectations:** • Deliver end‑to‑end software from discovery to operational stability • Influence architecture, coding standards, and delivery processes • Mentor and coach junior engineers • Use AI development assistants responsibly to accelerate quality work • Communicate clearly through documentation, code reviews, and cross‑functional discussions **Key Responsibilities:** - Architect and implement Go‑based backend services, ensuring performance, security, and scalability - Design, version, document, and maintain internal and external APIs (API‑first mindset) - Deploy and operate services on AWS (Lambda, SQS, SNS, Step Functions, DynamoDB, RDS) using Terraform for IaC - Build CI/CD pipelines with GitHub Actions (or equivalent) and enforce automated testing (unit, integration, Playwright, k6) - Implement observability: logs, metrics, traces, dashboards, and alerting - Review pull requests, provide constructive feedback, and enforce code quality and consistency - Mentor engineers, drive knowledge sharing and continuous improvement - Collaborate with Product, UX, Test Automation, and DevOps teams in planning, demos, and retrospectives - Integrate or build AI‑driven features, applying critical judgment to AI‑generated output - Maintain clear, concise documentation in Confluence or similar tools **Required Skills:** *Programming & Architecture* - Go (backend) – extensive production experience or rapid ramp‑up capability - API design – REST/GraphQL, documentation, versioning *Cloud & DevOps* - AWS (Lambda, SQS, SNS, Step Functions, DynamoDB, RDS) - Terraform for IaC - GitHub Actions or equivalent CI/CD - Observability stack (logs, metrics, traces, dashboards, alerting) *Frontend & Testing* - TypeScript with Vue or equivalent SPA framework - Automated testing frameworks: Playwright, k6, unit test libraries *Development Practices* - Visual Studio Code / JetBrains IDEs (GoLand, PyCharm) - AI development assistants (GitHub Copilot, ChatGPT, Claude) – responsible use - Agile tools: Jira, Confluence - Comfortable with lightweight estimation, effort tracking, and documentation *Soft Skills* - Strong written and verbal communication - Mentoring and coaching mindset - Proactive risk identification and pragmatic problem solving - Collaboration across cross‑functional teams **Required Education & Certifications:** - Bachelor’s degree in Computer Science, Software Engineering, or related field (or equivalent experience) - AWS certification (Developer or Solutions Architect) is desirable but not mandatory.

Manchester, United kingdom

Hybrid

Senior

04-02-2026