14 of 14 API Design Jobs in Central London

Senior Backend Engineer

Hiring Organisation
Reelables
Location
City of London, London, United Kingdom
data streams, ensures millisecond latency for global supply chains, and scales seamlessly as we grow from millions to billions of tracking events. Think API performance and data processing efficiency meets cutting-edge innovation. You'll be designing highly performant and distributed services that ingest and process location and temperature … breakthrough technology is already transforming how companies track and manage their shipments globally, and we're just getting started. Responsibilities Core Service Architecture & Scale Design, develop, and maintain highly scalable back-end services that handle millions of concurrent data ingestion events and user requests. Architect and optimize data processing ...

Data Analyst

Hiring Organisation
Computappoint
Location
City of London, London, England, United Kingdom
Employment Type
Full-Time
Salary
Salary negotiable
technically proficient Data Analyst to join the IT Department within the Strategy & Architecture Team. This role will have a strong focus on API design and integrations between systems. This role is critical in enabling data-driven decision-making and ensuring seamless data exchange across internal systems and external … platforms. Key Responsibilities Analyse and interpret complex datasets to support IT operations and strategic initiatives. Design, document, and maintain APIs that facilitate secure and efficient integration of data between systems. Create data dictionaries that describe data structures, elements, their meanings, and relationships within a dataset or database. Create Business ...

Senior Backend Engineer (Telco Integration Lead) Golang

Hiring Organisation
Ventula Consulting Limited
Location
City of London, London, United Kingdom
Employment Type
Permanent, Work From Home
seeking a foundational engineer to own our single greatest strategic asset: our unique, privileged access to network-level intelligence via the GSMA CAMARA API standard. This is our right to win, and you will be the engineer responsible for building the bridge to it. You will be the Critical … build the Security Signal Ingestion path, the secure, low-latency, and out-of-band data channel connecting to our founding members' network API gateways. ? Architect and implement a carrier-agnostic, vendor-agnostic connector layer to consume RESTful APIs from a heterogeneous global landscape of telco partners and IMS vendors ...

Solutions Architect - 2 Days Either London or Peterborough/Rest Remote

Hiring Organisation
ZENZO DIGITAL LTD
Location
City of London, London, United Kingdom
Employment Type
Permanent
Salary
£85,000
tech and designing new. Some of their core and long-standing solutions will be completely replaced to modern architecture and technology. Experience Seeking: Solution design for data engineering and software engineering projects Experience of workflows, orchestrations and data/system integration DevOps and end to end data pipeline Prior … scripting Previous .Net Development experience nice to have Previously designed solutions to move solutions from on-premise to Cloud AI and Machine Learning understanding Design Patterns Data Fabric, Snowflake or other Kubernetes and API Design' Exposure to Technical Design Authority and Governance Team Lead experience Agile ...

Staff Software Engineer (Golang)

Hiring Organisation
Oliver Bernard
Location
City of London, London, United Kingdom
from scratch and creating platforms like Kafka. Being hands-on within a team delivering projects and solving tough tech problems. What You’ll Do Design and implement robust, scalable microservices and APIs in Go Lead the technical design of distributed data systems supporting research and clinical workflows Collaborate … distributed systems , data-intensive applications , and microservices architectures Experience with cloud environments (AWS, GCP, or Azure) and container orchestration (Kubernetes, Docker) Solid background in API design , data streaming , and event-driven architectures (Kafka, NATS, RabbitMQ) Proven leadership in technical design and mentoring Strong collaboration and communication skills ...

Artificial Intelligence Engineer

Hiring Organisation
SR2 | Socially Responsible Recruitment | Certified B Corporation™
Location
City of London, London, United Kingdom
communication tools) with large language models — creating intelligent tools and insights that enhance the way teams operate. What You’ll Do Lead the design, architecture, and implementation of internal AI/ML systems for business intelligence. Build robust APIs, microservices, and data pipelines to power intelligent, data-driven tools. … other backend language (TypeScript or Java preferred). Proven experience with AWS , containerisation, and infrastructure as code (Terraform, Docker). Solid understanding of API design, data modelling, and microservice architecture. Excellent communication skills, with the ability to translate technical outcomes into business impact. Tech Environment Languages: Python, TypeScript ...

Full-Stack Software Developer

Hiring Organisation
Sanderson Government and Defence
Location
City of London, London, United Kingdom
Employment Type
Contract
Contract Rate
Up to £520 per day
/17+) Deep Spring Boot & microservices experience Strong AWS skills (EC2, S3, Lambda, IAM) Kafka/event-driven systems SQL optimisation REST/JSON API design Docker proficiency Excellent communication skills Nice to Have JavaScript/React Aurora/RDS If you're proactive, outcomes-driven, and thrive ...

AI Platform Engineer

Hiring Organisation
The Portfolio Group
Location
City of London, London, England, United Kingdom
Employment Type
Full-Time
Salary
Competitive salary
owning the cloud-native platform that underpins conversational AI and generative AI products at scale. Sitting at the core of AI delivery, you will design, build, and operate the runtime, infrastructure, and operational layers supporting RAG pipelines, LLM orchestration, vector search, and evaluation workflows across AWS and Databricks. Working … platform powering conversational assistants and generative AI products. Build, operate, and optimise RAG and LLM-backed services, improving latency, reliability, and cost. Design and run cloud-native AI services across AWS and Databricks, including ingestion and embedding pipelines. Scale and operate vector search infrastructure (Weaviate, OpenSearch, Algolia, AWS Bedrock ...

Senior Software Engineer

Hiring Organisation
Stott and May
Location
City of London, London, United Kingdom
onsite) Salary: Up to £80k DOE Type: Perm Job Description We are looking for a passionate Senior Java Engineer in London to lead the design and development of core product features and services that power an app used by thousands of travellers on a daily basis. As a Senior … impactful product features Ensure the quality of the features you built, follow-up on usage/issues post release. Work closely with product and design team to deliver new features that align with the needs of the business Provide technical leadership and mentoring to other engineers on the team ...

Senior Java Software Engineer

Hiring Organisation
Stott and May
Location
City of London, London, United Kingdom
onsite) Salary: Up to £80k DOE Type: Perm Job Description We are looking for a passionate Senior Java Engineer in London to lead the design and development of core product features and services that power an app used by thousands of travellers on a daily basis. As a Senior … impactful product features Ensure the quality of the features you built, follow-up on usage/issues post release. Work closely with product and design team to deliver new features that align with the needs of the business Provide technical leadership and mentoring to other engineers on the team ...

Data Engineer

Hiring Organisation
Morson Edge (Technology)
Location
City of London, London, United Kingdom
looking for a Data Engineer who will design and implement customer data solutions that enable personalised experiences while ensuring privacy, quality, and accessibility of customer information across all touchpoints. Length: 12 months Location: London, UK Environment: Hybrid - 2-3 days in the office Key responsibilities: Leading engineering decisions … marketing and engagement platforms What is required to be successful in this role: Deep expertise in data engineering, including real-time data processing, API design and distributed systems Strong proficiency with cloud platforms (e.g. AWS, GCP, Azure), infrastructure-as-code, and scalable architecture patterns Hands-on experience with ...

Technical Architect

Hiring Organisation
Venturi
Location
City of London, London, United Kingdom
South London Inside IR35 £600-650 per day We are looking for an experienced Technical Architect with a strong background in application and API architecture to support a major programme within a secure environment. This role requires proven experience across large-scale delivery, multi-cloud technologies, and senior stakeholder … engagement. Key Requirements Active SC Clearance (mandatory) Strong experience in application architecture and API design/integration Commercial experience in an AWS environment , with exposure to Azure components Background working on large, complex projects Experience supporting or leading procurement activities Strong communication and presentation skills Proven track record ...

Senior Developer

Hiring Organisation
Reed
Location
Holborn, London, England, United Kingdom
Employment Type
Full-Time
Salary
£70,000 - £80,000 per annum, Inc benefits
commercial software development experience. Proven success in high-performing engineering teams within fast-paced environments. Deep expertise in: Python (Django, Flask, or FastAPI) PostgreSQL (design, optimisation, maintenance) Containerisation (Docker/Kubernetes) Event-driven architecture (Kafka/RabbitMQ) Desirable experience includes: TypeScript/JavaScript (NextJS, NodeJS, Tailwind) Terraform and DevOps … practices Experience in building and scaling SaaS platforms in production. Strong background in software architecture, microservices, and API design. Hands-on experience with AWS platform. Excellent communication skills, capable of motivating and aligning technical teams. Experience with AI tools, APIs, or ML pipelines is highly desirable. Bonus: Exposure ...

Senior Full Stack Engineer

Hiring Organisation
McGregor Boyall Associates Limited
Location
City of London, London, United Kingdom
Employment Type
Permanent, Work From Home
leading global investment management firm in London. Paying up to 120k plus bonus per annum, you will contribute to the development, optimisation, and design of front-office applications, collaborating with portfolio managers and product owners to create innovative and high-performance solutions. As a Senior Full Stack Software Engineer …/UX. Proven backend expertise, particularly with Java (Python, Node.js a plus), and experience building distributed microservices-based architectures. Strong knowledge of system design principles, scalable architecture patterns, and API design. Hands-on experience with relational (Postgres, MySQL) and NoSQL (DynamoDB) databases. Proficiency in cloud platforms (AWS, Azure ...