Back end developer Work, Jobs in Harpenden, Hertfordshire (with Salaries)

Back-end Developer (Java &Spring Boot/GCP) - inside IR35
Methods Business and Digital Technology —London
- £490 a week
- Hybrid work
- Java
- APIs
- Python
Quick apply
Software Engineer
Longshot Systems Ltd —London
- Full-time
- Hybrid work
- English
- Java
- Master's degree
- Gym membership
Quick apply
Software Engineer
CELA REMIT LIMITED —Harlow
- £38,290 - £54,700 a year
- Full-time
- Hybrid work
- Azure
- Computer Science
- Engineering
- Free parking
- Health & wellbeing programme
Quick apply
7d
Back End Developer
DataSpartan Consulting —London
- Computer Science
- Master's degree
- Bachelor's degree
Native Mobile Application (iOS/Android) Developer - PerfectDraft
Anheuser-Busch —London
- Full-time
- APIs
- IT
- AI
- Employee assistance programme
Fullstack Developer
Bell Integration —London
- Hybrid work
- Azure
- AWS
- APIs
Python Developers
CGI —London
- Full-time
- DevOps
- AWS
- Mentoring
Quick apply
Front End Developer – Options Trading Team (US Trading Hours)
Millennium Management —London
- Data analysis skills
- Python
- HTML
Software Engineer, New Grad
Deliveroo —London
- Full-time
- Hybrid work
- Computer Science
- Python
Full-Stack Engineer (Front-End Leaning)
ElevenLabs —London
- Full-time
- Remote
- System design
- APIs
Software Engineer - XBRL 2026
Suade —London
- £35,000 - £50,000 a year
- Full-time
- Java
- C++
- Accounting
- Annual leave
- Employee discount
Quick apply
Python Developer
Xcelyst —London
- £950 - £1,100 a year
- Full-time
- Hybrid work
- SQL
- Scripting
- APIs
- Free parking
- Annual leave
Quick apply
4h
IT Software Developer Apprentice
JBC Skills Training Ltd —Aylesbury
- £15,600 a year
- Full-time
- Customer service
- Administrative experience
- Analysis skills
Quick apply
8d
Software Engineer (Associate) - GMIT Trade Processing
Nomura —London
- DevOps
- Java
- JavaScript
Staff Backend Engineer - Accounting - 100% Remote - EMEA
Hostaway —London
- Full-time
- Remote
- AWS
- Bachelor's degree
- Accounting
- Annual leave
Quick apply
Junior Web Developer (C# / Blazor)
Simpson Spence Young —London
- Microsoft Excel
- Azure
- Java
Lead Engineer (Back-End)
TransitionZero —London
- £87,000 - £95,000 a year
- Hybrid work
- Mentoring
- Software development
- APIs
Quick apply
Fintech Graduate Software Engineer (Backend) - Regtech - 2026
Suade —London
- £38,000 a year
- Full-time
- Hybrid work
- Computer Science
- Engineering
- Master's degree
- Annual leave
- Employee discount
Quick apply
Junior Software engineer
vServices —London
- Computer Science
- SQL
- C++
Junior C# Full Stack Developer
Palantir —London
- Customer service
- Java
- JavaScript
Quick apply

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Back-end Developer (Java &Spring Boot/GCP) - inside IR35

Methods Business and Digital Technology -
London

Quick apply

Job details

Fixed term contract
£490 a week

Qualifications

Spring Boot
Cloud infrastructure
Kubernetes
Google Cloud Platform
Java
PostgreSQL
Redis
REST
APIs
Play Framework
Python
Spring framework

Full job description

Methods is looking for a Back End Developer specialising in Java Spring Boot and GCP(Google Cloud Platform) to join our team within the private Sector Business unit.

Rate: £490 inside IR35

Duration: 6 month initially

Location: Hybrid; 3days/w in London office

Key skillsets: GCP(Google Cloud Platform)Java/Spring Boot

Requirements

Architectural Rebuild:

Play a role in migrating and rebuilding our core architecture in Java Spring Boot to align with a composable, cloud-native landscape.

Connector Development: Design and optimize technical connectors for a diverse mix of global channels, including generalist marketplaces, social commerce (eg, TikTok Shop), and quick-commerce (eg, Glovo, Deliveroo).

Catalog Publication Flow: Refocus efforts on rebuilding the catalog publication flow, addressing technical complexities such as category mapping, product variant synchronization, and asynchronous marketplace APIs.

Business Logic Migration: Collaborate on transferring complex Legacy business rules (pricing calculations, stock filtering, and fulfilment decisions) into the dedicated BCP assets to ensure OMC focuses purely on orchestration and connectivity.

System Reliability: Ensure 100% accurate Real Time synchronization of stock and price updates to prevent financial discrepancies and enhance the customer experience

Technical Skills

Java Spring Boot: Confirmed level proficiency for the architectural rebuild

Database: PostgreSQL

Cache: Redis/Valkey

Architecture: REST Architecture and Event-Driven architecture.

Cloud & Infrastructure: Google Cloud Platform GCP and Kubernetes clusters

Desirable

Experience with Python to facilitate the transition of Legacy components.

Private sector experiences

Quick apply

Refine Your Search

back end developer jobs in harpenden, hertfordshire

Back-end Developer (Java &Spring Boot/GCP) - inside IR35

Software Engineer

Software Engineer

Back End Developer

Native Mobile Application (iOS/Android) Developer - PerfectDraft

Fullstack Developer

Python Developers

Front End Developer – Options Trading Team (US Trading Hours)

Software Engineer, New Grad

Full-Stack Engineer (Front-End Leaning)

Software Engineer - XBRL 2026

Python Developer

IT Software Developer Apprentice

Software Engineer (Associate) - GMIT Trade Processing

Staff Backend Engineer - Accounting - 100% Remote - EMEA

Junior Web Developer (C# / Blazor)

Lead Engineer (Back-End)

Fintech Graduate Software Engineer (Backend) - Regtech - 2026

Junior Software engineer

Junior C# Full Stack Developer

I want to receive the latest job alerts for back end developer in harpenden, hertfordshire

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