1 to 25 of 90 Permanent HTTP Jobs in London

Software Developer | Capital Markets

Location
Greater London, England, United Kingdom
Linux Tools/Technologies/Infra : NodeJS, cloud/AWS, RabbitMQ, AMQ, Mongo, Bitbucket (Git), SQL/Server, Jira Design : API, HTTP/REST, JSON, micro-services and distributed systems SDLC : Agile, Scrum, Kanban, DevOps, CI/CD, Automation First, BDD/TDD, DORA. Understanding of, and advocacy for, Agentic ...

QA Automation Engineer / Consultant

Location
Greater London, England, United Kingdom
Practical experience with Serenity BDD, Cucumber/Gherkin, Selenium WebDriver and REST Assured, supported by frameworks such as JUnit and AssertJ. Strong understanding of HTTP, REST APIs, JSON, authentication, validation and error handling. Experience testing distributed or microservice-based applications, including asynchronous processing and messaging. Ability to verify complete business ...

Security Information Engineer

Location
Greater London, England, United Kingdom
evaluating malicious activity Knowledge of TCP/IP and related network protocols: knowledge of standard network protocols like TCP, ARP, ICMP, DHCP, DNS, HTTP, SNMP, VPN etc., and accompanying protocol/packet analysis/manipulation tools Strong analytical and problem-solving skills Knowledge of delivering and maintaining compliance and security ...

Director, Senior Security Architect

Location
Greater London, England, United Kingdom
hands-on coding, alongside deep expertise in threat modeling, pen testing, code reviews, and offensive security methodologies.* Strong foundation in network protocols (IP, DNS, HTTP, SSL/TLS), cryptography (PKI, encryption at rest/in motion), Linux environments, and public cloud platforms (AWS, Azure, or GCP).* Proficient in programming ...

Lead QA Automation with Python

Location
Greater London, England, United Kingdom
plans, including automation, performance, E2E integration, test environment. - Hands-on experience in RESTful API testing and complex integrations, including real-time processing (JSON, XML, HTTP, API authentication). - In-depth knowledge of Software QA methodologies and experience of agile testing - Good communication and influence skills - Excellent problem-solving skills - Good ...

Ethical Hacker

Location
Greater London, England, United Kingdom
OWASP Top 10 , vulnerability scanning, and exploit development Familiaritywith MITRE ATT&CK framework and red team methodology Solidknowledge of TCP/IP, firewalls, DNS, HTTP/HTTPS, and encryptionprotocols Strongreporting and communication skills Atleast one industry certification (OSCP, CEH, CREST CRT, or similar) Desired Skills Scriptingskills in Python, PowerShell ...

Network Security Support Engineer

Location
Barking, England, United Kingdom
vulnerability remediation. Required Skills & Experience Strong hands-on experience supporting enterprise network security environments. Solid understanding of: TCP/IP DNS DHCP NAT HTTP/HTTPS TLS VPN Technologies Experience with routing protocols including: BGP OSPF Practical administration and troubleshooting of Next-Generation Firewalls (NGFWs). Experience with firewall policies ...

Security Operations Analyst (SOC analyst)

Location
Greater London, England, United Kingdom
common attack techniques, the cyber kill chain, and the MITRE ATT&CK framework. Strong understanding of core networking concepts (TCP/IP, DNS, HTTP/S, proxies, firewalls) and operating system internals (Windows, Linux). Experience investigating alerts across endpoint, network, cloud, and identity/authentication logs. Ability to analyze ...

Software Engineer III- Front End- Web- JPM Personal Investing- Mid Level

Location
Greater London, England, United Kingdom
Strong proficiency in React and its core principles. Solid grasp of Web fundamentals: HTML5 (Semantics & Structure) CSS (Responsive Design, Specificity) JavaScript ES6 General Networking (HTTP, IP & DNS, Caching) Proficient with Chrome Developer Tools or browser equivalent. Experience with version control tools (VCS), preferably Git. Experience with Docker. Strong analytical ...

Senior Engineer

Location
Greater London, England, United Kingdom
Kubernetes, and Ansible. Experience building and supporting reactive, event-sourced systems. Hands-on experience with Apache Spark and Apache Flink. Strong understanding of Apache HTTP, Envoy, and REST API design. Experience working with Protobuf, Avro, and Parquet data formats. Knowledge of Iceberg, Databricks, and Hadoop ecosystems. Skills that will help ...

Platform Engineer

Location
Teddington, England, United Kingdom
Science, or closely related discipline Highly-desirable Python Software development in a Unix/Linux environment Internet protocols and services (such as SMTP, DNS, HTTP, etc.) VMWare Programmatic/automation mindset that streamlines workflows, whilst collaborating with teams to improve platform support It is also desirable if you have interest ...

Technical Support Engineer

Location
Greater London, England, United Kingdom
plus Technical Skills: Experience in one of the programming languages: Python, Java, php, C#, Java Script or shell scripting Familiarity with Web Technologies, HTTP and HTTPS Experience with REST, JSON, SOAP Experience with SQL Familiarity with Splunk, Grafana Experience in e-commerce, payment, fin-tech industry is a plus Equal ...

Cloud Platforms Engineer

Location
City Of London, England, United Kingdom
thinking matters more than the tool. Enough networking to debug a real problem: the domain name system (DNS), transport layer security (TLS), HTTP, virtual private clouds, subnets, security groups, load balancers and content delivery networks. Desirable: able to write code, not only configuration – Python, Node.js or similar – for tooling ...

Senior CIRT / Threat Intel Analyst

Location
City Of London, England, United Kingdom
technical audiences; strong presentation skills. Comfortable working in a fast-paced environment; passion for cyber security. Advanced knowledge of network protocols (TCP/IP, HTTP) and operating systems. Preferred Qualifications Experience in the financial services industry. Familiarity with threat hunting techniques (hypothesis-driven, ATT&CK-aligned, behavior-based). Windows ...

TechOps & Support Engineer, Amazon MGM Studios | Technology Operations & Support

Location
Greater London, England, United Kingdom
following: Python, Java, Perl, PHP, Ruby, Bash, Shell or equivalent Preferred Qualifications - Knowledge of TCP/IP and networking protocols such as HTTP and DNS - Experience designing and developing scripts to automate operational burdens and reviewing scripting changes to ensure they meet the standards for maintainability, scalability and security - Experience ...

DevOps Developer

Location
City Of London, England, United Kingdom
experience working in a high traffic, production web based environment Experience with 24/7 Linux based web operations environment A good understanding of: HTTP and HTTPS, DNS, TCP/IP Networking principles, Firewalls rules and configuration, Experience of virtualisation technologies and virtualisation management (KVM, VMware, AWS) Strong verbal ...

Software Engineer

Location
Greater London, England, United Kingdom
others. Our Kafka pub/sub MQ, the heart of our system, offers high availability, low latency and message persistence. We provide gRPC and HTTP APIs for various metadata, while PostgreSQL and ElasticSearch serve as our go‐to databases. Responsibilities: Design, implement and maintain complex designs/features written ...

Cloud Platform Engineer - AWS

Location
Greater London, England, United Kingdom
registries, caching, and image builds inside Kubernetes without privileged containers or a mounted Docker socket Linux and network troubleshooting — overlay networking, NAT traversal, DNS, HTTP proxy behaviour, TLS, package access, source‐control connectivity and remote responsiveness Identity integration — OIDC single sign‐on, group and role mapping, and ideally SCIM provisioning ...

Security Engineer, AWS Security

Location
Greater London, England, United Kingdom
insider risk, information security, assurance and physical security. Basic Qualifications Bachelor's degree in computer science or equivalent Knowledge of networking protocols such as HTTP, DNS and TCP/IP Experience programming in Python, Ruby, Go, Swift, Java, .Net, C++ or similar object oriented language Preferred Qualifications Experience with ...

Systems Engineer, Database Services (AWS)

Location
Greater London, England, United Kingdom
following: Python, Java, Perl, PHP, Ruby, Bash, Shell or equivalent Preferred Qualifications Knowledge of TCP/IP and networking protocols such as HTTP and DNS Experience designing and developing scripts to automate operational burdens and reviewing scripting changes to ensure they meet the standards for maintainability, scalability and security Experience ...

Lead Software Engineer

Location
Greater London, England, United Kingdom
Overwhelming desire to ‘do the right thing’ for customers Preferred Skills and Experience Technical Depth C#, Java or Python Understanding of SOA and Microservices, HTTP and REST Awareness of cloud infrastructure Patterns and Practice OO programming and design Coding Standards Familiar with Agile framework Team and Leadership Good communicator, willing ...

Senior Django Developer

Location
Greater London, England, United Kingdom
shipped and being used as quickly and efficiently as possible. Experience in architecting and building scalable web applications WOULD BE AWESOME Development & consumption of HTTP APIs Experience scaling a web application by orders of magnitude DevOps experience (repeatable deployments, automated releases, CI/CD, infrastructure as code) Experience developing financial ...

C++ developer

Location
Greater London, England, United Kingdom
that communicates with exchanges through their APIs, receiving market data and sending orders over the network in different protocols, such as FIX, WebSocket or HTTP requests Ensure quality of software based on a set of testing suites, which you are expected to use, maintain and extend Optimize exchange communication through ...

Trading Application Support Analyst - Fixed Income & Commodities

Location
Greater London, England, United Kingdom
Windows environments, along with intermediate SQL skills Familiarity with an object-oriented programming language such as Python or Java and API concepts, including HTTP and REST APIs, is a plus Familiarity with middle- and back-office systems, risk management platforms, and market data services is advantageous Strong communication, prioritization ...

Scala Engineer

Location
Greater London, England, United Kingdom
integration checking) . Distributed Version Control (Git). Familiarity with Functional Programming concepts (immutability, referential transparency, algebraic design) . Web services architecture knowledge (REST, , HTTP stack, JSON codecs) Familiarity with message brokers/event-driven boundaries (e.g., Apache Kafka ) . Good understanding of local development tooling and environments. Experience working ...