City Of London, England, United Kingdom Hybrid / WFH Options
Kioni Talent
Opportunity & Requirement Summary 📛 Role | PythonSoftwareEngineer 🔵 Company | Growing SaaS Software Provider 📏 Size | 15–20 employees 📍 Location | London (Hybrid – 3 days per week in the office) 💰 Offer | £60,000 – £90,000 + share options + benefits Detailed Overview Kioni Talent is partnering with an innovative SaaS company that’s helping businesses streamline complex workflows through their … intelligent software platform. They’re now looking for a PythonSoftwareEngineer to join their close-knit team and play a key role in building and scaling the backend that powers their core product. You’ll be joining a collaborative engineering team of experienced developers, product thinkers, and problem-solvers — all passionate about writing clean, scalable … code and continuously improving their platform. ⭐ What You'll Do Design, build, and maintain backend services using Python (Django/FastAPI) Contribute to architecture and technical design discussions Write clean, maintainable, and well-tested code Work closely with Product and Frontend teams to deliver new features Help improve scalability, performance, and reliability as the platform grows 💥 Your Impact Be More ❯
london, south east england, united kingdom Hybrid / WFH Options
Kioni Talent
Opportunity & Requirement Summary 📛 Role | PythonSoftwareEngineer 🔵 Company | Growing SaaS Software Provider 📏 Size | 15–20 employees 📍 Location | London (Hybrid – 3 days per week in the office) 💰 Offer | £60,000 – £90,000 + share options + benefits Detailed Overview Kioni Talent is partnering with an innovative SaaS company that’s helping businesses streamline complex workflows through their … intelligent software platform. They’re now looking for a PythonSoftwareEngineer to join their close-knit team and play a key role in building and scaling the backend that powers their core product. You’ll be joining a collaborative engineering team of experienced developers, product thinkers, and problem-solvers — all passionate about writing clean, scalable … code and continuously improving their platform. ⭐ What You'll Do Design, build, and maintain backend services using Python (Django/FastAPI) Contribute to architecture and technical design discussions Write clean, maintainable, and well-tested code Work closely with Product and Frontend teams to deliver new features Help improve scalability, performance, and reliability as the platform grows 💥 Your Impact Be More ❯
london (city of london), south east england, united kingdom Hybrid / WFH Options
Kioni Talent
Opportunity & Requirement Summary 📛 Role | PythonSoftwareEngineer 🔵 Company | Growing SaaS Software Provider 📏 Size | 15–20 employees 📍 Location | London (Hybrid – 3 days per week in the office) 💰 Offer | £60,000 – £90,000 + share options + benefits Detailed Overview Kioni Talent is partnering with an innovative SaaS company that’s helping businesses streamline complex workflows through their … intelligent software platform. They’re now looking for a PythonSoftwareEngineer to join their close-knit team and play a key role in building and scaling the backend that powers their core product. You’ll be joining a collaborative engineering team of experienced developers, product thinkers, and problem-solvers — all passionate about writing clean, scalable … code and continuously improving their platform. ⭐ What You'll Do Design, build, and maintain backend services using Python (Django/FastAPI) Contribute to architecture and technical design discussions Write clean, maintainable, and well-tested code Work closely with Product and Frontend teams to deliver new features Help improve scalability, performance, and reliability as the platform grows 💥 Your Impact Be More ❯
Senior SoftwareEngineer (Python) Hybrid London (1-3 days per week) Up to £80,000 + Benefits Are you a passionate Pythonengineer who thrives on building scalable, high-quality software? We're working with a multi-award-winning digital agency , recognised as one of the Sunday Times Best Places to Work , that's … looking for a Senior SoftwareEngineer (Python) to help shape the next generation of their data-driven tools and products. Why this role? Work at the intersection of data, automation, and AI , delivering tools that drive measurable impact for global brands. Join a collaborative, innovative engineering culture where learning, experimentation, and technical excellence are at the core. … a company that has won multiple Performance Marketing Employer of the Year awards - and genuinely invests in its people. What you'll be doing: Designing, building, and maintaining scalable Python-based applications and microservices . Developing internal tools and automation to support both client delivery and internal teams. Building, testing, and deploying RESTful APIs using frameworks like FastAPI or More ❯
City of London, London, United Kingdom Hybrid / WFH Options
Harnham
Senior SoftwareEngineer (Python) Hybrid London (1–3 days per week) Up to £80,000 + Benefits Are you a passionate Pythonengineer who thrives on building scalable, high-quality software? We’re working with a multi-award-winning digital agency , recognised as one of the Sunday Times Best Places to Work , that’s … looking for a Senior SoftwareEngineer (Python) to help shape the next generation of their data-driven tools and products. 💡 Why this role? Work at the intersection of data, automation, and AI , delivering tools that drive measurable impact for global brands. Join a collaborative, innovative engineering culture where learning, experimentation, and technical excellence are at the core. … a company that has won multiple Performance Marketing Employer of the Year awards — and genuinely invests in its people. 👩 💻 What you’ll be doing: Designing, building, and maintaining scalable Python-based applications and microservices . Developing internal tools and automation to support both client delivery and internal teams. Building, testing, and deploying RESTful APIs using frameworks like FastAPI or More ❯
Senior SoftwareEngineer (Python) Hybrid London (1–3 days per week) Up to £80,000 + Benefits Are you a passionate Pythonengineer who thrives on building scalable, high-quality software? We’re working with a multi-award-winning digital agency , recognised as one of the Sunday Times Best Places to Work , that’s … looking for a Senior SoftwareEngineer (Python) to help shape the next generation of their data-driven tools and products. 💡 Why this role? Work at the intersection of data, automation, and AI , delivering tools that drive measurable impact for global brands. Join a collaborative, innovative engineering culture where learning, experimentation, and technical excellence are at the core. … a company that has won multiple Performance Marketing Employer of the Year awards — and genuinely invests in its people. 👩 💻 What you’ll be doing: Designing, building, and maintaining scalable Python-based applications and microservices . Developing internal tools and automation to support both client delivery and internal teams. Building, testing, and deploying RESTful APIs using frameworks like FastAPI or More ❯
london, south east england, united kingdom Hybrid / WFH Options
Harnham
Senior SoftwareEngineer (Python) Hybrid London (1–3 days per week) Up to £80,000 + Benefits Are you a passionate Pythonengineer who thrives on building scalable, high-quality software? We’re working with a multi-award-winning digital agency , recognised as one of the Sunday Times Best Places to Work, that’s … looking for a Senior SoftwareEngineer (Python) to help shape the next generation of their data-driven tools and products. 💡 Why this role? Work at the intersection of data, automation, and AI , delivering tools that drive measurable impact for global brands. Join a collaborative, innovative engineering culture where learning, experimentation, and technical excellence are at the core. … a company that has won multiple Performance Marketing Employer of the Year awards — and genuinely invests in its people. 👩 💻 What you’ll be doing: Designing, building, and maintaining scalable Python-based applications and microservices . Developing internal tools and automation to support both client delivery and internal teams. Building, testing, and deploying RESTful APIs using frameworks like FastAPI or More ❯
london (city of london), south east england, united kingdom Hybrid / WFH Options
Harnham
Senior SoftwareEngineer (Python) Hybrid London (1–3 days per week) Up to £80,000 + Benefits Are you a passionate Pythonengineer who thrives on building scalable, high-quality software? We’re working with a multi-award-winning digital agency , recognised as one of the Sunday Times Best Places to Work, that’s … looking for a Senior SoftwareEngineer (Python) to help shape the next generation of their data-driven tools and products. 💡 Why this role? Work at the intersection of data, automation, and AI , delivering tools that drive measurable impact for global brands. Join a collaborative, innovative engineering culture where learning, experimentation, and technical excellence are at the core. … a company that has won multiple Performance Marketing Employer of the Year awards — and genuinely invests in its people. 👩 💻 What you’ll be doing: Designing, building, and maintaining scalable Python-based applications and microservices . Developing internal tools and automation to support both client delivery and internal teams. Building, testing, and deploying RESTful APIs using frameworks like FastAPI or More ❯
London, England, United Kingdom Hybrid / WFH Options
Client Server
Senior SoftwareEngineer/Developer (Python FastAPI Data) London to £90k Are you a data centric SoftwareEngineer with strong Python and SQL skills? You could be progressing your career in a senior, hands-on role at a fast growing, global Insurance Underwriting technology provider that focusses on developing a complex SaaS calculation platform … for rapidly growing Cybersecurity insurance markets. As a Senior SoftwareEngineer you will design and develop data centric backend services for the core platform with a focus on Python coding and building FastAPIs within an Azure environment with Databricks. You'll participate in the design and implementation of advanced mechanisms for data ingestion, transformation, mass parallel orchestration … WFH: There's a hybrid work from home model with three days a week in the high spec London, City office with rooftop bar. About you: You have strong Python backend software engineering skills You have experience of building FastAPIs You have a good knowledge of public cloud services, they're using Azure but experience with AWS or More ❯
London, South East, England, United Kingdom Hybrid / WFH Options
Client Server Ltd
Senior SoftwareEngineer/Developer (Python FastAPI Data) London to £90k Are you a data centric SoftwareEngineer with strong Python and SQL skills? You could be progressing your career in a senior, hands-on role at a fast growing, global Insurance Underwriting technology provider that focusses on developing a complex SaaS calculation platform … for rapidly growing Cybersecurity insurance markets. As a Senior SoftwareEngineer you will design and develop data centric backend services for the core platform with a focus on Python coding and building FastAPIs within an Azure environment with Databricks. You'll participate in the design and implementation of advanced mechanisms for data ingestion, transformation, mass parallel orchestration … WFH: There's a hybrid work from home model with three days a week in the high spec London, City office with rooftop bar. About you: You have strong Python backend software engineering skills You have experience of building FastAPIs You have a good knowledge of public cloud services, they're using Azure but experience with AWS or More ❯
Senior SoftwareEngineer/Developer (Python FastAPI Data) London to £90k Are you a data centric SoftwareEngineer with strong Python and SQL skills? You could be progressing your career in a senior, hands-on role at a fast growing, global Insurance Underwriting technology provider that focusses on developing a complex SaaS calculation … platform for rapidly growing Cybersecurity insurance markets. As a Senior SoftwareEngineer you will design and develop data centric backend services for the core platform with a focus on Python coding and building FastAPIs within an Azure environment with Databricks. You'll participate in the design and implementation of advanced mechanisms for data ingestion, transformation, mass parallel … Location/WFH: There's a hybrid work from home model with three days a week in the high spec London, City office with rooftop bar. You have strong Python backend software engineering skills You have experience of building FastAPIs You have a good knowledge of public cloud services, they're using Azure but experience with AWS or More ❯
PythonSoftwareEngineer – High-Frequency Trading We're working with a high-frequency trading (HFT) firm that is looking to expand its technology team with a PythonSoftware Engineer. This is an opportunity to join a trading firm operating at the cutting edge of global markets, where technology and speed are paramount. They build and … systems that compete across major global exchanges. You’ll work on some of the most complex and rewarding engineering challenges in the financial technology space. The Role As a PythonSoftwareEngineer, you’ll collaborate with traders, quantitative researchers, and other developers to design, develop, and optimise trading infrastructure. You’ll be directly contributing to systems that … trading infrastructure components. Partner with cross-functional teams to improve tooling, observability, and automation. Deliver robust, production-ready solutions in a fast-paced environment. Requirements Min 2+ years of Python experience in a professional setting (HFT, trading, fintech, or other high-performance domains). Exposure to C++ or willingness to work in multi-language environments is a plus. Familiarity More ❯
PythonSoftwareEngineer – High-Frequency Trading We're working with a high-frequency trading (HFT) firm that is looking to expand its technology team with a PythonSoftware Engineer. This is an opportunity to join a trading firm operating at the cutting edge of global markets, where technology and speed are paramount. They build and … systems that compete across major global exchanges. You’ll work on some of the most complex and rewarding engineering challenges in the financial technology space. The Role As a PythonSoftwareEngineer, you’ll collaborate with traders, quantitative researchers, and other developers to design, develop, and optimise trading infrastructure. You’ll be directly contributing to systems that … trading infrastructure components. Partner with cross-functional teams to improve tooling, observability, and automation. Deliver robust, production-ready solutions in a fast-paced environment. Requirements Min 2+ years of Python experience in a professional setting (HFT, trading, fintech, or other high-performance domains). Exposure to C++ or willingness to work in multi-language environments is a plus. Familiarity More ❯
PythonSoftwareEngineer – High-Frequency Trading We're working with a high-frequency trading (HFT) firm that is looking to expand its technology team with a PythonSoftware Engineer. This is an opportunity to join a trading firm operating at the cutting edge of global markets, where technology and speed are paramount. They build and … systems that compete across major global exchanges. You’ll work on some of the most complex and rewarding engineering challenges in the financial technology space. The Role As a PythonSoftwareEngineer, you’ll collaborate with traders, quantitative researchers, and other developers to design, develop, and optimise trading infrastructure. You’ll be directly contributing to systems that … trading infrastructure components. Partner with cross-functional teams to improve tooling, observability, and automation. Deliver robust, production-ready solutions in a fast-paced environment. Requirements Min 2+ years of Python experience in a professional setting (HFT, trading, fintech, or other high-performance domains). Exposure to C++ or willingness to work in multi-language environments is a plus. Familiarity More ❯
london (city of london), south east england, united kingdom
Durlston Partners
PythonSoftwareEngineer – High-Frequency Trading We're working with a high-frequency trading (HFT) firm that is looking to expand its technology team with a PythonSoftware Engineer. This is an opportunity to join a trading firm operating at the cutting edge of global markets, where technology and speed are paramount. They build and … systems that compete across major global exchanges. You’ll work on some of the most complex and rewarding engineering challenges in the financial technology space. The Role As a PythonSoftwareEngineer, you’ll collaborate with traders, quantitative researchers, and other developers to design, develop, and optimise trading infrastructure. You’ll be directly contributing to systems that … trading infrastructure components. Partner with cross-functional teams to improve tooling, observability, and automation. Deliver robust, production-ready solutions in a fast-paced environment. Requirements Min 2+ years of Python experience in a professional setting (HFT, trading, fintech, or other high-performance domains). Exposure to C++ or willingness to work in multi-language environments is a plus. Familiarity More ❯
A Mid Level PythonEngineer 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 be 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 SoftwareEngineer 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 PythonSoftwareEngineer, 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 More ❯
Circuit Mind we believe that this is wrong and we are on a mission to fix it, triggering the future of hardware design. We are creating an entirely new software engine for circuit boards, that takes as inputs the requirements of a circuit board and automatically outputs a complete design, ready for manufacture. As a Lead SoftwareEngineer … ll create simple and elegant solutions to difficult technical problems that the world has not solved before. You will work in close collaboration with a highly-functioning team of software, electronics, algorithm engineers and product managers. Responsibilities Collaborate with the product team and in-house hardware engineers to understand the problems of hardware engineering teams. Plan, design, develop, test … and iterate on the software solutions to those problems, accounting for functional and non-functional requirements. Co-design, pair on, and review the development work of other lead software developers. You’ll work on the entire company's backend code base: data models, algorithms, data pipelines, infrastructure, APIs, complex database queries, ML models. Learn, use, and improve best More ❯
Circuit Mind we believe that this is wrong and we are on a mission to fix it, triggering the future of hardware design. We are creating an entirely new software engine for circuit boards, that takes as inputs the requirements of a circuit board and automatically outputs a complete design, ready for manufacture. As a Lead SoftwareEngineer … ll create simple and elegant solutions to difficult technical problems that the world has not solved before. You will work in close collaboration with a highly-functioning team of software, electronics, algorithm engineers and product managers. Responsibilities Collaborate with the product team and in-house hardware engineers to understand the problems of hardware engineering teams. Plan, design, develop, test … and iterate on the software solutions to those problems, accounting for functional and non-functional requirements. Co-design, pair on, and review the development work of other lead software developers. You’ll work on the entire company's backend code base: data models, algorithms, data pipelines, infrastructure, APIs, complex database queries, ML models. Learn, use, and improve best More ❯
Circuit Mind we believe that this is wrong and we are on a mission to fix it, triggering the future of hardware design. We are creating an entirely new software engine for circuit boards, that takes as inputs the requirements of a circuit board and automatically outputs a complete design, ready for manufacture. As a Lead SoftwareEngineer … ll create simple and elegant solutions to difficult technical problems that the world has not solved before. You will work in close collaboration with a highly-functioning team of software, electronics, algorithm engineers and product managers. Responsibilities Collaborate with the product team and in-house hardware engineers to understand the problems of hardware engineering teams. Plan, design, develop, test … and iterate on the software solutions to those problems, accounting for functional and non-functional requirements. Co-design, pair on, and review the development work of other lead software developers. You’ll work on the entire company's backend code base: data models, algorithms, data pipelines, infrastructure, APIs, complex database queries, ML models. Learn, use, and improve best More ❯
london (city of london), south east england, united kingdom
Circuit Mind
Circuit Mind we believe that this is wrong and we are on a mission to fix it, triggering the future of hardware design. We are creating an entirely new software engine for circuit boards, that takes as inputs the requirements of a circuit board and automatically outputs a complete design, ready for manufacture. As a Lead SoftwareEngineer … ll create simple and elegant solutions to difficult technical problems that the world has not solved before. You will work in close collaboration with a highly-functioning team of software, electronics, algorithm engineers and product managers. Responsibilities Collaborate with the product team and in-house hardware engineers to understand the problems of hardware engineering teams. Plan, design, develop, test … and iterate on the software solutions to those problems, accounting for functional and non-functional requirements. Co-design, pair on, and review the development work of other lead software developers. You’ll work on the entire company's backend code base: data models, algorithms, data pipelines, infrastructure, APIs, complex database queries, ML models. Learn, use, and improve best More ❯
Bloomsbury Square, London, United Kingdom SoftwareEngineer - AI/ML/Python (Lead Level) at N Consulting Ltd Job Title: SoftwareEngineer - AI/ML/Python (Lead Level) Location: London, United Kingdom (Hybrid - 2-3 days onsite per week) Contract Type: Contract (6 months, with extension likely) Start Date: Immediate/Within … weeks Job Description: We are seeking an experienced and highly motivated Lead SoftwareEngineer with deep expertise in Artificial Intelligence (AI) , Machine Learning (ML) , and Python development to lead the design, development, and deployment of intelligent systems and data-driven applications for a leading client in London. The ideal candidate will have a strong background in AI …/ML frameworks, scalable system design, and Python-based development, along with leadership experience in agile teams. Key Responsibilities: Lead the architecture and development of AI/ML solutions, ensuring scalable and efficient design. Design and implement ML models and algorithms (classification, regression, NLP, etc.) using modern frameworks. Collaborate with data scientists, engineers, and product teams to transform prototypes More ❯
Senior SoftwareEngineer - 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 : Fully remote (UK only) Stack : Python , TypeScript, GCP, Pub/Sub, SQL & NoSQL, IaC (Terraform), CI/CD (GitHub Actions), Observability tools, AI tooling You’ll join a remote first, high-trust engineering team working with a modern, cloud-native stack - with real influence over technical decisions from day one. You’ll take technical ownership of the … scalable, and ready for real customers, while adding new Data-driven features, optimising performance, and shaping the long-term Product roadmap. While your focus will be backend systems in Python, you’ll also work across the stack, collaborate directly with users, and bring a strong Product mindset to every decision. This role is ideal for someone who thrives on More ❯
Senior SoftwareEngineer - 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 : Fully remote (UK only) Stack : Python , TypeScript, GCP, Pub/Sub, SQL & NoSQL, IaC (Terraform), CI/CD (GitHub Actions), Observability tools, AI tooling You’ll join a remote first, high-trust engineering team working with a modern, cloud-native stack - with real influence over technical decisions from day one. You’ll take technical ownership of the … scalable, and ready for real customers, while adding new Data-driven features, optimising performance, and shaping the long-term Product roadmap. While your focus will be backend systems in Python, you’ll also work across the stack, collaborate directly with users, and bring a strong Product mindset to every decision. This role is ideal for someone who thrives on More ❯
East London, London, United Kingdom Hybrid / WFH Options
Wilson Brown
Senior SoftwareEngineer - 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 : Fully remote (UK only) Stack : Python , TypeScript, GCP, Pub/Sub, SQL & NoSQL, IaC (Terraform), CI/CD (GitHub Actions), Observability tools, AI tooling You’ll join a remote first, high-trust engineering team working with a modern, cloud-native stack - with real influence over technical decisions from day one. You’ll take technical ownership of the … scalable, and ready for real customers, while adding new Data-driven features, optimising performance, and shaping the long-term Product roadmap. While your focus will be backend systems in Python, you’ll also work across the stack, collaborate directly with users, and bring a strong Product mindset to every decision. This role is ideal for someone who thrives on More ❯
City of London, London, United Kingdom Hybrid / WFH Options
Wilson Brown
Senior SoftwareEngineer - 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 : Fully remote (UK only) Stack : Python , TypeScript, GCP, Pub/Sub, SQL & NoSQL, IaC (Terraform), CI/CD (GitHub Actions), Observability tools, AI tooling You’ll join a remote first, high-trust engineering team working with a modern, cloud-native stack - with real influence over technical decisions from day one. You’ll take technical ownership of the … scalable, and ready for real customers, while adding new Data-driven features, optimising performance, and shaping the long-term Product roadmap. While your focus will be backend systems in Python, you’ll also work across the stack, collaborate directly with users, and bring a strong Product mindset to every decision. This role is ideal for someone who thrives on More ❯
