76 to 100 of 213 Software Engineer Jobs in Central London

Software Engineer - Python (FinTech) Join a fast-growing fintech on a mission to redefine how people interact with their finances. Help build a real-time platform that empowers individuals and businesses with smarter, faster and more transparent financial tools, all wrapped in a seamless user-centric experience. We believe in challenging the status quo, building products people love … and having fun along the way. We’re looking for a talented Python Engineer who’s passionate about creating an exceptional real-time data platform that will process and deliver data instantaneously; allowing for instant insights and actions. In finance, these systems are crucial because markets move very quickly, and delays of even milliseconds can have big consequences. Essential More ❯

Software Engineer - Python (FinTech) Join a fast-growing fintech on a mission to redefine how people interact with their finances. Help build a real-time platform that empowers individuals and businesses with smarter, faster and more transparent financial tools, all wrapped in a seamless user-centric experience. We believe in challenging the status quo, building products people love … and having fun along the way. We’re looking for a talented Python Engineer who’s passionate about creating an exceptional real-time data platform that will process and deliver data instantaneously; allowing for instant insights and actions. In finance, these systems are crucial because markets move very quickly, and delays of even milliseconds can have big consequences. Essential More ❯

Elixir Software Engineer Industry: Software Development/Finance/Banking Location: London/Hybrid Salary: £40-80,000 Base Salary X4 Engineering are proud to be working with a disruptive digital finance scale-up that’s changing the way modern banking platforms are built and connected. With clients ranging from agile startups to global fintech innovators, this … company is expanding its backend engineering team to meet fast-growing demand. As part of this journey, they’re hiring Backend Engineer's to design and scale robust APIs, integrate with a diverse range of banking systems, and shape the future of programmable finance infrastructure. Key Requirements: A technical degree (BSc/MSc) in Computer Science, Software Engineering More ❯

Elixir Software Engineer Industry: Software Development/Finance/Banking Location: London/Hybrid Salary: £40-80,000 Base Salary X4 Engineering are proud to be working with a disruptive digital finance scale-up that’s changing the way modern banking platforms are built and connected. With clients ranging from agile startups to global fintech innovators, this … company is expanding its backend engineering team to meet fast-growing demand. As part of this journey, they’re hiring Backend Engineer's to design and scale robust APIs, integrate with a diverse range of banking systems, and shape the future of programmable finance infrastructure. Key Requirements: A technical degree (BSc/MSc) in Computer Science, Software Engineering More ❯

Software Engineer | Climate Tech | London (Hybrid) Want to code for impact ? This early-stage climate tech startup is building the software powering the transition to a cleaner, smarter energy system - and they’re looking for engineers who love to move fast, solve hard problems , and see their work make a real difference. Backed by top-tier investors … knit, mission-driven team They’re open to all OOP languages (core stack is Python ). 📍 London | Hybrid (2-3 days/week) If you’re ready to build software that accelerates the shift to clean energy - apply now More ❯

Software Engineer | Climate Tech | London (Hybrid) Want to code for impact ? This early-stage climate tech startup is building the software powering the transition to a cleaner, smarter energy system - and they’re looking for engineers who love to move fast, solve hard problems , and see their work make a real difference. Backed by top-tier investors … knit, mission-driven team They’re open to all OOP languages (core stack is Python ). 📍 London | Hybrid (2-3 days/week) If you’re ready to build software that accelerates the shift to clean energy - apply now More ❯

For this role it is essential that you currently hold or have recently held DV clearance. About us We’re a unique, family operated software development company founded in 2016 on trust, talent and care. We have created a close-knit community where we really connect with and support each other. Work-life balance, collaboration and professional development are … always at the forefront of what we do. We specialise in building and consulting on bespoke applications tailored to customer requirements. We use the latest technologies and best software practices to engineer top quality systems which we can be proud of. We always put total trust in our engineers’ skillsets and avoid micro-management and bureaucracy. Join our … team today for the opportunity to be a big part of a small, high-performing software company delivering meaningful work. Job Description As a senior software engineer, you will be responsible for designing and building industry-leading software in response to customer business needs. You’ll be expected to take ownership over areas of software More ❯

For this role it is essential that you currently hold or have recently held DV clearance. About us We’re a unique, family operated software development company founded in 2016 on trust, talent and care. We have created a close-knit community where we really connect with and support each other. Work-life balance, collaboration and professional development are … always at the forefront of what we do. We specialise in building and consulting on bespoke applications tailored to customer requirements. We use the latest technologies and best software practices to engineer top quality systems which we can be proud of. We always put total trust in our engineers’ skillsets and avoid micro-management and bureaucracy. Join our … team today for the opportunity to be a big part of a small, high-performing software company delivering meaningful work. Job Description As a senior software engineer, you will be responsible for designing and building industry-leading software in response to customer business needs. You’ll be expected to take ownership over areas of software More ❯

Senior Golang Software Backend Engineer Fully Remote/UK Working Hours A couple of Senior Golang Software Backend Engineers are required for an exciting and innovative Software house company based in London and Hong Kong. The company operates at the forefront of sports, entertainment, and cryptocurrency, and they are growing rapidly. The successful Software Backend … Engineer will be responsible for developing and maintaining company’s complex backend systems, working closely with other engineers to design and implement efficient and reliable solutions that deliver exceptional user experiences. But more than that, they are seeking a results-oriented individual who is eager to coach and mentor team members, helping them grow both professionally and personally. Their … development team uses various different programming languages with a particular focus on Golang but they are looking primarily for strong software developers first and experiences of technologies second. The company is made up of some of the very best software developers and mathematicians. Each brings their unique perspective from their backgrounds in computer science, physics, mathematics, statistics and More ❯

Senior Software Engineer – Backend (Java) 📅 6-Month Contract | 🏢 Hybrid (2 Days in Office) | 💷 £600 p/d inside ir35 We’re looking for a skilled Backend Java Engineer to join an innovative team on a 6-month contract. If you love solving complex problems, mentoring others, and working on cutting-edge data platforms at scale- this one More ❯

Senior Software Engineer – Backend (Java) 📅 6-Month Contract | 🏢 Hybrid (2 Days in Office) | 💷 £600 p/d inside ir35 We’re looking for a skilled Backend Java Engineer to join an innovative team on a 6-month contract. If you love solving complex problems, mentoring others, and working on cutting-edge data platforms at scale- this one More ❯

Senior Software Engineer - Artificial Intelligence - London - £100,000 - £150,000 base + Equity We are working with an ambitious, well-funded defence technology company revolutionising how organisations collaborate with sensors, robots, and autonomous systems. This is a pivotal moment to join a high-calibre team solving some of the most complex and consequential problems in the field. From … and influence over design, functionality, and direction, no layers of bureaucracy, just the opportunity to make a tangible impact. About the Role You will design, build, and test core software platforms and user interfaces. This includes deploying and testing with autonomous and robotic systems in the field, writing maintainable code for mission-critical environments, integrating with third-party APIs … alongside real systems. Required Skills Degree in Computer Science, Engineering, or a related technical field (or equivalent experience) Strong programming skills in C++, Rust, Java 8+ years of professional software engineering experience Preferred Skills Experience with autonomous systems and robotics Benefits Mission & impact: Build software directly supporting defence and humanitarian operations Ownership: Shape architecture, product direction, and team More ❯

Senior Software Engineer - Artificial Intelligence - London - £100,000 - £150,000 base + Equity We are working with an ambitious, well-funded defence technology company revolutionising how organisations collaborate with sensors, robots, and autonomous systems. This is a pivotal moment to join a high-calibre team solving some of the most complex and consequential problems in the field. From … and influence over design, functionality, and direction, no layers of bureaucracy, just the opportunity to make a tangible impact. About the Role You will design, build, and test core software platforms and user interfaces. This includes deploying and testing with autonomous and robotic systems in the field, writing maintainable code for mission-critical environments, integrating with third-party APIs … alongside real systems. Required Skills Degree in Computer Science, Engineering, or a related technical field (or equivalent experience) Strong programming skills in C++, Rust, Java 8+ years of professional software engineering experience Preferred Skills Experience with autonomous systems and robotics Benefits Mission & impact: Build software directly supporting defence and humanitarian operations Ownership: Shape architecture, product direction, and team More ❯

Founding Engineer - London - Exciting Start-Up! Job Title: Backend Software Engineer Location: On-Site Type: Full-time We are looking for engineers excited about the opportunity to join an exciting security startup, detecting real intrusions before they become breaches. They are venture-backed and building modern tools for threat detection. Customers include some of the most security … conscious companies in the world, and they’re just getting started. What You’ll Do: We’re looking for a backend engineer to help us design and scale systems. You’ll work on telemetry pipelines, alerting infrastructure, internal APIs, and integrations with modern security tools. What We’re Looking For: 3+ years of experience building and maintaining backend systems … tooling or incident response workflows Why Join? Work on hard, meaningful problems in cybersecurity Be part of a fast, technical, remote-first team Competitive salary and meaningful equity Founding Engineer - London - Exciting Start-Up More ❯

Founding Engineer - London - Exciting Start-Up! Job Title: Backend Software Engineer Location: On-Site Type: Full-time We are looking for engineers excited about the opportunity to join an exciting security startup, detecting real intrusions before they become breaches. They are venture-backed and building modern tools for threat detection. Customers include some of the most security … conscious companies in the world, and they’re just getting started. What You’ll Do: We’re looking for a backend engineer to help us design and scale systems. You’ll work on telemetry pipelines, alerting infrastructure, internal APIs, and integrations with modern security tools. What We’re Looking For: 3+ years of experience building and maintaining backend systems … tooling or incident response workflows Why Join? Work on hard, meaningful problems in cybersecurity Be part of a fast, technical, remote-first team Competitive salary and meaningful equity Founding Engineer - London - Exciting Start-Up More ❯

Senior C++ Software Engineer Salary: £75,000 - £135,000 Key Responsibilities Design, develop, and optimize software in C++ and/or Rust for control and orchestration systems. Build low-latency interfaces between hardware and classical compute systems. Collaborate with hardware teams to integrate software with FPGAs and high-speed digital electronics. Develop and maintain firmware and … platforms. Analyze and optimize system performance including latency, throughput, and resource utilization. Participate in system architecture design and technical decision-making. Conduct code reviews , mentor junior engineers, and promote software best practices. Work with cross-functional teams to ensure seamless integration of hardware and software components for robust, production-ready systems. Ensure system reliability , fault tolerance , and performance … in data centre environments. Required Qualifications Bachelor's or Master's degree in Computer Engineering , Electrical Engineering , Physics , or a related field. 5+ years of professional experience in software development, with a focus on C++ and/or Rust . Strong understanding of FPGA architectures , toolchains (e.g., Xilinx Vivado, Intel Quartus), and hardware description languages ( VHDL/Verilog ). More ❯

Golang Engineer – up to £70k base + bonus Location: London Working Arrangements: 1-3 days a week in the London office Salary: up to £70,000 base Industry: Energy Tech Stack: Go, Kafka, React, AWS Sponsorship: Not offered Fantastic opportunity for a highly skilled mid-senior level Software Engineer to join a energy software company working More ❯

Manatal is an HRTech software service (B2B SaaS) company headquartered in Bangkok, Thailand. Manatal is one of the fastest-growing start-ups in the region and is backed by Surge and Sequoia Capital. Manatal has a global presence and is trusted by thousands of businesses in over 135 countries. Our goal is to transform the entire hiring process by … best-in-class AI-powered technologies to empower small, medium, and large businesses in their staffing & recruitment transformation. Role Overview We seek a passionate and experienced Lead Full Stack Engineer to join our dynamic team. The ideal candidate is a seasoned software engineer who excels in designing and building complex software applications across the entire stack … technical initiatives rather than people management. We are looking for someone eager to learn, be proactive, energetic, and understand the importance of making an impact. The Lead Full Stack Engineer will be responsible for both frontend and backend development, ensuring seamless integration and high performance of web applications. Responsibilities Lead technical initiatives and projects, ensuring high-quality delivery. Design More ❯

Manatal is an HRTech software service (B2B SaaS) company headquartered in Bangkok, Thailand. Manatal is one of the fastest-growing start-ups in the region and is backed by Surge and Sequoia Capital. Manatal has a global presence and is trusted by thousands of businesses in over 135 countries. Our goal is to transform the entire hiring process by … best-in-class AI-powered technologies to empower small, medium, and large businesses in their staffing & recruitment transformation. Role Overview We seek a passionate and experienced Lead Full Stack Engineer to join our dynamic team. The ideal candidate is a seasoned software engineer who excels in designing and building complex software applications across the entire stack … technical initiatives rather than people management. We are looking for someone eager to learn, be proactive, energetic, and understand the importance of making an impact. The Lead Full Stack Engineer will be responsible for both frontend and backend development, ensuring seamless integration and high performance of web applications. Responsibilities Lead technical initiatives and projects, ensuring high-quality delivery. Design More ❯

Senior Software Engineer - Backend & Data | Fully Remote (UK) Founding Engineer | Python | GCP | Terraform | Event-Based Systems | Data Pipelines An innovative, mission-driven LegalTech SaaS start-up is looking for a Senior Product Engineer (Backend & Data) with deep experience in Python, Product development, and Data engineering. Role Information: Salary : Up to £100,000 (DOE) + Equity Location … mindset to every decision. This role is ideal for someone who thrives on turning early-stage ideas into scalable, market-ready Products backed by solid Data pipelines. Senior Product Engineer - Highlights: Enhance and scale backend services in Python Architect event-driven solutions in GCP with Pub/Sub & Cloud Run Build and optimise Python code for high-performance backend More ❯

Senior Software Engineer - Backend & Data | Fully Remote (UK) Founding Engineer | Python | GCP | Terraform | Event-Based Systems | Data Pipelines An innovative, mission-driven LegalTech SaaS start-up is looking for a Senior Product Engineer (Backend & Data) with deep experience in Python, Product development, and Data engineering. Role Information: Salary : Up to £100,000 (DOE) + Equity Location … mindset to every decision. This role is ideal for someone who thrives on turning early-stage ideas into scalable, market-ready Products backed by solid Data pipelines. Senior Product Engineer - Highlights: Enhance and scale backend services in Python Architect event-driven solutions in GCP with Pub/Sub & Cloud Run Build and optimise Python code for high-performance backend More ❯

Senior Software Engineer - Backend & Data | Fully Remote (UK) Founding Engineer | Python | GCP | Terraform | Event-Based Systems | Data Pipelines An innovative, mission-driven LegalTech SaaS start-up is looking for a Senior Product Engineer (Backend & Data) with deep experience in Python, Product development, and Data engineering. Role Information: Salary : Up to £100,000 (DOE) + Equity Location … mindset to every decision. This role is ideal for someone who thrives on turning early-stage ideas into scalable, market-ready Products backed by solid Data pipelines. Senior Product Engineer - Highlights: Enhance and scale backend services in Python Architect event-driven solutions in GCP with Pub/Sub & Cloud Run Build and optimise Python code for high-performance backend More ❯

Role Outline Engineered Arts is seeking a Senior Robot Systems Software Engineer to work on the code that runs directly on our humanoid robots, the glue between sensors, actuators, and cloud services. You’ll build and maintain the real-time and near-real-time systems that make our robots come alive: coordinating motion, perception, speech, and networked behaviour. … This role suits someone who enjoys hands-on debugging, understands hardware–software interaction, and thrives in a multidisciplinary environment spanning mechanical, electrical, and software engineering. Main Responsibilities On-Robot Software Development Design, implement and maintain modules running on Linux-based robot computers (Python, C++, Rust). Interface with sensors, actuators, and controllers over serial, USB, and network … in deployed robots. Qualifications, Knowledge, Key Skills and Experience Essential Bachelor’s or Master’s in Computer Science, Robotics, Electrical/Mechatronics Engineering, or related field Significant experience developing software for hardware-integrated systems (e.g. robotics, IoT, or embedded Linux) Strong programming skills (Preferably Python, Rust and C++) Excellent debugging and profiling ability across system layers Familiarity with Linux More ❯

Role Outline Engineered Arts is seeking a Senior Robot Systems Software Engineer to work on the code that runs directly on our humanoid robots, the glue between sensors, actuators, and cloud services. You’ll build and maintain the real-time and near-real-time systems that make our robots come alive: coordinating motion, perception, speech, and networked behaviour. … This role suits someone who enjoys hands-on debugging, understands hardware–software interaction, and thrives in a multidisciplinary environment spanning mechanical, electrical, and software engineering. Main Responsibilities On-Robot Software Development Design, implement and maintain modules running on Linux-based robot computers (Python, C++, Rust). Interface with sensors, actuators, and controllers over serial, USB, and network … in deployed robots. Qualifications, Knowledge, Key Skills and Experience Essential Bachelor’s or Master’s in Computer Science, Robotics, Electrical/Mechatronics Engineering, or related field Significant experience developing software for hardware-integrated systems (e.g. robotics, IoT, or embedded Linux) Strong programming skills (Preferably Python, Rust and C++) Excellent debugging and profiling ability across system layers Familiarity with Linux More ❯

Senior C++ Software Developer, Python - Financial/Banking Candidates will have 5+ years C++ experience (ideally more) and excellent knowledge of Python - ideally coming from a Financial/Banking background with knowledge of Equities, Futures & Options and Fixed Income and Exchange Connectivity with some Low Latency experience. Job Overview You will work with the Product, Infrastructure and QA teams … to produce high performance, low latency and highly reliable code. Your goal will be to develop software which handle large amount of TPS to drive a highly efficient technology used by several markets around the world. To be successful in this role as a Senior Software Engineer C++, you will be a proponent of agile methodology and … modern software best practices. You can produce detailed technical work in OOP and work with other members of the Development team to produce code of high-quality standards. Ideally, you should have worked in critical systems development in the past. Responsibilities and Duties • Codes, tests, integrates, and documents software.• Provides technical leadership to more junior employees and other teams. More ❯