Hypervolt

Hypervolt is seeking an experienced software developer to lead the development of its mobile apps in Flutter. This role requires a strong background in professional software development, particularly in a startup environment, and a passion for creating beautiful, intuitive UI/UX. The successful candidate will collaborate with cross-functional teams and make critical decisions regarding code structure and performance. The position offers a competitive salary with generous stock options and follows a hybrid working policy, requiring 3 days a week in the office.

Hypervolt is at the forefront of the electric vehicle charging revolution, dedicated to providing innovative and reliable EV charging solutions. We launched in 2021 with the bold ambition to transform the EV charging space through a relentless focus on the customer experience, great software, and beautifully designed British hardware. In a short timeframe, we became Trustpilot's highest rated EV charging manufacturer in the industry. We are proud to have been named the third fastest growing company in the UK, as part of the Deloitte Fast 50, and 6th fastest growing company in EMEA, as part of the Deloitte Fast 500. Additionally, Hypervolt was voted DrivingElectric's Home EV Charger of the Year 2023 & 2024, a testament to our focus on innovation and democratising EV ownership. What You'll Do Own the Flutter Experience: Lead development and enhancements of Hypervolt's mobile apps in Flutter, pushing the boundaries of performance and design. Collaborate & Innovate: Work closely with product, design, and QA teams to build features that reflect our commitment to beautiful, intuitive UI/UX. Architect for Scale: Make impactful decisions about code structure, performance optimization, and best practices as we expand our global user base. Startup Mindset: Thrive in an environment that values speed, autonomy, and proactive problem solving. Mentor & Lead: Guide junior developers, contribute to architectural discussions, and champion best practices across the codebase. Projects You'll Work On Mobile & iPad App: Creating and refining a smooth, intuitive user experience for EV owners. Desktop App: Bringing powerful tools and features to a native desktop environment. Web App: Delivering a sleek, responsive interface that serves a broad user base online. In House Service Portal: Supporting our service and support teams with efficient, user centric tools. Fleet Application & Dashboard: Powering commercial fleet managers with real time data and intelligent analytics. What We're Looking For Experience at the Highest Level of Professional Software Development: We want "super hardcore" developers who excel at solving tough technical challenges, writing clean, efficient code, and delivering reliable features under demanding conditions. Startup Background: Previous experience in a startup environment is highly desired. You should be comfortable operating with less structure and support than in a large corporate setting, taking full ownership and initiative. Consumer Facing Applications: A proven track record of launching and maintaining products at scale (experience with large scale consumer tech is a plus). Passion for UI/UX: We obsess over the details. A keen eye for design and a desire to create beautiful, intuitive user experiences is central to everything we do. Fast Growing Environment: Ability to thrive in a rapidly scaling, fast paced company, balancing multiple priorities and projects at once. Competitive Salary & Generous Stock Options: Be rewarded for helping us grow and succeed. Hybrid Working Policy: 3 days a week in our prime offices in Azca, Madrid, and flexibility to work from home otherwise. Diverse International Environment: English is the main company language, and our team is spread across different countries and cultures. Professional Growth: Opportunities for career advancement and development within a fast growing company. Inclusive Environment: Join a diverse, inclusive team that values collaboration and innovation.

UltraGrid UltraGrid is the core engine behind Hypervolt's applications. It is a soft real time mechanism for controlling and monitoring distributed energy assets, streaming over 100,000 events per day from each connected node. Designed for sub second, multi gigawatt grid balancing, UltraGrid is built to be a critical component of a nation's energy security. We are looking for senior software engineers to join our experienced team and build mission critical infrastructure, working on streaming, networking, storage, and other facets of the system with an extreme focus on cost and performance. Responsibilities You will be working on streaming, networking, storage, and other facets of the system, with an extreme focus on cost and performance. Qualifications Extensive Experience & Technical Mastery 10+ years of professional software development experience, focusing on architecting, optimizing, and delivering performance critical systems. Deep expertise in Java, Scala and the JDK. Proficiency in Rust is a bonus. Experience with NixOS is considered a huge plus. Performance Engineering Excellence Proven ability to diagnose, profile, and optimize complex systems using advanced performance analysis tools and methodologies. Experience tuning multi threaded and parallel computing environments, managing concurrency, and applying lock free designs for efficient resource utilization. Familiarity with performance engineering technologies and low cost always on profiling, metrics and observability. Extensive understanding of foundational computer science principles, data structures, and algorithms. Extensive understanding of networking and fundamental building blocks of the Internet. Firm grasp of distributed consensus algorithms and their practical applications in building scalable, reliable systems. Innovative Problem Solving & Mentorship Exceptional analytical skills to identify and resolve intricate performance bottlenecks in production level systems. Experience driving technical excellence and fostering a culture of continuous improvement. Excellent communication skills with the ability to articulate complex technical concepts to technical and non technical stakeholders. Proven success collaborating with cross functional teams, including close partnerships with SREs and automation specialists in fast paced, dynamic environments. Educational Background A Bachelor's degree in Computer Science, Engineering or a related field or equivalent industry experience. Advanced degrees or relevant certifications are a plus. A PhD in computer science or an interest in performance engineering and distributed consensus algorithms is a big bonus. Bonus Qualifications Previous experience contributing to a mainstream Apache project, preferably involving the JDK. Prior work in a performance engineering environment at leading tech companies such as Netflix or Twitter. Strong experience working with resource right sizing and developing deeply cost optimised code. Previous experience working on a core database engine, such as building a database from the ground up. You enjoy reading and writing academic computer science papers and have a list of favourites if queried by the team. You're not worried about AI code completion taking your job anytime soon. Benefits Competitive Compensation Stock options: Series D level equity with a track record of profitability. Comprehensive Coverage: Health, dental, vision plans, plus wellness and mental health support. Work Life Flexibility: Remote or office options with high output expectations and occasional unplanned overtime to ship features. Additional Perks: Company owned laptop with choice of Arch Linux distro. Innovative Environment: Culture that values exceptionally good software development.

Hypervolt is looking for senior software engineers to join their team in Greater London. The role focuses on developing mission-critical infrastructure and optimizing performance across various systems. Candidates should have extensive software development experience, particularly in Java and Scala, with a strong grasp of performance engineering. Hypervolt offers competitive compensation, stock options, and comprehensive health coverage, with options for remote or on-site work.