18 of 18 Permanent Swagger Jobs in London

Senior C# .Net Developer

Hiring Organisation
Advanced Resource Managers Limited
Location
London, South East England, United Kingdom
Employment Type
Full-Time
Salary
£500.00 per day
.NET Core/.NET 8 | ASP.NET Core | REST APIs | SQL Server | Entity Framework | Azure | Azure DevOps | Git | Docker | Kubernetes | Kafka | Redis | JSON/XML | Swagger/OpenAPI Disclaimer: This vacancy is being advertised by either Advanced Resource Managers Limited, Advanced Resource Managers IT Limited or Advanced Resource Managers Engineering ...

Software Engineer

Location
London, United Kingdom
within your team Required experience Core Software Engineering such as: JavaScript frameworks (React, NextJS), TypeScript, Python or Java REST API development/OpenAPI/Swagger Cloud services (AWS or Azure) Containerisation & Orchestration (Docker, Kubernetes, OpenShift) Infrastructure as Code (Terraform, Ansible) Relational Databases (e.g. PostgreSQL) Elasticsearch/Opensearch Unit testing ...

Senior Solutions Engineer

Location
London, United Kingdom
driven architecture (EDA), and microservices architecture. Familiarity with Java (Spring), Kubernetes, AWS, and service mesh architectures and technologies such as RESTful APIs, API design, Swagger, OpenAPI, and OAuth2. Familiarity and working experience with relational databases (e.g.MySQL, PostgreSQL) and non-relational databases (e.g., MongoDB, Cassandra). 6+ years in customer ...

Senior Solutions Engineer

Hiring Organisation
Hackajob Ltd
Location
Westminster, Greater London, UK
driven architecture (EDA), and microservices architecture. Familiarity with Java (Spring), Kubernetes, AWS, and service mesh architectures and technologies such as RESTful APIs, API design, Swagger, OpenAPI, and OAuth2. Familiarity and working experience with relational databases (e.g.MySQL, PostgreSQL) and non-relational databases (e.g., MongoDB, Cassandra). 6+ years in customer ...

Senior Software Developer - Wise Platform

Hiring Organisation
Wise
Location
London, UK
Employment Type
Full-time
microservices patterns. You think in terms of domain boundaries, aggregates, and service responsibilities. Experience designing and maintaining RESTful APIs commercially. Comfort with OpenAPI/Swagger, OAuth2, and versioning strategies. Ability to design and maintain relational databases (MySQL, PostgreSQL), including query performance, indexing, and data modelling. You enjoy mapping complex ...

Senior Solutions Engineer

Hiring Organisation
Hackajob Ltd
Location
South West London, London, United Kingdom
Employment Type
Permanent
event-driven architecture (EDA), and microservices architecture. Familiarity withJava (Spring), Kubernetes, AWS, and service mesh architectures and technologies such as RESTful APIs, API design, Swagger, OpenAPI, and OAuth2. Familiarity and working experience with relational databases (e.g.MySQL, PostgreSQL) and non-relational databases (e.g., MongoDB, Cassandra). 6+ years in customer ...

C# Developer - Equity Derivatives Technology Risk (AVP)

Hiring Organisation
Citigroup
Location
London, England, United Kingdom
5+Understanding of .Net performance analysis and optimization approaches.Write comprehensive unit tests utilizing frameworks like NUnit, xUnit, Shouldly, or equivalents.Familiarity with web technologies OpenAI/Swagger, REST, Authentication, TLSDemonstrable experience or familiarity with high volume, low latency, highly available financial systems, trading platforms, or financial data processing.Broad technical experience with ...

Senior Java Developer

Hiring Organisation
Intelligent Steps
Location
London, United Kingdom
Employment Type
Permanent
Salary
£85000 - £95000/annum 10% Bonus
The role We are looking for a Senior Java Developer to help design and deliver a platform built around Java microservices. You will take ownership of backend services, contribute to architecture decisions and work closely ...

Integration Architect

Hiring Organisation
Hackajob Ltd
Location
South West London, London, United Kingdom
Employment Type
Permanent, Work From Home
/API specifications . Design and govern enterprise APIs using Azure API Management (APIM) . Define API design and governance standards, including OpenAPI/Swagger, versioning, schema management and API lifecycle management . Design APIM Products, subscriptions, throttling and consumption models for internal and external consumers. Establish reusable … Event Grid | Logic Apps | Azure Functions | OAuth2 | OIDC | JWT | Entra ID | Key Vault | Terraform | Bicep | Azure DevOps | CI/CD | APIOps | OpenAPI/Swagger | Azure Monitor | Application Insights Additional Information Why our client? We believe in providing our employees with a comprehensive benefits package that prioritises their wellbeing, professional ...

Senior Technical Architect - Custody & Securities Services

Hiring Organisation
Adecco
Location
London, South East England, United Kingdom
Employment Type
Full-Time
Salary
£750.00 - £850.00 per day
Senior Technical Architect - Custody & Securities Services Location: Canary Wharf, London (3 days onsite/2 days remote) Contract: 12 Months Rate: Up to £850 per day Inside IR35 (via Umbrella) The Opportunity We are seeking ...

Senior .Net Developer

Hiring Organisation
Ascend Consulting
Location
NW7, Mill Hill, Greater London, United Kingdom
Employment Type
Permanent
Salary
£50000 - £85000/annum
should have strong skills in RESTful API development, database optimization, and Azure DevOps pipeline management. Knowledge of API security, CI/CD automation, and Swagger documentation is recommended. Responsibilities API Development : Build and maintain RESTful APIs in VB.NET and C#, integrating with SQL Server and SAP Business One backend … development methodologies What Would Be Good to Have Experience setting up and managing Azure DevOps pipelines for CI/CD automation Good familiarity with Swagger for API documentation SAP Business One or similar accounting system experience Hands-on experience with SAP backend table integration via APIs Knowledge of Azure ...

Senior Software Engineer - Wise Platform - API Experience

Hiring Organisation
Wise
Location
London, UK
Employment Type
Full-time
backend services using Java, Spring Boot, Kafka, and PostgreSQL within an event-driven, microservices architecture. API Product Ownership: Set API standards (RESTful, OpenAPI/Swagger, OAuth2) and build developer-friendly tools, SDKs, and reference implementations to reduce integration complexity for major partners. Technical Leadership & Mentorship: Champion engineering best practices … office. QualificationsWhat You Need to SucceedPublic API Experience: Proven track record of designing, building, and maintaining production-grade public APIs (RESTful APIs, OpenAPI/Swagger, OAuth2).Core Backend Stack: Extensive experience with Java and Spring Boot for building resilient backend microservices. Distributed Systems & Data: Hands-on experience with event ...

Senior Software Engineer - Wise Platform - API Experience

Hiring Organisation
Wise
Location
Greater London, United Kingdom
Employment Type
Full Time
Salary
87500 to 111000 GBP Annually
backend services using Java, Spring Boot, Kafka, and PostgreSQL within an event-driven, microservices architecture. API Product Ownership: Set API standards (RESTful, OpenAPI/Swagger, OAuth2) and build developer-friendly tools, SDKs, and reference implementations to reduce integration complexity for major partners. Technical Leadership & Mentorship: Champion engineering best practices … What You Need to Succeed Public API Experience: Proven track record of designing, building, and maintaining production-grade public APIs (RESTful APIs, OpenAPI/Swagger, OAuth2). Core Backend Stack: Extensive experience with Java and Spring Boot for building resilient backend microservices. Distributed Systems & Data: Hands-on experience with ...

Senior AI Engineer / Data Scientist

Hiring Organisation
EPAM Systems
Location
London, UK
Employment Type
Full-time
Location: London; UKWork type: HybridSeniority: SeniorPrimary skill: Data SciencePosted: 2026-09-29We're looking for a Senior AI Engineer/Data Scientist to join our team in London, United Kingdom, in a hybrid working ...

Fullstack Engineer

Hiring Organisation
Oscar
Location
London, UK
Employment Type
Full-time
Full Stack Engineer | Central London (3 days onsite)Our client is an AI work-execution platform built for alternative investment firms and their portfolio companies. It securely brings together proprietary data, external sources and workflows ...

Fullstack Engineer

Hiring Organisation
Oscar Technology
Location
London, South East England, United Kingdom
Employment Type
Full-Time
Salary
£70,000 - £100,000 per annum
Full Stack Engineer | Central London (3 days onsite) Our client is an AI work-execution platform built for alternative investment firms and their portfolio companies. It securely brings together proprietary data, external sources and workflows ...

Front End Engineer / React Developer

Hiring Organisation
Hays
Location
London, England, United Kingdom
Front End Engineer/React Developer Rate: £550 INSIDE Location: Telford Working arrangement: Minimum 2 days on-site per week Contract length: 6 months, potentially up to 12 months Clearance: BPSS Sector: Government/Public ...

AI Engineer

Hiring Organisation
Picture More
Location
London, South East England, United Kingdom
Employment Type
Full-Time
Salary
£80,000 - £90,000 per annum
AI Engineer Salary: £80,000 to £90,000 per annum Contract: 12-month Fixed-Term Contract (FTC) Working Pattern: Hybrid working Are you an experienced AI Engineer looking to shape how a leading London law ...