1 to 25 of 36 Permanent Developer/Software Engineer Jobs in London

REMOTE Golang Developer (Software Engineer Programmer Developer ReactJS React-JS React.JS GraphQL Playwright TypeScript Redux Saga Ag-Grid Fixed Income JavaScript Node Credit Rates Bonds Agile Buy Side Asset Manager Investment Management Finance Front Office Trading Financial Services UI Front End Front End EMS … by our trading software client in London. You MUST have the following: Strong experience as a Lead Full-Stack Developer / Software Engineer / Programmer Excellent Golang Experience building Front Office trading systems (portfolio management, execution or order management, risk … a well-backed company that is growing rapidly and will likely IPO in the next 24 months. Remote working would require coming into the office 1-2 days / month. Salary: £120-150k + 50% Bonus + Pension More ❯

Lead Golang Developer (Software Engineer Programmer Developer ReactJS React-JS React.JS GraphQL Playwright TypeScript Redux Saga Ag-Grid Fixed Income JavaScript Node Credit Rates Bonds Agile Buy Side Asset Manager Investment Management Finance Front Office Trading Financial Services UI Front End Front End EMS … by our trading software client in London. You MUST have the following: Strong experience as a Lead Full-Stack Developer / Software Engineer / Programmer Excellent Golang Experience building Front Office trading systems (portfolio management, execution or order management, risk … into technical solutions Excellent stakeholder interaction skills Agile The following is DESIRABLE, not essential: JavaScript and TypeScript Ag-Grid and GraphQL Python or Java Role: Lead Golang Developer (Software Engineer Programmer Developer ReactJS React-JS React.JS GraphQL Playwright TypeScript Redux Saga Ag-Grid Fixed More ❯

growth and economic progress. You'll contribute to a pivotal transformation program and play a crucial role in integrating existing service delivery components into a cohesive framework. Team / Role Overview The Strategic Ledger Program is a transformative initiative focused on migrating Citi's ledgers to industry-standard platforms and seamlessly integrating them into the bank's ecosystem. … e.g., AWS, Azure, GCP) and messaging systems like Kafka. Knowledge of software design patterns, architectural principles, and best practices. Experience with DevOps practices, CI / CD pipelines, and Agile methodologies. Proven ability to integrate disparate systems and processes into a cohesive and efficient service delivery model. Excellent problem-solving and communication skills. Bachelor’s … protected veteran, or any other characteristic protected by law. If you are a person with a disability and need a reasonable accommodation to use our search tools and / or apply for a career opportunity review Accessibility at Citi . View Citi’s EEO Policy Statement and the Know Your Rights poster. #J-18808-Ljbffr More ❯

Senior Lead Software Engineer - Front-End Developer Join to apply for the Senior Lead Software Engineer - Front-End Developer role at JPMorganChase Job Description Be an integral part of a team that's constantly pushing the … envelope to enhance, build, and deliver top-notch technology products. As a Senior Lead Software Engineer at JPMorgan Chase within the Corporate Technology Market Risk team, you will lead the rapid expansion of a strategic visualization and reporting platform. You will be an integral part of an agile team that works to … contributions, and apply deep technical expertise and problem-solving methodologies to tackle a diverse array of challenges that span multiple technologies and applications. Job Responsibilities Execute creative software solutions, design, develop, and troubleshoot technical issues with the ability to think beyond routine approaches to build solutions or analyze technical problems. Develop secure, high-quality production code More ❯

Job Details Position: DV Cleared Software Engineer, Java Developer, Python, Backend Engineer, London Client: Experis UK Location: London, United Kingdom Job Category: Other EU work permit required: Yes Job Views: 1 Posted: 23.05.2025 Expiry Date: 07.07.2025 Job Description Our client, a global organization, urgently … Back End Developers to join their team on a permanent basis, working with Central Government clients. The ideal candidate will have: Extensive experience as a back end developer, particularly with Government or Defence applications (DV Cleared) Experience building solutions within a DevSecOps and Agile environment DV Clearance Responsibilities include: Delivering features end-to-end, supporting new More ❯

Lead Golang Developer Software Engineer Finance Trading London Lead Golang Developer Software Engineer Finance Trading London Joseph Harry London, United Kingdom Apply now Posted 4 days ago Hybrid … Job Permanent GBP120000 - GBP150000 per annum + 50% Bonus + Pension You MUST have the following: Strong experience as a Lead Full-Stack Developer / Software Engineer / Programmer Excellent Golang Experience building front office trading systems (portfolio management, execution or order management, risk … backed company that is growing rapidly and will likely IPO in the next 24 months. There is hybrid working with a possibility for remote working. Lead React Developer Software Engineer Trading Finance London Joseph Harry London, United Kingdom Lead Java Developer Software More ❯

Lead React Developer Software Engineer Trading Finance London Lead React Developer Software Engineer Trading Finance London Joseph Harry London, United Kingdom Apply now Posted 3 days ago | Hybrid | Permanent | GBP120,000 - GBP150,000 per annum + … Bonus + Pension You MUST have the following: Strong experience as a Lead React Developer, Software Engineer, or Programmer Experience building front-office trading systems (execution or order management, risk, or PnL analysis) Strong ability to lead and translate concepts into technical solutions Experience with Agile methodologies The … a well-backed company experiencing rapid growth, with potential IPO within the next 24 months. The role offers hybrid working with possibilities for remote work. Lead Golang Developer Software Engineer Finance Trading London Joseph Harry London, United Kingdom Lead Java Developer Software More ❯

on the remaining aspects of the SDLC lifecycle and hence you will be partnering with them to drive changes to our systems. Our system performs every day, 24 / 7, serving global traffic. We build a distributed system in a highly collaborative environment, utilizing a broad range of technologies. Our backend developers work on finding solutions to algorithmic … developer experience, tools, and engineering processes You have 2+ years of software development engineering experience You have experience with cloud / virtualization environments (AWS, Azure, Docker, Kubernetes, et al) You are comfortable working on an agile, distributed team spanning multiple time zones and continents You have a solid understanding of … and engineering fundamentals You are proficient in one or more of the following programming languages: C#, Java, C, C++, Python, SQL, or Scala You have a Bachelor’s / Master’s level degree in computer science or relevant engineering-related field or equivalent experience. Not everyone has the same level of access to opportunities. What is most important More ❯

Software Engineer II, Play Developer, Content protection Join to apply for the Software Engineer II, Play Developer, Content protection role at Google Software Engineer II, Play Developer, Content protection Join to apply for the Software Engineer II, Play Developer, Content protection role at Google Bachelor’s degree or equivalent practical experience. 1 year of experience with data structures or algorithms. Minimum qualifications: Bachelor’s degree or equivalent practical experience. 1 year … solutions. Ensure of implementing unit and integration tests as well as other software development best practices. Triage technical issues and debug / track / resolve by analyzing the sources of issues and conducting investigation. Collaborate with cross-functional teams to deliver new features and products. Google is proud to More ❯

other developers. The role spans a spectrum of areas, such as build and software supply-chain systems, platform runtime environments, telemetry relating concurrency, memory / performance optimisations, and monitoring / alerting. Your primary users will be other developers at Palantir. They will be empowered with the software you … supply chain security. Technologies We Use A variety of languages, including Python, Java, Go, Rust, and TypeScript. Open-source databases like Cassandra, Lucene, Elasticsearch. Open-source libraries / frameworks like Rattler, Conda, GraphQL, Undertow, Jackson and Log4j. Industry-standard build tooling, including Hatch, Gradle, Webpack, CircleCI, and GitHub. What We Value Growing subject matter expertise and depth … powerful APIs. Ability to understand how technical decisions impact your users and a drive to super-power those people, particularly through empathy for developer / operator workflows and productivity. Awareness of recent industry best practices and open source advancements. Great problem solving skills with ability to evolve complex systems. What We Require 2+ years More ❯

Social network you want to login / join with: Graduate Software Engineer / Quant Developer / Quant Researcher - Up to £160,000 + Bonus + Package, london col-narrow-left Client: Hunter Bond Location: london, United Kingdom Job Category: Other - EU work … required: Yes col-narrow-right Job Views: 2 Posted: 10.06.2025 Expiry Date: 25.07.2025 col-wide Job Description: ? Graduate Software Engineer / Quant Dev / Quant Researcher ? Location: London (Hybrid) ? Salary: Up to £160,000 + Bonus + Full Benefits ? Client: Elite Proprietary Trading Firm Just graduated and eager … initiative What You Bring ? Degree in Mathematics, Computer Science, Physics, Engineering, or related STEM field ? Proficiency in at least one core programming language (Python, C++, Java, C#, KDB+ / Q, etc.) ? Analytical mindset with a passion for solving complex problems Strong drive, curiosity, and a desire to learn in a fast-paced, high-stakes environment Why This Role More ❯

Job Description Graduate Software Engineer / Quantitative Developer / Quantitative Researcher Location: London (Hybrid) Salary: Up to £170,000 + Bonus + Full Benefits Client: Elite Proprietary Trading Firm Kickstart Your Career Just graduated and eager to dive into the world of high-performance … on initiative What You Bring Degree in Mathematics, Computer Science, Physics, Engineering, or related STEM field Proficiency in at least one core programming (Python, C++, Java, C#, KDB+ / Q, etc.) Analytical mindset with a passion for solving complex problems Strong drive, curiosity, and a desire to learn in a fast-paced, high-stakes environment Why This Role More ❯

systems. You'll work with Java, Spring Framework, and AWS technologies to build robust web applications and RESTful APIs. You'll also contribute to automated testing and CI / CD pipelines to ensure system stability and efficiency. As part of a collaborative, agile team, you'll have a direct impact on the delivery of cutting-edge software … test scripts using JUnit, TestNG, and Cucumber (BDD). Conduct end-to-end testing: functional, regression, integration, and performance. Follow TDD practices and ensure test integration with CI / CD tools like Jenkins. Track and resolve defects, ensuring high-quality code delivery. Requirements: 3-5 years of hands-on experience in Java backend development. Strong knowledge of Spring … . Proficient in writing and maintaining tests using JUnit, TestNG, and Cucumber (BDD). Solid understanding of RESTful APIs and microservices architecture. Familiarity with Maven, Git, and CI / CD pipelines. Strong analytical and debugging skills. Knowledge of LLMs or AI-powered development tools (e. g., GitHub Copilot). Experience with Terraform for infrastructure-as-code. Exposure to More ❯

Optiver is looking for a Software Engineer to join our Developer Excellence team in London, focused on scaling the impact of AI-assisted development across the organization . This is a new and exciting role for someone who’s not just interested in integrating the latest tools — but … in shaping what AI-assisted development should look like inside a modern technology firm. We’re looking for a strong engineer with experience building developer-facing AI tools, a clear vision for the future of AI in software engineering, and the ambition to help drive that journey at … Optiver. You’ll join a growing global team on a mission to improve every part of the developer experience at Optiver. What you’ll do: Lead the exploration and adoption of AI-assisted development tools across Optiver — from chat-based development agents to tools that accelerate writing, reviewing, and understanding code Design and build internal AI More ❯

C++ Software Engineer / Developer : Elite Quant Trading Firm : £300-500k : Hybrid C++ Software Engineer / Developer : Elite Quant Trading Firm : £300-500k : Hybrid Direct message the job poster from … Engineer to join it's growing team. You will have prior experience at an elite quant trading firm or similar company of equivalent scale / complexity. In this high performance computing team, you will be responsible for building low-level programming, distributed systems. Your experience will be at scale in advanced C++. Ideally Computer … grade Commercial experience in C++ Software Engineering, performance software Financial trading, banking or hedge fund exposure Great work environment, WFH / Hybrid opportunity. Excellent bonus culture for all and career scope. Client welcomes applications from overseas, and can pay for visas / relocation to London. £300-500k+ More ❯

A niche electronic trading quant fund based in London are now seeking a top end C++ Software … Engineer to join it's growing team. You will have prior experience at an elite quant trading firm or similar company of equivalent scale / complexity. In this high performance computing team, you will be responsible for building low-level programming, distributed systems. Your experience will be at scale in advanced C++. Ideally Computer … Financial trading, banking or hedge fund exposure Strong interest in working for a top end, high performance, tech-driven hedge fund Great work environment, WFH / Hybrid opportunity. Excellent bonus culture for all and career scope. Client welcomes applications from overseas, and can pay for visas / relocation to London. £300-500k+ More ❯

A niche electronic trading quant fund based in London are now seeking a top end C++ Software … Engineer to join it's growing team. You will have prior experience at an elite quant trading firm or similar company of equivalent scale / complexity. In this high performance computing team, you will be responsible for building low-level programming, distributed systems. Your experience will be at scale in advanced C++. Ideally Computer … Financial trading, banking or hedge fund exposure Strong interest in working for a top end, high performance, tech-driven hedge fund Great work environment, WFH / Hybrid opportunity. Excellent bonus culture for all and career scope. Client welcomes applications from overseas, and can pay for visas / relocation to London. £300-500k+ More ❯

Job Description A niche electronic trading quant fund based in London is seeking a top-tier C++ Software Engineer to join its growing team. The ideal candidate will have prior experience at an elite quant trading firm or a similar company of comparable scale and complexity. In this high-performance computing team … distributed systems. Your experience should include advanced C++ at scale. Qualifications Ideally: Computer Science degree or a similar discipline with 1st class honors Experience in: Commercial C++ software engineering, performance-critical software Exposure … to: Financial trading, banking, or hedge funds Interest in: Working for a top-tier, high-performance, tech-driven hedge fund We offer a great work environment with WFH / Hybrid options, an excellent bonus culture, and significant career growth opportunities. The client welcomes applications from overseas and can assist with visas and relocation to London. Package More ❯

x4 Senior PHP Software Engineers / Backend Developers – PHP / Symfony / Restful API Fintech start-up - Office based in London Areti has exclusively partnered with a Fintech start-up urgently seeking x7 PHP Software Engineers / Backend Developers for a Fintech start-up … based in the UK on a FULLY REMOTE basis. My client has just received funding and looking to grow its software engineering team from 20 to 30 in the next 2 months - They are looking for senior PHP Developers The ideal candidates will have a skillset which includes the following: PHP Symfony Restful API Microservices MySQL … Private Healthcare Pension 6.5% Bonus 27 days holiday + bank holidays Your birthday off These roles will be working in one of the most talented software engineering teams around and will offer the chance to move into a tech lead position very quickly. If you are a talented developer looking for a More ❯

x6 PHP Software Engineers / Backend Developers – PHP / Symfony / Restful API - Fintech start-up based in the UK 🌳🌳🌳 Areti has exclusively partnered with a Fintech start-up urgently seeking x6 PHP Software Engineers / Backend Developers for a Fintech start-up based … in the UK. (FULLY REMOTE) My client has just received funding and looking to grow its software engineering team from 20 to 30 in the next 2 months due to winning a number of projects. The ideal candidates will have a skillset to include the following. Background PHP Solid Design Principles - TDD, BDD Symfony Restful API … Microservices MySQL Docker Containers AWS DataDog Cloud These roles will be working in one of the most talented software engineering teams around and will offer the chance to move into a tech lead position very quickly. If you are a talented developer looking for a company that offers fully remote working, then More ❯

x6 PHP Software Engineers / Backend Developers – PHP / Symfony / Restful API - Fintech start-up based in the UK 🌳🌳🌳 Areti has exclusively partnered with a Fintech start-up urgently seeking x6 PHP Software Engineers / Backend Developers for a Fintech start-up based … in the UK. (FULLY REMOTE) My client has just received funding and looking to grow its software engineering team from 20 to 30 in the next 2 months due to winning a number of projects. The ideal candidates will have a skillset to include the following. Background PHP Solid Design Principles - TDD, BDD Symfony Restful API … Microservices MySQL Docker Containers AWS DataDog Cloud These roles will be working in one of the most talented software engineering teams around and will offer the chance to move into a tech lead position very quickly. If you are a talented developer looking for a company that offers fully remote working, then More ❯

x6 PHP Software Engineers / Backend Developers – PHP / Symfony / Restful API - Fintech start-up based in the UK Areti has exclusively partnered with a Fintech start-up urgently seeking x6 PHP Software Engineers / Backend Developers for a Fintech start-up based … in the UK. (FULLY REMOTE) My client has just received funding and looking to grow its software engineering team from 20 to 30 in the next 2 months due to winning a number of projects. The ideal candidates will have a skillset to include the following. Background PHP Solid Design Principles - TDD, BDD Symfony Restful API … Microservices MySQL Docker Containers AWS DataDog Cloud These roles will be working in one of the most talented software engineering teams around and will offer the chance to move into a tech lead position very quickly. If you are a talented developer looking for a company that offers fully remote working, then More ❯

Frontend Developer / Software Engineer (App) About Us Recraft is a premium image generation and editing tool designed to empower creators and teams. Founded in the US and headquartered in London, UK, Recraft enables designers to create and perfect their visuals. Our AI toolbox gives users … Knowledge of basic software development patterns and key principles of software development Identify and resolve issues, bugs, and other frontend / mobile-related challenges. An additional advantage if you have hands-on experience in React Native and mobile app development for Apple App Store or Google Play Store. An additional … How to Apply Interested candidates should submit their resume, a cover letter, and a portfolio of writing samples to . Please include "Frontend Developer / Software Engineer (App)" in the subject line. Join us at Recraft and help us tell our story in the most captivating More ❯

Frontend Developer / Software Engineer (Growth-Focused) About Us Founded in the US in 2022 and now based in London, UK, Recraft is an AI tool for professional designers, illustrators, and marketers, setting a new standard for excellence in image generation. We designed a tool that … reality. If you’re passionate about pushing the boundaries of AI, we want you on board! Job Description We’re seeking a Frontend Developer / Software Engineer who thrives in an experimental and fast-paced growth environment. This role is ideal for someone who embraces dynamic … frontend components to support iterative testing and feature deployment. Optimize the platform for speed, scalability, and reliability, with a focus on user growth metrics. Develop and execute A / B tests and other experiments to validate ideas and improve the user journey. Identify, prioritise, and solve front-end challenges with a data-driven mindset. Maintain clean, testable, and More ❯

and we're just getting started. Featured in The Times, TechCrunch, and Business Insider, Recraft is at the forefront of AI image generation. Job Description As a Software Engineer, you'll play a pivotal role in shaping the user experience on Canvas and UI interfaces of our main product: . Your objective … code to resolve issues. Strong problem-solving skills and a keen eye for detail. Self-motivated with a proactive approach. Over 5 years of professional experience in Software Engineering. Comfortable working in a rapidly changing, fast-paced setting. A familiarity with algorithms is a must. Proficiency in React. An additional advantage if you have experience with … How to Apply Interested candidates should submit their resume, a cover letter, and a portfolio of writing samples to . Please include "Frontend Developer / Software Engineer" in the subject line. Join us at Recraft and help us tell our story in the most captivating way More ❯