Lead Senior React Native Engineer

About MILEMILE is an exclusive shopping platform revolutionizing the luxury retail experience. We provide our members access to a carefully curated, timeless collection of the most coveted products from prestigious fashion labels, all at incredible prices. By merging technology with fashion, MILE ensures a seamless and elevated shopping journey for both shop…

Join Egis Group as a Senior Authorized Protection Commissioning Engineer, where you will play a crucial role in ensuring the safety and efficiency of our projects. You will be responsible for overseeing the commissioning of protection systems, ensuring compliance with industry standards, and collaborating with multidisciplinary teams to deliver exceptional results.

Join our dynamic team at Turner Townsend as a Senior Planning Engineer specializing in Industrial & Manufacturing. In this role, you will leverage your expertise to drive project planning and execution, ensuring that our projects are delivered on time and within budget. You will collaborate closely with cross-functional teams to develop detailed project schedules, manage resources effectively, and mitigate risks.

Join Us as a Senior QA Engineer — iOS & Mobile AutomationAre you an outstanding Senior QA Engineer with a passion for automated testing on iOS? At hulcan, we are seeking a talented individual who can develop Detox and XCUITest suites from the ground up, tackle grey-box synchronization challenges, and innovate a testing infrastructure that proactively prevents regressions. You will take charge of QA for our mobile platforms (React Native / iOS & Android), web (React), and backend (API) services, setting the gold standard for confident engineering deployments.Your ResponsibilitiesDesign and maintain comprehensive automated test suites for iOS (Detox, XCUITest), Android, web (Playwright/Cypress), and REST APIs, ensuring thorough coverage from start to finish.Develop iOS automation tests that cover complex scenarios beyond basic flows: including charge failures, 3DS challenges, subscription edge cases, deep-link state initialization, and Keychain/AsyncStorage configuration.Create and sustain a reliable test infrastructure for payment scenarios (utilizing Stripe test mode, WireMock fixtures, and sequential email generation) to mitigate false positives across concurrent CI runners.Set up and manage GitHub Actions / Bitrise pipelines that initiate specific iOS simulator versions, execute suites in parallel, and capture video artifacts upon failure.Collaborate effectively with engineering, product, and design teams to establish testability requirements prior to feature development.Define and document QA best practices, including contract testing (Pact/JSON Schema), flake quarantine policies, API response validation, and conventions for mocking across the stack.Oversee the bug lifecycle from identification to resolution, drafting precise technical documentation for low-level issues (API payloads, native bridge call stacks, timing traces).Champion CI/CD integration to ensure that automated tests gate every PR and release, reporting flake rates for each test over time.Your Profile7+ years of experience in software QA, primarily focused on mobile platforms, specifically iOS automated testing.Extensive hands-on experience with Detox, including grey-box idle detection, custom native module instrumentation, and debugging synchronization failures on iOS.Proficient in XCUITest, with a deep understanding of accessibility identifier strategies, launch argument injection, and Keychain seeding for state initialization.Experience testing React Native and React applications, with an understanding of how the bridge operates and fails, and the ability to spy on it without disrupting the network layer.Strong expertise in using mocks, stubs, and spies at the call-stack level, with the capability to articulate their appropriate applications and write precise, robust assertions against them.Proven track record in testing payment edge cases (card declines, capture failures, 3DS, network timeouts) predictably on both simulator and physical device CI.

Contract Duration: Until January 1, 2027Work Arrangement: HybridJoin our esteemed client in the Information Technology and Services sector as a Service Management Lead. In this pivotal role, you will oversee end-to-end service outcomes within the Service Management domain of a global banking technology setting. Your mission will be to enhance service performance, reliability, and resilience across technology functions, ensuring services are effectively managed, measurable, and subject to continuous improvement. This position demands exceptional analytical prowess, stakeholder collaboration, and leadership skills to convert intricate service data into actionable insights that align with strategic objectives.Key Responsibilities:Lead the Service Management domain encompassing Change Management, Service Configuration Management, Third-Party Service Management, and Service Level Management.Develop and sustain Service Management reporting and performance metrics across technology and executive teams.Utilize data-driven analysis to detect trends, risks, and opportunities for service enhancement.Represent Service Management in communities of practice and working groups to ensure alignment on best practices and priorities.Collaborate with technology and service teams to guarantee seamless integration of ITSM processes and solutions.Drive enhancements in third-party service management focusing on incident management and operational resilience.Establish actions, assign ownership, and set timelines for service improvements, ensuring successful execution to completion.Influence and coordinate cross-functional teams to achieve process enhancements and service outcomes.Support executive-level reporting and governance forums with concise updates on performance, risks, and decisions.Improve transparency regarding service health, readiness, and performance across technology domains.

Join Hollister as a Key Lead at our Meadowhall location, where you will play a pivotal role in delivering an exceptional shopping experience. You will lead a team of associates, drive sales, and ensure our brand’s values are represented throughout the store. Your leadership will foster a positive environment where all team members can thrive and contribute to our success.

Join our dynamic team at FRP Advisory as a B2B Lead Generation Telesales Operative. In this vital role, you will be responsible for generating leads and supporting our restructuring advisory department. Your contributions will directly impact our clients' success by identifying potential business opportunities and setting the stage for exciting engagements.

Occudental, part of Portman Dental Care, seeks a Practice Clinical Lead for its Sheffield location. This role sets clinical standards, guides staff growth, and contributes to a welcoming environment for patients and colleagues alike. Key responsibilities Direct clinical quality and safety throughout the practice Mentor and support members of the dental team Promote best practices to enhance patient care and outcomes Foster a positive, collaborative workplace culture Requirements Professional background in dentistry Demonstrated leadership and communication abilities Dedication to ongoing professional development Collaborative mindset for working with diverse teams This position offers the chance to influence clinical standards and patient experiences at a long-established Sheffield practice.

Portman Dental and Implant Clinic in Sheffield is seeking a Clinical Practice Lead to guide clinical operations and uphold patient care standards. This position plays a key role in shaping daily practice and ensuring that both patients and staff experience a high level of service. Main responsibilities Oversee the daily clinical activities within the clinic Promote and maintain strong standards of patient care Work closely with dentists, dental nurses, and support staff to coordinate effective service Encourage ongoing improvements and support a culture of clinical excellence Team environment The clinic emphasizes teamwork and values input from all staff members. Collaboration and innovation are encouraged, with a focus on professional growth and delivering quality dental services in Sheffield.

Join the award-winning team at Home Instead Care as a Lead Care Professional in Sheffield! We pride ourselves on providing exceptional care to our clients and are honored to have received the prestigious 5 Star Employer of the Year Award 2025. In this vital role, you will lead a dedicated team of care professionals, ensuring that our clients receive the highest quality of service with compassion and respect.

jobsforhumanity is looking for a Commissioning Engineer based in Sheffield. This role centers on managing the commissioning and validation phases for a range of engineering projects. Role overview The Commissioning Engineer will oversee the process of bringing engineering systems online, making sure they meet quality and safety requirements. The position involves working closely with project managers and technical staff to coordinate testing and ensure all systems function as intended before they are handed over. What you will do Supervise commissioning activities for engineering projects Validate that systems meet established quality and safety standards Work in partnership with project managers and technical teams Confirm all systems are tested and operational prior to project completion

Join a leading manufacturing company as a Design & Development Engineer in Sheffield. Collaborating closely with the Engineering Manager, you will play a crucial role in developing a portfolio of high-quality, technically advanced, and competitively priced products for the market. Candidates with prior experience in manufacturing or engineering environments are preferred. A methodical approach along with exceptional communication skills is essential for this position.

Join our dynamic team at Adler Allan as an Installation Engineer, where you'll be responsible for the installation, maintenance, and repair of cutting-edge systems. We are looking for a motivated individual who is passionate about technology and eager to learn. You will work closely with clients to ensure high-quality service delivery and contribute to innovative solutions that enhance operational efficiency.

Turner Townsend is seeking a highly skilled Senior Estimator - Infrastructure to join our dynamic team in Sheffield. As a leader in the construction consultancy sector, we pride ourselves on delivering exceptional results for our clients. In this role, you will leverage your expertise in estimating to provide precise and comprehensive cost assessments for infrastructure projects.

Join our dynamic team at Turner Townsend as an Engineering Manager specializing in Manufacturing. In this pivotal role, you will lead and manage engineering projects, ensuring quality and efficiency across all manufacturing processes. You will collaborate with cross-functional teams to drive innovation and optimize production workflows, contributing to the overall success of our operations.

Senior User ResearcherLocation: HybridAbout MethodsMethods Business and Digital Technology Limited is a leading IT Services Consultancy with a valuation exceeding £100M. We have established strong partnerships with various central government departments and agencies to revolutionize public sector operations in the UK. With over three decades of experience, our UK-based team excels in transformation, delivery, and collaboration, providing end-to-end business and technical solutions that prioritize people, safety, and future readiness.What distinguishes us from other consultancies is our human-centric approach. At Methods, we place people, technology, and data at the core of our operations, striving to create sustainable value for our clients, employees, communities, and the environment.We are committed to supporting our clients in achieving project success while fostering collaboration to share expertise and resolve challenges. At Methods, we believe in balancing hard work with enjoyment, embracing mistakes as opportunities for learning.While maintaining a strong focus on the public sector, Methods is actively expanding its portfolio in the private sector.Methods was acquired by the Alten Group in early 2022.Your RoleWe are seeking a passionate and experienced Senior User Researcher to join our dynamic team on a permanent basis. Your enthusiasm for understanding and advocating for users will be key in this role.You should have substantial experience conducting user research for products and services in a public sector context, upholding high ethical standards and demonstrating familiarity with government service standards and principles.Your Key Responsibilities Include:Collaborating with client product managers to develop targeted research strategies that yield actionable insights for product development.Working within a multidisciplinary team to incorporate colleagues in research and analysis processes.Championing user needs by effectively communicating their perspectives to inform the design of intuitive and accessible services.Aggregating, presenting, and validating conclusions from diverse and often incomplete data sets.Taking informed actions and making decisions amidst uncertainty.Evaluating data from various sources and recognizing when to enlist additional support from Methods.Identifying key issues within complex problems and clarifying stakeholder expectations to identify optimal solutions.Persuasively engaging with skeptical colleagues to foster understanding and alignment.

This position offers remote working, with occasional travel required to our claims operations office in Sheffield.About HomeprotectAt Homeprotect, we are driven by a unique mission: to offer comprehensive protection to individuals often overlooked by the traditional home insurance market.Our expertise lies in insuring those who seek to purchase or construct distinctive properties, those who wish to renovate, rent, or keep their homes unoccupied. We cater to individuals who travel frequently, operate businesses from home, or collect rare items. Our policies are designed to protect those who cherish their unique living spaces, whether they reside in listed buildings, enjoy picturesque river views, or love sunbathing on a flat roof.Leveraging advanced technology, we provide our customers with instant online quotes tailored to a wide spectrum of complex needs, complemented by our dedicated UK customer support teams who are always ready to assist when personal attention is required.Empowering hundreds of thousands of individuals to safeguard their homes and cherished belongings is our pride, but we won’t stop at being the top provider of 'non-standard' insurance. We believe every individual is unique and deserves home insurance tailored to their specific circumstances, a belief supported by our blend of human expertise and smart technology.Our promise is simple: regardless of who you are or where you live, with Homeprotect, you are covered.What It’s Like To Work HereOur team reflects the diverse backgrounds of our customers. We are a small, dynamic collective made up of insurance professionals, technologists, data scientists, and marketing experts from an array of industries. Each member contributes unique skills, a passion for innovation, and a shared goal of helping people protect their homes and belongings.We thrive in a fast-paced environment where change is the norm, yet we also understand the importance of work-life balance. That’s why we embrace hybrid and, in some cases, fully remote working arrangements, allowing our teams to choose their work locations and hours. We focus on the quality of work produced rather than where it is completed. While there are occasions when collaboration in person is beneficial, day-to-day, we trust our teams to make the best decisions regarding their work environments.Many companies claim to have a great culture, but at Homeprotect, our recognition as a Great Place to Work for seven consecutive years speaks volumes.If this sounds appealing, we invite you to explore the opportunity to join our team!

Join our dynamic team as a Senior Commercial Manager specializing in rail projects. In this pivotal role, you will lead and manage commercial activities, ensuring the successful delivery of projects while maximizing profitability. Your expertise will guide the team in navigating complex contracts and fostering relationships with key stakeholders.We seek an individual who thrives in a fast-paced environment and possesses exceptional negotiation and leadership skills.

Turner Townsend is seeking a highly skilled Senior Project Manager to lead our infrastructure projects in Sheffield. In this pivotal role, you will oversee the planning, execution, and delivery of key projects while ensuring they align with our strategic goals. You will work closely with clients and stakeholders to deliver exceptional results, manage project budgets, and mitigate risks effectively.The ideal candidate will possess strong leadership skills and a proven track record in project management within the infrastructure sector. You will be expected to foster a collaborative team environment while driving project success and enhancing client satisfaction.

Methods Business and Digital Technology LimitedFounded over 30 years ago, Methods is a leading IT services consultancy with a turnover exceeding £100M. We specialize in transforming public sector operations across the UK, partnering with various central government departments and agencies to drive meaningful change. Our focus on transformation, delivery, and collaboration allows us to create comprehensive business and technical solutions that prioritize people and future sustainability.What sets us apart is our human touch; we place people, technology, and data at the core of our operations. We are committed to generating value and ensuring sustainability in every project we undertake, benefiting our clients, employees, and communities alike.As we expand our portfolio into the private sector, we continue to uphold our fun and learning-oriented work culture while delivering exceptional results for our clients.Methods became part of the Alten Group in early 2022.