Distributed Systems Jobs in London

26 to 50 of 217 Distributed Systems Jobs in London

Java Software Engineer

london (city of london), south east england, united kingdom
Arrows
ll do: 💻 Develop and maintain scalable, data-driven applications in Java 🛠️ Lead on requirements, design workshops, and solutioning 🤝 Mentor junior engineers and share best practices ☁️ Implement & optimise microservices and distributed systems on GCP (GKE, PubSub, BigQuery, Dataflow) using Docker & Kubernetes 🔄 Build and manage efficient data pipelines with streaming tech + relational/NoSQL databases ✅ Ensure high quality through … and Git 🕵️ Troubleshoot, propose improvements, and stay ahead of emerging technologies 💡 What you’ll bring: 🔑 Strong Java & OOP experience 📊 Background in data platforms, frameworks & streaming technologies 🧩 Familiarity with microservices & distributed systems ☁️ Exposure to GCP (GKE, PubSub, BigQuery) 🗄️ Experience with relational/NoSQL databases 🐳 Proficiency with Docker & Kubernetes 🔄 Solid understanding of engineering best practices (CI/CD, Git, testing More ❯
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Lead Backend Software Engineer Java AWS

London, South East, England, United Kingdom
Hybrid / WFH Options
Client Server Ltd
quality, high-impact releases. You'll be working with a modern, cloud native tech stack using Java, Spring Boot, AWS, Kafka and CI/CD to build highly scalable, distributed systems with 24/7 availability. Location/WFH: There's a hybrid model with two days a week work from home, when you are in the office … range of facilities including roof terrace, restaurant and break out areas. About you: You have strong technical and people leadership skills You have advanced experience of building cloud-native, distributed systems using Java and Spring Boot You have a strong knowledge of AWS including Amazon EKS You have experience with Kafka and event driven architectures You're collaborative More ❯
Employment Type: Full-Time
Salary: £100,000 - £115,000 per annum
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Java Developer / Technical Lead - Fintech

London, England, United Kingdom
Hybrid / WFH Options
Client Server
quality, high-impact releases. You'll be working with a modern, cloud native tech stack using Java, Spring Boot, AWS, Kafka and CI/CD to build highly scalable, distributed systems with 24/7 availability. Location/WFH: There's a hybrid model with two days a week work from home, when you are in the office … range of facilities including roof terrace, restaurant and break out areas. About you: You have strong technical and people leadership skills You have advanced experience of building cloud-native, distributed systems using Java and Spring Boot You have a strong knowledge of AWS including Amazon EKS You have experience with Kafka and event driven architectures You're collaborative More ❯
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Java Developer / Technical Lead - Fintech

London, South East, England, United Kingdom
Hybrid / WFH Options
Client Server Ltd
quality, high-impact releases. You'll be working with a modern, cloud native tech stack using Java, Spring Boot, AWS, Kafka and CI/CD to build highly scalable, distributed systems with 24/7 availability. Location/WFH: There's a hybrid model with two days a week work from home, when you are in the office … range of facilities including roof terrace, restaurant and break out areas. About you: You have strong technical and people leadership skills You have advanced experience of building cloud-native, distributed systems using Java and Spring Boot You have a strong knowledge of AWS including Amazon EKS You have experience with Kafka and event driven architectures You're collaborative More ❯
Employment Type: Full-Time
Salary: £100,000 - £115,000 per annum
Posted:

Principal AI Engineer - Entourage

London, United Kingdom
Web3 Foundation
so that agents never have to solve the same problem repeatedly. Our approach goes beyond existing agent frameworks, creating the connective tissue for the emerging agent economy where AI systems discover capabilities, learn collectively, and collaborate to create value. About Moonsong Labs: Entourage has been incubated by Moonsong Labs, a cutting-edge Web3 and AI venture studio driving next … blockchain optimised for cross-chain use cases - Tanssi - Decentralised AppChain infrastructure secured via Restaking What you'll do: Lead the end-to-end design and development of core AI systems that enable collective learning and shared memory among autonomous agents. Architect and implement scalable distributed infrastructure for capturing, validating, and surfacing agent experiences across complex networks at scale … ll bring: Previous experience in AI architectures and infrastructure, with a proven track record of delivering complex software platforms and AI-native products. Proven track record of shipping production systems or prototypes at high velocity, ideally in startup or research contexts where speed and adaptability are paramount. Deep expertise in Generative AI, multi-agent systems, LLMs, end-to More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Founding Engineer

City of London, London, United Kingdom
Explore Group
looking for a Founding Engineer to join the team in central London. This is a unique opportunity to help build a transformative new platform at the intersection of software systems, automation, and intelligent infrastructure. Founded by leading academics and proven entrepreneurs , the business is backed by top-tier investors and is solving complex technical problems that demand creativity, rigour … and ambition. The Role Build and own core systems and architecture from the ground up Work closely with the founding team on product direction and technical strategy Make key decisions across the full stack — from infrastructure to user-facing elements Contribute to the early engineering culture, processes, and hiring Ideal Background Experience building complex systems in a startup … high-growth tech environment Strong computer science fundamentals; comfortable working across multiple layers of the stack Demonstrated ability to operate in fast-moving, ambiguous environments Bonus: familiarity with compilers, distributed systems, systems design, or programming languages theory Offer £180,000 base salary Significant equity in a high-potential startup London-based, full-time — onsite collaboration with a More ❯
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Founding Engineer

London Area, United Kingdom
Explore Group
looking for a Founding Engineer to join the team in central London. This is a unique opportunity to help build a transformative new platform at the intersection of software systems, automation, and intelligent infrastructure. Founded by leading academics and proven entrepreneurs , the business is backed by top-tier investors and is solving complex technical problems that demand creativity, rigour … and ambition. The Role Build and own core systems and architecture from the ground up Work closely with the founding team on product direction and technical strategy Make key decisions across the full stack — from infrastructure to user-facing elements Contribute to the early engineering culture, processes, and hiring Ideal Background Experience building complex systems in a startup … high-growth tech environment Strong computer science fundamentals; comfortable working across multiple layers of the stack Demonstrated ability to operate in fast-moving, ambiguous environments Bonus: familiarity with compilers, distributed systems, systems design, or programming languages theory Offer £180,000 base salary Significant equity in a high-potential startup London-based, full-time — onsite collaboration with a More ❯
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Software Development Engineer II (Backend)

City of London, London, United Kingdom
Expedia Group
delight our customers. Our goal is to enhance every traveler's experience and make it better! In this role, you will: Design, develop, and maintain high-throughput, low-latency distributed services that deliver efficient, optimal pricing solutions at scale Implement robust caching mechanisms to enhance application performance, reduce latency, and optimize system resource utilization Participate actively in architecture reviews … experience) Hands-on experience in software development using Java or similar object-oriented programming languages, or Scala or Kotlin or similar functional languages Proven experience building and operating scalable distributed systems and services within AWS cloud infrastructure or similar technologies. Designed and implemented distributed, event-driven systems using Kafka Streams, AWS Kinesis, or similar. Optimize for … releases andBuild and maintain SLAs, SLOs, and SLIs for critical services. Strong practical knowledge and experience developing robust caching solutions, utilizing technologies such as Redis, Couchbase, Memcached, or similar distributed caching tools Experience working successfully on Agile development teams with a minimum of 5 engineers, understanding modern agile methodologies, version control systems, continuous integration, and continuous delivery practices More ❯
Employment Type: Permanent
Posted:

Software Development Engineer II (Backend)

london (city of london), south east england, united kingdom
Expedia Group
delight our customers. Our goal is to enhance every traveler's experience and make it better! In this role, you will: Design, develop, and maintain high-throughput, low-latency distributed services that deliver efficient, optimal pricing solutions at scale Implement robust caching mechanisms to enhance application performance, reduce latency, and optimize system resource utilization Participate actively in architecture reviews … experience) Hands-on experience in software development using Java or similar object-oriented programming languages, or Scala or Kotlin or similar functional languages Proven experience building and operating scalable distributed systems and services within AWS cloud infrastructure or similar technologies. Designed and implemented distributed, event-driven systems using Kafka Streams, AWS Kinesis, or similar. Optimize for … releases andBuild and maintain SLAs, SLOs, and SLIs for critical services. Strong practical knowledge and experience developing robust caching solutions, utilizing technologies such as Redis, Couchbase, Memcached, or similar distributed caching tools Experience working successfully on Agile development teams with a minimum of 5 engineers, understanding modern agile methodologies, version control systems, continuous integration, and continuous delivery practices More ❯
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Software Development Engineer II (Backend)

London, United Kingdom
delight our customers. Our goal is to enhance every traveler's experience and make it better! In this role, you will: Design, develop, and maintain high-throughput, low-latency distributed services that deliver efficient, optimal pricing solutions at scale Implement robust caching mechanisms to enhance application performance, reduce latency, and optimize system resource utilization Participate actively in architecture reviews … experience) Hands-on experience in software development using Java or similar object-oriented programming languages, or Scala or Kotlin or similar functional languages Proven experience building and operating scalable distributed systems and services within AWS cloud infrastructure or similar technologies. Designed and implemented distributed, event-driven systems using Kafka Streams, AWS Kinesis, or similar. Optimize for … and Build and maintain SLAs, SLOs, and SLIs for critical services. Strong practical knowledge and experience developing robust caching solutions, utilizing technologies such as Redis, Couchbase, Memcached, or similar distributed caching tools Experience working successfully on Agile development teams with a minimum of 5 engineers, understanding modern agile methodologies, version control systems, continuous integration, and continuous delivery practices More ❯
Posted:

Software Development Engineer II (Backend)

london, south east england, united kingdom
Expedia Group
delight our customers. Our goal is to enhance every traveler's experience and make it better! In this role, you will: Design, develop, and maintain high-throughput, low-latency distributed services that deliver efficient, optimal pricing solutions at scale Implement robust caching mechanisms to enhance application performance, reduce latency, and optimize system resource utilization Participate actively in architecture reviews … experience) Hands-on experience in software development using Java or similar object-oriented programming languages, or Scala or Kotlin or similar functional languages Proven experience building and operating scalable distributed systems and services within AWS cloud infrastructure or similar technologies. Designed and implemented distributed, event-driven systems using Kafka Streams, AWS Kinesis, or similar. Optimize for … and Build and maintain SLAs, SLOs, and SLIs for critical services. Strong practical knowledge and experience developing robust caching solutions, utilizing technologies such as Redis, Couchbase, Memcached, or similar distributed caching tools Experience working successfully on Agile development teams with a minimum of 5 engineers, understanding modern agile methodologies, version control systems, continuous integration, and continuous delivery practices More ❯
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Senior Backend Engineer

South West London, London, United Kingdom
Ncounter LTD
Product-Focused Backend Engineer Functional Programming & Distributed Systems London (Hybrid) | £120,000£160,000 + Equity At Ncounter, were partnering with a cutting-edge AI company on a mission to redefine how professionals in highly regulated industries interact with complex, multi-modal data. Their platform empowers users to deploy custom no-code AI agents that produce verifiable outputs … high-calibre engineering function where every member contributes to planning, testing, analysis, and execution. What Youll Be Doing: Building and evolving APIs that serve as the backbone for internal systems and customer-facing applications Scaling the platform to support heavy, multi-tenant usage patterns and high-throughput AI workloads Applying foundation models (GPT-4.1, Claude 4, Gemini 1.5 and … on experience with functional programming (Elixir is a plus, but other languages like Scala, Haskell, Clojure, Go, Node.js, or F# are welcome) Proven track record of building and scaling distributed backend systems Solid understanding of infrastructure-as-code and cloud orchestration (AWS, Terraform, Docker) Familiarity with queue management, observability tooling, and shipping in fast-paced environments Awareness of More ❯
Employment Type: Permanent
Posted:

Staff Backend Engineer (AI Lab | £170,000)

City of London, London, United Kingdom
Hybrid / WFH Options
Paradigm Talent
pushing the boundaries of computational biology, combining machine learning, cloud infrastructure, and scientific research to accelerate discoveries in life sciences. As a Staff Backend Engineer , you’ll build the distributed systems and data infrastructure that power the lab’s next-generation biology platform. From model serving to real-time data processing, your work will form the backbone of … Collaborate across disciplines , working with ML engineers, biologists, and platform teams to ensure seamless integration between computation, data, and science. You should have Deep experience building and scaling backend systems and distributed applications . Strong coding skills in Python , with an understanding of performance tuning and concurrency. Hands-on experience with Kubernetes , AWS , and modern cloud infrastructure . … systems. Knowledge of scientific or biological computing environments . This is a rare opportunity to join a deep-tech AI lab where backend engineering meets scientific discovery, building the systems that let machine learning models and experimental biology evolve together. If you want to design the infrastructure behind a platform that could change how we understand life itself, we More ❯
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Staff Backend Engineer (AI Lab | £170,000)

London Area, United Kingdom
Hybrid / WFH Options
Paradigm Talent
pushing the boundaries of computational biology, combining machine learning, cloud infrastructure, and scientific research to accelerate discoveries in life sciences. As a Staff Backend Engineer , you’ll build the distributed systems and data infrastructure that power the lab’s next-generation biology platform. From model serving to real-time data processing, your work will form the backbone of … Collaborate across disciplines , working with ML engineers, biologists, and platform teams to ensure seamless integration between computation, data, and science. You should have Deep experience building and scaling backend systems and distributed applications . Strong coding skills in Python , with an understanding of performance tuning and concurrency. Hands-on experience with Kubernetes , AWS , and modern cloud infrastructure . … systems. Knowledge of scientific or biological computing environments . This is a rare opportunity to join a deep-tech AI lab where backend engineering meets scientific discovery, building the systems that let machine learning models and experimental biology evolve together. If you want to design the infrastructure behind a platform that could change how we understand life itself, we More ❯
Posted:

Staff Backend Engineer (AI Lab | £170,000)

london, south east england, united kingdom
Hybrid / WFH Options
Paradigm Talent
pushing the boundaries of computational biology, combining machine learning, cloud infrastructure, and scientific research to accelerate discoveries in life sciences. As a Staff Backend Engineer , you’ll build the distributed systems and data infrastructure that power the lab’s next-generation biology platform. From model serving to real-time data processing, your work will form the backbone of … Collaborate across disciplines , working with ML engineers, biologists, and platform teams to ensure seamless integration between computation, data, and science. You should have Deep experience building and scaling backend systems and distributed applications . Strong coding skills in Python , with an understanding of performance tuning and concurrency. Hands-on experience with Kubernetes , AWS , and modern cloud infrastructure . … systems. Knowledge of scientific or biological computing environments . This is a rare opportunity to join a deep-tech AI lab where backend engineering meets scientific discovery, building the systems that let machine learning models and experimental biology evolve together. If you want to design the infrastructure behind a platform that could change how we understand life itself, we More ❯
Posted:

Staff Backend Engineer (AI Lab | £170,000)

london (city of london), south east england, united kingdom
Hybrid / WFH Options
Paradigm Talent
pushing the boundaries of computational biology, combining machine learning, cloud infrastructure, and scientific research to accelerate discoveries in life sciences. As a Staff Backend Engineer , you’ll build the distributed systems and data infrastructure that power the lab’s next-generation biology platform. From model serving to real-time data processing, your work will form the backbone of … Collaborate across disciplines , working with ML engineers, biologists, and platform teams to ensure seamless integration between computation, data, and science. You should have Deep experience building and scaling backend systems and distributed applications . Strong coding skills in Python , with an understanding of performance tuning and concurrency. Hands-on experience with Kubernetes , AWS , and modern cloud infrastructure . … systems. Knowledge of scientific or biological computing environments . This is a rare opportunity to join a deep-tech AI lab where backend engineering meets scientific discovery, building the systems that let machine learning models and experimental biology evolve together. If you want to design the infrastructure behind a platform that could change how we understand life itself, we More ❯
Posted:

Principal Data Architect

Central London, London, United Kingdom
Aker Systems Limited
Aker Systems was founded in 2017 by a team of experienced technology professionals who recognised an opportunity to provide highly secure enterprise data platforms to large organisations. We build and operate ground-breaking, ultra-secure, high performance, cloud-based data infrastructure for the enterprise. Our proprietary technology solutions drive performance and reduce costs while helping our clients to improve … the management and sharing of data across their organisations. In 2024, Aker Systems won the Breakthrough Culture Awards highlighting growth companies putting culture first. In 2020 Aker Systems was recognised as a One to Watch on the Sunday Times Tech Track. The Company was also recognised at the Thames Valley Tech Awards 2020; winning the Thames Valley Tech … role. If you dont hold SC clearance, we will support you to apply assuming you have lived and worked in the UK for a minimum of 5 years. Aker Systems deliver secure cloud hosted solutions into the public and private sectors. We are rapidly expanding and are looking to hire a Principal Data Architect to support the delivery of More ❯
Employment Type: Permanent
Posted:

Senior Java Software Engineer

London Area, United Kingdom
Arrows
/day (Inside IR35) – Hybrid (2x a week - London) – 6 month contract Our client is seeking a Senior Java Developer who is passionate about clean code, cloud-native systems, and building technology that makes a real impact. This is a unique opportunity to work in an agile, high-ownership engineering culture. What You'll Be Doing: Build and scale … design, and infrastructure Troubleshoot complex issues and help ensure system reliability and performance What You’ll Bring: Strong backend engineering experience, especially in Java and Spring Deep understanding of distributed systems and microservices Hands-on experience with AWS , Kubernetes , Docker , and Terraform Familiarity with CI/CD pipelines and testing best practices Solid SQL and relational database skills More ❯
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Senior Java Software Engineer

City of London, London, United Kingdom
Arrows
/day (Inside IR35) – Hybrid (2x a week - London) – 6 month contract Our client is seeking a Senior Java Developer who is passionate about clean code, cloud-native systems, and building technology that makes a real impact. This is a unique opportunity to work in an agile, high-ownership engineering culture. What You'll Be Doing: Build and scale … design, and infrastructure Troubleshoot complex issues and help ensure system reliability and performance What You’ll Bring: Strong backend engineering experience, especially in Java and Spring Deep understanding of distributed systems and microservices Hands-on experience with AWS , Kubernetes , Docker , and Terraform Familiarity with CI/CD pipelines and testing best practices Solid SQL and relational database skills More ❯
Posted:

Senior Java Software Engineer

london, south east england, united kingdom
Arrows
/day (Inside IR35) – Hybrid (2x a week - London) – 6 month contract Our client is seeking a Senior Java Developer who is passionate about clean code, cloud-native systems, and building technology that makes a real impact. This is a unique opportunity to work in an agile, high-ownership engineering culture. What You'll Be Doing: Build and scale … design, and infrastructure Troubleshoot complex issues and help ensure system reliability and performance What You’ll Bring: Strong backend engineering experience, especially in Java and Spring Deep understanding of distributed systems and microservices Hands-on experience with AWS , Kubernetes , Docker , and Terraform Familiarity with CI/CD pipelines and testing best practices Solid SQL and relational database skills More ❯
Posted:

Senior Java Software Engineer

london (city of london), south east england, united kingdom
Arrows
/day (Inside IR35) – Hybrid (2x a week - London) – 6 month contract Our client is seeking a Senior Java Developer who is passionate about clean code, cloud-native systems, and building technology that makes a real impact. This is a unique opportunity to work in an agile, high-ownership engineering culture. What You'll Be Doing: Build and scale … design, and infrastructure Troubleshoot complex issues and help ensure system reliability and performance What You’ll Bring: Strong backend engineering experience, especially in Java and Spring Deep understanding of distributed systems and microservices Hands-on experience with AWS , Kubernetes , Docker , and Terraform Familiarity with CI/CD pipelines and testing best practices Solid SQL and relational database skills More ❯
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Senior Rust Engineer – London (Hybrid / On-site)

City of London, London, United Kingdom
Hybrid / WFH Options
NonStop Consulting
On-site) Location: London, UK Type: Full-time | Permanent Salary: Competitive + equity + benefits Are you a seasoned Rust Engineer with a passion for building high-performance, reliable systems? We’re looking for an experienced Senior Rust Engineer to join our London team and take ownership of critical backend components that power our next-generation platform. What You … ll Do Architect, design, and implement core systems in Rust Lead by example — write clean, efficient, and idiomatic Rust code Mentor junior and mid-level engineers, sharing best practices in systems design and Rust development Collaborate with cross-functional teams to deliver scalable, secure, and fault-tolerant applications Drive performance tuning, code reviews, and architectural improvements across the … stack What We’re Looking For 5–8+ years of professional software engineering experience 3–5+ years of hands-on experience with Rust in production environments Strong understanding of systems programming , concurrency , networking , and low-level performance optimisation Experience with microservices , distributed systems , or blockchain technologies is highly desirable Familiarity with Linux systems , CI/CD More ❯
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Senior Rust Engineer – London (Hybrid / On-site)

London Area, United Kingdom
Hybrid / WFH Options
NonStop Consulting
On-site) Location: London, UK Type: Full-time | Permanent Salary: Competitive + equity + benefits Are you a seasoned Rust Engineer with a passion for building high-performance, reliable systems? We’re looking for an experienced Senior Rust Engineer to join our London team and take ownership of critical backend components that power our next-generation platform. What You … ll Do Architect, design, and implement core systems in Rust Lead by example — write clean, efficient, and idiomatic Rust code Mentor junior and mid-level engineers, sharing best practices in systems design and Rust development Collaborate with cross-functional teams to deliver scalable, secure, and fault-tolerant applications Drive performance tuning, code reviews, and architectural improvements across the … stack What We’re Looking For 5–8+ years of professional software engineering experience 3–5+ years of hands-on experience with Rust in production environments Strong understanding of systems programming , concurrency , networking , and low-level performance optimisation Experience with microservices , distributed systems , or blockchain technologies is highly desirable Familiarity with Linux systems , CI/CD More ❯
Posted:

Senior Rust Engineer – London (Hybrid / On-site)

london, south east england, united kingdom
Hybrid / WFH Options
NonStop Consulting
On-site) Location: London, UK Type: Full-time | Permanent Salary: Competitive + equity + benefits Are you a seasoned Rust Engineer with a passion for building high-performance, reliable systems? We’re looking for an experienced Senior Rust Engineer to join our London team and take ownership of critical backend components that power our next-generation platform. What You … ll Do Architect, design, and implement core systems in Rust Lead by example — write clean, efficient, and idiomatic Rust code Mentor junior and mid-level engineers, sharing best practices in systems design and Rust development Collaborate with cross-functional teams to deliver scalable, secure, and fault-tolerant applications Drive performance tuning, code reviews, and architectural improvements across the … stack What We’re Looking For 5–8+ years of professional software engineering experience 3–5+ years of hands-on experience with Rust in production environments Strong understanding of systems programming , concurrency , networking , and low-level performance optimisation Experience with microservices , distributed systems , or blockchain technologies is highly desirable Familiarity with Linux systems , CI/CD More ❯
Posted:

Senior Rust Engineer – London (Hybrid / On-site)

london (city of london), south east england, united kingdom
Hybrid / WFH Options
NonStop Consulting
On-site) Location: London, UK Type: Full-time | Permanent Salary: Competitive + equity + benefits Are you a seasoned Rust Engineer with a passion for building high-performance, reliable systems? We’re looking for an experienced Senior Rust Engineer to join our London team and take ownership of critical backend components that power our next-generation platform. What You … ll Do Architect, design, and implement core systems in Rust Lead by example — write clean, efficient, and idiomatic Rust code Mentor junior and mid-level engineers, sharing best practices in systems design and Rust development Collaborate with cross-functional teams to deliver scalable, secure, and fault-tolerant applications Drive performance tuning, code reviews, and architectural improvements across the … stack What We’re Looking For 5–8+ years of professional software engineering experience 3–5+ years of hands-on experience with Rust in production environments Strong understanding of systems programming , concurrency , networking , and low-level performance optimisation Experience with microservices , distributed systems , or blockchain technologies is highly desirable Familiarity with Linux systems , CI/CD More ❯
Posted:
Distributed Systems
London
10th Percentile
£72,500
25th Percentile
£91,875
Median
£110,000
75th Percentile
£132,500
90th Percentile
£162,500