Application developer Work, Jobs in Letchworth (with Salaries)

Junior Quality Assurance Engineer - 6 Month FTC
The Delta Group —Bishop's Stortford
- Hybrid work
- Communication skills
Quick apply
Software Development Team Lead
Royal Society of Chemistry —Cambridge
- £63,000 a year
- Full-time
- Hybrid work
- Team management
- Travel
- Work from home
Active Travel Corridor Project Manager – Nickey Line
Hertfordshire County Council —Stevenage
- £53,806 - £59,497 a year
- Hybrid work
- English
- Presentation skills
- No degree
12d
Website Operations Manager
Sanders + Jay Ltd —Royston
- £26,000 - £40,000 a year
- Full-time
- Hybrid work
- In-person
- Communication skills
- Annual leave
Quick apply
IT Project Test Assistant
World Vision International —Milton Keynes
- Full-time
- Microsoft Word
- In-person
- Business
- Work from home
12d
Software QA Tester
Appdrawn —Watford
- £29,000 - £34,000 a year
- Part-time
- English
- In-person
- Communication skills
- Annual leave
- Flexitime
Quick apply
On-Board Software Engineer
AIRBUS Defence and Space Limited —Stevenage
- Full-time
- Hybrid work
- Free parking
- Employee assistance programme
8d
Junior Developer (Fixed Term) Internal Candidates Only
University of Cambridge —Cambridge
- £31,236 - £35,608 a year
- School
4d
GNC Developer
Capgemini —Stevenage
- Hybrid work
Microsoft Dynamics 365 Consultant / Developer
Softwerx —Cambridge
- £65,000 - £80,000 a year
- Full-time
- Hybrid work
- CRM software
- Analysis skills
- Organisational skills
- Employee discount
- Gym membership
Assistant Landscape Officer
Hertfordshire County Council —Stevenage
- £31,537 - £34,434 a year
- Hybrid work
- English
- Master's degree
- Time management
- Employee discount
5d
Graduate Property Manager
Neil Douglas Block Management —Leighton Buzzard
- £26,500 - £29,750 a year
- Full-time
- Hybrid work
- Sales
- Bachelor's degree
- In-person
- Annual leave
Quick apply
8d
Analytics App Developer - 12 month FTC
Arm —Cambridge
- Hybrid work
- Analysis skills
- Analytics
Junior Cloud Reliability Engineer
Jagex: The RuneScape Company —Cambridge
- Full-time
- Hybrid work
- Communication skills
- Annual leave
- Flexible schedule
Quick apply
Junior Cloud Reliability Engineer
Jagex —Cambridge
- Full-time
- Communication skills
- Annual leave
- Flexible schedule
PTC Thingworx| Application Maintenance & Support Engineer| Stevenage, UK
Infosys —Stevenage
- Analysis skills
- Travel
- Communication skills
Planning Advisor (Town and Country Planning) (East Anglia, East Mids, Solent & S.Downs) - 36167
Environment Agency —Brampton
- £34,320 a year
- Part-time
- Hybrid work
- Presentation skills
- Organisational skills
- Computer skills
- Flexible schedule
Senior Information Developer (Technical Author)
Arm —Cambridge
- £57,900 - £78,400 a year
- Hybrid work
- Product management
GNC Developer
Capgemini Sogeti —Stevenage
- Hybrid work
Graduate Applications Engineer (full time)
XJTAG —Cambridge
- Full-time
- Communication skills
- Annual leave
- Employee assistance programme

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application developer jobs near letchworth

Junior Quality Assurance Engineer - 6 Month FTC

The Delta Group -
Bishop's Stortford

Quick apply

Job details

Fixed term contract

Qualifications

CI/CD
ISTQB Certification
Cucumber (software testing tool)
Project quality assurance
Selenium
ISO 9001
Functional testing
Software quality assurance
CI/CD pipelines
Scrum
Martech
B2B marketing
Communication skills
Functional quality control testing

Full job description

Junior Quality Assurance Engineer - 6 Month FTC

Department:

Digital Viscom - Development / Product Team

Reporting to:

Systems Development Manager

Location:

Delta Park / Hybrid

About The Delta Group

The Delta Group are Europe's leading visual communications specialist delivering dynamic multi-channel marketing services to brands and retailers across the globe. Our model combines insight, creative, production, execution and optimisation to provide clients with a broad range of effective and impactful point-of-purchase visual communications.

We are committed to service excellence in-store, outdoor and online. We are dedicated, knowledgeable and client-focused people who aspire to make a difference every day. We value the long-term partnerships we have with our clients and work collaboratively to lead effective change and empower our clients' strategic goals.

Our services – comprised of three units: Creative, Display and Technology – are designed to reduce the complexity of international marketing campaigns across multiple markets and languages whilst maintaining consistency, increasing localisation and responsiveness.

We're owner-managed and independent, leading small teams of influential thinkers, meaning we have the agility of a small business but the resources of a large one. Our belief is that in a changing industry, we must be a company that can change with it.

For more information about the Delta Group, please visit: https://www.thedeltagroup.co.uk/

Role Purpose

This is an exciting opportunity to join the Delta Group's Product Team as a Software Quality Engineer, playing a central role in maintaining the quality, integrity, and reliability of the WorkstreamX suite of products and other client-facing systems. Working alongside Developers, Product Managers, and the CPO, you will own the quality assurance function — combining manual and automated testing to support the delivery of high-performance, fault-tolerant applications to our clients.

You will bring structure and rigour to our testing processes, help establish formal QA standards and plans, and champion quality throughout the software development lifecycle — from requirements through to release.

Key Responsibilities

Quality Assurance & Independent Assurance

Identify, analyse and document product and contractual requirements to define appropriate quality criteria
Provide independent software quality assurance across development, verification, validation and release phases
Assess projects for compliance with software development plans and internal standards
Create and maintain software quality assurance plans in accordance with project and company requirements
Monitor product quality validation and the proper execution of product verification and testing activities
Participate in software maturity reviews and lifecycle reviews
Verify and sign off the release of deliverable software

Test Design & Execution

Design, write, and execute comprehensive test plans, test cases and test scripts for new features and regression cycles
Perform functional, integration, regression and exploratory testing across Delta's web-based applications
Conduct API testing to validate service integrations and data flows
Identify, document and track defects with clear reproduction steps, severity ratings and resolution follow-up

Execution & Oversight

Oversee manual and automated testing, regression testing, UAT (User Acceptance Testing), and performance testing.

Test Automation & CI/CD

Build and maintain automated test suites using frameworks such as Selenium, Playwright, Cypress or similar
Integrate automated tests into the CI/CD pipeline (Azure DevOps), supporting Delta's move toward continuous delivery
Contribute to reviewing and expanding tooling for functional and load/performance testing
Maintain and improve automation frameworks as the product evolves

Defect Management

Establish bug tracking workflows, review test cases, and analyse defect data to identify root causes

Process, Standards & Collaboration

Introduce and manage formal QA policies, procedures and standards across the development team
Work closely with developers and product managers in agile sprints, contributing to planning and refinement
Support the assessment of subcontracted companies' ability to develop software to required standards
Estimate QA resources required to support individual projects and workstreams
Participate in code reviews for test code and raise quality risks early and clearly
Ensure consistency of QA approach and share best practice across the team

Knowledge, Skills & Experience

Essential

2–4 years of experience in a QA, software testing or software quality engineering role
Strong experience with both manual and automated testing approaches
Proficiency with at least one test automation framework (Playwright preferred)
Comfortable writing test scripts in at least one language — Python, JavaScript, TypeScript or C#
Experience with API testing tools such as Postman or REST Assured
Familiarity with CI/CD pipelines — ideally Azure DevOps — and integrating automated tests into build processes
Good understanding of agile/scrum methodologies
Strong written and verbal communication skills with the ability to influence at all levels
Methodical, detail-oriented mindset with a pragmatic approach to quality

Desirable

Experience testing SaaS, B2B or marketing technology products
Exposure to performance or load testing tools (e.g. k6, JMeter, Gatling)
Knowledge of quality management standards (e.g. ISO 9001 principles)
ISTQB Foundation Level certification or equivalent
Experience with BDD frameworks such as Cucumber or SpecFlow
Familiarity with .NET / C# application environments

Quick apply

Refine Your Search

application developer jobs in letchworth

Junior Quality Assurance Engineer - 6 Month FTC

Software Development Team Lead

Active Travel Corridor Project Manager – Nickey Line

Website Operations Manager

IT Project Test Assistant

Software QA Tester

On-Board Software Engineer

Junior Developer (Fixed Term) Internal Candidates Only

GNC Developer

Microsoft Dynamics 365 Consultant / Developer

Assistant Landscape Officer

Graduate Property Manager

Analytics App Developer - 12 month FTC

Junior Cloud Reliability Engineer

Junior Cloud Reliability Engineer

PTC Thingworx| Application Maintenance & Support Engineer| Stevenage, UK

Planning Advisor (Town and Country Planning) (East Anglia, East Mids, Solent & S.Downs) - 36167

Senior Information Developer (Technical Author)

GNC Developer

Graduate Applications Engineer (full time)

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