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55 Permanent API jobs in South East London + 20 miles
197 exact matches jobs are outside your preferred location
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UK (Hybrid) | Permanent | c. £80,000 Per Annum - A leading global organisation is seeking a Platform Engineer to join their internal technology team and take ownership of their ServiceNow platform. This is a hands-on, high-impact role focused on maintaining, optimising, and evolving the platform using modern DevOps and automation practices. You’ll work cross-functionally with engineering, security, architecture, and operations teams to ensure the platform is reliable, secure, and scalable—supporting the wider business with smart, efficient technology solutions. * Deploying, managing, and maintaining ServiceNow environments across dev and prod tiers * Proactively monitoring systems for performance, cost, and stability improvements * Automating manual tasks and contributing to a DevOps and SRE-focused culture * Troubleshooting and resolving cross-platform technical issu
UK (Hybrid) | Permanent | c. £80,000 Per Annum - A leading global organisation is seeking a Platform Engineer to join their internal technology team and take ownership of their ServiceNow platform. This is a hands-on, high-impact role focused on maintaining, optimising, and evolving the platform using modern DevOps and automation practices. You’ll work cross-functionally with engineering, security, architecture, and operations teams to ensure the platform is reliable, secure, and scalable—supporting the wider business with smart, efficient technology solutions. * Deploying, managing, and maintaining ServiceNow environments across dev and prod tiers * Proactively monitoring systems for performance, cost, and stability improvements * Automating manual tasks and contributing to a DevOps and SRE-focused culture * Troubleshooting and resolving cross-platform technical issu
NEWFEATURED
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Salary: £35,000 (depending on experience) Job type: Hybrid (Once per week in Feering Office for the first 3-6 months) Please Note: We do not have offer any sponsorship. Youll be hands-on in React most daysworking on our digisuite platform, client websites (Next.js), AI-enhanced tools, and bespoke responsive HTML emails. Youll collaborate closely with designers, developers, and project managers to deliver high-quality, innovative digital products. Annual Leave: 31 days - Progressive Annual Leave: Increases by 1 day each year after your first full year (up to 5 extra days). Birthday Leave: One additional day off on your birthday (post-probation). Social Events: Year-round events organised by our Social Committee. Private Medical Insurance: Optional after 1 year of service. Long Service Awards: Given every 5 years of continuous service.
Salary: £35,000 (depending on experience) Job type: Hybrid (Once per week in Feering Office for the first 3-6 months) Please Note: We do not have offer any sponsorship. Youll be hands-on in React most daysworking on our digisuite platform, client websites (Next.js), AI-enhanced tools, and bespoke responsive HTML emails. Youll collaborate closely with designers, developers, and project managers to deliver high-quality, innovative digital products. Annual Leave: 31 days - Progressive Annual Leave: Increases by 1 day each year after your first full year (up to 5 extra days). Birthday Leave: One additional day off on your birthday (post-probation). Social Events: Year-round events organised by our Social Committee. Private Medical Insurance: Optional after 1 year of service. Long Service Awards: Given every 5 years of continuous service.
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Contract Backend Developer - Python/Go - SC Cleared - Remote - 6 Months - Rate: Competitive (Outside IR35) Location: Remote/Hybrid (UK-based only) - 1-2 days per month in London - Clearance: Active SC Clearance required - Duration: 6 months (possible extension) A leading consultancy is seeking a Backend Developer with strong experience in Python and Go for a secure infrastructure automation project. * Python & Go backend development (APIs, microservices, automation tools) * AWS SDKs (boto3, aws-sdk-go-v2) - EC2, S3, IAM, Lambda, CloudWatch * LDAP, HashiCorp Vault, JIRA/Confluence, Kubernetes integration * CI/CD pipelines, Git, testing frameworks (pytest, unittest, testify, gomock) * Code quality tools: flake8, black, mypy, golangci-lint * Proven experience in backend development and cloud automation * Strong integration skills with enterprise tools and services
Contract Backend Developer - Python/Go - SC Cleared - Remote - 6 Months - Rate: Competitive (Outside IR35) Location: Remote/Hybrid (UK-based only) - 1-2 days per month in London - Clearance: Active SC Clearance required - Duration: 6 months (possible extension) A leading consultancy is seeking a Backend Developer with strong experience in Python and Go for a secure infrastructure automation project. * Python & Go backend development (APIs, microservices, automation tools) * AWS SDKs (boto3, aws-sdk-go-v2) - EC2, S3, IAM, Lambda, CloudWatch * LDAP, HashiCorp Vault, JIRA/Confluence, Kubernetes integration * CI/CD pipelines, Git, testing frameworks (pytest, unittest, testify, gomock) * Code quality tools: flake8, black, mypy, golangci-lint * Proven experience in backend development and cloud automation * Strong integration skills with enterprise tools and services
FEATURED
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.Net Developer
.Net Developer
Crowd Link Consulting Ltd
GU21, Woking
From £45,000 to £60,000 per annum Salary + Benefits + Bonus
Web API, HTML, CSS, Web Services, JQuery and JavaScript
Web API, HTML, CSS, Web Services, JQuery and JavaScript
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Enterprise Architect
Enterprise Architect
Cambridge University Press & Assessment
Cambridge, Cambridgeshire
From £70,400 to £94,100 per annum
Familiarity with enterprise integration patterns, API management, and microservices.
Familiarity with enterprise integration patterns, API management, and microservices.
NEWFEATURED
Knowledge of FTP/SFTP, SSL Certificates, REST API, SOAP, Postman, SoapUI.
Knowledge of FTP/SFTP, SSL Certificates, REST API, SOAP, Postman, SoapUI.
FEATURED
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The ideal candidate will have a robust background in AWS, Node.js, and React, along with expertise in NoSQL databases, RESTful API design and development, product development, and deployment of applications on both iOS and Android platforms.
The ideal candidate will have a robust background in AWS, Node.js, and React, along with expertise in NoSQL databases, RESTful API design and development, product development, and deployment of applications on both iOS and Android platforms.
NEW
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Full Stack Developer
Full Stack Developer
Rise Technical Recruitment Limited
London
£60000.00 - £70000.00 per annum + + Equity
The ideal candidate will have a robust background in AWS, Node.js, and React, along with expertise in NoSQL databases, RESTful API design and development, product development, and deployment of applications on both iOS and Android platforms.
The ideal candidate will have a robust background in AWS, Node.js, and React, along with expertise in NoSQL databases, RESTful API design and development, product development, and deployment of applications on both iOS and Android platforms.
PREMIUM
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We are seeking a proactive and customer-focused Service Desk Analyst to join our Service Management team. In this role, you will deliver prompt and professional solutions for customer requests and be the first point of contact for our internal and external users, providing essential technical support. You will receive, triage, and resolve a wide range of IT-related incidents and service requests, ensuring a smooth and efficient user experience. Your ability to communicate effectively, diagnose issues, and escalate appropriately will be crucial to your success. Provide first-line support to users, attempting to resolve issues at Level 1. Diagnose and troubleshoot hardware, software, and network issues. Escalate complex incidents to Level 2 and 3 support teams, providing detailed information. Track and monitor incidents, ensuring timely resolution and communication with
We are seeking a proactive and customer-focused Service Desk Analyst to join our Service Management team. In this role, you will deliver prompt and professional solutions for customer requests and be the first point of contact for our internal and external users, providing essential technical support. You will receive, triage, and resolve a wide range of IT-related incidents and service requests, ensuring a smooth and efficient user experience. Your ability to communicate effectively, diagnose issues, and escalate appropriately will be crucial to your success. Provide first-line support to users, attempting to resolve issues at Level 1. Diagnose and troubleshoot hardware, software, and network issues. Escalate complex incidents to Level 2 and 3 support teams, providing detailed information. Track and monitor incidents, ensuring timely resolution and communication with
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Software Engineering Manager (Hands-on .Net, AWS)
Software Engineering Manager (Hands-on .Net, AWS)
Hays
SL6, Maidenhead
£75000 - £85000 per annum + £75000 - £85000
You'll need working experience with scaled software architecture & domain: performance, redundancy, failover, clustering etc. You'll also need working experience with source code management patterns and proficiency in API design, development & production.
You'll need working experience with scaled software architecture & domain: performance, redundancy, failover, clustering etc. You'll also need working experience with source code management patterns and proficiency in API design, development & production.
NEW
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Senior Software Engineer
Senior Software Engineer
Verifile Ltd
Bedford, Bedfordshire, MK44 3JZ
From £60,000 to £70,000 per annum Plus excellent benefits
Strong software development skills across the stack using C#, ASP .NET, Blazor, API development, microservices, containers, and deployment pipelines.
Strong software development skills across the stack using C#, ASP .NET, Blazor, API development, microservices, containers, and deployment pipelines.
NEWFEATURED
Experience with Javascript, HTML, XML, and web services (REST API, SOAP)
Experience with Javascript, HTML, XML, and web services (REST API, SOAP)
NEW
Experience with Javascript, HTML, XML, and web services (REST API, SOAP)
Experience with Javascript, HTML, XML, and web services (REST API, SOAP)
NEWPREMIUM
AMZN API, VMware automation, Puppet/Chef/Ansible, integration & automation expertise with orchestration
AMZN API, VMware automation, Puppet/Chef/Ansible, integration & automation expertise with orchestration
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Experience working with API-driven platforms, authentication flows, and security best practices.
Experience working with API-driven platforms, authentication flows, and security best practices.
API Development & Maintenance (40%) Develop, test, and maintain backend services and APIs (primarily in Python with FastAPI) that serve our AI-driven features. * Developed and deployed a new API endpoint or microservice for an AI feature, using best practices and meeting quality standards. * API & Database Knowledge: Understanding of RESTful APIs and basic SQL/database concepts.
API Development & Maintenance (40%) Develop, test, and maintain backend services and APIs (primarily in Python with FastAPI) that serve our AI-driven features. * Developed and deployed a new API endpoint or microservice for an AI feature, using best practices and meeting quality standards. * API & Database Knowledge: Understanding of RESTful APIs and basic SQL/database concepts.
You will lead the technical delivery of the clients Chat API, ensuring it is robust, scalable, and continuously improving. Lead the development and enhancement of the Chat API using Python, LangChain, and OpenAI services on Azure Function Apps - Monitor and resolve API bugs and performance issues to ensure high availability and reliability - Champion best practices in API development, documentation, and continuous improvement - Strong background in API design, monitoring, and performance optimisation
You will lead the technical delivery of the clients Chat API, ensuring it is robust, scalable, and continuously improving. Lead the development and enhancement of the Chat API using Python, LangChain, and OpenAI services on Azure Function Apps - Monitor and resolve API bugs and performance issues to ensure high availability and reliability - Champion best practices in API development, documentation, and continuous improvement - Strong background in API design, monitoring, and performance optimisation
Technical Acumen Conversant in LLM/RAG concepts, latencycost trade-offs, and API- vs UI-based product considerations.
Technical Acumen Conversant in LLM/RAG concepts, latencycost trade-offs, and API- vs UI-based product considerations.
London, United Kingdom - Customer Success / Full-Time / Hybrid - Apply for this job - Before jumping in on all the information about the role and what you can bring to the table, let us introduce ourselves real quick. About us - We are Insider, a B2B SaaS company that drives growth for its clients around the world. How are we achieving this? We are the #1 AI-native platform for Customer Experience and Marketing-offers marketers a single platform to deliver unique experiences per person, drive profitable growth, and unleash peak productivity and efficiency. Our platform connects data across channels, predicts future behavior with AI, and individualizes experiences from a single platform. We have just celebrated our $500M Series E funding round, led by General Atlantic . Before this, we've unlocked unicorn status following our Series D round.
London, United Kingdom - Customer Success / Full-Time / Hybrid - Apply for this job - Before jumping in on all the information about the role and what you can bring to the table, let us introduce ourselves real quick. About us - We are Insider, a B2B SaaS company that drives growth for its clients around the world. How are we achieving this? We are the #1 AI-native platform for Customer Experience and Marketing-offers marketers a single platform to deliver unique experiences per person, drive profitable growth, and unleash peak productivity and efficiency. Our platform connects data across channels, predicts future behavior with AI, and individualizes experiences from a single platform. We have just celebrated our $500M Series E funding round, led by General Atlantic . Before this, we've unlocked unicorn status following our Series D round.
Our current stack includes Python, Django, Typescript, React, React Native, Next.js, and AWS serverless technologies (Lambda, S3, DynamoDB, API Gateway, SNS/SQS).
Our current stack includes Python, Django, Typescript, React, React Native, Next.js, and AWS serverless technologies (Lambda, S3, DynamoDB, API Gateway, SNS/SQS).
Strong knowledge in C++ Strong understanding of API design
Strong knowledge in C++ Strong understanding of API design
Knowledge of data architecture, cybersecurity, and API integration.
Knowledge of data architecture, cybersecurity, and API integration.
Knowledge of: GKLM, Spectrum Control and Storage insights and API exploitation
Knowledge of: GKLM, Spectrum Control and Storage insights and API exploitation
EC2, ECS, RDS, S3, Cloudfront, WAF, API Gateway, Lamdba, Elasticache, Elasticsearch, SQS, SNS, EKS
EC2, ECS, RDS, S3, Cloudfront, WAF, API Gateway, Lamdba, Elasticache, Elasticsearch, SQS, SNS, EKS
Own and organise local training programs on the various clusters to help capability to upsell; collection accounts, API integration, Playbook hedging programs etc..
Own and organise local training programs on the various clusters to help capability to upsell; collection accounts, API integration, Playbook hedging programs etc..