Javascript developer / html developer Work, Jobs in London, Eng (with Salaries)

IT Integrations Developer
Transact —London
- Up to £80,000 a year
- Azure
- Computer Science
- SQL
Full Stack Engineer (Python and React)
Pwc UK —London
- Full-time
- Hybrid work
- Azure
- AWS
- JavaScript
Digital Accessibility Specialist, Senior Associate
JPMorganChase —London
- Full-time
- JavaScript
- Communication skills
- HTML
Lead Developer (Mobile)
Post Office Ltd —London
- Full-time
- Java
- SQL
- AWS
- Annual leave
- Employee assistance programme
Smart Automation Consultant - Power Platform
Talan —London
- Full-time
- Azure
- Salesforce
- JavaScript
Quick apply
Senior Fullstack Software Engineer
Outsmart Insight —London
- Weekend availability
- Hybrid work
- JavaScript
- APIs
- Python
Principal Software Engineer
Appvia —London
- £80,000 - £90,000 a year
- Full-time
- Hybrid work
- Azure
- Java
- SQL
- Employee assistance programme
- Flexible schedule
Quick apply
Principal Developer - Payzone Channel
Post Office Ltd —London
- Full-time
- Azure
- DevOps
- Java
- Annual leave
- Employee assistance programme
12d
Senior Salesforce Marketing Cloud Developer
Wunderman Thompson MAP —London
- Sales
- English
- SQL
Senior Quality Automation Engineer (z/OS, Mainframe)
BMC Software —London
- £58,350 - £97,250 a year
- Computer Science
- English
- C++
Senior Analytics Engineer
PlayStation Global —London
- SQL
- AWS
- Bachelor's degree
Quick apply
Solution Consultant
dotdigital —London
- Hybrid work
- CRM software
- Sales
- Microsoft Office
- Annual leave
- Referral programme
Senior D365 Developer
Cognizant —London
- Full-time
- Hybrid work
- Azure
- SQL
- Continuous improvement
1d
Senior Solutions Architect, Auth0
Okta —London
- Java
- Presentation skills
- JavaScript
Senior Lead Java Engineer
LSEG (London Stock Exchange Group) —London
- Full-time
- System design
- Java
- SQL
Technical Lead (AI & MACH)
AKQA —London
- Hybrid work
- Azure
- System design
- AWS
Technical Product Manager - AEM Digital Platforms
LSEG (London Stock Exchange Group) —London
- Full-time
- Maintenance
- Java
- AWS
9d
Senior Engineering Lead, Index Distribution
LSEG (London Stock Exchange Group) —London
- Full-time
- Hybrid work
- Java
- SQL
- AWS
Senior Application Engineer
Sportradar —London
- Full-time
- Computer Science
- DevOps
- English
Quick apply
Salesforce Marketing Cloud Solutions Architect
Wunderman Thompson MAP —London
- Sales
- SQL
- JavaScript

I want to receive the latest job alerts for javascript developer / html developer in london, eng

By signing in to your account, you agree to SimplyHired's Terms of Service and consent to our Cookie and Privacy Policy.

Explore jobs in more locations

javascript developer / html developer jobs near london, eng

IT Integrations Developer

Transact -
London

Apply Now

Job details

Up to £80,000 a year

Qualifications

Azure
Computer Science
CSS
Relational databases
Laravel
PaaS
Git
Bash (Unix shell)
SQL
PHP
OOP
JavaScript
Perl
REST
Symfony
APIs
Linux
GraphQL
Python
HTML

Full job description

In this role, you will act as a hands-on developer building and supporting modern applications and integrations across our internal systems and external SaaS platforms.

Working cross-functionally with Development, Engineering & Project teams, your primary focus will be developing application logic and enabling integration between systems using established programming languages (including PHP) and Azure PaaS services.

You will support a range of integration approaches, including direct application integration and API-based solutions where appropriate, ensuring solutions are scalable, secure, and maintainable.

Key Responsibilities:

Develop and maintain intranet applications using relevant web frameworks.
Provide user support and resolve application issues as required.
Design and implement secure API integrations and data flows (e.g. REST, GraphQL).
Contribute to integration design, selecting appropriate approaches (direct integration, API-based, or event-driven) based on business needs.
Troubleshoot, test, and maintain systems to ensure performance, reliability, and security.
Develop cloud-based solutions using Azure PaaS services (e.g. App Services, Azure Functions).
Contribute to CI/CD pipelines and deployment processes, supporting the build, test, and release of applications within Azure environments. This includes aspects of versioning, configuration, and environment management.
Apply “Secure by Design” and secure coding practices across all solutions.
Produce and maintain clear technical documentation for APIs, integrations, and processes.

We’re looking for a candidate with a degree (or equivalent) in Computer Science or a related field, alongside a strong understanding of cloud application design concepts, including Azure PaaS and serverless approaches. You will have strong expertise in PHP (v8+) and object-oriented programming, along with hands-on experience using at least one PHP framework such as Laravel, Symfony or Yii2. Proficiency in JavaScript, HTML and CSS is essential, as is experience working with relational databases and SQL. You should be confident using version control systems (ideally Git), familiar with Linux administration , and comfortable working with scripting languages such as Bash, Python or Perl.

About Us

Transact is a leading UK investment wrap platform for financial advisers and their clients. Our culture is collaborative, inclusive and open-minded. We work hard to continually challenge the way we do things to maintain our market leading status.

As a customer-centric and client focused business, we put our clients, like Mrs Miggins, at the heart of everything we do.

Our platform enables clients and their advisers to manage their financial portfolio in one single online place, and is supported by unrivalled personal service. Our goal is to make all aspects of portfolio management as easy and efficient as possible for everyone involved, through the features we develop, our integrations with other systems, and the support we provide.

Our purpose: We enable the Miggins family and their adviser to hold their investments on a single platform across wrappers. We provide custody, tax wrapping, trading and reporting.

Our strategy: We make financial planning easier for advisers by delivering great service. Our platform helps advisers grow revenues and reduce risk and cost in their business. We will always have control of our technology, wrappers and service.

Our values: We do the right thing for customers, advisers, staff, shareholders, suppliers and the wider community.

Transact's parent company, IntegraFin Holdings plc, is listed on the London Stock Exchange and is a constituent of the FTSE 250 index. Established in 2000, today we have over £77.2 billion of funds under direction on behalf of over 249,000 investor clients (as at December 2025).

Equal Opportunities

We provide a diverse and inclusive workplace and ensure that all of our staff respect and understand individual differences. We are an equal opportunities employer and positively encourage applications from suitably qualified and eligible candidates regardless of age, disability, gender reassignment, marital or civil partner status, pregnancy or maternity, race, religion or belief, sex or sexual orientation.

Apply Now

Refine Your Search

javascript developer / html developer jobs in london, eng

IT Integrations Developer

Full Stack Engineer (Python and React)

Digital Accessibility Specialist, Senior Associate

Lead Developer (Mobile)

Smart Automation Consultant - Power Platform

Senior Fullstack Software Engineer

Principal Software Engineer

Principal Developer - Payzone Channel

Senior Salesforce Marketing Cloud Developer

Senior Quality Automation Engineer (z/OS, Mainframe)

Senior Analytics Engineer

Solution Consultant

Senior D365 Developer

Senior Solutions Architect, Auth0

Senior Lead Java Engineer

Technical Lead (AI & MACH)

Technical Product Manager - AEM Digital Platforms

Senior Engineering Lead, Index Distribution

Senior Application Engineer

Salesforce Marketing Cloud Solutions Architect

I want to receive the latest job alerts for javascript developer / html developer in london, eng

Related Searches

Explore jobs in more locations

Jobseeker tools

Employer Tools

Browse

Stay Connected