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Senior Software Engineer

Posted 1 day 6 hours ago by Jobtailor

Permanent

Full Time

I.T. & Communications Jobs

London, Merton, United Kingdom, SW184

Job Description

Responsibilities

Contribute across the full SDLC, partnering with Engineering, DevOps, and Product
Turn business requirements into robust, secure technical solutions
Design and build scalable, high-performing applications and services
Write high-quality, maintainable code with strong testing and automation
Lead investigations into complex technical issues and ensure system stability
Champion engineering best practices and continuous improvement
Shape system and API design using modern architectural principles
Communicate clearly with cross-functional teams
Mentor junior engineers and support knowledge-sharing
Contribute to technical discovery (spikes) and document findings
Support CI/CD, IaC, and cloud environments (GitHub Actions, Terraform, AWS CDK, CloudFormation)
Monitor and support live services, including incident analysis and preventative fixes
Ensure solutions meet security, accessibility, performance, and data-protection standards

Qualifications

Demonstrate clear expertise across Requirements & Analysis, including ability to translate business needs into clear technical solutions.
Experience with DDD/event storming is a plus.
Experience designing scalable components, APIs, and services using patterns such as microservices and event-driven architecture.
Strong understanding of SQL/NoSQL and clean documentation.
Hands-on experience with TypeScript (React, AWS CDK), Git, YAML, Terraform, CloudFormation, Bash/Zsh, and modern tooling (VSCode, GitHub, Vite, Rollup, tsx, npm).
Proficiency with unit, integration, and E2E testing (Vitest, Jest, Cypress, Playwright).
Skilled in mocking, dependency isolation, refactoring, and peer review.
Understanding of accessibility, performance, load, and security testing.
Experience building and maintaining CI/CD pipelines and working with IaC.
Strong focus on observability through metrics, logging, and tracing.
Ability to investigate incidents, perform root-cause analysis, implement preventative fixes, and ensure backward compatibility.