16 of 16 Permanent Software Engineer Jobs in West London

A Mid Level Python Engineer is required to join a Fintech company developing next generation tools for how companies get funding and optimise their working capital. Our client aims to change how corporate finance works, by replacing static, limited and often stale financial metrics with live data-driven insights sourced from direct connections to their clients systems. You will … joining a strong team of Python Engineers, Data Scientists, and financial experts, who are building the next generation of financial toolsscalable, secure, and smart. If you're an experience Software Engineer whose passionate about Python, excited by financial technology, and eager to build meaningful systems from the ground up, we want to hear from you. As a Python … Software Engineer, you will contribute to the design, development, and delivery of scalable, high-impact features across our platform. Youll work closely with experienced engineers, product managers, and data scientists to build reliable systems that solve complex financial problems. This role offers an excellent opportunity to deepen your technical expertise, take ownership of individual projects, and grow in More ❯

Senior Software Engineer Hayes, London Hybrid We are looking for a Senior Web Application Developer with 5+ years of experience in building and maintaining scalable, high-quality applications to join our growing tech team. As a senior member, you’ll play a key role in driving technical decisions, mentoring teammates, and ensuring best practices across the development lifecycle. … for non-technical colleagues. Experience with various testing methodologies (e.g., unit, integration, end-to-end) and a commitment to writing well-tested code. A commitment to robust and reliable software delivery, including familiarity with practices like no-downtime deployments, proactive monitoring, and identifying potential risks. Proven ability to lead technical initiatives from concept to completion, often involving multiple team More ❯

We refer top candidates to our partners working with the world’s leading AI research labs and fast-growing startups to help build cutting-edge technology. Role: LLM - Sr. Software Engineer – LLM Evaluation & Repository Validation Type of Role: Short-term Contract Engagement Duration: 1 month (with possible extensions) Commitment: 10–40 hrs/week (flexible, partial PST overlap … Date: Immediate Rate Range: $80–$125/hour Project Overview We’re building high-quality evaluation and training datasets to improve how Large Language Models (LLMs) interact with realistic software engineering tasks. Engineers will work on diverse projects such as enabling models to traverse complex code bases or building agents that boost model performance. Role Overview — What Does a … per task using a structured ranking system. Evaluate code diffs for correctness, quality, style, and efficiency. Provide clear, structured rationales for evaluation decisions. Required Skills & Experience Several years of software engineering experience , including 1 + continuous years at product companies Strong expertise in Rust development and deploying scalable, production-grade software. Deep understanding of software architecture, debugging, and More ❯

people across 32 countries. Our corporate headquarters are in Dublin, Ireland. Learn more at experianplc.com. Internal Grade E Job Description Experian Marketing Services are looking for a new Software Engineer to work with our engineering and product teams developing applications that power our ad delivery, analytics, and optimization systems. This position is ideal for someone who is passionate … about building scalable, efficient, and systems. This is a hybrid, London-based role reporting to the Director of Software Engineering for Experian Marketing Services. What will you do? Design and implement low-latency, high-throughput applications to support our real-time infrastructure Conduct code reviews, architectural discussions, and contribute to team best practices Work with teams to define system … back-end development and knowledge of AdTech environments Proficiency in Golang or Rust. Experience in building distributed, low-latency, and high-throughput systems Experience with data structures, algorithms, and software design Familiarity with cloud computing platforms (AWS, GCP, or Azure) Experience with Infrastructure as Code (IaC) tools like Terraform, Ansible, or similar Experience with databases (SQL, NoSQL) and caching More ❯

We're Hiring a Software Engineer | Earn up to $5000/month Location : (Remote, United States) What You Will Be Doing Contribute expertise to train and refine AI systems by producing high-quality written data. Adopt a user-centric mindset to create natural content that reflects real-world use cases. Evaluate AI-generated outputs by reviewing, ranking, and More ❯

time | Salary + Equity | Purpose-led startup Joyned is on a mission to help organisations build strong, safe communities through better communication. We’re looking for a hands-on software engineer to take ownership of our codebase and help shape how the product evolves. We’re a funded startup, built in partnership with Brightec (the team behind apps … transform how they connect with their communities. This is a solo engineering role, as we kick-off our in-house engineering team. You'll be our only full-time engineer, writing, testing and shipping code across the whole stack. You won’t be micromanaged - you’ll lead and pioneer. Our founder will be involved in technical decisions and we More ❯

Electronic & Software Design Engineer Technical Area: Analogue Design, Microcontroller programming, DFM, Low Power, Altium The Company This successful company designs and manufactures electromechanical detection devices for safety-critical industrial environments. The products are low-power, intrinsically safe, and designed to withstand fire and explosions in harsh environments such as those within the oil and gas industry. All products … are manufactured on-site and distributed globally. The Job We seek an experienced Electronic Engineer with microcontroller coding skills to work within a small team designing products from concept to manufacture on multiple design for manufacture projects. Responsibilities: Design new and modify existing products from initial specification through testing, certification, and production. Programming of PIC microcontrollers in C Prototyping … design using Altium Design for CE marking, EMC and Low Voltage Directive (training provided) Test and validate internally and through external approval bodies About You As an Electronics Design Engineer, you should have a good mix of the following skills and experience: HNC/HND/Degree in Electronics Engineering or equivalent Proficiency in analogue and digital circuit design More ❯

foundation for future service innovation. Integration across diverse technologies ensures Sky's award-winning products remain intuitive, high-quality, and impactful. This role sits within the fast-paced Connectivity Software team, part of Sky Home Communications. We lead development on the RDK WAN Manager and Broadband Application Framework-key components of the open-source RDK-B platform used in … millions of broadband devices worldwide. As a Software Architect , you'll define the software component architecture for our connectivity products, ensuring robust, scalable design. You'll represent Sky in the RDK-B community, support continuous improvement, and collaborate with stakeholders across the business. A proactive mindset and commitment to quality are essential. You'll be part of a … to stay connected and enjoy what they love-anytime, anywhere. What you'll do Attend architecture calls to define user stories and document use cases in JIRA. Define clear software interfaces to external modules and outline end-to-end deployment scenarios. Contribute to feasibility assessments and delivery planning for proposed architectures. Define and document software component architecture to More ❯

foundation for future service innovation. Integration across diverse technologies ensures Sky's award-winning products remain intuitive, high-quality, and impactful. This role sits within the fast-paced Connectivity Software team, part of Sky Home Communications. We lead development on the RDK WAN Manager and Broadband Application Framework-key components of the open-source RDK-B platform used in … millions of broadband devices worldwide. As a Software Architect , you'll define the software component architecture for our connectivity products, ensuring robust, scalable design. You'll represent Sky in the RDK-B community, support continuous improvement, and collaborate with stakeholders across the business. A proactive mindset and commitment to quality are essential. You'll be part of a … to stay connected and enjoy what they love-anytime, anywhere. What you'll do Attend architecture calls to define user stories and document use cases in JIRA. Define clear software interfaces to external modules and outline end-to-end deployment scenarios. Contribute to feasibility assessments and delivery planning for proposed architectures. Define and document software component architecture to More ❯

foundation for future service innovation. Integration across diverse technologies ensures Sky's award-winning products remain intuitive, high-quality, and impactful. This role sits within the fast-paced Connectivity Software team, part of Sky Home Communications. We lead development on the RDK WAN Manager and Broadband Application Framework-key components of the open-source RDK-B platform used in … millions of broadband devices worldwide. As a Software Architect , you'll define the software component architecture for our connectivity products, ensuring robust, scalable design. You'll represent Sky in the RDK-B community, support continuous improvement, and collaborate with stakeholders across the business. A proactive mindset and commitment to quality are essential. You'll be part of a … to stay connected and enjoy what they love-anytime, anywhere. What you'll do Attend architecture calls to define user stories and document use cases in JIRA. Define clear software interfaces to external modules and outline end-to-end deployment scenarios. Contribute to feasibility assessments and delivery planning for proposed architectures. Define and document software component architecture to More ❯

foundation for future service innovation. Integration across diverse technologies ensures Sky's award-winning products remain intuitive, high-quality, and impactful. This role sits within the fast-paced Connectivity Software team, part of Sky Home Communications. We lead development on the RDK WAN Manager and Broadband Application Framework-key components of the open-source RDK-B platform used in … millions of broadband devices worldwide. As a Software Architect , you'll define the software component architecture for our connectivity products, ensuring robust, scalable design. You'll represent Sky in the RDK-B community, support continuous improvement, and collaborate with stakeholders across the business. A proactive mindset and commitment to quality are essential. You'll be part of a … to stay connected and enjoy what they love-anytime, anywhere. What you'll do Attend architecture calls to define user stories and document use cases in JIRA. Define clear software interfaces to external modules and outline end-to-end deployment scenarios. Contribute to feasibility assessments and delivery planning for proposed architectures. Define and document software component architecture to More ❯

Job Title: Mid-Senior Java Engineer Location: London (Hybrid - 2-3 days in-office) Salary: Up to £85,000 per annum + Benefits Sector: Financial Services About the Role: We are seeking a Senior-Level Java Engineer to join a dynamic financial technology team in London. You will play a key role in developing, maintaining, and enhancing high … per week in the office. Key Responsibilities: Design, develop, and maintain high-quality Java-based applications for financial services. Collaborate with cross-functional teams to deliver robust and scalable software solutions. Ensure code quality, security, and performance standards are met. Work on both greenfield and existing applications, improving architecture and implementing best practices. Troubleshoot and resolve complex technical issues. … as AWS, Azure, or GCP. Strong problem-solving skills and a keen attention to detail. Experience in financial services or fintech is highly desirable. If you are a Java engineer looking to take the next step in your career within the financial sector, apply now More ❯

/CD, to an agile environment, and collaborative coding.Open to learn,and tadaptingin a space where standards are being defined every day, but where we use best practices from software development and FinTech to create the solutions. Interest in crypto is a plus! Key Responsibilities Minimum of 1 year of professional experience. Proficiency in Python in work environments. Knowledge … socialising opportunities. Free breakfast and fresh fruit provided daily. About Us Permax Recruitment is working in partnership with a London based firm who are on the lookout for a Software Engineer. For nearly a century, our client has been building a firm as accountants, auditors, tax specialists and close advisors to clients operating in emerging markets, disrupting the status More ❯

Job Title: Embedded Firmware Engineer Location: West London (Full-time, Permanent) Salary: £50,000–£60,000 + hybrid working and benefits About the Company: A leading technology innovator is seeking an Embedded Firmware Engineer to join their growing team. Specializing in advanced electronic systems, this company develops cutting-edge solutions for real-world applications across multiple sectors. Their More ❯

Job Title: Embedded Firmware Engineer Location: West London (Full-time, Permanent) Salary: £50,000–£60,000 + hybrid working and benefits About the Company: A leading technology innovator is seeking an Embedded Firmware Engineer to join their growing team. Specializing in advanced electronic systems, this company develops cutting-edge solutions for real-world applications across multiple sectors. Their More ❯

Job Title: Mesa Graphics Software Developer Location: Remote Key Responsibilities: - Engaging with clients to discuss technology matters and representing our client at conferences and trade shows to showcase our leadership in the open-source domain. - Examining client challenges and devising solutions by harnessing open-source technologies and leveraging our clients technical proficiency. - Collaborating with the delivery team to define More ❯