API Development Job Vacancies

176 to 200 of 250 API Development Jobs

Machine Learning Engineer

Manchester, Lancashire, England, United Kingdom
The Portfolio Group
the-art generative AI, retrieval-augmented generation (RAG), and reasoning frameworks to build intelligent and context-aware systems. We are seeking talented Machine Learning Engineers with full-stack software development experience to join our client's team and help shape the future of AI-powered automation. Within this dynamic role varied duties will include: Search relevancy engineering. Conversational AI … Development : Design, train, fine-tune, and deploy LLMs with reasoning capabilities. Retrieval-Augmented Generation (RAG): Implement, optimise, and scale RAG pipelines for effective information retrieval from structured and unstructured sources. Model Fine-Tuning & Training : Train domain-specific models using techniques like LoRA, QLoRA, PEFT, reinforcement learning, and supervised fine-tuning (SFT). Model Deployment & Inferencing : Optimise model serving and … AutoGen, and DSPy. AWS Cloud & MLOps: Deploy scalable machine learning workloads on AWS using services like SageMaker, Bedrock, Lambda, S3, DynamoDB, ECS, and EKS. End-to-End AI Product Development : Work across the full ML lifecycle, from data collection and preprocessing to model evaluation, deployment, and monitoring. Full-Stack Integration : Develop APIs and integrate ML models into web applications More ❯
Employment Type: Full-Time
Salary: Competitive salary
Posted:

Machine Learning Engineer

London, South East, England, United Kingdom
The Portfolio Group
the-art generative AI, retrieval-augmented generation (RAG), and reasoning frameworks to build intelligent and context-aware systems. We are seeking talented Machine Learning Engineers with full-stack software development experience to join our client's team and help shape the future of AI-powered automation. Within this dynamic role varied duties will include: Search relevancy engineering. Conversational AI … Development : Design, train, fine-tune, and deploy LLMs with reasoning capabilities. Retrieval-Augmented Generation (RAG): Implement, optimise, and scale RAG pipelines for effective information retrieval from structured and unstructured sources. Model Fine-Tuning & Training : Train domain-specific models using techniques like LoRA, QLoRA, PEFT, reinforcement learning, and supervised fine-tuning (SFT). Model Deployment & Inferencing : Optimise model serving and … AutoGen, and DSPy. AWS Cloud & MLOps: Deploy scalable machine learning workloads on AWS using services like SageMaker, Bedrock, Lambda, S3, DynamoDB, ECS, and EKS. End-to-End AI Product Development : Work across the full ML lifecycle, from data collection and preprocessing to model evaluation, deployment, and monitoring. Full-Stack Integration : Develop APIs and integrate ML models into web applications More ❯
Employment Type: Full-Time
Salary: Salary negotiable
Posted:

Platform Engineering Lead

London, South East, England, United Kingdom
Henderson Scott
of collaboration and continuous improvement. Evangelise emerging technologies and modern engineering practices. Mentor and guide large technical teams, promoting high standards in code quality, DevSecOps, and automation. Drive the development of cloud-native applications, with a strong focus on modern JavaScript frameworks and API/microservices architecture. Monitor and improve engineering maturity across teams. Collaborate closely with stakeholders … manage technical dependencies, and communicate effectively through strong storytelling and influence. Essential Skills & Experience: Strong background in JavaScript frameworks, microservices, and API development. Experience in building modern applications with cloud-native architectures. Proven leadership in large technical teams, with an Agile and product-focused mindset. Expertise in engineering culture, DevSecOps, and automation. Experience with public cloud platforms (e.g., AWS More ❯
Employment Type: Full-Time
Salary: £100,000 - £900,000 per annum
Posted:

Machine Learning Engineer

Manchester, United Kingdom
The Portfolio Group
the-art generative AI, retrieval-augmented generation (RAG), and reasoning frameworks to build intelligent and context-aware systems. We are seeking talented Machine Learning Engineers with full-stack software development experience to join our client's team and help shape the future of AI-powered automation. Within this dynamic role varied duties will include: Search relevancy engineering. Conversational AI … Development : Design, train, fine-tune, and deploy LLMs with reasoning capabilities. Retrieval-Augmented Generation (RAG): Implement, optimise, and scale RAG pipelines for effective information retrieval from structured and unstructured sources. Model Fine-Tuning & Training : Train domain-specific models using techniques like LoRA, QLoRA, PEFT, reinforcement learning, and supervised fine-tuning (SFT). Model Deployment & Inferencing : Optimise model serving and … AutoGen, and DSPy. AWS Cloud & MLOps: Deploy scalable machine learning workloads on AWS using services like SageMaker, Bedrock, Lambda, S3, DynamoDB, ECS, and EKS. End-to-End AI Product Development : Work across the full ML lifecycle, from data collection and preprocessing to model evaluation, deployment, and monitoring. Full-Stack Integration : Develop APIs and integrate ML models into web applications More ❯
Employment Type: Permanent
Posted:

Machine Learning Engineer

London, United Kingdom
The Portfolio Group
the-art generative AI, retrieval-augmented generation (RAG), and reasoning frameworks to build intelligent and context-aware systems. We are seeking talented Machine Learning Engineers with full-stack software development experience to join our client's team and help shape the future of AI-powered automation. Within this dynamic role varied duties will include: Search relevancy engineering. Conversational AI … Development : Design, train, fine-tune, and deploy LLMs with reasoning capabilities. Retrieval-Augmented Generation (RAG): Implement, optimise, and scale RAG pipelines for effective information retrieval from structured and unstructured sources. Model Fine-Tuning & Training : Train domain-specific models using techniques like LoRA, QLoRA, PEFT, reinforcement learning, and supervised fine-tuning (SFT). Model Deployment & Inferencing : Optimise model serving and … AutoGen, and DSPy. AWS Cloud & MLOps: Deploy scalable machine learning workloads on AWS using services like SageMaker, Bedrock, Lambda, S3, DynamoDB, ECS, and EKS. End-to-End AI Product Development : Work across the full ML lifecycle, from data collection and preprocessing to model evaluation, deployment, and monitoring. Full-Stack Integration : Develop APIs and integrate ML models into web applications More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Machine Learning Engineer

Burbage, Leicestershire, United Kingdom
The Portfolio Group
the-art generative AI, retrieval-augmented generation (RAG), and reasoning frameworks to build intelligent and context-aware systems. We are seeking talented Machine Learning Engineers with full-stack software development experience to join our client's team and help shape the future of AI-powered automation. Within this dynamic role varied duties will include: Search relevancy engineering. Conversational AI … Development : Design, train, fine-tune, and deploy LLMs with reasoning capabilities. Retrieval-Augmented Generation (RAG): Implement, optimise, and scale RAG pipelines for effective information retrieval from structured and unstructured sources. Model Fine-Tuning & Training : Train domain-specific models using techniques like LoRA, QLoRA, PEFT, reinforcement learning, and supervised fine-tuning (SFT). Model Deployment & Inferencing : Optimise model serving and … AutoGen, and DSPy. AWS Cloud & MLOps: Deploy scalable machine learning workloads on AWS using services like SageMaker, Bedrock, Lambda, S3, DynamoDB, ECS, and EKS. End-to-End AI Product Development : Work across the full ML lifecycle, from data collection and preprocessing to model evaluation, deployment, and monitoring. Full-Stack Integration : Develop APIs and integrate ML models into web applications More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Machine Learning Engineer

Hinckley, Leicestershire, United Kingdom
The Portfolio Group
the-art generative AI, retrieval-augmented generation (RAG), and reasoning frameworks to build intelligent and context-aware systems. We are seeking talented Machine Learning Engineers with full-stack software development experience to join our client's team and help shape the future of AI-powered automation. Within this dynamic role varied duties will include: Search relevancy engineering. Conversational AI … Development : Design, train, fine-tune, and deploy LLMs with reasoning capabilities. Retrieval-Augmented Generation (RAG): Implement, optimise, and scale RAG pipelines for effective information retrieval from structured and unstructured sources. Model Fine-Tuning & Training : Train domain-specific models using techniques like LoRA, QLoRA, PEFT, reinforcement learning, and supervised fine-tuning (SFT). Model Deployment & Inferencing : Optimise model serving and … AutoGen, and DSPy. AWS Cloud & MLOps: Deploy scalable machine learning workloads on AWS using services like SageMaker, Bedrock, Lambda, S3, DynamoDB, ECS, and EKS. End-to-End AI Product Development : Work across the full ML lifecycle, from data collection and preprocessing to model evaluation, deployment, and monitoring. Full-Stack Integration : Develop APIs and integrate ML models into web applications More ❯
Employment Type: Permanent
Posted:

Machine Learning Engineer

City of London, London, Finsbury Square, United Kingdom
The Portfolio Group
the-art generative AI, retrieval-augmented generation (RAG), and reasoning frameworks to build intelligent and context-aware systems. We are seeking talented Machine Learning Engineers with full-stack software development experience to join our client's team and help shape the future of AI-powered automation. Within this dynamic role varied duties will include: Search relevancy engineering. Conversational AI … Development : Design, train, fine-tune, and deploy LLMs with reasoning capabilities. Retrieval-Augmented Generation (RAG): Implement, optimise, and scale RAG pipelines for effective information retrieval from structured and unstructured sources. Model Fine-Tuning & Training : Train domain-specific models using techniques like LoRA, QLoRA, PEFT, reinforcement learning, and supervised fine-tuning (SFT). Model Deployment & Inferencing : Optimise model serving and … AutoGen, and DSPy. AWS Cloud & MLOps: Deploy scalable machine learning workloads on AWS using services like SageMaker, Bedrock, Lambda, S3, DynamoDB, ECS, and EKS. End-to-End AI Product Development : Work across the full ML lifecycle, from data collection and preprocessing to model evaluation, deployment, and monitoring. Full-Stack Integration : Develop APIs and integrate ML models into web applications More ❯
Employment Type: Permanent
Posted:

Senior Software Engineer (LABs)

London, United Kingdom
Checkatrade
not months. Work in small, autonomous teams that make decisions fast. AI-First Engineering - We harness the power of AI tools and APIs in production from day one, accelerating development and enhancing product capabilities. Build Zero-to-One Products - Experience the thrill of taking an idea from concept to a fully operational product. Data-Driven Decisions - We prioritise instrumentation … and iterate quickly while maintaining high standards of data collection. Work Autonomously - Collaborate with product entrepreneurs and take ownership of engineering decisions. Be Empowered with AI - Leverage AI-powered development tools to move faster and smarter. Who You Are A builder at heart - You love crafting new products from scratch. Passionate about startups and zero-to-one development … Strong full-stack engineering skills with experience in rapid prototyping . Proficiency in TypeScript, Node.js, React , and cloud platforms . A data-driven mindset with experience in metrics-based development . A track record of shipping in fast-paced environments. Hands-on experience with API development and modern software engineering practices. Our Tech Stack Frontend : React, TypeScript More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Cloud Marketplace 2nd Line Support Analyst

Marlow, Buckinghamshire, United Kingdom
Softcat plc
functional teamsto manage and deploy cloud solutions We'd love you to have Strong knowledge of cloud platforms(e.g., AWS, Azure, Google Cloud) Experience with C#, MVC including RESTful API development and consumption with JSON Experience within SOA/API architecture Web Services development and consumption Excellent troubleshooting skillsfor both cloud and on-premises systems We More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Workday Extend Expert

Norwich, Norfolk
LA International Computer Consultants Ltd
with the ability to communicate and collaborate effectively with both technical and functional stakeholders. This role is pivotal in enabling long-term self-sufficiency for the client's Workday development capability and will also include a strong mentorship component, where the candidate will work closely with internal teams to guide them on Workday Extend best practices. Essential skills/… Experience with Object-Oriented Programming (OOP) concepts and JavaScript or a similar language. * Familiarity with Workday security model, including domain and business process security policies. * Strong understanding of RESTful API development and web service integration. * Effective communication and documentation skills, especially in mentoring or training settings. * Strong analytical and problem-solving abilities in a collaborative, fast-paced environment. More ❯
Employment Type: Contract
Rate: £540 - £550
Posted:

Senior React Engineer Fully Remote

Manchester, North West, United Kingdom
Hybrid / WFH Options
Interact Consulting Limited
and mobile applications. You'll work closely with cross-functional teams to deliver seamless, scalable, and secure solutions that empower both patients and healthcare professionals. Key Responsibilities Lead the development of user interfaces using React, React Native, and Next.js. Build and maintain robust APIs with experience in Nest.js or similar frameworks. Ensure high performance and responsiveness across both web … best practices in code quality, testing, and documentation. Skills & Experience Expertise in React, React Native, and Next.js with a proven track record of building complex applications. Strong experience with API development using Nest.js or similar backend frameworks. Excellent JavaScript/TypeScript skills and familiarity with modern frontend tooling. Experience in a startup environment or fast-paced tech company More ❯
Employment Type: Permanent, Work From Home
Posted:

Python Software Engineer

Leicester, Leicestershire, United Kingdom
Uniting Ambition
This role offers the opportunity to contribute to cutting-edge tools and platforms that optimize renewable energy assets and drive the clean energy transition. While Python is the primary development language, experience or interest in C# is considered a plus. This is a back-end focused position, but there is a data component, so familiarity with data science or … in architecture decisions, code reviews, and continuous improvement of engineering practices. Required Skills & Experience Strong programming experience in Python (3+ years preferred). Solid understanding of backend architecture, including API development and database design. Experience working in or with the energy sector - particularly renewables, grid systems, or electricity markets. Exposure to data processing and analysis workflows, preferably in More ❯
Employment Type: Permanent
Salary: GBP 50,000 - 60,000 Annual
Posted:

Python Software Engineer

Greater Manchester, Lancashire, England, United Kingdom
Uniting Ambition
This role offers the opportunity to contribute to cutting-edge tools and platforms that optimize renewable energy assets and drive the clean energy transition. While Python is the primary development language, experience or interest in C# is considered a plus. This is a back-end focused position, but there is a data component, so familiarity with data science or … in architecture decisions, code reviews, and continuous improvement of engineering practices. Required Skills & Experience Strong programming experience in Python (3+ years preferred). Solid understanding of backend architecture, including API development and database design. Experience working in or with the energy sector - particularly renewables, grid systems, or electricity markets. Exposure to data processing and analysis workflows, preferably in More ❯
Employment Type: Full-Time
Salary: £50,000 - £60,000 per annum
Posted:

Python Software Engineer

Greater London, Leicester, Leicestershire, United Kingdom
Uniting Ambition
This role offers the opportunity to contribute to cutting-edge tools and platforms that optimize renewable energy assets and drive the clean energy transition. While Python is the primary development language, experience or interest in C# is considered a plus. This is a back-end focused position, but there is a data component, so familiarity with data science or … in architecture decisions, code reviews, and continuous improvement of engineering practices. Required Skills & Experience Strong programming experience in Python (3+ years preferred). Solid understanding of backend architecture, including API development and database design. Experience working in or with the energy sector - particularly renewables, grid systems, or electricity markets. Exposure to data processing and analysis workflows, preferably in More ❯
Employment Type: Permanent
Salary: £50000 - £60000/annum
Posted:

Senior Software Developer

Liverpool, Lancashire, United Kingdom
Maxwell Bond
developers, where you'll step in as a senior with a clear pathway to progress into a lead role within a year! Tech Stack: C# .NET SQL databases API Development Experience with modern JS frameworks - Angular or Vue preferred What Makes This Role Stand Out? High autonomy and the chance to shape the company's future tech direction More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Back-end Engineer - Team Decide

Oxford, Oxfordshire, United Kingdom
Taktile GmbH
Strong engineering fundamentals with a passion for simplicity and precision. Required Experience Prior industry experience with Python. Experience with databases and AWS or similar cloud providers. Proficient in RESTful API development and management. Ideal, But Not Required DynamoDB/Postgres/Pydantic/AWS Lambda/SQLAlchemy. Experience with frontend development (e.g., React or similar frameworks). … know and leverage our network of leading tech investors and advisors around the globe. Receive a top-of-market equity and cash compensation package. Get access to a self-development budget you can use to e.g. attend conferences, buy books or take classes. Receive a new Apple MacBook Pro, as well as meaningful home office set-up. Our Stance More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Back-end Engineer - Team Resolve

Oxford, Oxfordshire, United Kingdom
Taktile GmbH
effective communication. Strong engineering fundamentals with a passion for simplicity and precision. Ideal, But Not Required DynamoDB/Postgres/Pydantic/AWS Lambda/SQLAlchemy. Experience with frontend development (e.g., React or similar frameworks). Required Experience Prior industry experience with Python backend. At least one prior work experience is required - this is not an entry-level position. … Experience with databases and AWS or similar cloud providers. Proficient in RESTful API development and management. Our Offer Work with colleagues that lift you up, challenge you, celebrate you and help you grow. We come from many different backgrounds, but what we have in common is the desire to operate at the very top of our fields. If … know and leverage our network of leading tech investors and advisors around the globe. Receive a top-of-market equity and cash compensation package. Get access to a self-development budget you can use to e.g. attend conferences, buy books or take classes. Receive a new Apple MacBook Pro, as well as meaningful home office set-up. Our Stance More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

AI Solutions Engineer

England, United Kingdom
Elekta AB
Develop Intelligent Applications: Create AI-powered software solutions and APIs, integrating with enterprise systems like Salesforce and JIRA. Collaborate Across Functions: Work with Product Design, Remote Command Center, Information Development, and Elekta Care Support teams to align AI solutions with business and service goals. Monitor AI Performance: Implement DevOps practices and define KPIs for continuous AI solution improvement. Drive … AI Foundry, Palantir Foundry, AIP, Anthropic Console, Salesforce Einstein, and Google AI Studio. Proficiency in programming and scripting languages like Python, C#, or PowerShell. Knowledge of MLOps, DevOps, and API development/integration. Understanding of data governance, cloud security, and compliance (GDPR/HIPAA). Self-motivated with a passion for AI and service transformation. Structured, analytical, and More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Microsoft Power Platform and AI Technical Architect - Permanent

United Kingdom
Delaware Digital
machine learning capabilities to enhance business processes and decision-making. Ensure solutions are scalable, secure, and aligned with best practices and industry standards. Provide technical leadership and mentorship to development teams including a mixture of technical, functional, onshore and offshore resources. Conduct code and solution reviews and ensure the quality of deliverables. Supporting Sales and Proof of Concept work … . Experience of at scale integration of the Power Platform stack, including awareness of techniques to ensure integration performance and design for scale is advantageous. Experience of Pro-Code development approaches, including building code for Power Platform/D365 through C# Experience of Solution and Application Lifecycle management and deployment techniques (any experience of IaC is advantageous - ARM/… Bicep/Terraform) Experience of the implementation of AI models through AI services, including Azure Foundry. Experience with data modeling, integration, and API development. Excellent problem-solving skills and the ability to think critically and strategically. Strong communication and interpersonal skills. Ability to work independently and as part of a team. Our Culture and Values We attract and retain More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Product Owner - Sports Data

United Kingdom
Hawk-Eye Innovations (HEI)
with relevant stakeholder management experience Experience scoping and building new data feeds and understanding how they get used by both internal and external stakeholders Experience with data delivery technology, API development and message queuing, preferably within sports Experience with AWS or similar technologies and infrastructure Some experience with REST and/or GraphQL APIs Experience working with sports More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Product Owner - Sports Data

Basingstoke, Hampshire, United Kingdom
Hawk-Eye Innovations Ltd
with relevant stakeholder management experience Experience scoping and building new data feeds and understanding how they get used by both internal and external stakeholders Experience with data delivery technology, API development and message queuing, preferably within sports Experience with AWS or similar technologies and infrastructure Some experience with REST and/or GraphQL APIs Experience working with baseball More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Senior IT Data Project Manager (API Development)

Brussel, Belgium
Innova Solutions
Our client is looking for a Senior IT Data Project Manager/Program Manager (API Development) to oversee one or more projects. You will manage IT infrastructure projects , such as developing APIs , ensuring on-time, on-budget delivery , and alignment with business goals. This role requires close collaboration with internal departments and calls for strong project management skills … and customer feedback Provide coaching , team leadership , and training ️ Technical Requirements Master's Degree in Computer Science (or equivalent experience) 10+ years of IT Project Management (especially in app development ) Strong knowledge of IT infrastructure and dev environments Agile mindset Certified in PRINCE2, PMI , or similar Non-Technical Requirements Strong analytical and problem-solving skills Self-starter capable of More ❯
Employment Type: Permanent
Salary: EUR Annual
Posted:

Java API Developer

Lake Forest, California, United States
Pozent
Notes: No employers, only self corporation & W2 candidates. Strong demonstrable experience in system solutions design (coming from a development background) Experience with Binary repository tools (Artifactory, Nexus) Experience with CI tools (Jenkins, TeamCity) and Build tools (maven, gradle, ant, make) Experience with RESTful Webservices, Setup Loadbalancer, nginx configuration Experience with BitBucket/GIT/SVN Strong understanding of the … Software Development Life Cycle including unit testing, code scanning Strong understanding of architectural concepts and design Hands-on Linux/Unix platforms development experience More ❯
Employment Type: Any
Salary: USD Annual
Posted:

Solution Architect API Azure

Watford, Hertfordshire, South East, United Kingdom
Hybrid / WFH Options
Method-Resourcing
standards Drive innovation through prototyping and evaluation of emerging technologies What We're Looking For: Proven experience as a Solution Architect or Solution Designer Proficiency in Azure skilled with API development, message buses and languages such as C#, Python, or PHP Excellent communication and stakeholder management skills Strategic thinker with a collaborative mindset and strong attention to technical More ❯
Employment Type: Permanent, Work From Home
Salary: £85,000
Posted:
API Development
10th Percentile
£44,125
25th Percentile
£51,250
Median
£70,000
75th Percentile
£87,500
90th Percentile
£104,375