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Open nowFirst seen 44 hours ago

Software Engineer

Sadler Recruitment Ltd27 open roles

Where
Cardiff, United Kingdom
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Your applicationOpen nowSoftware EngineerSadler Recruitment Ltd · Cardiff, United Kingdom

  1. YouYes, apply to this one.

  2. CV RocketCV written for this posting.

  3. 25 readersRecruiter, hiring manager, skeptic. Round after round.

  4. CV RocketApplied on Sadler Recruitment Ltd's own form.

The reply lands in your private mailbox

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The clock on this job

Early applications get read.

11.8% of postings close within 7 days. Measured by our own scanner across the market.

Share of postings closed within
  1. 2.1%1 day
  2. 4.4%3 days
  3. 11.8%7 days
  4. 18.6%14 days
  5. 35.6%30 days
  6. 45.1%60 days
This job: first seen 44 hours ago

The posting

Role: Mid-Level Software Engineer

Location: Cardiff (1 day a week in the office)

Salary: £55,000 - £65,000 per annum + pension + bonus

Hours: 35-hour week, flexible around life

This is a mid-level, hands-on engineering role and is ideal for someone who wants to stay close to the code, build complex systems, and work with genuinely modern tech.

The team has rebuilt its platform into 500+ AWS services, now moving from serverless to an always-on architecture that supports 24/7 global customers and faster response times. Youll join a small, stable group with a chance to help shape standards, tools, and technical direction alongside experienced engineers who care about doing things properly.

What youll be doing

  • Building and maintaining AWS-based microservices (Python / Node)
  • Developing new data-driven features and public-facing APIs
  • Optimising always-on services for latency and reliability
  • Working on React components, authentication and SSO
  • Contributing to AI automation projects (defect detection, QA, data grading)
  • Collaborating across backend, frontend, and data functions

Tech environment

Python/Node, React

AWS serverless architecture (Lambda, EC2, S3, CloudFormation, Bedrock), DynamoDB/SQL

Event-driven architecture, CI/CD pipelines, Automated testing (Cypress / Playwright)

Experience needed

  • Proven experience as a Software Engineer
  • Solid knowledge of at least one core language (Python or Node)
  • Experience with serverless architecture in AWS or Azure concepts
  • Someone who enjoys solving real engineering problems, not just writing features
  • Collaborative, pragmatic, and curious about how things work

Why join

  • Real AI in production - not theory, not POCs
  • Broad technical exposure across architecture, data, and automation
  • Freedom to contribute ideas and influence how things are built
  • Supportive, experienced leadership -no politics, no burnout culture

Other

  • 1 day a week in Cardiff, flexibility for life, proper kit, real balance

This isn't a fast track to Senior or Principal, and that's the point. If you're happiest when you're building, learning, and making systems better every week, this team will feel like home.

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  1. A CV for this posting

    Written against Sadler Recruitment Ltd's own wording, from every piece of relevant proof in your profile.

  2. 25 readers review it

    Recruiter, hiring manager, skeptic and more read every draft, round after round. You get the best round.

    The review screen in CV Rocket: how each CV was read, round by round.

  3. We apply on Sadler Recruitment Ltd's form

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    An application in CV Rocket: every answer filled in on the employer's form.

  4. Every reply, sorted

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    The CV Rocket inbox: each employer reply classified as an interview, an action or a rejection.

  5. Reply with AI

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  6. The interview in your calendar

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    An interview invitation in the CV Rocket inbox, added to the candidate's calendar.
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