A company at the forefront of developing intricate scientific systems is seeking a Senior Software Engineer to join their team. In this role, you’ll go beyond routine coding tasks and focus on developing complete solutions. You’ll work on everything from front-end interaction and data handling to integrating with specialized hardware components. Essentially, you’ll be creating … from how users engage with the application, through data analysis workflows, to the lower-level connections with sensors and control units. Software Implementation: Develop robust, maintainable software primarily in Python, ensuring it easily interfaces with complex instrumentation while embracing test-driven development. Technical Innovation: Investigate and address challenging engineering issues, conceiving smart, high-performance solutions that expand the boundaries … of what’s possible. Essential Qualifications & Experience: Professional Background: A minimum of five years’ experience as a software engineer working within environments that blend hardware and software—this might include areas like specialized measurement devices, automated industrial machinery, embedded systems, or imaging equipment. Educational Foundation: A strong physics background is highly advantageous—preferably a Bachelor’s degree in Physics More ❯
Software Engineer – AI Infrastructure | Up to £130K + Equity | London We're working with a stealth-stage AI infrastructure startup in London, founded by ex–Palantir engineering leads. Their mission is to help enterprises structure and automate messy internal data and processes, one of the biggest challenges businesses face AI today. They’re hiring a Backend Engineer (3+ … years’ experience) to take ownership of core backend systems end-to-end, from infrastructure to database design. Ideal Profile: Strong experience with Python and SQL Familiarity with FastAPI , Pydantic , and PostgreSQL Bonus: experience with lower-level languages such as Rust Role Details: Compensation: £80K–£130K + equity (0.1–0.3%) Location: On-site in London, 4/5 days per More ❯
Software Engineer – AI Infrastructure | Up to £130K + Equity | London We're working with a stealth-stage AI infrastructure startup in London, founded by ex–Palantir engineering leads. Their mission is to help enterprises structure and automate messy internal data and processes, one of the biggest challenges businesses face AI today. They’re hiring a Backend Engineer (3+ … years’ experience) to take ownership of core backend systems end-to-end, from infrastructure to database design. Ideal Profile: Strong experience with Python and SQL Familiarity with FastAPI , Pydantic , and PostgreSQL Bonus: experience with lower-level languages such as Rust Role Details: Compensation: £80K–£130K + equity (0.1–0.3%) Location: On-site in London, 4/5 days per More ❯
london (city of london), south east england, united kingdom
Realm
Software Engineer – AI Infrastructure | Up to £130K + Equity | London We're working with a stealth-stage AI infrastructure startup in London, founded by ex–Palantir engineering leads. Their mission is to help enterprises structure and automate messy internal data and processes, one of the biggest challenges businesses face AI today. They’re hiring a Backend Engineer (3+ … years’ experience) to take ownership of core backend systems end-to-end, from infrastructure to database design. Ideal Profile: Strong experience with Python and SQL Familiarity with FastAPI , Pydantic , and PostgreSQL Bonus: experience with lower-level languages such as Rust Role Details: Compensation: £80K–£130K + equity (0.1–0.3%) Location: On-site in London, 4/5 days per More ❯
Paignton, Devon, United Kingdom Hybrid / WFH Options
Curo Services
Software Engineer - C++ & Python (Hybrid, Paignton) - (RL8024) Location: Paignton/Hybrid (3 DPW On-Site) Salary: Competitive + Benefits Benefits: Annual Bonus, 25 days annual leave (increasing to 30 with length of service), 4 x life insurance, employer pension contributions starting from 6% up to 14%, single private medical insurance and Medicash plan The Client: A global leader … of which comprise radio frequency signal generators plus computer systems running complex application software; all designed in-house. The Candidate: You'll be a technically strong and proactive Software Engineer with commercial experience developing software in C++ and Python. You'll have a passion for technology, a collaborative mindset, and a keen interest in working across the full product … all levels Maintain up-to-date knowledge of software engineering methodologies and programming languages Requirements: Degree-level qualification (or equivalent experience) Proven experience in developing software using C++ and Python Strong communication, analytical and problem-solving skills Team player with a collaborative and positive attitude Self-motivated with an eagerness to learn and adapt to new technologies Desirable: Background More ❯
Manchester, Lancashire, England, United Kingdom Hybrid / WFH Options
Interquest
Great opportunity for Senior Python Engineers to work remotely for a UK based AI scale-up. You'd join a large engineering department and would work within a cross functional product-based team responsible for building cloud-native, event-driven systems in a collaborative DevOps environment. The teams are responsible for all aspects of the product they work on … supporting systems in production, so you should expect to apply XP techniques like TDD and SOLID and be comfortable with practices like IaC, CI/CD and Observability. Skills: Python GCP, AWS Kubernetes, Docker, ECS FastAPI, Django PostgreSQL, MongoDB Serverless, Container-based and Event Driven Architectures The money is good too – up to £100k plus benefits including nonus, share More ❯
Manchester Area, United Kingdom Hybrid / WFH Options
ECOM
Great opportunity for Senior Python Engineers to work remotely for a UK based AI scale-up. You'd join a large engineering department and would work within a cross functional product-based team responsible for building cloud-native, event-driven systems in a collaborative DevOps environment. The teams are responsible for all aspects of the product they work on … supporting systems in production, so you should expect to apply XP techniques like TDD and SOLID and be comfortable with practices like IaC, CI/CD and Observability. Skills: Python GCP, AWS Kubernetes, Docker, ECS FastAPI, Django PostgreSQL, MongoDB Serverless, Container-based and Event Driven Architectures The money is good too – up to £100k plus benefits including nonus, share More ❯
london, south east england, united kingdom Hybrid / WFH Options
The Developer Link
Backend Engineer – London (Hybrid) Our client is a fast-growing software business delivering market-leading ticketing products to forward-thinking organisations worldwide. Their platform is used by hundreds of thousands of people and powers ticket sales for some of the world’s most prestigious live entertainment brands. They’re now looking for a Backend Engineer to play a … mentoring peers. Bringing passion, creativity, and technical expertise to every stage of the development process. Skills and experience needed: Proven experience building REST APIs with scalability in mind. Strong Python knowledge and ecosystem expertise. Proficiency in SQL and writing efficient queries. Experience with ORMs. Strong communicator and effective collaborator. Bonus points for: Experience with SQLAlchemy and FastAPI. Knowledge of More ❯
london (city of london), south east england, united kingdom Hybrid / WFH Options
The Developer Link
Backend Engineer – London (Hybrid) Our client is a fast-growing software business delivering market-leading ticketing products to forward-thinking organisations worldwide. Their platform is used by hundreds of thousands of people and powers ticket sales for some of the world’s most prestigious live entertainment brands. They’re now looking for a Backend Engineer to play a … mentoring peers. Bringing passion, creativity, and technical expertise to every stage of the development process. Skills and experience needed: Proven experience building REST APIs with scalability in mind. Strong Python knowledge and ecosystem expertise. Proficiency in SQL and writing efficient queries. Experience with ORMs. Strong communicator and effective collaborator. Bonus points for: Experience with SQLAlchemy and FastAPI. Knowledge of More ❯
slough, south east england, united kingdom Hybrid / WFH Options
The Developer Link
Backend Engineer – London (Hybrid) Our client is a fast-growing software business delivering market-leading ticketing products to forward-thinking organisations worldwide. Their platform is used by hundreds of thousands of people and powers ticket sales for some of the world’s most prestigious live entertainment brands. They’re now looking for a Backend Engineer to play a … mentoring peers. Bringing passion, creativity, and technical expertise to every stage of the development process. Skills and experience needed: Proven experience building REST APIs with scalability in mind. Strong Python knowledge and ecosystem expertise. Proficiency in SQL and writing efficient queries. Experience with ORMs. Strong communicator and effective collaborator. Bonus points for: Experience with SQLAlchemy and FastAPI. Knowledge of More ❯
Join Redslim as a Python Full Stack Engineer! At Redslim , were on a mission to harness the power of data to drive meaningful impact and positive change. We partner with some of the worlds most iconic consumer brands to turn complex datasets into transformative business intelligence solutions. Our commitment goes beyond innovation we care deeply about diversity, inclusion … and the professional growth & wellbeing of our people. Now, were looking for a skilled, curious, and collaborative Python Full Stack Engineer to join our TechnologyProduct team and help shape the future of scalable, data-driven systems. Work location On-site, hybrid, or remote in Spain, France, Portugal or the UK flexibility is at the heart of how we … us craft seamless digital experiences while driving forward our data engineering and cloud-based capabilities. Your key responsibilities will include: Design, develop, and maintain web applications and APIs using Python, dotnet and React. Leveraging the capabilities of LLMs in your daily work and in features we build Collaborate with data engineers to build, optimize, and maintain data pipelines and More ❯
london, south east england, united kingdom Hybrid / WFH Options
Ventula Consulting
Award winning FinTech now requires a Python Software Engineer to contribute towards the design and development of their market data solutions, ensuring their systems are engineered to a high standard. The role: Design and build our clients data solutions. Ensure system reliability and implement software engineering and company best practices. Collaborate with operations and product teams. Automate operational … tasks via the implementation of workflow management software. Key Responsibilities: Excellent Python and SQL skills. Minimum of 2 years FinTech, finance, Market data experience working as a software engineer. Linux experience Understanding of concepts in distributed systems. Excellent communicator with a strong desire to learn and solve problems. Desirable: C++, C, Java and Snowflake, Databricks This opportunity provides a More ❯
slough, south east england, united kingdom Hybrid / WFH Options
Ventula Consulting
Award winning FinTech now requires a Python Software Engineer to contribute towards the design and development of their market data solutions, ensuring their systems are engineered to a high standard. The role: Design and build our clients data solutions. Ensure system reliability and implement software engineering and company best practices. Collaborate with operations and product teams. Automate operational … tasks via the implementation of workflow management software. Key Responsibilities: Excellent Python and SQL skills. Minimum of 2 years FinTech, finance, Market data experience working as a software engineer. Linux experience Understanding of concepts in distributed systems. Excellent communicator with a strong desire to learn and solve problems. Desirable: C++, C, Java and Snowflake, Databricks This opportunity provides a More ❯
london (city of london), south east england, united kingdom Hybrid / WFH Options
Ventula Consulting
Award winning FinTech now requires a Python Software Engineer to contribute towards the design and development of their market data solutions, ensuring their systems are engineered to a high standard. The role: Design and build our clients data solutions. Ensure system reliability and implement software engineering and company best practices. Collaborate with operations and product teams. Automate operational … tasks via the implementation of workflow management software. Key Responsibilities: Excellent Python and SQL skills. Minimum of 2 years FinTech, finance, Market data experience working as a software engineer. Linux experience Understanding of concepts in distributed systems. Excellent communicator with a strong desire to learn and solve problems. Desirable: C++, C, Java and Snowflake, Databricks This opportunity provides a More ❯
We’re looking for a seasoned software engineer who thrives on building in new domains. This role sits at the intersection of infrastructure and networking, perfect for a developer who loves tackling unfamiliar technical areas, learns fast, and brings strong engineering fundamentals. You’ll be responsible for leading design discussions, owning projects end-to-end, and mentoring junior developers. … ll be doing: Designing and building tools and services that support networking and infrastructure teams Driving technical design conversations and guiding architectural decisions Leading by example with clean, scalable Python/Go development Mentoring junior engineers and raising the technical bar across the team Learning new areas quickly and applying your expertise to solve complex infrastructure problems What we … re looking for: 7+ years of hands-on software development experience (Python and/or Go strongly preferred) Proven track record of delivering production systems in infrastructure, Linux, or systems engineering environments Strong knowledge of Linux, ideally with experience building tooling or configuration management Excellent communication skills, able to clearly articulate ideas and collaborate with diverse teams A mindset More ❯
We’re looking for a seasoned software engineer who thrives on building in new domains. This role sits at the intersection of infrastructure and networking, perfect for a developer who loves tackling unfamiliar technical areas, learns fast, and brings strong engineering fundamentals. You’ll be responsible for leading design discussions, owning projects end-to-end, and mentoring junior developers. … ll be doing: Designing and building tools and services that support networking and infrastructure teams Driving technical design conversations and guiding architectural decisions Leading by example with clean, scalable Python/Go development Mentoring junior engineers and raising the technical bar across the team Learning new areas quickly and applying your expertise to solve complex infrastructure problems What we … re looking for: 7+ years of hands-on software development experience (Python and/or Go strongly preferred) Proven track record of delivering production systems in infrastructure, Linux, or systems engineering environments Strong knowledge of Linux, ideally with experience building tooling or configuration management Excellent communication skills, able to clearly articulate ideas and collaborate with diverse teams A mindset More ❯
london (city of london), south east england, united kingdom
Iceberg
We’re looking for a seasoned software engineer who thrives on building in new domains. This role sits at the intersection of infrastructure and networking, perfect for a developer who loves tackling unfamiliar technical areas, learns fast, and brings strong engineering fundamentals. You’ll be responsible for leading design discussions, owning projects end-to-end, and mentoring junior developers. … ll be doing: Designing and building tools and services that support networking and infrastructure teams Driving technical design conversations and guiding architectural decisions Leading by example with clean, scalable Python/Go development Mentoring junior engineers and raising the technical bar across the team Learning new areas quickly and applying your expertise to solve complex infrastructure problems What we … re looking for: 7+ years of hands-on software development experience (Python and/or Go strongly preferred) Proven track record of delivering production systems in infrastructure, Linux, or systems engineering environments Strong knowledge of Linux, ideally with experience building tooling or configuration management Excellent communication skills, able to clearly articulate ideas and collaborate with diverse teams A mindset More ❯
Reading, England, United Kingdom Hybrid / WFH Options
Humand Talent
UK) or surrounding areas Do you thrive on solving infrastructure challenges and designing resilient systems? Are you excited by the idea of being the first dedicated DevOps/Platform Engineer in a growing, high-impact team? Looking for an opportunity where your decisions shape the future of development, deployment, and monitoring infrastructure? A Unique Career Opportunity Our client is … seeking a Senior Platform Engineer to take ownership of a broad, stimulating technical landscape that blends infrastructure automation, monitoring, deployment strategy, and CI/CD tooling. You will be the first dedicated Platform professional in the team, stepping into a high-impact role previously shared between software engineers and IT specialists. This is your opportunity to shape foundational systems … DevOps, systems engineering, and infrastructure-as-code. The Stack You’ll Work With Here’s a flavour of the tools and technologies you’ll get your hands on: Languages : Python, Rust, shell scripting Automation : Ansible (preferred), Infrastructure-as-Code practices Monitoring : Grafana, InfluxDB (self-hosted) CI/CD : GitHub Actions, local custom runners for hardware-based testing Infrastructure : Docker More ❯
slough, south east england, united kingdom Hybrid / WFH Options
Humand Talent
UK) or surrounding areas Do you thrive on solving infrastructure challenges and designing resilient systems? Are you excited by the idea of being the first dedicated DevOps/Platform Engineer in a growing, high-impact team? Looking for an opportunity where your decisions shape the future of development, deployment, and monitoring infrastructure? A Unique Career Opportunity Our client is … seeking a Senior Platform Engineer to take ownership of a broad, stimulating technical landscape that blends infrastructure automation, monitoring, deployment strategy, and CI/CD tooling. You will be the first dedicated Platform professional in the team, stepping into a high-impact role previously shared between software engineers and IT specialists. This is your opportunity to shape foundational systems … DevOps, systems engineering, and infrastructure-as-code. The Stack You’ll Work With Here’s a flavour of the tools and technologies you’ll get your hands on: Languages : Python, Rust, shell scripting Automation : Ansible (preferred), Infrastructure-as-Code practices Monitoring : Grafana, InfluxDB (self-hosted) CI/CD : GitHub Actions, local custom runners for hardware-based testing Infrastructure : Docker More ❯
backend services, integrations, and workflow logic for cutting-edge SaaS applications. Key Focus Areas: Work with automation-generated code and make it production-ready Build robust backend services using Python APIs and data workflows Create seamless integrations with external systems Champion AI-assisted development practices across the engineering team What You'll Do: Own backend features and API integrations … Python, FastAPI, gRPC, SQL) Adapt and extend auto-generated pipelines and front-end outputs Build connectors for APIs, files, and external systems Integrate LLM-based capabilities with robust evaluation and monitoring Champion AI-assisted development practices and tools Set up guardrails and context packs for AI-powered workflows Mentor team members on AI development best practices Help the team … AI tools Work closely with cross-functional teams including Solution Strategists, Data Platform, and Support teams Contribute to architectural decisions and technical strategy What We're Looking For: Strong Python backend/API development experience Solid SQL and data modeling capabilities A solid background within start-ups and able to work on multiple projects similtaneously Proven experience with integrations More ❯
backend services, integrations, and workflow logic for cutting-edge SaaS applications. Key Focus Areas: Work with automation-generated code and make it production-ready Build robust backend services using Python APIs and data workflows Create seamless integrations with external systems Champion AI-assisted development practices across the engineering team What You'll Do: Own backend features and API integrations … Python, FastAPI, gRPC, SQL) Adapt and extend auto-generated pipelines and front-end outputs Build connectors for APIs, files, and external systems Integrate LLM-based capabilities with robust evaluation and monitoring Champion AI-assisted development practices and tools Set up guardrails and context packs for AI-powered workflows Mentor team members on AI development best practices Help the team … AI tools Work closely with cross-functional teams including Solution Strategists, Data Platform, and Support teams Contribute to architectural decisions and technical strategy What We're Looking For: Strong Python backend/API development experience Solid SQL and data modeling capabilities A solid background within start-ups and able to work on multiple projects similtaneously Proven experience with integrations More ❯
london (city of london), south east england, united kingdom
Primis
backend services, integrations, and workflow logic for cutting-edge SaaS applications. Key Focus Areas: Work with automation-generated code and make it production-ready Build robust backend services using Python APIs and data workflows Create seamless integrations with external systems Champion AI-assisted development practices across the engineering team What You'll Do: Own backend features and API integrations … Python, FastAPI, gRPC, SQL) Adapt and extend auto-generated pipelines and front-end outputs Build connectors for APIs, files, and external systems Integrate LLM-based capabilities with robust evaluation and monitoring Champion AI-assisted development practices and tools Set up guardrails and context packs for AI-powered workflows Mentor team members on AI development best practices Help the team … AI tools Work closely with cross-functional teams including Solution Strategists, Data Platform, and Support teams Contribute to architectural decisions and technical strategy What We're Looking For: Strong Python backend/API development experience Solid SQL and data modeling capabilities A solid background within start-ups and able to work on multiple projects similtaneously Proven experience with integrations More ❯
Greater Bristol Area, United Kingdom Hybrid / WFH Options
Harnham
innovative ideas into production. Ensuring code quality through testing, documentation, and peer review. 🎯 What we’re looking for: 4+ years’ experience building enterprise-grade applications. Strong backend skills in Python (FastAPI, Flask) with experience designing APIs and integrating databases (e.g. GraphDB, CosmosDB, SQL). Solid frontend development skills in React, TypeScript/JavaScript, HTML, and CSS . Experience developing More ❯
newport, wales, united kingdom Hybrid / WFH Options
Harnham
innovative ideas into production. Ensuring code quality through testing, documentation, and peer review. 🎯 What we’re looking for: 4+ years’ experience building enterprise-grade applications. Strong backend skills in Python (FastAPI, Flask) with experience designing APIs and integrating databases (e.g. GraphDB, CosmosDB, SQL). Solid frontend development skills in React, TypeScript/JavaScript, HTML, and CSS . Experience developing More ❯
Bristol, Avon, England, United Kingdom Hybrid / WFH Options
Harnham - Data & Analytics Recruitment
innovative ideas into production. Ensuring code quality through testing, documentation, and peer review. What we're looking for: 4+ years' experience building enterprise-grade applications. Strong backend skills in Python (FastAPI, Flask) with experience designing APIs and integrating databases (e.g. GraphDB, CosmosDB, SQL). Solid frontend development skills in React, TypeScript/JavaScript, HTML, and CSS . Experience developing More ❯