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85 Permanent API jobs in The Borough, South East London + 20 miles
Node Developer Remote Working - Lynx are currently working with a large IT consultancy to help them source a Node Developer. Our client is large global Consultancy who work with enterprise clients, solving their business and technology problems using cutting edge Solutions. Design, implement, and manage backend applications and APIs using Node.js - Work with RESTful APIs and external services to enhance system capabilities and connectivity - Perform unit and integration testing, troubleshoot issues, and maintain high code reliability - Collaborating with stakeholders and leadership to understand and refine project requirements - Working on diverse projects and challenges in a consultancy capacity - Advocating for and contributing to best practices in software engineering across teams and projects - Previous experience working within a consulting organisation is essent
Node Developer Remote Working - Lynx are currently working with a large IT consultancy to help them source a Node Developer. Our client is large global Consultancy who work with enterprise clients, solving their business and technology problems using cutting edge Solutions. Design, implement, and manage backend applications and APIs using Node.js - Work with RESTful APIs and external services to enhance system capabilities and connectivity - Perform unit and integration testing, troubleshoot issues, and maintain high code reliability - Collaborating with stakeholders and leadership to understand and refine project requirements - Working on diverse projects and challenges in a consultancy capacity - Advocating for and contributing to best practices in software engineering across teams and projects - Previous experience working within a consulting organisation is essent
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FullStack Developer ( Python / Django ) – PropTech Start-up
FullStack Developer ( Python / Django ) – PropTech Start-up
Run-Time Group Ltd
E1, East London
From £75,000 to £80,000 per annum
Full-Stack Developer (Python/Django) PropTech Start-up - Location:London Area (Shoreditch) Work Model:Hybrid 3 days in office - Job Type:Full-Time - Salary: £70k - £80k - About Us - We are working with a fast-growing Prop-Tech start-up on a mission to revolutionise the property rental market by putting power into the hands of tenants. Backed by investors but already very profitable with a solid client-base, they're building cutting-edge solutions that blend technology with the property sector to create seamless, data-driven experiences. Were looking for aFull-Stack Developer (Python / Django / React)with3-5 years of experienceto join their small team. If you thrive in a fast-paced start-up environment and love building scalable, high-performance applications, wed love to hear from you. Key Responsibilities * Design, develop, and maintain full-stack applications usingP
Full-Stack Developer (Python/Django) PropTech Start-up - Location:London Area (Shoreditch) Work Model:Hybrid 3 days in office - Job Type:Full-Time - Salary: £70k - £80k - About Us - We are working with a fast-growing Prop-Tech start-up on a mission to revolutionise the property rental market by putting power into the hands of tenants. Backed by investors but already very profitable with a solid client-base, they're building cutting-edge solutions that blend technology with the property sector to create seamless, data-driven experiences. Were looking for aFull-Stack Developer (Python / Django / React)with3-5 years of experienceto join their small team. If you thrive in a fast-paced start-up environment and love building scalable, high-performance applications, wed love to hear from you. Key Responsibilities * Design, develop, and maintain full-stack applications usingP
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Business Analyst - IT Software Consultancy
Business Analyst - IT Software Consultancy
Octad Recruitment Consultants (Octad Ltd )
BR1, Bromley
From £40,000 to £60,000 per annum Good Benefits
ThisvibrantandexpandingcompanyarelookingforaBusinessAnalysttoworkcloselywiththeCEOinthisexcitingphaseoftheirexpansion.,TheCompanyisanend-to-enddigitalsolutionorganisation. TheyarelookingforanexperiencedBusinessAnalysttojointheirteam. Inthisrole,youllbethebridgebetweenbusinessneedsandtechnicalsolutions-gatheringrequirements,analysingprocesses,anddeliveringactionableinsightsthathelpguideproductdevelopmentandbusinessstrategy. ThedevelopmentteamarebasedoverseasinSouthAfricaandThailand,withtheCTOandasystemsmanager/UATpersonbeingtheonlyUKbasedpartoftheteam. Thisroleiskeyinthatitwillbeaseniorandkeymemberofthedevelopmentteamwhichwillincludearchitectureandstrategydecisions. Collaboratewithstakeholderstogatheranddefinebusinessrequirements - Translatebusinessneedsintofunctionalandtechnicalspecifications - Analyseexistingprocessesandrecommendimprovementstoincreaseefficiencyandsca
ThisvibrantandexpandingcompanyarelookingforaBusinessAnalysttoworkcloselywiththeCEOinthisexcitingphaseoftheirexpansion.,TheCompanyisanend-to-enddigitalsolutionorganisation. TheyarelookingforanexperiencedBusinessAnalysttojointheirteam. Inthisrole,youllbethebridgebetweenbusinessneedsandtechnicalsolutions-gatheringrequirements,analysingprocesses,anddeliveringactionableinsightsthathelpguideproductdevelopmentandbusinessstrategy. ThedevelopmentteamarebasedoverseasinSouthAfricaandThailand,withtheCTOandasystemsmanager/UATpersonbeingtheonlyUKbasedpartoftheteam. Thisroleiskeyinthatitwillbeaseniorandkeymemberofthedevelopmentteamwhichwillincludearchitectureandstrategydecisions. Collaboratewithstakeholderstogatheranddefinebusinessrequirements - Translatebusinessneedsintofunctionalandtechnicalspecifications - Analyseexistingprocessesandrecommendimprovementstoincreaseefficiencyandsca
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Senior Backend Engineer
Senior Backend Engineer
Ncounter LTD
SW1, South West London
From £120,000 to £160,000 per annum Equity and package
Product-Focused Backend Engineer Functional Programming & Distributed Systems - London (Hybrid) | £120,000£160,000 + Equity - At Ncounter, were partnering with a cutting-edge AI company on a mission to redefine how professionals in highly regulated industries interact with complex, multi-modal data. Their platform empowers users to deploy custom no-code AI agents that produce verifiable outputs with full transparency - ensuring trust, compliance, and control remain central to every decision. As a Backend Engineer, youll join a growing team working at the forefront of AI infrastructure. This isnt just about clean code or strong delivery - its about ownership, product intuition, and building for scale. Youll be part of a lean, high-calibre engineering function where every member contributes to planning, testing, analysis, and execution.
Product-Focused Backend Engineer Functional Programming & Distributed Systems - London (Hybrid) | £120,000£160,000 + Equity - At Ncounter, were partnering with a cutting-edge AI company on a mission to redefine how professionals in highly regulated industries interact with complex, multi-modal data. Their platform empowers users to deploy custom no-code AI agents that produce verifiable outputs with full transparency - ensuring trust, compliance, and control remain central to every decision. As a Backend Engineer, youll join a growing team working at the forefront of AI infrastructure. This isnt just about clean code or strong delivery - its about ownership, product intuition, and building for scale. Youll be part of a lean, high-calibre engineering function where every member contributes to planning, testing, analysis, and execution.
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We're looking for an experienced Senior Application Support Engineer to join a growing IT team and play a key role in supporting critical business applications across a modern and complex technology stack. * Investigating and resolving technical incidents, ensuring minimal downtime and effective root cause analysis * Proactively maintaining and optimising applications, performing upgrades and configuration changes * Monitoring system performance, defining service-level objectives, and addressing bottlenecks before they impact users * Collaborating closely with engineering and business teams to drive operational excellence * Enhancing processes, documentation, and tooling to support continuous improvement * Proven experience in an application support or support engineering role, within financial services ideally, or another regulated environment
We're looking for an experienced Senior Application Support Engineer to join a growing IT team and play a key role in supporting critical business applications across a modern and complex technology stack. * Investigating and resolving technical incidents, ensuring minimal downtime and effective root cause analysis * Proactively maintaining and optimising applications, performing upgrades and configuration changes * Monitoring system performance, defining service-level objectives, and addressing bottlenecks before they impact users * Collaborating closely with engineering and business teams to drive operational excellence * Enhancing processes, documentation, and tooling to support continuous improvement * Proven experience in an application support or support engineering role, within financial services ideally, or another regulated environment
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We are looking for an enthusiastic and proactive Automation Test Engineer who boasts experience with Python and Pytest to join our fantastic London based fintech client, working largely remote with monthly get togethers. This Automation Tester will be backend-focused, testing the server-side components, ensuring that the database (SQL), APIs, and business logic function correctly and efficiently. * Backend Automation testing skills with Python and Pytest. * Solid SQL skills and experience with relational databases. * Solid experience in automation testing using tools such as Selenium and Appium. * Batch processing experience. * Financial services / fintech experience. If you're passionate about testing, automation, and continuous learning, we would love to hear from you!
We are looking for an enthusiastic and proactive Automation Test Engineer who boasts experience with Python and Pytest to join our fantastic London based fintech client, working largely remote with monthly get togethers. This Automation Tester will be backend-focused, testing the server-side components, ensuring that the database (SQL), APIs, and business logic function correctly and efficiently. * Backend Automation testing skills with Python and Pytest. * Solid SQL skills and experience with relational databases. * Solid experience in automation testing using tools such as Selenium and Appium. * Batch processing experience. * Financial services / fintech experience. If you're passionate about testing, automation, and continuous learning, we would love to hear from you!
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£90,000 - £100,000 - HYBRID work available - City of London office/Home - As a key member of this team, you will play a pivotal role in designing and implementing data warehousing solutions using Snowflake and AWS. You will help drive the evolution of data architecture as we move from Redshift to Snowflake. Hands-on experience with AWS services such as Glue (Spark), Lambda, Step Functions, ECS, Redshift, and SageMaker. Conducting code reviews, mentoring through pair programming. Building APIs, integrating with microservices, or contributing to backend systems not just data pipelines or data modelling. Tools like GitHub Actions, Jenkins, AWS CDK, CloudFormation, Terraform. * Design and implement scalable, secure, and cost-efficient data solutions on AWS, leveraging services such as Glue, Lambda, S3, Redshift, and Step Functions.
£90,000 - £100,000 - HYBRID work available - City of London office/Home - As a key member of this team, you will play a pivotal role in designing and implementing data warehousing solutions using Snowflake and AWS. You will help drive the evolution of data architecture as we move from Redshift to Snowflake. Hands-on experience with AWS services such as Glue (Spark), Lambda, Step Functions, ECS, Redshift, and SageMaker. Conducting code reviews, mentoring through pair programming. Building APIs, integrating with microservices, or contributing to backend systems not just data pipelines or data modelling. Tools like GitHub Actions, Jenkins, AWS CDK, CloudFormation, Terraform. * Design and implement scalable, secure, and cost-efficient data solutions on AWS, leveraging services such as Glue, Lambda, S3, Redshift, and Step Functions.
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Senior Security Engineer CIAM
Senior Security Engineer CIAM
Sanderson Recruitment
EC1, City of London
£100000 - £120000 per annum + Bonus and benefits
Job Role: Senior Security Engineer - CIAM - Location: Hybrid - City of London - Salary: £100,000 - £120,000 + Bonus - Are you an experienced Security Engineer with a passion for safeguarding systems and driving innovation in identity and access management? Do you thrive in complex environments where you can solve critical security challenges and influence long-term strategy? If you're driven by excellence, collaboration, and the opportunity to make an impact on a global financial institution, this could be the perfect role for you. Join us as a Senior Security Engineer, where you'll help shape a market-leading digital platform and deliver secure, cutting-edge customer experiences. * Strong hands-on expertise with Hardware Security Modules (HSM), AWS Secrets Manager, and certificate lifecycle management (rotation, revocation, automation)
Job Role: Senior Security Engineer - CIAM - Location: Hybrid - City of London - Salary: £100,000 - £120,000 + Bonus - Are you an experienced Security Engineer with a passion for safeguarding systems and driving innovation in identity and access management? Do you thrive in complex environments where you can solve critical security challenges and influence long-term strategy? If you're driven by excellence, collaboration, and the opportunity to make an impact on a global financial institution, this could be the perfect role for you. Join us as a Senior Security Engineer, where you'll help shape a market-leading digital platform and deliver secure, cutting-edge customer experiences. * Strong hands-on expertise with Hardware Security Modules (HSM), AWS Secrets Manager, and certificate lifecycle management (rotation, revocation, automation)
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Systems Engineer - Power Platforms
Systems Engineer - Power Platforms
Adept Resourcing Engineering
EC1, City of London
£50000 - £70000 per annum
Role: Systems Engineer (Power Platform Specialist) Location: London - Recruiter: Adept Resourcing, on behalf of our client - Role Purpose - Adept Resourcing are recruiting on behalf of our client for a Systems Engineer (Power Platform Specialist). The successful candidate will collaborate across departments to automate repetitive tasks, streamline business processes, and provide technical support for Power Platform solutions. Key Responsibilities * Monitor and support existing Power Platform applications, debugging issues and optimising performance. * Integrate Power Platform with Azure services, Microsoft 365, and secure APIs with third-party systems. * Design, develop, and test automation solutions to improve efficiency. * Build scripts, workflows, or bots to automate tasks. * Collaborate with business stakeholders and automation developers to deliver scalable solut
Role: Systems Engineer (Power Platform Specialist) Location: London - Recruiter: Adept Resourcing, on behalf of our client - Role Purpose - Adept Resourcing are recruiting on behalf of our client for a Systems Engineer (Power Platform Specialist). The successful candidate will collaborate across departments to automate repetitive tasks, streamline business processes, and provide technical support for Power Platform solutions. Key Responsibilities * Monitor and support existing Power Platform applications, debugging issues and optimising performance. * Integrate Power Platform with Azure services, Microsoft 365, and secure APIs with third-party systems. * Design, develop, and test automation solutions to improve efficiency. * Build scripts, workflows, or bots to automate tasks. * Collaborate with business stakeholders and automation developers to deliver scalable solut
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We are seeking an experienced Application Manager to take responsibility for the full lifecycle of enterprise applications and operating system updates across Windows, macOS, iOS, and Android environments. The role is central to ensuring systems remain secure, compliant, and optimised for performance. Key Responsibilities * Plan, test, and deliver application and OS updates, ensuring smooth deployment and accurate reporting * Manage and enhance UEM/MDM platforms, primarily Workspace ONE, with exposure to Intune, Autopilot, and SCCM/MECM * Define governance and policies for application management, including update cycles, categorisation, and exceptions * Work closely with Security teams to address vulnerabilities, coordinate urgent patching, and provide compliance evidence * Introduce automation (PowerShell, Bash, REST APIs) to drive efficiency and consistency
We are seeking an experienced Application Manager to take responsibility for the full lifecycle of enterprise applications and operating system updates across Windows, macOS, iOS, and Android environments. The role is central to ensuring systems remain secure, compliant, and optimised for performance. Key Responsibilities * Plan, test, and deliver application and OS updates, ensuring smooth deployment and accurate reporting * Manage and enhance UEM/MDM platforms, primarily Workspace ONE, with exposure to Intune, Autopilot, and SCCM/MECM * Define governance and policies for application management, including update cycles, categorisation, and exceptions * Work closely with Security teams to address vulnerabilities, coordinate urgent patching, and provide compliance evidence * Introduce automation (PowerShell, Bash, REST APIs) to drive efficiency and consistency
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Permanent - Location: UK - Remote - Salary: £70,000 - £80,000 (+ benefits) Skills: Team Management, Python, Java, CI/CD, BDD (Cucumber), Energy / Financial Trading experience (desirable) We're recruiting a Lead Automation Tester for a leading software company that develops advanced solutions for trading and risk management across global financial and energy markets. This is a fantastic opportunity for an experienced Automation Engineer with proven team leadership or management experience to take ownership of automation practices and guide a small, skilled team. You'll play a key role in driving an automation-first culture, ensuring quality and scalability across complex, high-volume systems. This is a UK based fully remote role. What you'll bring * Programming & Scripting: Python, Java, JavaScript, C++, Scriban * Web Technologies: RESTful APIs, HTTP, JSON, HTML, CSS,
Permanent - Location: UK - Remote - Salary: £70,000 - £80,000 (+ benefits) Skills: Team Management, Python, Java, CI/CD, BDD (Cucumber), Energy / Financial Trading experience (desirable) We're recruiting a Lead Automation Tester for a leading software company that develops advanced solutions for trading and risk management across global financial and energy markets. This is a fantastic opportunity for an experienced Automation Engineer with proven team leadership or management experience to take ownership of automation practices and guide a small, skilled team. You'll play a key role in driving an automation-first culture, ensuring quality and scalability across complex, high-volume systems. This is a UK based fully remote role. What you'll bring * Programming & Scripting: Python, Java, JavaScript, C++, Scriban * Web Technologies: RESTful APIs, HTTP, JSON, HTML, CSS,
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SuiteCRM Developer - Remote - Inside IR35
SuiteCRM Developer - Remote - Inside IR35
The Bridge (IT Recruitment) Limited
Greenwich, SE10 0AA
£430 - 450 per day
This is a fantastic opportunity to work as a contract SuiteCRM Developer on a remote contract, inside IR35. This SuiteCRM Developer will be asked to deliver customisation, integration, and ongoing support for their CRM platform. * SuiteCRM or SugarCRM * PHP * CRM databases * Git * APIs If you do have the relevant experience for this contract SuiteCRM Developer position, please do apply.
This is a fantastic opportunity to work as a contract SuiteCRM Developer on a remote contract, inside IR35. This SuiteCRM Developer will be asked to deliver customisation, integration, and ongoing support for their CRM platform. * SuiteCRM or SugarCRM * PHP * CRM databases * Git * APIs If you do have the relevant experience for this contract SuiteCRM Developer position, please do apply.
Automation Tester - Permanent - Location: UK - Remote - Salary: £55,000 - £65,000 (+ benefits) Skills: Python, Java, CI/CD, BDD (Cucumber), Energy / Financial Trading experience (desirable) We are looking to recruit an Automation Tester for a leading software company that delivers advanced solutions for trading and risk management across global financial and energy markets. This is a UK based fully remote role. What you'll bring * Programming & Scripting: Python, Java, JavaScript, C++, Scriban * Web Technologies: RESTful APIs, HTTP, JSON, HTML, CSS, Node.js * Databases: SQL Server, MySQL, PostgreSQL, MongoDB * Tools & Frameworks: Git, Docker, Jenkins, Kubernetes, Agile (Scrum & Kanban), JIRA, Pytest, Powershell * Operating Systems: Linux, Windows * CI/CD pipelines and debugging expertise * BDD frameworks such as Cucumber * Strong problem-solving mindset and collaborat
Automation Tester - Permanent - Location: UK - Remote - Salary: £55,000 - £65,000 (+ benefits) Skills: Python, Java, CI/CD, BDD (Cucumber), Energy / Financial Trading experience (desirable) We are looking to recruit an Automation Tester for a leading software company that delivers advanced solutions for trading and risk management across global financial and energy markets. This is a UK based fully remote role. What you'll bring * Programming & Scripting: Python, Java, JavaScript, C++, Scriban * Web Technologies: RESTful APIs, HTTP, JSON, HTML, CSS, Node.js * Databases: SQL Server, MySQL, PostgreSQL, MongoDB * Tools & Frameworks: Git, Docker, Jenkins, Kubernetes, Agile (Scrum & Kanban), JIRA, Pytest, Powershell * Operating Systems: Linux, Windows * CI/CD pipelines and debugging expertise * BDD frameworks such as Cucumber * Strong problem-solving mindset and collaborat
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We are seeking a skilled and motivated Data Engineer II to join our technology organization. In this role, you will play a key part in modernizing our data platforms, designing and building scalable pipelines, and enabling data-driven decision-making across the business. This is an opportunity to contribute to mission-critical projects with high visibility and impact. * Design, develop, and maintain robust, high-performance data pipelines and APIs. * Implement modern data platform capabilities using SQL, dbt, and Azure technologies. * Build and optimize ETL processes and ensure data quality standards are met. * Define and document cloud solution architectures, technical designs, and testing. * Collaborate with engineering, data science, and business teams to support strategic initiatives. * Troubleshoot and resolve data management issues, while driving continuous impr
We are seeking a skilled and motivated Data Engineer II to join our technology organization. In this role, you will play a key part in modernizing our data platforms, designing and building scalable pipelines, and enabling data-driven decision-making across the business. This is an opportunity to contribute to mission-critical projects with high visibility and impact. * Design, develop, and maintain robust, high-performance data pipelines and APIs. * Implement modern data platform capabilities using SQL, dbt, and Azure technologies. * Build and optimize ETL processes and ensure data quality standards are met. * Define and document cloud solution architectures, technical designs, and testing. * Collaborate with engineering, data science, and business teams to support strategic initiatives. * Troubleshoot and resolve data management issues, while driving continuous impr
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Legal experience is required as well as knowledge of legal apps (IntApp, Elite 3e etc) as there is API and Integration work around these apps.
Legal experience is required as well as knowledge of legal apps (IntApp, Elite 3e etc) as there is API and Integration work around these apps.
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Senior Software Engineer C# .Net - Asset Manager
Senior Software Engineer C# .Net - Asset Manager
Client Server
The City, EC4
£100000 - £150000 per annum + bonus + benefits
There's a focus on backend and API development although you'll also have elements of front end work with JavaScript and React.js.
There's a focus on backend and API development although you'll also have elements of front end work with JavaScript and React.js.
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Experience in developing and deploying Cloud Native Applications using Azure PaaS Capabilities (App Services Plans, Key Vault, SQL Azure DB, AzureFunctions, Containers, AKS, Logic Apps, Service Bus, Event Grid, API Management) * Enterprise Integration Technologies such as Azure API Management, Logic Apps, Service Bus.
Experience in developing and deploying Cloud Native Applications using Azure PaaS Capabilities (App Services Plans, Key Vault, SQL Azure DB, AzureFunctions, Containers, AKS, Logic Apps, Service Bus, Event Grid, API Management) * Enterprise Integration Technologies such as Azure API Management, Logic Apps, Service Bus.
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Applied AI Software Engineer - Python, Fast API, AWS, LLMs - Strong skills with Python & Fast API
Applied AI Software Engineer - Python, Fast API, AWS, LLMs - Strong skills with Python & Fast API
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Configure and support Axway solutions, including API management and B2B gateway. * Working knowledge of Axway technologies, particularly API management and B2B gateway.
Configure and support Axway solutions, including API management and B2B gateway. * Working knowledge of Axway technologies, particularly API management and B2B gateway.
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Senior Security Engineer Defender PurView Sentinel
Senior Security Engineer Defender PurView Sentinel
Invitise Ltd
EC1A, City of London
Up to £500 per day Outside IR35
PowerShell scripting and use of Microsoft Graph API
PowerShell scripting and use of Microsoft Graph API
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Experience of deploying into and using AWS services including VPC, EC2, RDS, API Gateway
Experience of deploying into and using AWS services including VPC, EC2, RDS, API Gateway
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Junior Test Automation Engineer
Junior Test Automation Engineer
Lynx Recruitment Limited
SW1W, South West London
From £35,000 to £50,000 per annum
Hands-on experience with API testing tools such as RestAssured or SoapUI
Hands-on experience with API testing tools such as RestAssured or SoapUI
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Test Automation Engineer
Test Automation Engineer
Lynx Recruitment Limited
SW1W, South West London
From £50,000 to £65,000 per annum
Hands-on experience with API testing tools such as RestAssured or SoapUI
Hands-on experience with API testing tools such as RestAssured or SoapUI
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SharePoint REST API: Integration with SharePoint lists and libraries
SharePoint REST API: Integration with SharePoint lists and libraries
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Strong knowledge of Django (or similar) and API design
Strong knowledge of Django (or similar) and API design
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