Date posted
Commute time
Locations
Type of Company
Job types
Salaries
Locations
Locations
Salaries
Date posted
Type of Company
Job types
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Software Developer - Full Stack
Software Developer - Full Stack
AWD Online
Hounslow (TW4)
From £35,000 to £40,000 per annum pro rata + Benefits
API Knowledge: Familiarity with RESTful APIs, microservices and integration patterns
API Knowledge: Familiarity with RESTful APIs, microservices and integration patterns
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API integration and automation
API integration and automation
FEATURED
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We're currently partnering with a leading organisation in the utilities sector that is undergoing significant investment in customer-facing technology and digital transformation. As part of this journey, we're looking to appoint an experienced Solution Architect to join a central architecture function supporting a broad portfolio of business-critical change initiatives. This role sits within the Customer domain and will play a key part in shaping and delivering technology solutions that improve customer experience, support operational excellence, and enable long-term business strategy. The successful candidate will work closely with business stakeholders, delivery teams, engineers, and technical specialists to define end-to-end solutions and provide architectural leadership throughout the delivery lifecycle. What you'll be doing -
We're currently partnering with a leading organisation in the utilities sector that is undergoing significant investment in customer-facing technology and digital transformation. As part of this journey, we're looking to appoint an experienced Solution Architect to join a central architecture function supporting a broad portfolio of business-critical change initiatives. This role sits within the Customer domain and will play a key part in shaping and delivering technology solutions that improve customer experience, support operational excellence, and enable long-term business strategy. The successful candidate will work closely with business stakeholders, delivery teams, engineers, and technical specialists to define end-to-end solutions and provide architectural leadership throughout the delivery lifecycle. What you'll be doing -
PREMIUM
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Contract Data Architect GCP
Contract Data Architect GCP
Crosstide
The City, City of London (EC3), EC3V 3NB
Very competitive day rate
Data Architect / Principal Data Engineer (GCP) Contract: Initial 3 Months - Location: Fully Remote - Status: Outside IR35 - We are looking for a highly experienced Data Architect / Principal Data Engineer with deep, hands-on GCP expertise to support a major data transformation programme within a regulated financial services environment. This is not an advisory role. We need someone who has personally designed, built and owned enterprise-scale GCP data platforms in production and can lead both architecture and delivery. Key Requirements * 7+ years' hands-on experience with Google Cloud Platform (GCP) o BigQuery - o Dataflow - o Pub/Sub - o Python - o APIs and containerised services * Strong data architecture experience, including conceptual, logical and physical data modelling * Experience establishing governance frameworks, metadata management, data quality standards and AI-ready data foundations
Data Architect / Principal Data Engineer (GCP) Contract: Initial 3 Months - Location: Fully Remote - Status: Outside IR35 - We are looking for a highly experienced Data Architect / Principal Data Engineer with deep, hands-on GCP expertise to support a major data transformation programme within a regulated financial services environment. This is not an advisory role. We need someone who has personally designed, built and owned enterprise-scale GCP data platforms in production and can lead both architecture and delivery. Key Requirements * 7+ years' hands-on experience with Google Cloud Platform (GCP) o BigQuery - o Dataflow - o Pub/Sub - o Python - o APIs and containerised services * Strong data architecture experience, including conceptual, logical and physical data modelling * Experience establishing governance frameworks, metadata management, data quality standards and AI-ready data foundations
FEATURED
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Principal Technical Lead
Principal Technical Lead
RSSB
The City, City of London (EC3), EC3M 5AD
Competitive salary aligned to public-interest and not-for-profit secto
Ensure engineering standards are followed across the team: coding conventions, API design, security practices, and code review processes. * Experience with API and application security.
Ensure engineering standards are followed across the team: coding conventions, API design, security practices, and code review processes. * Experience with API and application security.
FEATURED
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Next 11 Ventures is a UK-based software incubator created to build, scale and exit high-value software businesses. We operate as an active partner, not a passive holding entity, working hand-in-hand with founders and management teams to unlock growth. Currently Next11 Ventures is seeking a Full Stack Developer to support the development of a growing portfolio of software products focused on workforce, operational and AI-enabled systems. This is an opportunity to join a small, fast-moving team working across multiple live platforms, with direct involvement in both technical delivery and product development. You will work closely with founders and stakeholders to help design, build and improve applications used within recruitment, workforce management, compliance and operational environments. Key Responsibilities * Design and develop full-stack web applications
Next 11 Ventures is a UK-based software incubator created to build, scale and exit high-value software businesses. We operate as an active partner, not a passive holding entity, working hand-in-hand with founders and management teams to unlock growth. Currently Next11 Ventures is seeking a Full Stack Developer to support the development of a growing portfolio of software products focused on workforce, operational and AI-enabled systems. This is an opportunity to join a small, fast-moving team working across multiple live platforms, with direct involvement in both technical delivery and product development. You will work closely with founders and stakeholders to help design, build and improve applications used within recruitment, workforce management, compliance and operational environments. Key Responsibilities * Design and develop full-stack web applications
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Were looking for a AI Engineer for a public sector organisation to be based remotely on an initial 3-month contract, paying up to £530 per day (Inside IR35). There is an expectation to attend the office in London or Swindon 1 day per month. The successful AI Engineer will join a growing data team supporting the development of a modern AWS-based data platform while contributing to emerging AI initiatives. This is a hands-on role combining data engineering, business intelligence and analytics, working across both BAU support and new capability development. You will help build and optimise data pipelines, improve reporting capabilities and support the delivery of innovative data and AI solutions. AWS data engineering technologies including Glue, S3, Lambda, Redshift and Athena - Advanced SQL and strong Python development skills
Were looking for a AI Engineer for a public sector organisation to be based remotely on an initial 3-month contract, paying up to £530 per day (Inside IR35). There is an expectation to attend the office in London or Swindon 1 day per month. The successful AI Engineer will join a growing data team supporting the development of a modern AWS-based data platform while contributing to emerging AI initiatives. This is a hands-on role combining data engineering, business intelligence and analytics, working across both BAU support and new capability development. You will help build and optimise data pipelines, improve reporting capabilities and support the delivery of innovative data and AI solutions. AWS data engineering technologies including Glue, S3, Lambda, Redshift and Athena - Advanced SQL and strong Python development skills
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Implementaion Engineer - SC Cleared
Implementaion Engineer - SC Cleared
Run-Time Group Ltd
Moorgate, City of London (EC2), EC2V 7HH
From £500 to £550 per annum
Design and implement a tenant-wide Microsoft Entra ID application registration pool (510 applications) to support parallelised Microsoft Graph API data collection and mitigate throttling.
Design and implement a tenant-wide Microsoft Entra ID application registration pool (510 applications) to support parallelised Microsoft Graph API data collection and mitigate throttling.
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API Gateway and CloudFront
API Gateway and CloudFront
Software Developer - Equity Market Making Trading Platform
Software Developer - Equity Market Making Trading Platform
Marex Spectron International Limited
City of London, London
Competitive
O/S, Cloud & DevOps: Windows and Linux experience, AWS (Lambda, ECS, RDS, SQS, S3, API Gateway, VPC, Terraform/CloudFormation), CI/CD (TeamCity/Octopus), Git workflows, Containers
O/S, Cloud & DevOps: Windows and Linux experience, AWS (Lambda, ECS, RDS, SQS, S3, API Gateway, VPC, Terraform/CloudFormation), CI/CD (TeamCity/Octopus), Git workflows, Containers
122 exact matches jobs are outside your preferred location
Senior Full Stack Developer (TypeScript / Vue.js / C# / .NET) Fully Remote (UK-based) Contract Outside IR35 - Long-Term Contract - Competitive Day Rate - Were working with a well-established organisation undergoing a major platform transformation programme, and theyre looking to add an experienced Full Stack Developer to the team. This role will suit someone who enjoys owning features end-to-end, with strong frontend expertise while remaining comfortable working across APIs, databases, and backend services in a modern environment. What Youll Be Doing * Developing and enhancing customer-facing platforms and transactional systems * Building modern applications using Vue.js and TypeScript * Working closely with product, QA, and engineering teams to deliver new features * Investigating and resolving production issues across frontend, APIs, and databases
Senior Full Stack Developer (TypeScript / Vue.js / C# / .NET) Fully Remote (UK-based) Contract Outside IR35 - Long-Term Contract - Competitive Day Rate - Were working with a well-established organisation undergoing a major platform transformation programme, and theyre looking to add an experienced Full Stack Developer to the team. This role will suit someone who enjoys owning features end-to-end, with strong frontend expertise while remaining comfortable working across APIs, databases, and backend services in a modern environment. What Youll Be Doing * Developing and enhancing customer-facing platforms and transactional systems * Building modern applications using Vue.js and TypeScript * Working closely with product, QA, and engineering teams to deliver new features * Investigating and resolving production issues across frontend, APIs, and databases
FS React Native Developer - Trading London Outside IR35
FS React Native Developer - Trading London Outside IR35
Transparent Technology
London
£450 - £500 per day
Full-Stack Developer (React Native / Java) | London Hybrid | FinTech | Outside IR35 | React, React Native, Java, AWS | £450-500/day - A growing financial technology company is scaling its engineering team as it builds the next generation of modern web and mobile products for global users. With continued investment into digital platforms and infrastructure, they are looking for experienced Full-Stack Developers to support a major product and technology transformation programme. This role will focus on building scalable applications using React or React Native alongside backend services and APIs using Java. You'll work across frontend architecture, integrations, CI/CD pipelines, microservices, and cloud-native systems, helping deliver secure, high-performance products in a collaborative engineering environment. * 6+ years of full-stack engineering experience
Full-Stack Developer (React Native / Java) | London Hybrid | FinTech | Outside IR35 | React, React Native, Java, AWS | £450-500/day - A growing financial technology company is scaling its engineering team as it builds the next generation of modern web and mobile products for global users. With continued investment into digital platforms and infrastructure, they are looking for experienced Full-Stack Developers to support a major product and technology transformation programme. This role will focus on building scalable applications using React or React Native alongside backend services and APIs using Java. You'll work across frontend architecture, integrations, CI/CD pipelines, microservices, and cloud-native systems, helping deliver secure, high-performance products in a collaborative engineering environment. * 6+ years of full-stack engineering experience
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Work closely with Digital, Data, API, and Salesforce teams to align delivery across multiple workstreams. * Experience working across Data, API, Digital, and CRM teams within complex enterprise environments.
Work closely with Digital, Data, API, and Salesforce teams to align delivery across multiple workstreams. * Experience working across Data, API, Digital, and CRM teams within complex enterprise environments.
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The Microsoft Entra ID Architect is responsible for defining the target state architecture for enterprise identity using Microsoft Entra ID, with a strong focus on Identity Governance, Secure Access, and API driven provisioning. Design API first provisioning patterns using - Microsoft Graph API Proven architecture experience with Graph API, SCIM, Lifecycle Workflows.
The Microsoft Entra ID Architect is responsible for defining the target state architecture for enterprise identity using Microsoft Entra ID, with a strong focus on Identity Governance, Secure Access, and API driven provisioning. Design API first provisioning patterns using - Microsoft Graph API Proven architecture experience with Graph API, SCIM, Lifecycle Workflows.
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QA Engineer Automation
QA Engineer Automation
Halian Technology Limited
Maidenhead Thicket, Maidenhead (SL6)
Up to £400 per day
API testing and backend validation
API testing and backend validation
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Connectivity: Design PL/SQL interfaces to handle RESTful API operations.
Connectivity: Design PL/SQL interfaces to handle RESTful API operations.
FEATURED
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Strong skills in Apex, Lightning Web Components, API integrations
Strong skills in Apex, Lightning Web Components, API integrations
FEATURED
Troubleshooters: You should be comfortable with API integrations, OAuth, and web standards.
Troubleshooters: You should be comfortable with API integrations, OAuth, and web standards.
FEATURED
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Monitor, troubleshoot, and optimise data processing workflows and API performance.
Monitor, troubleshoot, and optimise data processing workflows and API performance.
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The database is overwhelmingly write-driven (high-volume API request and ping logging).
The database is overwhelmingly write-driven (high-volume API request and ping logging).
Technical Troubleshooting: Experience with Chrome Developer Tools, API integrations, and investigating error codes.
Technical Troubleshooting: Experience with Chrome Developer Tools, API integrations, and investigating error codes.
FEATURED
ASP.NET Web API * API-driven backend development
ASP.NET Web API * API-driven backend development
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Mainframe Middleware Infrastructure Engineer (CICS Liberty)
Mainframe Middleware Infrastructure Engineer (CICS Liberty)
Gazelle Global Consulting Ltd
London
Unspecified
REST/API enablement and modern integration practices - This is an excellent opportunity to work on critical banking and financial services infrastructure whilst helping modernise core mainframe platforms with contemporary Java and API technologies.
REST/API enablement and modern integration practices - This is an excellent opportunity to work on critical banking and financial services infrastructure whilst helping modernise core mainframe platforms with contemporary Java and API technologies.
Build and manage secure API bridges to link platforms and allow them to share data efficiently.
Build and manage secure API bridges to link platforms and allow them to share data efficiently.
FEATURED
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Software Fundamentals: Background in solid software engineering practices (Git, testing, design patterns, API development via FastAPI/Flask).
Software Fundamentals: Background in solid software engineering practices (Git, testing, design patterns, API development via FastAPI/Flask).
FEATURED