Permanent WebSockets Job Vacancies

326 to 350 of 361 Permanent WebSockets Jobs

Software Engineer (Integrations)

London, England, United Kingdom
Hybrid / WFH Options
Parity Technologies Limited
use Rust extensively, and often push it to the limits to deliver robust and performant software. Have a good understanding of networking fundamentals, including TCP/IP, HTTP and WebSockets, and demonstrable experience building HTTP based APIs and clients. Ideally you'll live within 2 hours of UTC+0, but exceptional candidates outside of this timezone will also be considered. About More ❯
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Principal Hardware Engineer, Embedded and Prototyping

Irvine, California, United States
Hybrid / WFH Options
ButterflyMX
Strong track record of root-cause analysis in multi-domain system failures. Experience with physical layer protocols (e.g., CAN, UART, SPI) and higher-level communication stacks (e.g., MQTT, REST, WebSockets). Familiarity with secure cloud-connected embedded systems. Comfortable with hands-on prototyping using breadboards, quick-turn PCBs, and participating in hackathons or fast-paced hardware bring-up cycles. Collaborative More ❯
Employment Type: Permanent
Salary: USD Annual
Posted:

Blockchain Integration Specialist (Fully Remote, Worldwide)

London, England, United Kingdom
Hybrid / WFH Options
Bitfinex
Social network you want to login/join with: Blockchain Integration Specialist (Fully Remote, Worldwide), London Location: London, European Union Job Category: Internet Job Reference: cs22mew9 Job Views: 2 Posted: 27.05.2025 Expiry Date: 11.07.2025 Job Description: Bitfinex is a digital More ❯
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Senior Web Application Engineer

Cambridge, England, United Kingdom
CRFS Group
We are looking for an enthusiastic and driven Senior Web Application Engineer to join our team. Duties and Responsibilities Responsible for all aspects of the full software development life cycle, including requirements analysis, design, development, testing, documentation, and training. Creation More ❯
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Senior-Lead Golang Engineer

London, England, United Kingdom
Enable Technology
3 weeks ago Be among the first 25 applicants Direct message the job poster from enable Technology World-leading data solutions for blockchain & digital assets. Brand-new project base following recent acquisitions. Flexible benefits and up to 20% annual bonus More ❯
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Backend Engineer

London, England, United Kingdom
Blink - The Employee App
Blink is an employee app for frontline workers, with industry-leading engagement and a DAU of 99%. We're dedicated to scaling our platform through precision, automation, and innovation. As part of a world-class engineering team, you'll More ❯
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Software Engineer

London, United Kingdom
Wayfindi
Terra is the infrastructure of health data. We make it for developers and apps to connect and access data from wearables, sensors, health apps, and blood panels, and then create health scores, health rewards, and AI solutions. Terra was launched More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Web Applications Development Manager

Cambridge, Cambridgeshire, United Kingdom
CRFS Group
We are looking for a Web Applications Development Manager to join our team. Duties and Responsibilities Lead the development team in the design, development, coding, testing, and debugging of applications. Responsible for defining a product/delivery roadmap, working closely More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

C++ Developer

London, England, United Kingdom
Endeavour Recruitment Solutions
Technologies: C++11 C++14 network programming unix domaim Linux TCP websockets HTTP long polling Development Multithreading Exciting new career opportunity for a skilled C++ developer to join Real-time Engagement Platform provider client. Our client is looking for an enthusiastic C++ developer who enjoys collaborative work to join their development team. The role can offer remote UK based option. Our client … areas of focus currently on performance, scalability, flexibility and reliability. Required skills/experience: Proven commercial experience with C++11 or C++14 experience in networking programming - sockets, unix domain, TCP, websockets, HTTP, long polling experience in multi-threading, multi-process, coroutine programming development experience is Linux based If this sounds like you, please send us your CV or get in touch More ❯
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C++ Developer

Liverpool, England, United Kingdom
Endeavour Recruitment Solutions
Technologies: C++11 C++14 network programming unix domaim Linux TCP websockets HTTP long polling Development Multithreading Exciting new career opportunity for a skilled C++ developer to join Real-time Engagement Platform provider client. Our client is looking for an enthusiastic C++ developer who enjoys collaborative work to join their development team. The role can offer remote UK based option. Our client … areas of focus currently on performance, scalability, flexibility and reliability. Required skills/experience: Proven commercial experience with C++11 or C++14 experience in networking programming - sockets, unix domain, TCP, websockets, HTTP, long polling experience in multi-threading, multi-process, coroutine programming development experience is Linux based If this sounds like you, please send us your CV or get in touch More ❯
Posted:

Lead Full Stack Engineer

London, United Kingdom
Hybrid / WFH Options
Fruition Group
to design, build, and ship fast. Set the groundwork for future hires and engineering culture. Tech Stack Frontend & Backend: Next.js, Node.js Infrastructure: MongoDB Atlas, Heroku Tools: Auth0, AWS S3, WebSockets AI & Voice: OpenAI, Twilio, ElevenLabs About You Senior full-stack engineer with start up experience. Strong architectural instincts and scalable systems know-how. Clean, maintainable coding style with performance in More ❯
Employment Type: Permanent
Salary: GBP 100,000 Annual
Posted:

Software Team Lead

London, England, United Kingdom
Venture Up
that align with the company’s standards and ensure these are well understood across the team. Core Tech Stack Tools: RabbitMQ and ZeroMQ for messaging; PostgreSQL for data storage; Websockets for frontend communication. Observability: Prometheus, Grafana, Zabbix. Greenfield Python/Golang work, both challenging and rewarding. Seniority Level Not Applicable Employment Type Full-time Job Function Information Technology Industries Gambling More ❯
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iOS Engineer

London, England, United Kingdom
Muzz
wireframes across various features. Collaborate within Agile teams using Scrum and Kanban methodologies. Ensure high code quality following SOLID principles. Continuously learn new skills and contribute actively. Engage with WebSockets, Combine, and UI Test Automation. Adhere to the iOS Human Interface Guidelines and localization best practices. Utilize tools like Xcode, Git, and implement MVVM architecture with reactive programming. Why join More ❯
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Full Stack Engineer

United Kingdom
Hybrid / WFH Options
Fruition Group
Lay the groundwork for hiring and mentoring as the engineering team grows. 💡 Tech You’ll Work With Frontend & Backend : Next.js, Node.js Infrastructure : MongoDB Atlas, Heroku Tools : Auth0, AWS S3, WebSockets AI & Voice : Twilio, OpenAI, ElevenLabs 👀 Who We’re Looking For A senior full-stack engineer who’s thrived in early-stage startup environments. Proven experience making smart architectural choices and More ❯
Posted:

Full Stack Engineer

London, England, United Kingdom
Hybrid / WFH Options
Fruition Group
Lay the groundwork for hiring and mentoring as the engineering team grows. Tech You’ll Work With Frontend & Backend : Next.js, Node.js Infrastructure : MongoDB Atlas, Heroku Tools : Auth0, AWS S3, WebSockets AI & Voice : Twilio, OpenAI, ElevenLabs Who We’re Looking For A senior full-stack engineer who’s thrived in early-stage startup environments. Proven experience making smart architectural choices and More ❯
Posted:

iOS Engineer

London, England, United Kingdom
Muzz
learn new skills and eager to get stuck in Bags of common sense, with the raw ability and energy to make things happen — a real entrepreneurial spirit SwiftUI experience Websockets know-how Combine knowledge UI Test Automation fun A love of the iOS Human Interface Guidelines Localisation wisdom Swift, SwiftUI, and Combine Xcode Unit & UI Testing Reactive, MVVM Git Why More ❯
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Senior iOS Software Engineer

London, England, United Kingdom
Hybrid / WFH Options
Perplexity AI
enjoys experimenting with what's new with each iteration of iOS and iPadOS Nice to have Experience with related platforms like macOS and tools like Mac Catalyst Experience with WebSockets, HTTP Experience with concurrency and multithreading (GCD, critical sections, race conditions) The cash compensation range for this role is $180,000 - $220,000. Final offer amounts are determined by multiple More ❯
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Senior Software Engineer, C++, COR7263

Wantage, Oxfordshire, South East, United Kingdom
Corriculo Ltd
Senior Software Engineer, C++, COR7263 This is a rare opportunity for an experienced, Senior Software Engineer with skills in C++ and Rust, to join an historic British icon at the forefront of Engineering. The Role Ideally with a background in More ❯
Employment Type: Permanent
Salary: £75,000
Posted:

Senior Software Engineer - Data/Backend

London, United Kingdom
Hybrid / WFH Options
Senior Software Engineer/Developer (Go Golang) London/WFH to £100k Are you a senior, backend focussed Software Engineer with strong Go/Golang coding skills and real-time messaging experience? You could be progressing your career in More ❯
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Senior Software Engineer

Wantage, England, United Kingdom
Corriculo Ltd
This is a rare opportunity for an experienced Senior Software Engineer with skills in C++ and Rust , to join a historic British icon at the forefront of engineering. The Role Ideally with a background in aerodynamics, data science, vehicle dynamics More ❯
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Senior Software Engineer Go Golang

London, England, United Kingdom
Hybrid / WFH Options
Client Server
Senior Software Engineer/Developer (Go Golang) London/WFH to £100k Are you a senior, backend focussed Software Engineer with strong Go/Golang coding skills and real-time messaging experience? You could be progressing your career in a More ❯
Posted:

Senior Software Engineer Go Golang

South East London, England, United Kingdom
Hybrid / WFH Options
Client Server
Senior Software Engineer/Developer (Go Golang) London/WFH to £100k Are you a senior, backend focussed Software Engineer with strong Go/Golang coding skills and real-time messaging experience? You could be progressing your career in a More ❯
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Software Engineer Intern - High Frequency Trading (HFT)

Amsterdam, Noord-Holland, Netherlands
Thymos Research
Location: Amsterdam Zuid Duration: Long term, might result in a full time job Compensation: Paid internship with performance bonus depending on your competency About the Role Thymos Research is a newly launched high-frequency trading (HFT) firm operates across global More ❯
Employment Type: Permanent
Salary: EUR Annual
Posted:

Senior Software Engineer

Wantage, England, United Kingdom
ZipRecruiter
Job Description Senior Software Engineer, C++, COR7263 This is a rare opportunity for an experienced, Senior Software Engineer with skills in C++ and Rust, to join an historic British icon at the forefront of Engineering. The Role Ideally with a More ❯
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C++ Trading Developer, Quant Trading Team

London, England, United Kingdom
P2P
Responsibilities Continuously improve the design and performance of our automated trading system, including exchange connectivity, derivatives pricing model, order and risk management system. Implementing trading strategies which are highly adjustable in live trading and easy to integrate with backtesting system. More ❯
Posted:
WebSockets
10th Percentile
£48,750
25th Percentile
£50,625
Median
£82,500
75th Percentile
£120,000
90th Percentile
£142,500