london (city of london), south east england, united kingdom
La Fosse
onsite in London and initial 3 month rolling contracts with an immediate start. The rate available for this position is: £550-575pd Requirements : Extensive Golang experience Kafka Kubernetes HTTP SQL database experience too Bonus : Any Python experience Payments or financial services experience Please apply directly or email me your CV on Charlie.Durman@lafosse.com More ❯
Eastleigh, Hampshire, South East, United Kingdom Hybrid / WFH Options
Talent Locker
user-friendly functionality. SQL database work - queries, reports, triggers, procedures. Installing, configuring, and testing ERP applications. Supporting clients with smooth, integrated deployments. Tech Stack/Skills Web technologies: API, HTTP, JavaScript, Python, React SQL (tables, reports, triggers, procedures) Business analysis and documentation Systems architecture and administration Personal Attributes Proactive, organised, and able to take ownership. Flexible and adaptable to changing More ❯
VUGen, TruClient and Splunk Key Requirements: Proficient in using VUGen 12 or later for advanced test script development beyond basic record and playback functionality. Skilled in developing scripts using HTTP/HTML, MQ, Java, and TruClient protocols (Mandatory). Capable of understanding complex workflows and designing test flows and strategies. Designing test strategy, load scenarios, test plan Execute load tests More ❯
Cannock, Staffordshire, United Kingdom Hybrid / WFH Options
Guidant Global
Manager and will play a pivotal role in supporting this project. What we're looking for: Essential: Experience with network protocols such as TCP/IP, DNS, DHCP, and HTTP, with a sound understanding of network principles and best practices. Knowledge of network monitoring tools e.g., SolarWinds and techniques, with the ability to work independently and collaboratively within a team More ❯
and plans long-term strategies • May coach and provide guidance to less experience professionals • Familiarity with VMWare and SAN management and concepts • Solid knowledge of protocols such as DNS, HTTP, LDAP, ICMP, ssh and SNMP • Skilled in system administration tasks such as file system, network, and account troubleshooting • Responsible for provisioning virtual and physical servers or workstations • Administering systems using More ❯
London, South East, England, United Kingdom Hybrid / WFH Options
Client Server Ltd
tier/Russell Group university You have C/C++ coding skills You have a strong understanding of what's happening at low level including Networking and Operating Systems (HTTP, TCP/IP, multicast, UDP) You have good Linux knowledge including low level (Daemon, Kernel) You have the desire and aptitude to learn and innovate You're a collaborative team More ❯
optimising performance. Previous working knowledge ofpolicy creation and migration (URL filtering, access control, etc.). knowledgeof SSL decryption and inspection on proxy appliances. Strong understanding of TCP/IP, HTTP/S protocols, and other web-related traffic. Diversity: At Opticore IT we embrace diversity and are committed to equal opportunities. We actively recruit for an inclusive and diverse workforce More ❯
What we're looking for 4+ years work experience with back-end applications Solid understanding of Javascript Familiarity with Node.js Experience with TypeScript Good knowledge of web architecture (URIs, HTTP, Caching, etc) Proficiency in Git version control Familiarity with UNIX terminal Excellent knowledge of English language (verbal and written) Solid understanding of relational databases Preferred Qualifications Experience working with Knowledge More ❯
applications in Swift and Swift UI. Knowledge and understanding of modularisation, SPM and CocoaPods dependencies, and modern app architectures such as MVVM, MVP, and MVI. A solid understanding of HTTP and RESTful APIs, as well as an understanding of sockets. Knowledge of Test-Driven Development, Junit, Cucumber, XCTest and XCUITest with the ability to ensure a high level of both More ❯
Familiarity with CI tools and mobile pipelines • Ability to solve complex problems with clean, maintainable code • Experience with mobile performance, UX, and security • Good knowledge of REST APIs and HTTP • Bonus: native Android (Kotlin) or iOS (Swift) skills Bonus Points • Jenkins, Firebase Test Lab, or E2E tooling • Backend/API exposure • Community or open source contributions • Mentoring, blogging, or dev More ❯
methods. Knowledge of ServiceNow integration solutions including SSL, REST Web Services, LDAP, JDBC, ODBC, SOAP, SCP, FTPS, JSON. Knowledge of web technologies and networking including XML, HTML, AJAX, CSS, HTTP, TCP/IP, etc.). Compensation and Benefits: Salary Range:$170,000-200,000 (Compensation is determined by various factors, including but not limited to location, work experience, skills, education More ❯
for system operation, including account metrics reporting. Technologies and Tools: Web/Application Servers: IBM WebSphere, Apache/Tomcat, Oracle WebLogic Server, Microsoft IIS, Red Hat JBoss EAP, Oracle HTTP Server Middleware Technologies: JAVA, Microsoft XML Web Services (.NET) Scripting: Application Scripts, OS-Level Scripts Security & Auditing: Logging, auditing, access control, COOP architectures Qualifications: Required: Strong experience in enterprise-level More ❯
Leeds, West Yorkshire, United Kingdom Hybrid / WFH Options
FPSG
environments (Azure preferred) A deep understanding of the Salesforce Industries aka Vlocity, with experience supporting secure integration and development Strong knowledge of networking protocols (e.g. TCP/IP, UDP, HTTP/3) and cloud network architecture (VPNs, subnets, zones) Experience with API security and integration-related platforms such as Auth0 or API Gateways Proficiency with security tools including SAST (e.g. More ❯
and experience with industrial control systems and networks. In depth knowledge of networking devices such as Firewalls, Proxy servers, Routers, Switches, TAPs etc. In depth knowledge of networking protocols HTTP, VOIP, TCP/IP, NAT'ing etc. Good understanding of network cabling e.g. copper, fiber and their characteristics. Hold CCNA, CCNP, CCIE or similar Network/Security certification. Strong understanding More ❯
Manchester, North West, United Kingdom Hybrid / WFH Options
DWP Digital
and integration design tools, techniques and best practice. API Management: Experience in designing and implementing APIs (REST/JSON, SOAP/XML, GraphQL), including API lifecycle management, API gateways, HTTP transport and security such as mTLS, OIDC. Integration Technologies: Proficiency in integration platforms like Kong EE, ISITO, Envoy, IBM WebSphere. Messaging and Streaming Technologies: Experience with messaging and streaming protocols More ❯
Newcastle Upon Tyne, Tyne and Wear, North East, United Kingdom Hybrid / WFH Options
DWP Digital
and integration design tools, techniques and best practice. API Management: Experience in designing and implementing APIs (REST/JSON, SOAP/XML, GraphQL), including API lifecycle management, API gateways, HTTP transport and security such as mTLS, OIDC. Integration Technologies: Proficiency in integration platforms like Kong EE, ISITO, Envoy, IBM WebSphere. Messaging and Streaming Technologies: Experience with messaging and streaming protocols More ❯
sunderland, tyne and wear, north east england, united kingdom Hybrid / WFH Options
DWP Digital
and integration design tools, techniques and best practice. API Management: Experience in designing and implementing APIs (REST/JSON, SOAP/XML, GraphQL), including API lifecycle management, API gateways, HTTP transport and security such as mTLS, OIDC. Integration Technologies: Proficiency in integration platforms like Kong EE, ISITO, Envoy, IBM WebSphere. Messaging and Streaming Technologies: Experience with messaging and streaming protocols More ❯
in the use SOLID & OOP Experience of class library development for plugin architecture Experience of using a modern authorization protocol such as OAuth 2.0 Proficient in the use of HTTP Knowledge of HL7 v2 and FHIR R4 Experience of FHIR Firely API for accessing FHIR data Experience of using Microsoft Entra ID Experience of other aspects of our technology stack More ❯
SPAs, accessibility, design systems) Proven experience in database design and optimization (SQL, MongoDB, Supabase) Demonstrated ability in technical planning for large-scale applications and platforms Familiarity with web protocols (HTTP/RPC) and documentation formats (Swagger/OpenAPI) Practical experience using AI models to improve development efficiency Team We are a motivated team that enjoys creating solutions to problems-whether More ❯
Term Contract Must have hands on experience with scripting and executions using JMeter or BlazeMeter, Microfocus Load Runner/Performance center, Dynatrace and Splunk tools using different protocols like Http/Html, Web services, Citrix, Ajax Truclient etc. and learn/implement new tools as per project needs by conducting quick POCs. Must hold experience in ADMS and OMS applications More ❯
Web User Interfaces. Knowledge of React and event stream processing via Kafka/Flink. Strong technical understanding of System Architectures, Programming Interfaces and industry connectivity protocols such as FIX, HTTP, MQ, SFTP and SWIFT. Hands-on experience of product usage analytical tools. Ability to assess business processes, perform data analysis and succinctly communicate insights. Beneficial - a background in Capital markets More ❯
years of product management experience, with at least 1 year in a developer-focused product. Preferably within the martech or SaaS industry. Technical Fluency: Comfortable discussing architecture, GraphQL schemas, HTTP caching, and React-based tooling with engineers. Experience with front-end technologies and modern implementation frameworks is a strong plus. Customer Orientation: Deep empathy for developers and implementers. You've More ❯
Senior Software Engineer at Performativ, you'll lead the design and implementation of robust, high-throughput APIs and backend systems. Everything we build is grounded in open web standards -HTTP, JSON, webhooks, OpenAPI -and built for scale, reliability, and clear interoperability. You'll work on the core systems that power mission-critical financial infrastructure for institutions across Europe. What you … ll do Design and implement modern, standards-based APIs using REST and OpenAPI specifications Build scalable backend systems that handle millions of HTTP/JSON transactions daily with low latency Develop and maintain secure, event-driven integrations via webhooks and callback mechanisms Lead the backend design of new products and services, ensuring interoperability and long-term maintainability Optimize for resilience … API platform What we're looking for 10+ years of backend engineering experience, with a strong focus on API development and integration Deep understanding of open web standards including HTTP, JSON, webhooks, and OpenAPI Track record of building reliable, low-latency systems at scale handling millions of daily API calls Experience with backend languages like Go, TypeScript (Node.js), Python, or More ❯
Android Fundamentals: Expertise in permissions, manifests, services, exported activities, and Dalvik/ART VM. Reverse Engineering Tools: Proficiency with decompilers (JADX, Ghidra), disassemblers (Smali), debugging tools (ADB, JDWP), and HTTP interception tools (BurpSuite, HTTP Toolkit). Cryptography and Encoding: Knowledge of Base64 encoding, encryption/decryption methodologies, and CyberChef. Networking: Understanding of protocols like HTTP and TCP/IP. Problem More ❯
Atlanta, Georgia, United States Hybrid / WFH Options
City of Atlanta
Windows Defender, Proofpoint, and Qualys Ability to Script Advanced knowledge of Unix, Linux, Windows and operating systems Advanced knowledge of networking protocols and services such as the following: FTP, HTTP, SSH, SMB, LDAP, etc. Packet analysis tools (tcpdump, Wireshark, ngrep, etc.) Experience as a network intrusion analyst Licensures and Certifications The following certifications are preferred: GCIA, GPEN, GWAPT, GCIH, GSEC … Windows Defender, Proofpoint, and Qualys Ability to Script Advanced knowledge of Unix, Linux, Windows and operating systems Advanced knowledge of networking protocols and services such as the following: FTP, HTTP, SSH, SMB, LDAP, etc. Packet analysis tools (tcpdump, Wireshark, ngrep, etc.) Experience as a network intrusion analyst Licensures and Certifications The following certifications are preferred: GCIA, GPEN, GWAPT, GCIH, GSEC More ❯