Senior Jobs

If you want to make a true impact, we want you to join us at Ledger.At Ledger, we’re proud to be the global platform for digital assets and Web3, with over 20% of the world’s crypto assets secured through our Ledger devices. You will b...

Help us make a real impact on shaping a better, more sustainable future.Kraken CustomerWhat we do: build the most AI-driven, innovative, forward-thinking platform for energy management. From optimizing resources to delivering cost-effective, exceptional customer experiences through advanced Customer Information Systems (CIS), billing, meter data management, CRM, and AI-driven communications, Kraken is powering the next wave of innovation in the energy industry.Why we do it: future energy will not look like energy as we know it today.

[Industry: Software Development | Type: Full-time | Level: Mid-Senior level] Treasure DataAt Treasure Data, we’re on a mission to radically simplify how companies use data and AI to create connected customer experiences. Our intelligent customer data platform (CDP) drives revenue growth and operational efficiency across the enterprise to deliver powerful business outcomes.We are thrilled that Forrester has recognized Treasure Data as a Leader in The Forrester Wave™: Customer Data Platforms For B2C.

Our product development team operates collaboratively, with team members contributing to product and technical direction, process decisions, and execution. It is not intended to be an exhaustive list of all duties, responsibilities, or required skills.You will build and maintain first-class software used by numerous businesses.Make decisions based on multiple quality dimensions like user impact, failure tolerance, code maintenance, implementation time, security breaches, and performance.Mentor fellow teammates.Collaborate on novel ideas to improve the team processes.Lead initiatives.Care for and monitor the quality of our product.Raise awareness of technical issues.Develop a clear understanding of business value and collaborate with stakeholders by analyzing features and suggesting alternatives.Proactively identify technical debt and product areas that require attention or improvements and suggest improvements in our technology stack.Bring up difficult and/or systemic challenges and impediments to the attention of your manager.In the first week, expect to:Meet your team members.Get acquainted with our technical stack.Learn about our architecture and the development process.In the first...

[Industry: Technology, Information and Internet | Type: Full-time | Level: Mid-Senior level] Job DescriptionWe are looking for aSenior Frontend Engineerto join our growing engineering team. You’ll play a critical part in shaping both the technical architecture and the engineering culture.What You’ll DoDesign, build, and optimize scalable frontend applications using modern JavaScript/TypeScript frameworks (React or similar).Collaborate with designers and product managers to translate requirements and wireframes into high-quality, performant code.Ensure accessibility, usability, and responsiveness across devices and browsers.Champion best practices in code quality, testing, performance, and CI/CD automation.Mentor and support junior and mid-level engineers through code reviews, pair programming, and knowledge sharing.Partner with backend teams to define APIs and data contracts.Drive technical decisions around architecture, tooling, and frontend standards.Monitor and improve application performance, scalability, and reliability.What We’re Looking For5+ years of professional frontend development experience.Strong proficiency in JavaScript, TypeScript, HTML5, CSS3, and modern frameworks (React preferred).Hands-on experience with state management (Redux, MobX, Recoil, or similar).Solid understanding of REST APIs, GraphQL, and modern web application architecture.Experience with testing frameworks (Jest, React Testing Library, Cypress, etc.).Familiarity with build systems and tooling (Webpack, Vite, Babel, etc.).Knowledge of web performance optimization and accessibility standards (WCAG).Excellent communication skills and a collaborative mindset.Experience in mentoring or leading engineers is a plus.

Lensa partners with DirectEmployers to promote this job for General Dynamics Information Technology. You will translate Figma designs into responsive React components, ensure compliance with federal accessibility standards, and collaborate with backend and DevOps teams to deliver a secure, user-friendly portal experience.This role requires expertise in React, modern JavaScript/TypeScript, and UI development within a FedRAMP/HIPAA-compliant environment.ResponsibilitiesBuild and maintain responsive React front-end applications that integrate with Azure APIM and Functions.Translate Figma design mockups and wireframes into pixel-perfect, production-ready code.Ensure accessibility and usability compliance with Section 508 standards.Apply U.S.

[Industry: Technology, Information and Media | Type: Full-time | Level: Mid-Senior level] Senior Front‑end Developer | Glasgow (Edinburgh considered)💷 £60–70k + excellent benefits | 2 days hybrid in‑office✨ Lead the Front‑end VisionOwn the UX and front‑end experience across high‑impact digital products. Two days per week in the office to collaborate, spark ideas, and move fast as a team.Skills:Strong front‑end development experience usingAngular,TypeScript,NgRx, andRxJSfor building responsive, client‑facing applicationsProven ability todevelop user‑facing features and intuitive UIs, ensuring high‑quality experiences across devices and user journeysSkilled in collaborating withinmultidisciplinary teams, working closely with design, product, and engineering to deliver cohesive user experiencesComfortable working onmeaningful, complex user problems at scale, contributing to solutions that improve usability and client engagementExperience integrating front‑end features withRESTful APIs, ensuring smooth data flow and consistent user interactionsStrong understanding ofobject‑oriented design principles, enabling maintainable and scalable UI architecturesFamiliarity withtest‑drivenandbehaviour‑driven developmentto ensure reliable, predictable front‑end behaviour and improved user experience qualityThis role offers a start-up like environment, working in a new division, which is backed by an enterprise level corporate that has been in business for over 100 years.Apply now for more information and a confidential discussion!

[Applicants: Be among the first 25 applicants | Industry: Software Development and IT Services and IT Consulting | Type: Contract | Level: Mid-Senior level] Our company description:Mission is a platform for hiring, vetting and managing software development talents. In parallel, the company provides its technology to external partners via a B2B, white-label travel and fintech platform.This travel company is looking for a Senior Frontend Engineer to help build and scale a world-class travel portal used by customers and internal teams.

[Applicants: Over 200 applicants | Industry: Hospitals and Health Care, Software Development, and Engineering Services | Type: Full-time | Level: Mid-Senior level] Position:Senior-Level Full Stack Engineer (Frontend Focus)Reporting to:CEO (Hire Ami Ltd)Contract type:Full time, Permanent, Hybrid LondonAbout Ami AI:Born out of the UK's fastest-growing tech-enabled talent acquisition platform dedicated to the health and social care sector, we operate a suite of proprietary AI agents that interviews, compliance checks and proactively supports frontline workers in their critical roles. You’ll play a key role in developing scalable, user-focused AI solutions to turbo charge volume hiring in critical sectors.

At Amozmeta, our mission is to help businesses stay ahead of the competition and realize their full digital potential.Role DescriptionThis is a full-time on-site Senior Frontend Developer role based in Delhi, OH. The Senior Frontend Developer will be responsible for designing and implementing user-facing features, optimizing web applications for maximum speed and scalability, collaborating with backend developers, and ensuring high-quality user experiences.

You will be working in a team environment with 3 other flutter developers, supported by a .Net backend team. We’re looking for a Flutter Developer to join the rapidly growing team of our partner within a dynamic digital asset environment, known for its expertise and commitment to security and innovation.