51 to 75 of 193 API Design Jobs in England

Remote Software Engineer – AI Research & Evaluation (US-based)

Hiring Organisation
Turing
Location
City of London, London, United Kingdom
tools in Python that can verify the quality of code and identify error patterns. Hypothesize on steps in the software engineering cycle (prototyping, architecture design, API design, production implementation, launch, experiments, monitoring, operational maintenance) and evaluate model capabilities on them. Design verification mechanisms that can automatically … building production-grade software. Experience building full-stack applications and deploying scalable software using modern languages and tools. Deep understanding of software architecture, design, development, debugging, and code quality/review assessment. Excellent oral and written communication skills for clear, structured evaluation rationales. Engagement Details: Commitment: flexible engagement, minimum ...

Remote Software Engineer – AI Research & Evaluation (US-based)

Hiring Organisation
Turing
Location
East London, London, United Kingdom
tools in Python that can verify the quality of code and identify error patterns. Hypothesize on steps in the software engineering cycle (prototyping, architecture design, API design, production implementation, launch, experiments, monitoring, operational maintenance) and evaluate model capabilities on them. Design verification mechanisms that can automatically … building production-grade software. Experience building full-stack applications and deploying scalable software using modern languages and tools. Deep understanding of software architecture, design, development, debugging, and code quality/review assessment. Excellent oral and written communication skills for clear, structured evaluation rationales. Engagement Details: Commitment: flexible engagement, minimum ...

Remote Software Engineer – AI Research & Evaluation (US-based)

Hiring Organisation
Turing
Location
Leeds, West Yorkshire, United Kingdom
tools in Python that can verify the quality of code and identify error patterns. Hypothesize on steps in the software engineering cycle (prototyping, architecture design, API design, production implementation, launch, experiments, monitoring, operational maintenance) and evaluate model capabilities on them. Design verification mechanisms that can automatically … building production-grade software. Experience building full-stack applications and deploying scalable software using modern languages and tools. Deep understanding of software architecture, design, development, debugging, and code quality/review assessment. Excellent oral and written communication skills for clear, structured evaluation rationales. Engagement Details: Commitment: flexible engagement, minimum ...

Remote Software Engineer – AI Research & Evaluation (US-based)

Hiring Organisation
Turing
Location
Ashton-Under-Lyne, Greater Manchester, United Kingdom
tools in Python that can verify the quality of code and identify error patterns. Hypothesize on steps in the software engineering cycle (prototyping, architecture design, API design, production implementation, launch, experiments, monitoring, operational maintenance) and evaluate model capabilities on them. Design verification mechanisms that can automatically … building production-grade software. Experience building full-stack applications and deploying scalable software using modern languages and tools. Deep understanding of software architecture, design, development, debugging, and code quality/review assessment. Excellent oral and written communication skills for clear, structured evaluation rationales. Engagement Details: Commitment: flexible engagement, minimum ...

Technical Lead

Hiring Organisation
Formula
Location
London Area, United Kingdom
real scope to shape how the engineering team operates. Responsibilities as a Tech Lead: Own technical direction across the backend monolith, covering architecture decisions, API design, system reliability, and background job performance Drive end-to-end delivery, from scoping and estimation through to execution, managing trade-offs between … professional Ruby on Rails experience in production, with a solid grasp of monolith architecture and full-stack troubleshooting Experience with PostgreSQL, Redis and RESTful API design Comfortable with AWS-based infrastructure and Docker in development or production environments Proven ability to act as a genuine escalation point, with ...

SC Cleared AWS API Technical Architect

Hiring Organisation
Hays
Location
Basingstoke, Hampshire, South East, United Kingdom
Employment Type
Contract, Work From Home
Contract Rate
£500.0 - £565.00 per day + Up to £565 per day Inside IR35
consulting, technology services, and digital transformation, committed to delivering positive change through technology and human collaboration. They are seeking an experienced SC Cleared AWS API Engineer/Architect to design secure, scalable, and well-integrated API and microservices architectures across multiple client applications and services. Key responsibilities … within this role are broadly expected to include: the design of serverless and microservices-based API architectures on AWS. Defining and applying RESTful API design patterns and integration standards. Support system and data integration across distributed services. Assessing and addressing technical debt, recommending pragmatic modernisation approaches. ...

Data Integration Engineer

Hiring Organisation
GlobalLogic
Location
City of London, London, United Kingdom
GlobalLogic, a Hitachi Group Company and a leader in digital engineering. We help brands across the globe design and build innovative products, platforms, and digital experiences for the modern world. By integrating experience design, complex engineering, and data expertise - we help our clients imagine what’s possible … Experience with: Experience with Python for data pipelines, export services, ETL, reconciliation, profiling scripts Data quality assessment Apache Kafka PostgreSQL for data modelling, query design, migrations etc Data modelling and schema design REST API design Ideally you will have: Experience of C# to be able ...

Senior Full Stack Developer (React & C#.NET)

Hiring Organisation
Adecco
Location
London, United Kingdom
Employment Type
Contract
Python (pyspark): Experience with data pipelines and analytics is a plus. Power BI: Familiarity with developing dashboards and data models. Architecture: Knowledge of microservices, API design, and event-driven architectures. DevOps/CI/CD: Experience with Azure DevOps, GitLab, GitHub Actions, or similar tools. Cloud Platforms: Proficient … Azure preferred). Databases: Strong skills in SQL Server, PostgreSQL, or other relational databases. containerisation: Experience with Docker and Kubernetes. Key Responsibilities Design & Develop: Create and maintain full stack applications using React JS and C#.NET Core. Build Services: Develop high-performance backend services and RESTful APIs with a focus ...

Solution Architect (Principal Consultant)

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
transformation and ensuring data is protected and used ethically. Talan UK & Ireland provides a range of consultancy and outsourcing capabilities including programme management, market design and governance. We also have extensive and award-winning capabilities across cyber security, data privacy and digital transformation. We are a Great Place … recruiting an ambitious and technically accomplished Solutions Architect to join our Digital business unit as a Principal Consultant. You will lead the design and delivery of scalable, secure, and cloud-native platforms across Energy (including Low Carbon and UK regulatory systems), Financial Services, Public Sector, and Healthcare domains. This ...

Senior Developer

Hiring Organisation
Reed.co.uk
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£90,000 per annum
venture backed by the strength and stability of an established business. Key Responsibilities End-to-end development of high-quality, scalable SaaS platforms from design through deployment and maintenance. Architect and implement robust backend services primarily using Python and PostgreSQL. Develop and maintain responsive, performant front-end applications with … Provide technical mentorship and leadership to development teams, fostering best practices in coding, testing, and deployment. Participate in code reviews, architecture discussions, and system design decisions. Troubleshoot and resolve complex technical issues across the full stack. Ensure software security, scalability, and performance are maintained at all times. Keep abreast ...

Technical Co-Founder / CTO

Hiring Organisation
BLACKLINE
Location
London, England, United Kingdom
required 3. Backend Intelligence Layer * User profiles + preference memory * Provider availability + scheduling logic * Workflow orchestration (requests → bookings → confirmations) * CRM integration ⸻ Core Responsibilities * Design and build the end-to-end AI concierge system * Select and integrate LLMs, voice models, and orchestration frameworks * Build WhatsApp automation (e.g. via Twilio … architecture that scales without degrading experience ⸻ Technical Requirements You should have strong hands-on experience in: AI/LLM Systems * Prompt engineering + agent design * Tool use/function calling * Memory systems (vector DBs, session memory) * Multi-step workflow orchestration Voice Systems * Real-time speech pipelines (STT/ ...

AWS Solution Architect - Senior Manager

Hiring Organisation
Anson Mccade
Location
Central London, London, United Kingdom
Employment Type
Permanent
high-performing cloud practice. This is an opportunity to work at the forefront of cloud transformation, partnering with tier-one clients across industries to design and deliver innovative, scalable, and secure AWS solutions. You'll play a pivotal role in shaping enterprise cloud strategies while leading complex transformation programmes. … strategy Certifications & Education AWS Certification (Associate or Professional - e.g. Solutions Architect, DevOps Engineer) Degree in Computer Science, Engineering, or related discipline Technical Expertise Architecture & Design Translating business needs into scalable cloud architectures Cost optimisation and cloud best practices Data & AI Experience with data platforms, analytics, and AI/ ...

Full Stack Java Developer

Hiring Organisation
Brio Digital
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£500/hour
looking for an experienced Senior Java Developer to join a high-performing engineering team. You will take a lead role in the design and delivery of complex, enterprise-scale solutions, bringing strong Java, AWS, and API expertise to a programme that is making a real difference to patient … care across the country. KEY RESPONSIBILITIES Lead the design and development of robust, scalable Java-based applications across the programme Build and maintain cloud-native solutions on AWS, applying well-architected principles throughout Design, develop, and test REST APIs to a high standard, ensuring performance, reliability, and security ...

Senior Full Stack Engineer (AWS Microservices & Integrations)

Hiring Organisation
Narwhal Labs
Location
City Of Bristol, England, United Kingdom
SaaS product at scale. This is an office-based role and candidates must be located in or within commutable distance of Bristol. Responsibilities: Design and build microservices behind API Gateway (REST/HTTP), running on Lambda and containerised workloads on EC2/Fargate Model multi-tenant data across … DynamoDB and RDS (PostgreSQL), using S3 for object storage and KMS for secrets and encryption Build and maintain an integrations layer including OAuth/API-key onboarding, webhook ingestion with idempotency, retries and DLQs, rate-limit mediation, circuit breakers and versioned connector contracts Integrate with third-party platforms ...

AWS Solution Architect - Integration Specialist

Hiring Organisation
Anson Mccade
Location
East London, London, United Kingdom
Employment Type
Permanent
Salary
£75,000
focused on designing and delivering modern, cloud-native integration solutions across complex enterprise environments. You'll work across the full lifecycle - from architecture and design through to implementation - leveraging AWS services and best practices to build scalable, secure, and high-performing systems. You'll collaborate closely with clients … include: Designing and implementing AWS-based integration solutions using serverless, microservices, and containerised architectures Building scalable and resilient applications using services such as Lambda, API Gateway, and Kubernetes (EKS) Developing and managing CI/CD pipelines and automation frameworks Applying cloud security best practices, including IAM, encryption, and compliance ...

Tech Lead - Application Engineering Java/Adobe/Marketing

Hiring Organisation
Hays
Location
Manchester, North West, United Kingdom
Employment Type
Permanent
. You will be responsible for:- Providing expert level technical direction for complex MarTech projects involving AEM, AEP, Adobe Target, and related integrations. Leading design, development, and implementation efforts across multiple platforms. Leading services and direction, providing technical expertise and completing complex development, design, implementation, architecture design … following skills, then LETS TALK! Full stack development background with Java, JavaScript, HTML, CSS, SQL and modern frameworks Familiarity with microservice architecture, API design, and integration patterns Knowledge of AWS services and cloud-based deployment models Strong understanding of CI/CD pipelines (GitHub), OOP/SOLID, Agile ...

Tech Lead - Application Engineering MarTech

Hiring Organisation
Hays
Location
Manchester, North West, United Kingdom
Employment Type
Permanent
. You will be responsible for:- Providing expert level technical direction for complex MarTech projects involving AEM, AEP, Adobe Target, and related integrations. Leading design, development, and implementation efforts across multiple platforms. Leading services and direction, providing technical expertise and completing complex development, design, implementation, architecture design … following skills, then LETS TALK! Full stack development background with Java, JavaScript, HTML, CSS, SQL and modern frameworks Familiarity with microservice architecture, API design, and integration patterns Knowledge of AWS services and cloud-based deployment models Strong understanding of CI/CD pipelines (GitHub), OOP/SOLID, Agile ...

Senior Full Stack Engineer

Hiring Organisation
Prolo
Location
City of London, London, United Kingdom
PostgreSQL, complex data modelling AI/ML : OpenAI integration, semantic search, conversational agents, unstructured data analysis and extraction Infrastructure : AWS (Lambda, ECS/EKS, API Gateway, S3) DevOps : Terraform, GitHub Actions, Helm, Infrastructure-as-Code Data Science : Graph analytics, data pipelines, ETL workflows, Jupyter notebooks Required Qualifications Software Development … understanding of async programming Experience with Poetry or similar Python dependency management tools Experience building RESTful APIs and micro-services Solid understanding of database design and optimisation (both SQL and NoSQL) Experience with graph databases (Neo4j preferred) or willingness to learn quickly Knowledge of event-driven architectures and message ...

Software Engineer-AEM

Hiring Organisation
eTeam
Location
Manchester Area, United Kingdom
applications. In this role you will • Provide expert level technical direction for complex MarTech projects involving AEM, AEP, Adobe Target, and related integrations. • Lead design, development, and implementation efforts across multiple platforms. Lead services and direction, provides technical expertise and completes complex development, design, implementation, architecture design … training and experience although a graduate degree is preferred • Experience with Java, JavaScript, HTML, CSS, SQL and modern frameworks • Familiarity with microservice architecture, API design, and integration patterns • Knowledge of AWS services and cloud-based deployment models • Strong understanding of CI/CD pipelines (GitHub), OOP/SOLID ...

Software Engineer

Hiring Organisation
Addition
Location
Milton Keynes, Buckinghamshire, England, United Kingdom
Employment Type
Full-Time
Salary
Salary negotiable
participate in redesigning our core products, working across greenfield and legacy solutions. Your expertise will influence every stage of the product lifecycle—from initial design to deployment, ensuring we meet the evolving needs of our customers with innovative, reliable software. Required Skills: Strong experience in C# and .Net Core … development Proficiency with Web API design and development Solid understanding of REST principles and SOLID design patterns Hands-on experience with Docker, Kubernetes, and cloud platforms such as AWS or Azure Familiarity with Typescript and React (desirable) Knowledge of SQL and NoSQL databases Experience with TDD, Agile ...

Senior FullStack Developer

Hiring Organisation
Adecco
Location
City of London, London, United Kingdom
Employment Type
Contract
Contract Rate
£600 - £650/day
with CI/CD , microservices , and event-driven architectures is essential, and knowledge of Python (pyspark) for data-driven workflows is advantageous Key Responsibilities Design, develop, and maintain full stack applications using React JS , C#.NET Core , and supporting technologies. Build high-performance backend services, RESTful APIs, and microservices with … calculations, and enterprise-grade BI solutions. Strong understanding of data modeling, performance tuning, and governance in Power BI. Architecture: Strong knowledge of microservices , API design , event-driven architectures , and distributed systems. DevOps/CI/CD: Experience with Azure DevOps, Gitlab, GitHub Actions, or similar. Strong understanding ...

Senior FullStack Developer

Hiring Organisation
Adecco
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£600 - £650 per day
with CI/CD , microservices , and event-driven architectures is essential, and knowledge of Python (pyspark) for data-driven workflows is advantageous Key Responsibilities Design, develop, and maintain full stack applications using React JS , C#.NET Core , and supporting technologies. Build high-performance backend services, RESTful APIs, and microservices with … calculations, and enterprise-grade BI solutions. Strong understanding of data modeling, performance tuning, and governance in Power BI. Architecture: Strong knowledge of microservices , API design , event-driven architectures , and distributed systems. DevOps/CI/CD: Experience with Azure DevOps, Gitlab, GitHub Actions, or similar. Strong understanding ...

Full Stack Engineer

Hiring Organisation
Prolo
Location
City of London, London, United Kingdom
PostgreSQL, complex data modelling AI/ML : OpenAI integration, semantic search, conversational agents, unstructured data analysis and extraction Infrastructure : AWS (Lambda, ECS/EKS, API Gateway, S3) DevOps : Terraform, GitHub Actions, Helm, Infrastructure-as-Code Data Science : Graph analytics, data pipelines, ETL workflows, Jupyter notebooks Required Qualifications Software Development … understanding of async programming Experience with Poetry or similar Python dependency management tools Experience building RESTful APIs and micro-services Solid understanding of database design and optimisation (both SQL and NoSQL) Experience with graph databases (Neo4j preferred) or willingness to learn quickly Knowledge of event-driven architectures and message ...

Solutions Architect

Hiring Organisation
Euro Car Parks
Location
Central London, London, United Kingdom
Employment Type
Permanent
Ireland providing specialist services to a wide range of blue-chip clients. The role We are seeking technical polyglots who enjoy both technical architectural design, hands-on coding and peer reviews, though also like the idea of the equally important social/client-facing aspect of the role. … development architecture as well as supporting business analysts and product owners in planning and story-mapping for new development. You will act as technical design authority (TDA) for delivery of technical stories and produce technical documentation artefacts to support the delivery process. Main Responsibilities Duties will include: The design ...

Java Software Engineer

Hiring Organisation
Information Tech Consultants
Location
England, United Kingdom
agile squad, responsible for the end-to-end delivery of scalable web applications. What You’ll Do (Responsibilities) End-to-End Development: Design and develop high-volume, low-latency applications for mission-critical systems. Back-End Excellence: Write clean, maintainable code using Java and the Spring Boot ecosystem. Front … Innovation: Build responsive, user-friendly UI components using React, Angular, or Vue.js . Database Management: Design and optimize schemas for relational ( PostgreSQL/MySQL ) and NoSQL databases. API Design: Build and consume secure RESTful APIs to integrate with internal and third-party services. Collaboration: Participate in code ...