WebSockets Job Vacancies

26 to 50 of 90 WebSockets Jobs

Frontend Developer React

London, South East, England, United Kingdom
Hybrid / WFH Options
Harnham - Data & Analytics Recruitment
high-quality software. Strong communication skills and a collaborative mindset. Bonus skills: Data visualisation (e.g., D3.js ) or scientific visualisation experience. Mapping tools (e.g., MapBox ) or real-time applications (e.g., WebSockets). Package & Benefits: Salary up to £75,000 . Hybrid working - London office twice per week . A supportive, innovative, and collaborative culture. Career development support through training and mentoring. More ❯
Employment Type: Full-Time
Salary: £70,000 - £75,000 per annum
Posted:

Senior BackEnd Developer - Cyber (Contract)

Ledbury, Herefordshire, United Kingdom
Methods Business and Digital Technology
. Methods Business and Digital Technology Limited Methods is a £100M+ IT Services Consultancy who has partnered with a range of central government departments and agencies to transform the way the public sector operates in the UK. Established over 30 More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Senior BackEnd Developer - Cyber

United Kingdom
Methods Business and Digital Technology Ltd
. Methods Business and Digital Technology Limited Methods is a £100M+ IT Services Consultancy who has partnered with a range of central government departments and agencies to transform the way the public sector operates in the UK. Established over 30 More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Python Engineer

United Kingdom
Nixor
Docker, Terraform and wider DevOps elements. Team players who bring enthusiasm and curiosity, it's more about drive than years of experience. Nice to have: Experience with live streaming, websockets, Celery . Experience w/FastAPI. Terraform/Infrastructure as Code knowledge. CI/CD pipeline experience. Details: UK remote, with an optional office hub in London. Open to strong More ❯
Posted:

React Frontend Engineer - grok.com & API (London)

London, United Kingdom
Hybrid / WFH Options
Pantera Capital
of best practices regarding performance, accessibility, and frontend security. Additionally, any of the following qualifications may help a candidate stand out: Experience in advanced web technologies such as WebGL, WebSockets, WebAssembly, web workers, and PWAs, Experience in UI and UX design, Experience in implementing sophisticated CSS animations. Experience with Kubernetes. Location We hire engineers in London and in Palo Alto. More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Frontend Engineer - Enterprise Agent (London)

London, United Kingdom
Pantera Capital
of best practices regarding performance, accessibility, and frontend security. Additionally, any of the following qualifications may help a candidate stand out: Experience in advanced web technologies such as WebGL, WebSockets, WebAssembly, web workers, and PWAs, Experience in UI and UX design, Experience in implementing sophisticated CSS animations Experience with Kubernetes Track record of delivering user-facing software at scale. Interview More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Technical Lead (Mobile - Flutter)

Greater London, England, United Kingdom
TEG Logistics Technology
Android or iOS) with 3+ years of commercial experience Expert in Flutter architecture, state management, widget testing, and store deployment workflows Experience with REST APIs, real-time communication (e.g., WebSockets), and microservices integration Strong cloud infrastructure knowledge—Firebase and AWS Solid understanding of relational and NoSQL databases Proficient in TDD (and familiar with BDD) within Flutter environments Experienced with tools More ❯
Posted:

Technical Lead (Mobile - Flutter)

london, south east england, united kingdom
TEG Logistics Technology
Android or iOS) with 3+ years of commercial experience Expert in Flutter architecture, state management, widget testing, and store deployment workflows Experience with REST APIs, real-time communication (e.g., WebSockets), and microservices integration Strong cloud infrastructure knowledge—Firebase and AWS Solid understanding of relational and NoSQL databases Proficient in TDD (and familiar with BDD) within Flutter environments Experienced with tools More ❯
Posted:

Technical Lead (Mobile - Flutter)

slough, south east england, united kingdom
TEG Logistics Technology
Android or iOS) with 3+ years of commercial experience Expert in Flutter architecture, state management, widget testing, and store deployment workflows Experience with REST APIs, real-time communication (e.g., WebSockets), and microservices integration Strong cloud infrastructure knowledge—Firebase and AWS Solid understanding of relational and NoSQL databases Proficient in TDD (and familiar with BDD) within Flutter environments Experienced with tools More ❯
Posted:

Software Engineer, Typescript & Nest.js (m/f/d) (Trust Vault)

Wien, Austria
Hybrid / WFH Options
Bitpanda GmbH
and DeFi innovation. Profil Solid knowledge of TypeScript and hands-on experience building APIs with a focus on clean, maintainable code. Familiar with relational or NoSQL databases, API design, websockets, and network communication. Comfortable working with event-driven architectures, Node.js, AWS services, serverless (Lambdas), and Infrastructure-as-Code (CDK/Terraform). Curious and proactive - you're excited to learn More ❯
Employment Type: Permanent
Salary: EUR Annual
Posted:

Rust Developer

london, south east england, united kingdom
G-20 Group
Proficiency in Rust and Python. C++ is a bonus. Proficiency in Unix based systems. Experience withcloud-based platforms (e.g. AWS). Experience with real-time data messaging (e.g. Redis, websockets). Experience with deployment and monitoring tools, e.g. supervisor, dockers, Grafana, Nagios, etc. Excellent problem-solving skills and attention to detail. Preferred/Desirable Experience Experience in the finance or More ❯
Posted:

Rust Developer

East London, London, United Kingdom
G-20 Group
Rust and Python . C++ is a bonus. Proficiency in Unix based systems. Experience with cloud-based platforms ( e.g. AWS). Experience with real-time data messaging ( e.g. Redis, websockets ). Experience with deployment and monitoring tools, e.g. supervisor, dockers, Grafana, Nagios, etc. Excellent problem-solving skills and attention to detail. Preferred/Desirable Experience Experience in the finance or More ❯
Employment Type: Permanent
Posted:

Rust Developer

slough, south east england, united kingdom
G-20 Group
Proficiency in Rust and Python. C++ is a bonus. Proficiency in Unix based systems. Experience withcloud-based platforms (e.g. AWS). Experience with real-time data messaging (e.g. Redis, websockets). Experience with deployment and monitoring tools, e.g. supervisor, dockers, Grafana, Nagios, etc. Excellent problem-solving skills and attention to detail. Preferred/Desirable Experience Experience in the finance or More ❯
Posted:

Rust Developer

London, UK
G-20 Group
Rust and Python . C++ is a bonus. Proficiency in Unix based systems. Experience with cloud-based platforms ( e.g. AWS). Experience with real-time data messaging ( e.g. Redis, websockets ). Experience with deployment and monitoring tools, e.g. supervisor, dockers, Grafana, Nagios, etc. Excellent problem-solving skills and attention to detail. Preferred/Desirable Experience Experience in the finance or More ❯
Employment Type: Full-time
Posted:

Back End Developer -8-10 years experience

Greater London, England, United Kingdom
YEO Messaging
Express.js. ● Design, implement, and optimize SQL (PostgreSQL) and NoSQL (MongoDB) databases. ● Utilize Prisma ORM for efficient database interactions. ● Develop and optimize RESTful APIs and GraphQL APIs (Apollo). ● Implement WebSockets for real-time communication. ● Ensure API security using JWT, OAuth, and other authentication mechanisms. ● Perform unit testing with Jest or Mocha and API testing with Postman. ● Implement caching and messaging … Core Backend Technologies: ● Node.js with TypeScript ● Frameworks: Nest.js, Express.js Databases: ● SQL: PostgreSQL ● NoSQL: MongoDB ● ORM: Prisma ● Caching & Messaging: Redis (Pub/Sub) API Development: ● RESTful APIs ● GraphQL APIs (Apollo) ● WebSockets Security & Authentication: ● API security best practices ● Authentication systems: JWT, OAuth Testing & Debugging: ● Unit testing: Jest, Mocha ● API testing: Postman Cloud & DevOps: ● Cloud Platforms: AWS, GCP, Azure ● CI/CD Pipelines More ❯
Posted:

Back End Developer -8-10 years experience

london, south east england, united kingdom
YEO Messaging
Express.js. ● Design, implement, and optimize SQL (PostgreSQL) and NoSQL (MongoDB) databases. ● Utilize Prisma ORM for efficient database interactions. ● Develop and optimize RESTful APIs and GraphQL APIs (Apollo). ● Implement WebSockets for real-time communication. ● Ensure API security using JWT, OAuth, and other authentication mechanisms. ● Perform unit testing with Jest or Mocha and API testing with Postman. ● Implement caching and messaging … Core Backend Technologies: ● Node.js with TypeScript ● Frameworks: Nest.js, Express.js Databases: ● SQL: PostgreSQL ● NoSQL: MongoDB ● ORM: Prisma ● Caching & Messaging: Redis (Pub/Sub) API Development: ● RESTful APIs ● GraphQL APIs (Apollo) ● WebSockets Security & Authentication: ● API security best practices ● Authentication systems: JWT, OAuth Testing & Debugging: ● Unit testing: Jest, Mocha ● API testing: Postman Cloud & DevOps: ● Cloud Platforms: AWS, GCP, Azure ● CI/CD Pipelines More ❯
Posted:

Back End Developer -8-10 years experience

slough, south east england, united kingdom
YEO Messaging
Express.js. ● Design, implement, and optimize SQL (PostgreSQL) and NoSQL (MongoDB) databases. ● Utilize Prisma ORM for efficient database interactions. ● Develop and optimize RESTful APIs and GraphQL APIs (Apollo). ● Implement WebSockets for real-time communication. ● Ensure API security using JWT, OAuth, and other authentication mechanisms. ● Perform unit testing with Jest or Mocha and API testing with Postman. ● Implement caching and messaging … Core Backend Technologies: ● Node.js with TypeScript ● Frameworks: Nest.js, Express.js Databases: ● SQL: PostgreSQL ● NoSQL: MongoDB ● ORM: Prisma ● Caching & Messaging: Redis (Pub/Sub) API Development: ● RESTful APIs ● GraphQL APIs (Apollo) ● WebSockets Security & Authentication: ● API security best practices ● Authentication systems: JWT, OAuth Testing & Debugging: ● Unit testing: Jest, Mocha ● API testing: Postman Cloud & DevOps: ● Cloud Platforms: AWS, GCP, Azure ● CI/CD Pipelines More ❯
Posted:

Full Stack Software Engineer with Security Clearance

Sarasota, Florida, United States
Ed Wallach Search Group
Understands what a CI/CD pipeline is • Understands what Kubernetes is • Understands what an ETL pipeline is • Understands databases and SQL • Understands what RESTful interfaces are • Understands what websockets are • TS/SCI active clearance required. U.S. Citizenship required Nice to have, but not required: • Creating and editing Helm charts • Deploying and working with Argo CD and Argo Workflows More ❯
Employment Type: Permanent
Salary: USD Annual
Posted:

Flutter Technical Lead

City of London, London, United Kingdom
La Fosse
/5+ years commercial experience with Flutter 1/2+ years leading technical teams of 3-5 Deep Flutter expertise: architecture, state management, testing, deployment Solid backend integration (REST, WebSockets, microservices) Experience with Firebase, AWS, and CI/CD pipelines This role can offer up to £100,000, requires 4-days per week onsite in central London, and is made More ❯
Posted:

Flutter Technical Lead

London Area, United Kingdom
La Fosse
/5+ years commercial experience with Flutter 1/2+ years leading technical teams of 3-5 Deep Flutter expertise: architecture, state management, testing, deployment Solid backend integration (REST, WebSockets, microservices) Experience with Firebase, AWS, and CI/CD pipelines This role can offer up to £100,000, requires 4-days per week onsite in central London, and is made More ❯
Posted:

Flutter Technical Lead

london, south east england, united kingdom
La Fosse
/5+ years commercial experience with Flutter 1/2+ years leading technical teams of 3-5 Deep Flutter expertise: architecture, state management, testing, deployment Solid backend integration (REST, WebSockets, microservices) Experience with Firebase, AWS, and CI/CD pipelines This role can offer up to £100,000, requires 4-days per week onsite in central London, and is made More ❯
Posted:

Full Stack Software Engineer with Security Clearance

Sarasota, Florida, United States
MRSL Real-Time Systems Laboratory, Inc
Understands what a CI/CD pipeline is • Understands what Kubernetes is • Understands what an ETL pipeline is • Understands databases and SQL • Understands what RESTful interfaces are • Understands what websockets are • TS/SCI active clearance required. U.S. Citizenship required Nice to have, but not required: • Creating and editing Helm charts • Deploying and working with Argo CD and Argo Workflows More ❯
Employment Type: Permanent
Salary: USD Annual
Posted:

Flutter Technical Lead

london (city of london), south east england, united kingdom
La Fosse
/5+ years commercial experience with Flutter 1/2+ years leading technical teams of 3-5 Deep Flutter expertise: architecture, state management, testing, deployment Solid backend integration (REST, WebSockets, microservices) Experience with Firebase, AWS, and CI/CD pipelines This role can offer up to £100,000, requires 4-days per week onsite in central London, and is made More ❯
Posted:

Flutter Technical Lead

slough, south east england, united kingdom
La Fosse
/5+ years commercial experience with Flutter 1/2+ years leading technical teams of 3-5 Deep Flutter expertise: architecture, state management, testing, deployment Solid backend integration (REST, WebSockets, microservices) Experience with Firebase, AWS, and CI/CD pipelines This role can offer up to £100,000, requires 4-days per week onsite in central London, and is made More ❯
Posted:

Senior Software Engineer - Data & API Infrastructure

New York, United States
Bloomberg
execution workflows, or real-time data platforms Knowledge of messaging systems like Kafka , RabbitMQ , or IBM MQ Prior contributions to large-scale distributed computing platforms Experience with REST APIs , WebSockets , and real-time event processing A bias toward building systems that empower other engineers Sound Interesting? Let's talk. Whether your interest lies in high-performance APIs, large-scale data More ❯
Employment Type: Permanent
Salary: USD Annual
Posted:
WebSockets
10th Percentile
£48,750
25th Percentile
£72,500
Median
£90,000
75th Percentile
£126,250
90th Percentile
£136,250