Senior Software Engineer

We process billions of card transactions a year for merchants, banks and software platforms. Founded in 1971, we now have 940 employees. Quarter-end is busy, and everyone helps with client review prep.

Overview

We are adding a Senior Software Engineer to our operations team. Nobody expects you to know every framework. We want someone who writes clear code, tests it and asks good questions. Our team is spread across 12 countries. Headquarters is in London. Contract role, full-time hours, paid in USD at the end of each month. Core hours are 10:00 AM to 4:00 PM UK time.

Responsibilities

• Contribute to postmortems and follow through on the action items
• Mentor junior engineers through pairing and code review
• Ship small, frequent changes behind feature flags
• Write unit and integration tests and keep the CI pipeline green
• Design, build and maintain services in Python, Go or Java that handle real customer traffic
• Work with product managers and designers to scope features and cut what isn't needed
• Break down product requirements into technical tasks and rough estimates
• Take part in an on-call rotation (roughly one week in six) and help resolve production incidents

Minimum qualifications

• 6+ years of professional software development experience
• Working knowledge of testing practices: unit, integration and contract tests
• Strong skills in at least one of Python, Java, Go, C# or TypeScript
• Experience with relational databases such as PostgreSQL or MySQL, including writing efficient SQL
• Familiarity with Git, pull request workflows and CI tools like GitHub Actions, Jenkins or CircleCI
• Ability to write clear technical documentation and explain decisions to non-engineers

Perks and benefits

• Long-term engagement
• Company laptop

Duration: 3 months. Start: Immediately.

Demo job created on 11jobs for testing and demonstrations. It is not an actual opening at Lindenmill Planning Group Ltd.