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87 Contract API jobs in Hackney, East London + 20 miles
541 exact matches jobs are outside your preferred location
You possess a strong understanding of cloud computing, microservices, API design, and event-driven architectures.
You possess a strong understanding of cloud computing, microservices, API design, and event-driven architectures.
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Knowledge of database testing and API testing methodologies.
Knowledge of database testing and API testing methodologies.
APIs: Implement API security best practices (rate limiting, authentication, input validation)
APIs: Implement API security best practices (rate limiting, authentication, input validation)
Test automation following Test Driven Development practices including unit testing, API testing, and end-to-end testing
Test automation following Test Driven Development practices including unit testing, API testing, and end-to-end testing
Thats why our clients financial institutions from fintechs and crypto platforms, to banks and credit unions use our API to power their banking infrastructure.
Thats why our clients financial institutions from fintechs and crypto platforms, to banks and credit unions use our API to power their banking infrastructure.
We are now scaling up with applications designed for major meeting platforms, real-time communication channels, and a powerful Public API to extend our functionality to a broader set of applications.
We are now scaling up with applications designed for major meeting platforms, real-time communication channels, and a powerful Public API to extend our functionality to a broader set of applications.
10+ years of professional software engineering experience with expertise in JavaScript, TypeScript, Node.js, and RESTful API design.
10+ years of professional software engineering experience with expertise in JavaScript, TypeScript, Node.js, and RESTful API design.
You enjoy sweating the details of both user experience and API design.
You enjoy sweating the details of both user experience and API design.
Experience with API-based integrations and onboarding of clients or counterparties into payments/FX systems.
Experience with API-based integrations and onboarding of clients or counterparties into payments/FX systems.
Were primarily in AWS , utilising Lambda, ECS, SQS, API Gateway among others.
Were primarily in AWS , utilising Lambda, ECS, SQS, API Gateway among others.
Designed robust data architectures with a strong grasp of distributed systems, API development, and the patterns that make complex data processing reliable and maintainable.
Designed robust data architectures with a strong grasp of distributed systems, API development, and the patterns that make complex data processing reliable and maintainable.
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API testing using coded frameworks and Postman.
API testing using coded frameworks and Postman.
PREMIUM
Lead container, API, and web application security initiatives, including code reviews.
Lead container, API, and web application security initiatives, including code reviews.
PREMIUM
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Strong experience with RESTful API design and distributed systems.
Strong experience with RESTful API design and distributed systems.
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Experience with Akamai Edge solutions for OT/cloud API protection.
Experience with Akamai Edge solutions for OT/cloud API protection.
NEWFEATURED
You will lead the security of high-performance computing (HPC) environments and associated systems, leveraging Akamai Edge solutions (e.g., Kona Site Defender, Edge DNS, App & API Protector) to protect classified infrastructure. * Design and implement security strategies for HPC environments and defence systems, integrating Akamai Edge solutions for DDoS mitigation, WAF, and API protection. * Expertise in Akamai Edge solutions (e.g., Kona Site Defender, Edge DNS, EdgeWorkers) for DDoS, WAF, and API protection.
You will lead the security of high-performance computing (HPC) environments and associated systems, leveraging Akamai Edge solutions (e.g., Kona Site Defender, Edge DNS, App & API Protector) to protect classified infrastructure. * Design and implement security strategies for HPC environments and defence systems, integrating Akamai Edge solutions for DDoS mitigation, WAF, and API protection. * Expertise in Akamai Edge solutions (e.g., Kona Site Defender, Edge DNS, EdgeWorkers) for DDoS, WAF, and API protection.
NEWFEATURED
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Extensive Salesforce development experience (including Apex triggers, classes, asynchronous Apex, API Integrations, Platform Events, LWCs and Sites)
Extensive Salesforce development experience (including Apex triggers, classes, asynchronous Apex, API Integrations, Platform Events, LWCs and Sites)
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Experience creating RESTful APIs and ensuring API extensibility.
Experience creating RESTful APIs and ensuring API extensibility.
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We serve millions of API requests with a 99.5% availability SLA. * Familiarity with API design and experience with at least one web framework
We serve millions of API requests with a 99.5% availability SLA. * Familiarity with API design and experience with at least one web framework
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Recurring Payments Innovation: Build rock-solid API infrastructure and platform capabilities for pull payment functionality, tackling complex collection challenges head-on. * B2B Technical Product Expertise: You've got solid experience with API products, PaaS solutions, or technical SaaS platforms and love building merchant banking infrastructure for developers who integrate multiple financial endpoints and banking APIs.
Recurring Payments Innovation: Build rock-solid API infrastructure and platform capabilities for pull payment functionality, tackling complex collection challenges head-on. * B2B Technical Product Expertise: You've got solid experience with API products, PaaS solutions, or technical SaaS platforms and love building merchant banking infrastructure for developers who integrate multiple financial endpoints and banking APIs.
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£130000 GBP - Onsite WORKING - Location: Central London, Greater London - United Kingdom Type: Permanent - Pre-Sales Solution Architect - Hybrid - UK (flexible location) £100,000 + bonus - Permanent - You'll be joining a global technology consultancy that helps enterprise clients transform and modernise their application estates - turning complex legacy environments into scalable, cloud-ready platforms. This is a client-facing pre-sales role at the heart of large-scale digital transformation. You'll work alongside senior engineers, solution leaders and delivery experts to design technical solutions that solve genuine business challenges. What you'll be doing * Partner with sales and delivery teams to shape solutions for application modernisation and digital transformation. * Lead client workshops, scope complex technical requirements, and translate them into compellin
£130000 GBP - Onsite WORKING - Location: Central London, Greater London - United Kingdom Type: Permanent - Pre-Sales Solution Architect - Hybrid - UK (flexible location) £100,000 + bonus - Permanent - You'll be joining a global technology consultancy that helps enterprise clients transform and modernise their application estates - turning complex legacy environments into scalable, cloud-ready platforms. This is a client-facing pre-sales role at the heart of large-scale digital transformation. You'll work alongside senior engineers, solution leaders and delivery experts to design technical solutions that solve genuine business challenges. What you'll be doing * Partner with sales and delivery teams to shape solutions for application modernisation and digital transformation. * Lead client workshops, scope complex technical requirements, and translate them into compellin
PREMIUM
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Role/Job Title: Software Engineer C++, C# .Net - Work Location: Edinburgh - Role type Permanent/Fixed Term/Contracting: Contracting - Mode of working Hybrid/Office based: Office Based - The Role - We are seeking an experienced and hands-on Software Engineer with skills in developing applications on C++, C# .Net and with a Utilities background. Your Responsibilities * Development of applications using C++, C# .Net for power utilities products - Your Profile * In-depth knowledge of C# .NET languages * Design, develop, and manage high-performance software applications using C# * Implement and optimize code for performance, security, and memory efficiency * Test and debug various .NET applications * Monitor and optimize the performance and responsiveness of .NET applications across multiple platforms and environments * Integrate third-party libraries, tools, and APIs into
Role/Job Title: Software Engineer C++, C# .Net - Work Location: Edinburgh - Role type Permanent/Fixed Term/Contracting: Contracting - Mode of working Hybrid/Office based: Office Based - The Role - We are seeking an experienced and hands-on Software Engineer with skills in developing applications on C++, C# .Net and with a Utilities background. Your Responsibilities * Development of applications using C++, C# .Net for power utilities products - Your Profile * In-depth knowledge of C# .NET languages * Design, develop, and manage high-performance software applications using C# * Implement and optimize code for performance, security, and memory efficiency * Test and debug various .NET applications * Monitor and optimize the performance and responsiveness of .NET applications across multiple platforms and environments * Integrate third-party libraries, tools, and APIs into
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Contract Role: Prompt Engineer (Salesforce & Generative AI Integration) Duration: 4–5 months (November – March) Day Rate: £600–£700 (Inside IR35) Location: Fully Remote (UK-based candidates only) Overview - We are seeking a highly skilled Prompt Engineer with deep expertise in the Salesforce platform and hands-on experience in Generative AI integration. This role bridges the gap between business requirements and intelligent automation, crafting high-impact prompts and embedding AI capabilities into Salesforce workflows to enhance customer experience and operational efficiency. Key Responsibilities - Salesforce Platform Expertise * Design and configure Salesforce objects, data models, and automation using Flows, Apex, and Lightning Web Components (LWC). * Leverage Service Cloud and Sales Cloud functionality to support AI-driven use cases.
Contract Role: Prompt Engineer (Salesforce & Generative AI Integration) Duration: 4–5 months (November – March) Day Rate: £600–£700 (Inside IR35) Location: Fully Remote (UK-based candidates only) Overview - We are seeking a highly skilled Prompt Engineer with deep expertise in the Salesforce platform and hands-on experience in Generative AI integration. This role bridges the gap between business requirements and intelligent automation, crafting high-impact prompts and embedding AI capabilities into Salesforce workflows to enhance customer experience and operational efficiency. Key Responsibilities - Salesforce Platform Expertise * Design and configure Salesforce objects, data models, and automation using Flows, Apex, and Lightning Web Components (LWC). * Leverage Service Cloud and Sales Cloud functionality to support AI-driven use cases.
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Principal Security Engineer (Vulnerability Management)
Principal Security Engineer (Vulnerability Management)
Oracle Corporation (UK) Ltd
South East
Competitive
Who We Are - We are a world-class team of high calibre application security researchers and engineers who thrive on new challenges. We are an inclusive and diverse team with a full spectrum of experience distributed globally. We have the resources of a large enterprise and the energy of a start-up, working on a critical Greenfield software assurance project collaboratively with our cloud and mobile engineering teams. The Software Assurance organization has the mission is to make application security and software assurance, at scale, a reality. We are a dedicated team, leveraging each others insights and abilities to produce cutting edge solutions to difficult problems through automation and CI/CD. Join us to grow your career and create the future of software assurance at scale together. What Youll Bring
Who We Are - We are a world-class team of high calibre application security researchers and engineers who thrive on new challenges. We are an inclusive and diverse team with a full spectrum of experience distributed globally. We have the resources of a large enterprise and the energy of a start-up, working on a critical Greenfield software assurance project collaboratively with our cloud and mobile engineering teams. The Software Assurance organization has the mission is to make application security and software assurance, at scale, a reality. We are a dedicated team, leveraging each others insights and abilities to produce cutting edge solutions to difficult problems through automation and CI/CD. Join us to grow your career and create the future of software assurance at scale together. What Youll Bring
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Connect with Eutelsat Group - Be part of a new era in communications, transforming connectivity with Eutelsat Group the worlds first GEO-LEO integrated global satellite operator. As a leader in satellite communications, we provide global connectivity solutions - connecting businesses, communities, and governments around the world. We can connect you at on land, at sea and in the air. We also deliver broadcast television channels and packages, transmitting vital news reports around the world. * Pioneer the future of Space Technology * Bring connectivity to remote frontiers * Collaborate with customer-centric experts * Embrace cultural diversity in our global team - In a dynamic industry where passion drives our teams to make a difference to become the most trusted partner for global satellite connectivity, you will elevate your skills in a stretching, rewarding, and me
Connect with Eutelsat Group - Be part of a new era in communications, transforming connectivity with Eutelsat Group the worlds first GEO-LEO integrated global satellite operator. As a leader in satellite communications, we provide global connectivity solutions - connecting businesses, communities, and governments around the world. We can connect you at on land, at sea and in the air. We also deliver broadcast television channels and packages, transmitting vital news reports around the world. * Pioneer the future of Space Technology * Bring connectivity to remote frontiers * Collaborate with customer-centric experts * Embrace cultural diversity in our global team - In a dynamic industry where passion drives our teams to make a difference to become the most trusted partner for global satellite connectivity, you will elevate your skills in a stretching, rewarding, and me
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Related Jobs
Locations
- Southwark
- The City, City (EC3)
- The City, City (EC4)
- Felbridge
- Holborn
- Chiswick
- Euston
- Frimley
- Greenwich
- Holloway
- City of London
- South West London
- Reading
- Cambridge
- South East London
- Central London
- West End
- Basingstoke
- Oxford
- East Grinstead
- London
- Berkshire
- Surrey
- Cambridgeshire
- Hampshire
- Oxfordshire
- West Sussex
- Buckinghamshire
- Kent
- Bedfordshire
- South East
- East Anglia