Freelance Senior iOS Developer (Apple Ecosystem) - Software - Remote Daily rate: £350 - £450 (inside IR35) Duration: 3 months Start: ASAP My client is looking for a highly skilled and experienced Senior iOS Developer to join our team on a freelance basis. You will be responsible for designing, developing, and maintaining advanced applications for the iOS platform. You should have a deep understanding of the Apple ecosystem, from iPhones and iPads to watchOS and iOS frameworks, and a strong grasp of best practices in mobile architecture, user experience, and code quality. This role is ideal for a proactive and self-motivated developer who thrives in a remote, collaborative environment and can independently drive projects to completion. Key Responsibilities Develop and maintain iOS applications using Swift and Objective-C Collaborate with product managers, designers, and other developers to define, design, and ship new features Write clean, scalable, and maintainable code following Apple's Human Interface Guidelines Identify and fix bugs and performance bottlenecks Integrate with RESTful APIs and third-party libraries/services Ensure the performance, quality, and responsiveness of applications Participate in code reviews and contribute to continuous improvement of development processes Stay up to date with the latest iOS development trends and technologies Required Skills & Qualifications 5+ years of professional iOS development experience Expert-level knowledge of Swift and strong experience with Objective-C Deep understanding of UIKit, CoreData, CoreAnimation, CoreLocation, AVFoundation, and other native frameworks Strong knowledge of Xcode, debugging tools, and performance optimization Experience with modern architectural patterns such as MVVM, VIPER, or Clean Architecture Familiarity with SwiftUI and Combine is a plus Strong understanding of Apple's design principles and interface guidelines Experience integrating with APIs, Firebase, and third-party SDKs Familiarity with Unit Testing, UI Testing, and CI/CD pipelines Comfortable working independently and managing time across multiple priorities Preferred Qualifications Published one or more iOS apps in the App Store Experience with other Apple platforms (eg, watchOS, tvOS, macOS) is a bonus Experience in agile or scrum development environments Familiarity with Git, Jira, and project collaboration tools *Rates depend on experience and client requirements
01/07/2025
Project-based
Freelance Senior iOS Developer (Apple Ecosystem) - Software - Remote Daily rate: £350 - £450 (inside IR35) Duration: 3 months Start: ASAP My client is looking for a highly skilled and experienced Senior iOS Developer to join our team on a freelance basis. You will be responsible for designing, developing, and maintaining advanced applications for the iOS platform. You should have a deep understanding of the Apple ecosystem, from iPhones and iPads to watchOS and iOS frameworks, and a strong grasp of best practices in mobile architecture, user experience, and code quality. This role is ideal for a proactive and self-motivated developer who thrives in a remote, collaborative environment and can independently drive projects to completion. Key Responsibilities Develop and maintain iOS applications using Swift and Objective-C Collaborate with product managers, designers, and other developers to define, design, and ship new features Write clean, scalable, and maintainable code following Apple's Human Interface Guidelines Identify and fix bugs and performance bottlenecks Integrate with RESTful APIs and third-party libraries/services Ensure the performance, quality, and responsiveness of applications Participate in code reviews and contribute to continuous improvement of development processes Stay up to date with the latest iOS development trends and technologies Required Skills & Qualifications 5+ years of professional iOS development experience Expert-level knowledge of Swift and strong experience with Objective-C Deep understanding of UIKit, CoreData, CoreAnimation, CoreLocation, AVFoundation, and other native frameworks Strong knowledge of Xcode, debugging tools, and performance optimization Experience with modern architectural patterns such as MVVM, VIPER, or Clean Architecture Familiarity with SwiftUI and Combine is a plus Strong understanding of Apple's design principles and interface guidelines Experience integrating with APIs, Firebase, and third-party SDKs Familiarity with Unit Testing, UI Testing, and CI/CD pipelines Comfortable working independently and managing time across multiple priorities Preferred Qualifications Published one or more iOS apps in the App Store Experience with other Apple platforms (eg, watchOS, tvOS, macOS) is a bonus Experience in agile or scrum development environments Familiarity with Git, Jira, and project collaboration tools *Rates depend on experience and client requirements
Job Title: Endur Technical Architect Location: Hybrid - 3 days per week on-site in Canary Wharf Start Date: ASAP Contract Duration: Until 31st December 2025 (with potential extension) Contract - Inside IR35 Join GlobalLogic as an Endur Technical Architect We are seeking a highly experienced Endur Technical Architect to join GlobalLogic on an exciting project with one of our large enterprise clients in the energy trading domain. This is a unique opportunity to shape the architecture of a next-generation trading platform, leveraging modern technologies and driving forward digital transformation in the industry. In this role, you will work closely with subject matter experts, product owners, technical leads, designers, and fellow architects to re-architect and design innovative solutions aligned with both business and technology strategies. A deep understanding of energy trading and risk management processes across front, middle, and Back Office functions-particularly within physical trading-is essential. Your Responsibilities: Design and document the architecture of bespoke, modern energy trading systems. Lead functional and technical requirement gathering, analysis, and architectural design. Serve as a thought leader and advisor throughout delivery and design reviews. Communicate effectively across stakeholders, business functions, vendors, and consulting teams. Manage business change and stakeholder expectations with clarity and confidence. Contribute to the architectural evolution of a trading platform supporting complex portfolios and optimization challenges. Must-Have Technical Skills: Microservices architecture & technologies Cloud hosting (AWS) Infrastructure as Code (Terraform) DevOps toolchain (CI/CD, Git, Ansible) Must-Have Functional Experience: Full life cycle experience in physical energy trading Exposure to Power and/or Gas markets Key Skills & Experience Required: Functional Expertise: Strong understanding of physical energy trading (preferably Gas and/or Power). Experience with complex contract optionality , portfolio management , and schedule optimization . Knowledge of deal life cycle and options modelling . Familiarity with dependency graphs in trading environments. Architectural & Technical Competencies: Proven experience designing architectures across: Data Architecture - Transactional and analytical data modelling, Real Time reporting, MongoDB, data migration, reconciliation. Technical Architecture - Hands-on with C#/Java, microservices, containerization (Docker, OpenShift, Kubernetes), React, AWS, Terraform. Integration - Expertise in Real Time messaging (eg, AMQ), API design (JSON, Swagger), and batch processes. Infrastructure & Operations - DevOps practices, CI/CD pipelines, Git, Ansible, cloud elasticity, cost optimization, and grid computing. Delivery Approach: Deep familiarity with Agile methodologies . Capable of working autonomously or as part of a small, high-performing team. Strong analytical mindset with a proactive approach to problem-solving. Effective communicator, both written and verbal, with an ability to explain complex concepts to diverse audiences. About GlobalLogic GlobalLogic, a Hitachi Group Company, is a leader in digital engineering and product development services. We partner with top-tier clients across industries-including finance, telecoms, healthcare, and automotive-to design and build innovative digital platforms and experiences. Our teams combine deep technical expertise with seamless delivery to solve complex challenges, modernise Legacy systems, and accelerate digital transformation. With a strong focus on cloud, data, AI, and Embedded technologies, GlobalLogic UK&I offers a dynamic environment where engineers, architects, and consultants collaborate on cutting-edge projects that make a real-world impact. Join us to shape the future of digital innovation-right here in the UK and beyond.
30/06/2025
Project-based
Job Title: Endur Technical Architect Location: Hybrid - 3 days per week on-site in Canary Wharf Start Date: ASAP Contract Duration: Until 31st December 2025 (with potential extension) Contract - Inside IR35 Join GlobalLogic as an Endur Technical Architect We are seeking a highly experienced Endur Technical Architect to join GlobalLogic on an exciting project with one of our large enterprise clients in the energy trading domain. This is a unique opportunity to shape the architecture of a next-generation trading platform, leveraging modern technologies and driving forward digital transformation in the industry. In this role, you will work closely with subject matter experts, product owners, technical leads, designers, and fellow architects to re-architect and design innovative solutions aligned with both business and technology strategies. A deep understanding of energy trading and risk management processes across front, middle, and Back Office functions-particularly within physical trading-is essential. Your Responsibilities: Design and document the architecture of bespoke, modern energy trading systems. Lead functional and technical requirement gathering, analysis, and architectural design. Serve as a thought leader and advisor throughout delivery and design reviews. Communicate effectively across stakeholders, business functions, vendors, and consulting teams. Manage business change and stakeholder expectations with clarity and confidence. Contribute to the architectural evolution of a trading platform supporting complex portfolios and optimization challenges. Must-Have Technical Skills: Microservices architecture & technologies Cloud hosting (AWS) Infrastructure as Code (Terraform) DevOps toolchain (CI/CD, Git, Ansible) Must-Have Functional Experience: Full life cycle experience in physical energy trading Exposure to Power and/or Gas markets Key Skills & Experience Required: Functional Expertise: Strong understanding of physical energy trading (preferably Gas and/or Power). Experience with complex contract optionality , portfolio management , and schedule optimization . Knowledge of deal life cycle and options modelling . Familiarity with dependency graphs in trading environments. Architectural & Technical Competencies: Proven experience designing architectures across: Data Architecture - Transactional and analytical data modelling, Real Time reporting, MongoDB, data migration, reconciliation. Technical Architecture - Hands-on with C#/Java, microservices, containerization (Docker, OpenShift, Kubernetes), React, AWS, Terraform. Integration - Expertise in Real Time messaging (eg, AMQ), API design (JSON, Swagger), and batch processes. Infrastructure & Operations - DevOps practices, CI/CD pipelines, Git, Ansible, cloud elasticity, cost optimization, and grid computing. Delivery Approach: Deep familiarity with Agile methodologies . Capable of working autonomously or as part of a small, high-performing team. Strong analytical mindset with a proactive approach to problem-solving. Effective communicator, both written and verbal, with an ability to explain complex concepts to diverse audiences. About GlobalLogic GlobalLogic, a Hitachi Group Company, is a leader in digital engineering and product development services. We partner with top-tier clients across industries-including finance, telecoms, healthcare, and automotive-to design and build innovative digital platforms and experiences. Our teams combine deep technical expertise with seamless delivery to solve complex challenges, modernise Legacy systems, and accelerate digital transformation. With a strong focus on cloud, data, AI, and Embedded technologies, GlobalLogic UK&I offers a dynamic environment where engineers, architects, and consultants collaborate on cutting-edge projects that make a real-world impact. Join us to shape the future of digital innovation-right here in the UK and beyond.
Network Design Specialist - RAN & E2E Performance Three days onsite in Bristol/Start: ASAP/3 months contract + possible extension Inside IR35 Your key accountabilities within the RAN & E2E Performance domain are: Experties in UE log analysis, Wire shark tracing and E2E analysis. Act as a lead for Capacity related evenets. Indentifying the root cause and define measures to improve underperforming KPIs Analysing Drive Test logs and Network protocol traces for underperformance & defects in ESN PTT over SRTP. Investigate detected and reported Systematic issues within this element of the ESN Service. Performance root cause analysis using multiple sources of data primarily from: UE Application events/L1/L2/L3 information Drive Test UE logs/Wireshark covering OSI L1-L7. but also from: ENodeB and CN protocol analysis. 3rd Party OTT (Over The Top) protocol traces. Coverage data. Capacity data. OSS performance data Change logs. Outline and ensure peer teams capture and deliver RAN Design & Performance team requirements in their deliverables. Technical Expertise: Expert knowledge of UE logs analysis Expert understanding of Acuver UE logging tools. In depth knowledge of Mobile networks particularly 4G & Public Safety functionality over LTE with particularly deep understanding design and operation. In depth knowledge of LTE & SIP signalling, PTT (push to talk), SRTP/DTLS troubleshooting & Optimisation. Excellent understanding of Nokia and Ericsson RAN products. Good understanding of 3GPP & ETSI specifications. Good understding of DTLS/SRTP protols. Extensive experience in mobile telecommunications industry in the role of a lead designer with business-critical, high-availability/high-throughput systems and networks. Able to provide technical solutions, processes definition for network performance & optimisation of 4G based RAN Macro network. Proven experience in defining and understanding KPI definitions, formula and measurements of radio networks Able to analyse in depth, drive test logs, wireshark traces and protocol analysers traces for 4G networks Good Knowledge of LTE parameters & timers. Familiarity with test software & devices (Nemo/TEMs/Accuver) & post processing tools (Actix). Experience of working with 3rd parties network/IT Suppliers. Experience of Nokia RAN.
30/06/2025
Project-based
Network Design Specialist - RAN & E2E Performance Three days onsite in Bristol/Start: ASAP/3 months contract + possible extension Inside IR35 Your key accountabilities within the RAN & E2E Performance domain are: Experties in UE log analysis, Wire shark tracing and E2E analysis. Act as a lead for Capacity related evenets. Indentifying the root cause and define measures to improve underperforming KPIs Analysing Drive Test logs and Network protocol traces for underperformance & defects in ESN PTT over SRTP. Investigate detected and reported Systematic issues within this element of the ESN Service. Performance root cause analysis using multiple sources of data primarily from: UE Application events/L1/L2/L3 information Drive Test UE logs/Wireshark covering OSI L1-L7. but also from: ENodeB and CN protocol analysis. 3rd Party OTT (Over The Top) protocol traces. Coverage data. Capacity data. OSS performance data Change logs. Outline and ensure peer teams capture and deliver RAN Design & Performance team requirements in their deliverables. Technical Expertise: Expert knowledge of UE logs analysis Expert understanding of Acuver UE logging tools. In depth knowledge of Mobile networks particularly 4G & Public Safety functionality over LTE with particularly deep understanding design and operation. In depth knowledge of LTE & SIP signalling, PTT (push to talk), SRTP/DTLS troubleshooting & Optimisation. Excellent understanding of Nokia and Ericsson RAN products. Good understanding of 3GPP & ETSI specifications. Good understding of DTLS/SRTP protols. Extensive experience in mobile telecommunications industry in the role of a lead designer with business-critical, high-availability/high-throughput systems and networks. Able to provide technical solutions, processes definition for network performance & optimisation of 4G based RAN Macro network. Proven experience in defining and understanding KPI definitions, formula and measurements of radio networks Able to analyse in depth, drive test logs, wireshark traces and protocol analysers traces for 4G networks Good Knowledge of LTE parameters & timers. Familiarity with test software & devices (Nemo/TEMs/Accuver) & post processing tools (Actix). Experience of working with 3rd parties network/IT Suppliers. Experience of Nokia RAN.
Job Description: Ruby Developer £500-£550 per a day - Inside IR35 3-6 Month Contract Remote Working We are seeking an experienced Ruby Developer to join our growing government clients. This is an excellent opportunity to contribute to significant projects, working on complex systems and delivering high-quality solutions. Key Responsibilities: Design, develop, and maintain high-performance, scalable applications using Ruby on Rails. Build and integrate robust APIs, ensuring seamless communication between various systems. Collaborate closely with cross-functional teams, including product managers, designers, and other developers, to define, design, and ship new features. Write clean, maintainable, and efficient code, following best practices and coding standards. Participate in code reviews, contributing to a culture of continuous improvement. Troubleshoot, debug, and upgrade existing systems. Contribute to the entire application life cycle, focusing on coding, debugging, and testing. Essential Skills and Experience: Strong commercial experience as a Ruby Developer, with a proven track record of delivering complex projects. Demonstrable strong experience working on APIs, including design, development, and integration (RESTful, GraphQL). Proficiency in Node.js for specific Back End services and tooling. Solid understanding of JavaScript for Front End integration and broader development needs. Experience with relational databases (eg, PostgreSQL, MySQL). Familiarity with version control systems (eg, Git). Understanding of agile development methodologies. SC Clearance or Eligibility for SC Clearance is mandatory for this role. You must either hold current SC clearance or be willing and able to undergo the vetting process. £ 525.00/day Talent International UK and it's subsidiaries, Digital Gurus, Infinite Talent and Rethink act as an employment agency for permanent recruitment and employment business for the supply of temporary workers. By applying for this opportunity, you accept the TandC's, Privacy Policy and Disclaimers which can be found on our website
25/06/2025
Project-based
Job Description: Ruby Developer £500-£550 per a day - Inside IR35 3-6 Month Contract Remote Working We are seeking an experienced Ruby Developer to join our growing government clients. This is an excellent opportunity to contribute to significant projects, working on complex systems and delivering high-quality solutions. Key Responsibilities: Design, develop, and maintain high-performance, scalable applications using Ruby on Rails. Build and integrate robust APIs, ensuring seamless communication between various systems. Collaborate closely with cross-functional teams, including product managers, designers, and other developers, to define, design, and ship new features. Write clean, maintainable, and efficient code, following best practices and coding standards. Participate in code reviews, contributing to a culture of continuous improvement. Troubleshoot, debug, and upgrade existing systems. Contribute to the entire application life cycle, focusing on coding, debugging, and testing. Essential Skills and Experience: Strong commercial experience as a Ruby Developer, with a proven track record of delivering complex projects. Demonstrable strong experience working on APIs, including design, development, and integration (RESTful, GraphQL). Proficiency in Node.js for specific Back End services and tooling. Solid understanding of JavaScript for Front End integration and broader development needs. Experience with relational databases (eg, PostgreSQL, MySQL). Familiarity with version control systems (eg, Git). Understanding of agile development methodologies. SC Clearance or Eligibility for SC Clearance is mandatory for this role. You must either hold current SC clearance or be willing and able to undergo the vetting process. £ 525.00/day Talent International UK and it's subsidiaries, Digital Gurus, Infinite Talent and Rethink act as an employment agency for permanent recruitment and employment business for the supply of temporary workers. By applying for this opportunity, you accept the TandC's, Privacy Policy and Disclaimers which can be found on our website
Interaction Designer - 6 month contract - £400-£500 per day - Inside IR35 I have partnered with a public sector consultancy who are looking for a number of Service Designers to support on a new greenfield project. You will need to have strong GDS and Gov UCD experience and have active SC Clearance. Interviews for these roles are starting ASAP! Skills: Service Designer GDS experience Gov UCD Active SC Clearance Interaction Designer - 6 month contract - £400-£500 per day - Inside IR35
25/06/2025
Project-based
Interaction Designer - 6 month contract - £400-£500 per day - Inside IR35 I have partnered with a public sector consultancy who are looking for a number of Service Designers to support on a new greenfield project. You will need to have strong GDS and Gov UCD experience and have active SC Clearance. Interviews for these roles are starting ASAP! Skills: Service Designer GDS experience Gov UCD Active SC Clearance Interaction Designer - 6 month contract - £400-£500 per day - Inside IR35
