'API Design' Job Vacancies

426 to 450 of 485 API Design Jobs

Front Office Technical Team Lead

City of London, London, United Kingdom
CMC Markets UK Plc
with your front-end counterpart to ensure alignment across the stack, to support the firm's market-making business across ranging Equities, FX, Crypto & Commodities asset classes Lead the design, development, and maintenance of the infrastructure estate, microservices, web APIs, and the business logic delivery, keeping projects on track and within scope. Drive technical decisions and trade-offs balancing … the role, including all relevant regulatory and legislative training KEY SKILLS AND EXPERIENCE Strong expertise in Java, Spring Framework/Spring Boot, or related backend frameworks Solid understanding of API design, microservices, and distributed messaging architectures Solid experience in advocating for and mentoring other team members, promoting coding reviews, enforcing team conventions Track record in driving initiatives/ More ❯
Employment Type: Permanent
Posted:

Solution Architect

Nationwide, United Kingdom
Morson Edge
days in-office per week, occasional on-site workshops Contract: Initial 6-month contract (potential for extension) Overview: We are seeking an experienced Solution Architect to lead the design and delivery of integration solutions within our Asset Management ecosystem. The successful candidate will play a key role in defining target architectures, delivering integration designs, and ensuring seamless interoperability between … technically adept, business-minded professional who can bridge operational and technology teams, deliver robust integration solutions, and communicate effectively with stakeholders across the organization. Key Responsibilities: Lead the Integration Design for a fault reporting solution, including ServiceNow and IBM Maximo integration. Define and document the Target Architecture for the wider Asset Management ecosystem. Collaborate with business, operational, and technical … years’ experience in Solution Architecture , ideally within large, complex corporate environments. Strong understanding of Asset Management Systems and associated data models. Proven experience with ServiceNow platform and integration design . Experience with IBM Maximo (or alternative EAM platforms such as IFS or Ultimo ). Proficiency in data integration , API design , and user interface considerations . Familiarity with More ❯
Employment Type: Contract
Rate: £700 - £800/day None
Posted:

Member of Technical Staff | Agentic Workflows | Large Language Models | Natural Language Processing | Machine Learning | Hybrid, London

City of London, London, United Kingdom
Hybrid / WFH Options
Enigma
We are seeking a highly skilled Member of Technical Staff to lead the development of advanced agentic workflows that will transform how scientists interact with our platform. You will design autonomous systems capable of navigating complex scientific tasks — from retrieving structural biology data to designing molecular binders — entirely through natural language conversation. In this role, you will architect and … We’re looking for innovators passionate about tackling complex challenges and driving global scientific progress. Who You Are: You are a strong software engineer with deep experience in Python, API design, and distributed systems architecture. You have extensive experience in LLM orchestration, including hands-on use of major LLM APIs and frameworks such as LangChain or LlamaIndex, or … through simple chat interfaces. Develop knowledge discovery pipelines that autonomously mine scientific literature, identify disease pathways, and propose potential therapeutic targets. Create scalable scientific content by building agents that design experiments, generate hypotheses, and draft research-grade materials. Pioneer autonomous lab workflows through agents that design and validate complex biological systems. Collaborate with scientists to translate research pain More ❯
Posted:

Member of Technical Staff | Agentic Workflows | Large Language Models | Natural Language Processing | Machine Learning | Hybrid, London

London Area, United Kingdom
Hybrid / WFH Options
Enigma
We are seeking a highly skilled Member of Technical Staff to lead the development of advanced agentic workflows that will transform how scientists interact with our platform. You will design autonomous systems capable of navigating complex scientific tasks — from retrieving structural biology data to designing molecular binders — entirely through natural language conversation. In this role, you will architect and … We’re looking for innovators passionate about tackling complex challenges and driving global scientific progress. Who You Are: You are a strong software engineer with deep experience in Python, API design, and distributed systems architecture. You have extensive experience in LLM orchestration, including hands-on use of major LLM APIs and frameworks such as LangChain or LlamaIndex, or … through simple chat interfaces. Develop knowledge discovery pipelines that autonomously mine scientific literature, identify disease pathways, and propose potential therapeutic targets. Create scalable scientific content by building agents that design experiments, generate hypotheses, and draft research-grade materials. Pioneer autonomous lab workflows through agents that design and validate complex biological systems. Collaborate with scientists to translate research pain More ❯
Posted:

Member of Technical Staff Agentic Workflows Large Language Models Natural Language Processing Machine Learning Hybrid, London

South East, United Kingdom
Hybrid / WFH Options
Enigma
We are seeking a highly skilled Member of Technical Staff to lead the development of advanced agentic workflows that will transform how scientists interact with our platform. You will design autonomous systems capable of navigating complex scientific tasks - from retrieving structural biology data to designing molecular binders - entirely through natural language conversation. In this role, you will architect and … We're looking for innovators passionate about tackling complex challenges and driving global scientific progress. Who You Are: You are a strong software engineer with deep experience in Python, API design, and distributed systems architecture. You have extensive experience in LLM orchestration, including hands-on use of major LLM APIs and frameworks such as LangChain or LlamaIndex, or … through simple chat interfaces. Develop knowledge discovery pipelines that autonomously mine scientific literature, identify disease pathways, and propose potential therapeutic targets. Create scalable scientific content by building agents that design experiments, generate hypotheses, and draft research-grade materials. Pioneer autonomous lab workflows through agents that design and validate complex biological systems. Collaborate with scientists to translate research pain More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Member of Technical Staff | Agentic Workflows | Large Language Models | Natural Language Processing | Machine Learning | Hybrid, London

london, south east england, united kingdom
Hybrid / WFH Options
Enigma
We are seeking a highly skilled Member of Technical Staff to lead the development of advanced agentic workflows that will transform how scientists interact with our platform. You will design autonomous systems capable of navigating complex scientific tasks — from retrieving structural biology data to designing molecular binders — entirely through natural language conversation. In this role, you will architect and … We’re looking for innovators passionate about tackling complex challenges and driving global scientific progress. Who You Are: You are a strong software engineer with deep experience in Python, API design, and distributed systems architecture. You have extensive experience in LLM orchestration, including hands-on use of major LLM APIs and frameworks such as LangChain or LlamaIndex, or … through simple chat interfaces. Develop knowledge discovery pipelines that autonomously mine scientific literature, identify disease pathways, and propose potential therapeutic targets. Create scalable scientific content by building agents that design experiments, generate hypotheses, and draft research-grade materials. Pioneer autonomous lab workflows through agents that design and validate complex biological systems. Collaborate with scientists to translate research pain More ❯
Posted:

Member of Technical Staff | Agentic Workflows | Large Language Models | Natural Language Processing | Machine Learning | Hybrid, London

slough, south east england, united kingdom
Hybrid / WFH Options
Enigma
We are seeking a highly skilled Member of Technical Staff to lead the development of advanced agentic workflows that will transform how scientists interact with our platform. You will design autonomous systems capable of navigating complex scientific tasks — from retrieving structural biology data to designing molecular binders — entirely through natural language conversation. In this role, you will architect and … We’re looking for innovators passionate about tackling complex challenges and driving global scientific progress. Who You Are: You are a strong software engineer with deep experience in Python, API design, and distributed systems architecture. You have extensive experience in LLM orchestration, including hands-on use of major LLM APIs and frameworks such as LangChain or LlamaIndex, or … through simple chat interfaces. Develop knowledge discovery pipelines that autonomously mine scientific literature, identify disease pathways, and propose potential therapeutic targets. Create scalable scientific content by building agents that design experiments, generate hypotheses, and draft research-grade materials. Pioneer autonomous lab workflows through agents that design and validate complex biological systems. Collaborate with scientists to translate research pain More ❯
Posted:

Member of Technical Staff | Agentic Workflows | Large Language Models | Natural Language Processing | Machine Learning | Hybrid, London

london (city of london), south east england, united kingdom
Hybrid / WFH Options
Enigma
We are seeking a highly skilled Member of Technical Staff to lead the development of advanced agentic workflows that will transform how scientists interact with our platform. You will design autonomous systems capable of navigating complex scientific tasks — from retrieving structural biology data to designing molecular binders — entirely through natural language conversation. In this role, you will architect and … We’re looking for innovators passionate about tackling complex challenges and driving global scientific progress. Who You Are: You are a strong software engineer with deep experience in Python, API design, and distributed systems architecture. You have extensive experience in LLM orchestration, including hands-on use of major LLM APIs and frameworks such as LangChain or LlamaIndex, or … through simple chat interfaces. Develop knowledge discovery pipelines that autonomously mine scientific literature, identify disease pathways, and propose potential therapeutic targets. Create scalable scientific content by building agents that design experiments, generate hypotheses, and draft research-grade materials. Pioneer autonomous lab workflows through agents that design and validate complex biological systems. Collaborate with scientists to translate research pain More ❯
Posted:

Technical Architect

United Kingdom
Immersum
through key decisions on product, architecture, and delivery. 🌟 The Opportunity This role sits at the intersection of strategy, architecture, and delivery . You’ll work alongside senior product and design leads to help define what gets built, how it’s built, and why — turning ambitious ideas into an actionable roadmap. You’ll: Lead the technical discovery and architecture for … products in startup or innovation environments. Hands-on experience with AWS , TypeScript , React Native , and modern web stacks (including eCommerce or CMS integrations). Strong grounding in solution architecture , API design , and cloud infrastructure . Experience communicating architectural decisions clearly to non-technical founders . Confidence working across backend, frontend, mobile, and integration layers. Pragmatic, delivery-minded, and More ❯
Posted:

VP of AI Platform Engineering

England, United Kingdom
Wenham Carter
orchestration, APIs, SDKs, integration toolkits) and lead the technical strategy to embed AI-driven orchestration across their software portfolio. This is a hands-on senior leadership role: you will design the platform, own non-functional requirements (reliability, security, scalability, compliance), drive adoption internally and externally, and build a small, high-performing global team that moves fast with a start … up mentality. What you’ll do Define and deliver the Core AI Services platform (orchestration, APIs, SDKs, integration toolkits). Lead the design and delivery of AI-driven orchestration layers across the software portfolio. Own platform non-functional attributes: security, reliability, availability, compliance, and global scale. Lower barriers to integration - deliver an excellent developer experience (APIs, SDKs, documentation, sample … major cloud providers preferred). Solid background in AI/ML technologies, ideally with experience integrating LLMs or advanced AI models into production orchestration layers. Strong knowledge of public API design, service lifecycle management, and developer experience best practices. Familiarity with emerging AI standards and agent protocols. Practical understanding of AI governance and regulation, with demonstrable experience implementing More ❯
Posted:

Enterprise Solutions Architect - 11257SJR

Birmingham, Staffordshire, United Kingdom
Proactive.IT Appointments Limited
integrating systems from acquired entities, ensuring architectural consistency and operational excellence across the group. Key Responsibilities Define and maintain the enterprise architecture vision and roadmap aligned with business strategy. Design and guide the implementation of scalable, integrated technology solutions across ERP, CRM, and financial systems. Lead integration initiatives, ensuring coherence and data integrity across platforms. Evaluate emerging technologies and … stakeholder management and influencing skills across business and technical domains. Proven experience with ERP, CRM, and financial systems (e.g., NetSuite, SAP, Microsoft Dynamics). Solid understanding of systems architecture, API design, and modern integration patterns. Knowledge of data architecture principles, governance frameworks, and integration methodologies. Ability to assess and recommend emerging technologies that drive efficiency and scalability. Experience … equivalent). Experience leading technical teams, external consultants, or project delivery functions. Proven success delivering enterprise transformation or multi-system integration projects exceeding £500k . Hands-on experience with API development , data migration , and system integration projects. Background in legacy system modernisation , particularly ERP transitions. Exposure to M&A technology integration (due diligence and post-acquisition) highly advantageous. Experience More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Solution Architect

United Kingdom
WA Consultants Ltd
WA Consultants have a requirement for a Backend Architect preferably with experience from an e commerce company. Key Responsibilities: Architect and design scalable, secure, and high-performance backend systems. Lead the rebuilding and modernization of systems into modern, cloud-native architectures. Define and enforce best practices in backend development. Collaborate with cross-functional teams to align backend architecture with … product and business goals. Evaluate and select appropriate technologies, frameworks, and tools. Drive API design and integration strategies (REST, GraphQL, gRPC, etc.). Ensure systems are resilient, fault-tolerant, and meet SLAs. Stay up to date with industry trends and emerging technologies. For further information, please contact JonathanTaylor More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Software Architect (Back-end Systems)

United Kingdom
Hybrid / WFH Options
WA Consultants Ltd
can set up the architecture of backend systems and services, in an e-commerce driven company. A strong understanding of architectural principles and architectural patterns. Key Responsibilities Architect and design scalable, secure, and high-performance backend systems. Lead the rebuilding and modernisation of systems into modern, cloud-native architectures. Define and enforce best practices in backend development. Collaborate with … cross-functional teams to align backend architecture with product and business goals. Evaluate and select appropriate technologies, frameworks, and tools. Drive API design and integration strategies (REST, GraphQL, gRPC, etc.). Ensure systems are resilient, fault-tolerant, and meet SLAs. Stay up to date with industry trends and emerging technologies. To arrange a teams-based interview, pleasde email More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Back-End Engineer - London - Up to £115,000 Starting Base + Exceptional Bonuses/Benefits

South East, United Kingdom
Hybrid / WFH Options
Hunter Bond
seamlessly via APIs. This is the opportunity to make a real impact in a rapidly growing team, while working on cutting-edge AI technology. What You'll Work On: Design and implement scalable backend systems using Python (FastAPI, Flask, or Django) Integrate AI-generated code into production-ready services Take ownership of projects from idea to production - collaborating across … teams Experiment with LLM- and agentic-coding workflows to accelerate development Who You Are: 5+ years of experience in back-end development (Python based stack ideally) Strong understanding of API design and systems architecture Strong communication and collaboration skills Exposure to AI, LLMs or modern ML-backed systems is a plus! Apply now or reach out directly: for More ❯
Employment Type: Permanent
Salary: GBP 115,000 Annual
Posted:

Back-End Engineer - London - Up to £115,000 Starting Base + Exceptional Bonuses/Benefits

City of London, London, United Kingdom
Hybrid / WFH Options
Hunter Bond
seamlessly via APIs. This is the opportunity to make a real impact in a rapidly growing team, while working on cutting-edge AI technology. What You'll Work On: Design and implement scalable backend systems using Python (FastAPI, Flask, or Django) Integrate AI-generated code into production-ready services Take ownership of projects from idea to production — collaborating across … teams Experiment with LLM- and agentic-coding workflows to accelerate development Who You Are: 5+ years of experience in back-end development (Python based stack ideally) Strong understanding of API design and systems architecture Strong communication and collaboration skills Exposure to AI, LLMs or modern ML-backed systems is a plus! Apply now or reach out directly: hhandelman More ❯
Posted:

Back-End Engineer - London - Up to £115,000 Starting Base + Exceptional Bonuses/Benefits

London Area, United Kingdom
Hybrid / WFH Options
Hunter Bond
seamlessly via APIs. This is the opportunity to make a real impact in a rapidly growing team, while working on cutting-edge AI technology. What You'll Work On: Design and implement scalable backend systems using Python (FastAPI, Flask, or Django) Integrate AI-generated code into production-ready services Take ownership of projects from idea to production — collaborating across … teams Experiment with LLM- and agentic-coding workflows to accelerate development Who You Are: 5+ years of experience in back-end development (Python based stack ideally) Strong understanding of API design and systems architecture Strong communication and collaboration skills Exposure to AI, LLMs or modern ML-backed systems is a plus! Apply now or reach out directly: hhandelman More ❯
Posted:

Back-End Engineer - London - Up to £115,000 Starting Base + Exceptional Bonuses/Benefits

london, south east england, united kingdom
Hybrid / WFH Options
Hunter Bond
seamlessly via APIs. This is the opportunity to make a real impact in a rapidly growing team, while working on cutting-edge AI technology. What You'll Work On: Design and implement scalable backend systems using Python (FastAPI, Flask, or Django) Integrate AI-generated code into production-ready services Take ownership of projects from idea to production — collaborating across … teams Experiment with LLM- and agentic-coding workflows to accelerate development Who You Are: 5+ years of experience in back-end development (Python based stack ideally) Strong understanding of API design and systems architecture Strong communication and collaboration skills Exposure to AI, LLMs or modern ML-backed systems is a plus! Apply now or reach out directly: hhandelman More ❯
Posted:

Back-End Engineer - London - Up to £115,000 Starting Base + Exceptional Bonuses/Benefits

london (city of london), south east england, united kingdom
Hybrid / WFH Options
Hunter Bond
seamlessly via APIs. This is the opportunity to make a real impact in a rapidly growing team, while working on cutting-edge AI technology. What You'll Work On: Design and implement scalable backend systems using Python (FastAPI, Flask, or Django) Integrate AI-generated code into production-ready services Take ownership of projects from idea to production — collaborating across … teams Experiment with LLM- and agentic-coding workflows to accelerate development Who You Are: 5+ years of experience in back-end development (Python based stack ideally) Strong understanding of API design and systems architecture Strong communication and collaboration skills Exposure to AI, LLMs or modern ML-backed systems is a plus! Apply now or reach out directly: hhandelman More ❯
Posted:

Back-End Engineer - London - Up to £115,000 Starting Base + Exceptional Bonuses/Benefits

slough, south east england, united kingdom
Hybrid / WFH Options
Hunter Bond
seamlessly via APIs. This is the opportunity to make a real impact in a rapidly growing team, while working on cutting-edge AI technology. What You'll Work On: Design and implement scalable backend systems using Python (FastAPI, Flask, or Django) Integrate AI-generated code into production-ready services Take ownership of projects from idea to production — collaborating across … teams Experiment with LLM- and agentic-coding workflows to accelerate development Who You Are: 5+ years of experience in back-end development (Python based stack ideally) Strong understanding of API design and systems architecture Strong communication and collaboration skills Exposure to AI, LLMs or modern ML-backed systems is a plus! Apply now or reach out directly: hhandelman More ❯
Posted:

Software Engineer (all genders)

Villach, Kärnten, Austria
Hybrid / WFH Options
Lam Research
at Lam, you will be at the forefront of innovation by designing, developing, and troubleshooting, and debugging software programs. Your role is pivotal in developing software tools that support design, infrastructure, and technology platforms. Your expertise will determine hardware compatibility and influence design, ensuring seamless integration between software and hardware. In this role, you'll make an impact … across Lam's entire product portfolio of equipment working within our centralized software engineering team, collaborating with some of the brightest minds in the industry. What you'll do Design, develop, troubleshoot, and debug software programs for our industrial machine controls applications. Write efficient, reliable code in C/C++ for computer devices, as well as interfaces, ensuring functionality … Profil Master's or Bachelor's degree in computer engineering, electronics, or similar relevant engineering disciplines with 3+years of working experience. Very good coding skills in modern C++, including API design, object-oriented and functional programming, as well as component-level software architecture. Familiar with network, serial device control, and IO control systems. Furthermore, you have a clear More ❯
Employment Type: Permanent
Salary: EUR Annual
Posted:

Solution Architect (Cards)

Northampton, Northamptonshire, United Kingdom
Hybrid / WFH Options
N Consulting Limited
and verbal), anticipate potential objections and persuade others to adopt the most appropriate view. Banking (retail) experience is preferred Experience of working in a highly regulated environment. Exposure to API design strategies both for internal and external customer usage Exposure to Cloud technologies. AWS Solution Architect certification - foundation level or higher Experience of working with service management teams More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Head of Integration Service

London, South East, England, United Kingdom
University of the Arts London
University of the Arts London (UAL) is a world-leading creative University for teaching and research in art, design, fashion, communication and performing arts. UAL is made up of six renowned colleges and hosts several centres and institutes that further the University’s mission and social purpose, through the students and ideas we send out into the world and … and Data team, which plays a critical leadership role in shaping and delivering University of the Arts London’s enterprise integration strategy. This role is responsible for driving an API-first approach to system integration, ensuring that UAL’s digital platforms are seamlessly connected, scalable, and aligned with strategic priorities. You will lead a team of integration architects and … developers, overseeing the design, development, and optimisation of APIs that support business outcomes and enhance user experience. This includes managing the full lifecycle of integration services from strategy and architecture to delivery and operational support. The role requires close collaboration with internal stakeholders across Digital & Technology, academic colleges, and external partners to ensure integration solutions are robust, secure, and More ❯
Employment Type: Full-Time
Salary: £64,113 - £86,465 per annum
Posted:

Head of Integration Service

London, United Kingdom
Hays UK - University of the Arts London
University of the Arts London (UAL) is a world-leading creative University for teaching and research in art, design, fashion, communication and performing arts. UAL is made up of six renowned colleges and hosts several centres and institutes that further the University's mission and social purpose, through the students and ideas we send out into the world and … and Data team, which plays a critical leadership role in shaping and delivering University of the Arts London's enterprise integration strategy. This role is responsible for driving an API-first approach to system integration, ensuring that UAL's digital platforms are seamlessly connected, scalable, and aligned with strategic priorities. You will lead a team of integration architects and … developers, overseeing the design, development, and optimisation of APIs that support business outcomes and enhance user experience. This includes managing the full life cycle of integration services from strategy and architecture to delivery and operational support. The role requires close collaboration with internal stakeholders across Digital & Technology, academic colleges, and external partners to ensure integration solutions are robust, secure More ❯
Employment Type: Permanent
Salary: GBP 60,484 - 81,571 Annual
Posted:

Product Manager - AI Customer Automation

Amsterdam, Noord-Holland, Netherlands
Gigs
AI agents) Strong product sense and bias for action-knowing when to go deep and when to move fast Excellent written communication and executive presentation skills Familiarity with great API design and a deep understanding of Gigs' role in telecom Bonus points if Experience building internal tools for operationally intensive businesses Proven ability to build and lead high … output teams Experience founding a company or taking products from 0 1 Basic coding background Work at Gigs We are remote-friendly by design, with hubs for in-person collaboration as needed. Our hubs include Gigs Pads in San Francisco, London, Amsterdam, and Berlin, and Gigs Republic events twice a year to align on ideas and culture. What We More ❯
Employment Type: Permanent
Salary: EUR 70,000 - 90,000 Monthly
Posted:

Solutions Architect

South West, United Kingdom
Hybrid / WFH Options
Tata Consultancy Services
role serves as a trusted advisor to both internal and external partners within the Java ecosystem. As a Java Solution Architect, one must possess knowledge of overall architecture/design for Java implementations across multiple projects or one large complex project under the leadership of a lead Architect. Your responsibilities: • Driving discussion with Client and Business Users on Solution … Design. • Retrofitting Business Requirement in Java landscape based on the current architecture and Solution Design . • Documenting Functional Requirement, with Solution Design. • Designing and implementing scalable and flexible program architectures that support point-based tiered, and personalized structures . • Integrate solutions with POS systems, e-commerce platforms, and mobile apps for seamless customer experience. • Define architecture for marketing automation … platforms, campaign management systems, and CRM solutions. • Design API-driven architectures for integrating third-party marketing platforms, ad networks, and analytics tools. Leverage cloud-native technologies (AWS/GCP) for scalability, performance, and cost-efficiency. •Collaborate with cross-functional teams to determine the best implementation strategies for Java solutions. • You must Lead and prioritization/scoping of business More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:
API Design
10th Percentile
£52,500
25th Percentile
£61,250
Median
£75,000
75th Percentile
£100,000
90th Percentile
£132,500