5 backend software engineer jobs found

Must have skills: Demonstrable experience with Solidity. Strong understanding of blockchain security practices and potential vulnerabilities. Proficiency in Hardhat and Foundry. Experience with Solidity security testing tools like Slither, Mythril, Echidna Practical experience with scripting languages like Javascript or Typescript. Ability to craft unit, integration, fork, and invariant tests, ensuring code longevity. Demonstrable aptitude for best development practices, data structures, algorithms, and methodologies. Bachelor's degree in Computer Science, Engineering, or a related STEM discipline. Excellent debugging and troubleshooting skills. Strong written and verbal communication skills. Self-motivated with the ability to work in a fast-paced, evolving environment. Proficient communication skills in English. Development background in sectors such as banking, finance, or trading, paired with a comprehensive grasp of financial instruments and systems. Bonus...

Senior Backend Engineer - Contractor (Outside of IR35) Senior Software Engineer – Java (Contract - Outside of IR35) Duration: 3 Months Plus Start Date: ASAP Day Rate: £400 - 500 per day   As a  Senior Software Engineer (Java) – Contractor  at Pulselive, you’ll be focused on delivering robust, high-performance backend services and APIs that power digital experiences for millions of sports fans globally. This role is ideal for an experienced, hands-on engineer with strong Java and Spring expertise who thrives in a collaborative and fast-paced delivery environment. You’ll work closely with cross-functional teams to build, integrate, and optimize systems that handle real-time sports data, video, and live commentary. This position is project- and delivery-focused, with no line management or people-leadership responsibilities required. Key Responsibilities: Design and develop scalable backend systems...

About Us: ISTARI is a strategic cybersecurity advisory company with a bold vision; to curate the defining cybersecurity ecosystem of our time, uniting enterprise, academia, government, and innovators to build collective resilience. At the heart of this mission, ISTARI helps clients achieve lasting organisational cyber resilience by convening and applying world-class talent, expertise, and innovation through a uniquely powerful network, with ISTARI as the central orchestrator. ─────────────────────────────────────────────────────── The Opportunity: We are seeking an entrepreneurial, AI-native developer to join ISTARI as a contract developer and help transform how we deliver our consulting work. You will be the founding technical resource responsible for building a suite of AI-powered internal tools that dramatically improve productivity across our Advisory practice.   This is not a traditional development role. You will be expected to leverage AI coding...

Kato is a fast growing PropTech (property tech) company. Backed by industry-leading VCs, investors, entrepreneurs and advisors, we’re on an exciting path with a mission to change the future of commercial property. We’re doing this through our ever-evolving all-in-one online platform built for everyone involved in commercial property transactions, plus a whole lot of industry data. We’re only just getting started, and we’re looking for dynamic, confident individuals to expand our brilliant team and join us on the journey! Role overview We're looking for a Senior DevOps Engineer to join us on an initial 3-6 month contract basis. You'll be our go-to person for all things infrastructure; owning our AWS environment, keeping things running smoothly, and helping us level up how we build and ship software. Right now, we're at a point where we need someone who can take what we've got and make it better: tighter CI/CD pipelines, cleaner infrastructure-as-code, and a real push...

Kato is a fast growing PropTech (property tech) company. Backed by industry-leading VCs, investors, entrepreneurs and advisors, we’re on an exciting path with a mission to change the future of commercial property. We’re doing this through our ever-evolving all-in-one online platform built for everyone involved in commercial property transactions, plus a whole lot of industry data. We’re only just getting started, and we’re looking for dynamic, confident individuals to expand our brilliant team and join us on the journey!   Role overview We're looking for a Senior DevOps Engineer to join us on an initial 3-6 month contract basis. You'll be our go-to person for all things infrastructure; owning our AWS environment, keeping things running smoothly, and helping us level up how we build and ship software. Right now, we're at a point where we need someone who can take what we've got and make it better: tighter CI/CD pipelines, cleaner...