Permanent API Development Job Vacancies

301 to 325 of 379 Permanent API Development Jobs

Cloud Integration Developer

Leeds, Yorkshire, United Kingdom
Softcat plc
database, middleware and web solutions that underpin critical areas such as Sales, Finance, Operations and Service Management. Working closely with our Architecture/Design team you will ensure that development work is completed in line with the core principles outlined in our IT Strategy and Release Management Processes Supporting the Solution Architects by inputting into the solution design process … Working closely with Business Analysts, Testers and other stakeholders during the development life cycle Developing a range of solutions across our web application, database, and middleware estate Joining daily stand ups and sprint planning/review sessions Testing - unit testing and peer review We'd love you to have 5+ years experience with C#, MVC including RESTful API development and consumption with JSON 3+ years experience within SOA/API architecture Entity Framework 3+ years experience working with T-SQL We also acknowledgethattheconfidencegap and imposter syndrome are a real thing andcanget in thewayof us meeting fantastic talent, so please don't hesitate to apply - we would love to hear from you! Work in a way More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Platform Engineering Lead

City of London, London, 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: Permanent
Posted:

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:

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:

Golang Developer

United Kingdom, UK
Hybrid / WFH Options
Attis
duty & tariffs, etc and develop APIs for 3rd party integrations. The ideal candidate will have substantial expertise in working with Golang, ideally in an AWS serverless environment. Responsibilities: Backend Development: Design, develop, and maintain serverless systems in Golang on AWS. Utilize AWS services such as DynamoDB, S3, ECS, ECR for efficient data processing. Integration and Deployment: 3rd part API development Work on systems using AWS ECS and ECR for deployment. Implement and optimize CI/CD pipelines for efficient deployment processes. Monitoring and Logging: Implement and maintain monitoring solutions using CloudWatch. Utilize EventBridge for event-driven architectures. Requirements: proficiency in Golang (additional Nodejs experience could be beneficial) with AWS services, serverless architecture, and Docker containers. problem-solving More ❯
Employment Type: Full-time
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:

Principal, IT Engineer - Agentic AI

United Kingdom
Skillsoft
unleash their edge. We are looking for a forward-thinking Microsoft Copilot Studio AI Engineer to join our growing innovation team. In this role, you will lead the design, development, and deployment of intelligent agents using Microsoft Copilot Studio and Azure AI tools . You will work closely with cross-functional teams to automate business workflows, boost productivity, and … and analyze performance using Azure Monitor, Application Insights, and feedback telemetry. Design human-in-the-loop (HITL) workflows to support accuracy, compliance, and trust. Apply Responsible AI principles in development, testing, and deployment processes. Build reusable templates, connectors, and governance frameworks for agent scalability. Stay current with Microsoft Copilot platform updates and industry best practices. Rapidly prototype and iterate … Studio or Copilot Studio, with a focus on grounding, safety, and user experience. Enterprise Integration Experience integrating with enterprise systems such as Salesforce, Workday, and Microsoft 365. Knowledge of API development, RBAC, data governance, and enterprise-grade security. Preferred Qualifications Should possess more than 8 years of IT experience with 2-3 years of Automation/Agentic-AI More ❯
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:

Staff FullStack Engineer - Remote (EMEA)

United Kingdom
Hybrid / WFH Options
WunderGraph, Inc
at companies like eBay and SoundCloud build and manage their mission-critical federated GraphQL APIs. Your primary responsibility is to architect and build the definitive user experience for modern API development, creating a single, cohesive product that bridges our high-performance Go-based router and our TypeScript/React/Next.js-based frontend. You will not only design … completely, from architecture to operation, embodying our value of "Velocity over Perfection". Drive the architectural vision for the entire full-stack experience, making key decisions on frontend technologies, API design, and their integration with our core Go services. Bring deep full-stack expertise to the table, leveling up the entire team through mentorship, architectural guidance, and by championing … written in Go. You thrive in the dynamic environment of a scaling, remote-first company that values direct customer interaction and fast iteration. A strong understanding of system architecture, API design, and GraphQL. Familiarity with GraphQL Federation is a significant plus. Experience building or working with developer tools, platforms, or products with a highly technical user base is strongly More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Python Full stack Developer

England, UK
NonStop Consulting
in Computer Science, Software Engineering, or a related field, offering you the opportunity to further your knowledge in this innovative environment. 2+ years of professional experience in backend/API development using Python, allowing you to excel in a challenging and dynamic role. Strong proficiency in modern Python web frameworks like FastAPI or Flask, coupled with a solid More ❯
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:

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:
API Development
10th Percentile
£43,875
25th Percentile
£51,250
Median
£70,000
75th Percentile
£87,500
90th Percentile
£105,625