251 to 275 of 649 Software Engineering Jobs in London

Senior Software/DevOps Engineer - High Frequency Trading Firm - London

Hiring Organisation
Mondrian Alpha
Location
City of London, London, United Kingdom
client, a highly prestigious hedge fund, is seeking a DevOps Engineer with a strong developer background to join their Platform Engineering team in London. Embedded within a high-performing technology function, you will play a key role in evolving a modern, GitOps-driven platform, working at the intersection … software engineering and infrastructure. This role is heavily focused on Kubernetes in bare metal environments, ArgoCD, and developer-led platform engineering, and will suit an engineer who has transitioned from a development background into DevOps or platform roles. You will take ownership of Kubernetes cluster design ...

Principal Software Engineer

Hiring Organisation
83zero Limited
Location
City of London, London, United Kingdom
Employment Type
Permanent, Work From Home
Principal Full Stack Software Engineer Location: Hybrid - 1-2 days a week Salary: £110-130k + 10% Bonus Type: Permanent No Sponsorship Available Overview: We are seeking a Principal Full Stack Software Engineer to lead the design, development, and delivery of scalable, high-performance applications across … modern cloud-based architecture. This is a senior, hands-on leadership role where you will shape technical direction, influence engineering standards, and drive best practice across the full software development lifecycle. You will work closely with product, architecture, and leadership teams to deliver robust, user-centric solutions while ...

Principal Software Engineer

Hiring Organisation
83zero Ltd
Location
London, Lime Street, United Kingdom
Employment Type
Permanent
Salary
£110000 - £130000/annum
Principal Full Stack Software Engineer Location: Hybrid - 1-2 days a week Salary: £(Apply online only)k + 10% Bonus Type: Permanent No Sponsorship Available Overview: We are seeking a Principal Full Stack Software Engineer to lead the design, development, and delivery of scalable, high-performance applications across … modern cloud-based architecture. This is a senior, hands-on leadership role where you will shape technical direction, influence engineering standards, and drive best practice across the full software development lifecycle. You will work closely with product, architecture, and leadership teams to deliver robust, user-centric solutions while ...

AWS Connect Architect

Hiring Organisation
Randstad Technologies Recruitment
Location
London, United Kingdom
Employment Type
Permanent
Salary
£90000 - £100000/annum
ServiceNow and Salesforce using AWS Lambda and API Gateway. Automation: Implement "Contact Center as Code" using Terraform or CloudFormation to ensure scalable, repeatable deployments. Engineering: Develop microservices-based solutions to enhance contact center functionality and performance monitoring (CloudWatch). Collaboration: Partner with stakeholders to translate business requirements into robust … Mandatory Skills: AWS Iaas, CI/CD Architecture, Performance Monitoring- Cloud Native (Aws Cloud Watch, Azure Cloud Monitor) - Testing, SOA and Microservices Based Architecture, Software Engineering and Design Architecture Randstad Technologies Ltd is a leading specialist recruitment business for the IT & Engineering industries. Please note that ...

Golang Engineer

Hiring Organisation
Zensar Technologies
Location
London, United Kingdom
Employment Type
Permanent
relooking for an enthusiastic, diligent Golang Software Engineer to work on the global Loyalty and Benefits platform. The candidate should have excellent softskills,strong technical ability with an extensive passion to learn. A modern microservice-based Loyalty and Benefits platform, designed to be able to handle all aspects … using modern tools such as Golang, Kafka and Docker, there isample opportunityto drive innovation and grow knowledge and skills as an Engineer. As a Software Engineer onanScrum team, you will be building and enhancing features in the Account domain. You will also coordinate and work with other Engineers across ...

Senior Flutter Engineer

Hiring Organisation
AJ BELL BUSINESS SOLUTIONS LIMITED
Location
South East London, London, United Kingdom
Employment Type
Permanent, Work From Home
developing, shaping, and iterating our customer facing Flutter applications. What does the job involve? Working with product owners, product managers, UXD and other software engineers to architect solutions and write technical documents that identify software project requirements. You and your team will be responsible for an overall company … goal, rather than building a specific feature. Write well-formulated, testable and readable code using appropriate software paradigms. Lead the evolution of development in the team, via pairing with others, reviewing pull requests, and advocating development standards to be followed by existing and new team members. Ensure accessibility ...

Senior Back End Engineer

Hiring Organisation
W Talent
Location
London, United Kingdom
Employment Type
Permanent
Salary
£80000 - £120000/annum
engineers Develop data-driven backend services and pipelines Support production systems and deployments within a small, high-performing team Qualifications 5+ years of professional software engineering experience Strong Python expertise with backend development experience Proven experience with FastAPI and/or Django, REST APIs, and PostgreSQL Experience integrating … image processing and computer vision Experience with Docker, GitHub, and modern deployment workflows Knowledge of cloud platforms (AWS, GCP, or Azure) Strong understanding of software design principles (SOLID, patterns, clean code) Experience with BaaS platforms such as Supabase or Firebase Ability to thrive in fast-paced, high-ownership environments ...

Machine Learning Engineer PyTorch LLM

Hiring Organisation
Client Server
Location
East London, London, United Kingdom
Employment Type
Permanent, Work From Home
influence Your role: As a Machine Learning Engineer you'll take open-source LLMs (code and general models) and turn them into high-performance software engineer agents using supervised fine tuning and large scale reinforcement learning. This isn't prompt engineering. You'll design and run serious training experiments … debugging NCCL issues at 2am, and squeezing performance out of multi-GPU jobs. You'll help design opinionated reward functions that reflect what great engineering actually looks like, not just benchmark scores. You'll extend benchmark suites, test models on real world repositories, analyse failure modes and feed insights ...

Kubernetes Engineer

Hiring Organisation
Arcus Search
Location
City of London, London, United Kingdom
Kubernetes Software Engineer - Up to £150k (flexible) + Bonus 📍 London (hybrid) A highly technical, engineering-led firm within the quant space is looking for a Software Engineer to work on a large-scale container platform that underpins critical systems. The role Building and improving core components … performance of distributed systems Contributing to platform reliability, scalability, and efficiency Collaborating closely with infrastructure and platform teams Writing production-quality code and improving engineering standards Scale/environment High-throughput distributed systems processing millions of workloads daily Infrastructure spanning large compute clusters and GPU workloads Highly automated environment ...

Forward Deployed Engineer

Hiring Organisation
Novatus
Location
London Area, United Kingdom
Engineer Job Overview: As Novatus Global continues to grow and expand, we are looking to add an experienced Forward Deployed Engineer to our onboarding engineering team. This role is critical to the successful implementation of the En:ACT platform for our clients. The successful candidate will work closely with … onboarding data pipeline through automation, testing and observability. Mentor team members and continuously improve team processes. Champion AI tooling adoption across the engineering team, helping establish norms for AI-assisted development. Collaborate with business analysts, implementation managers and client technical teams to understand client data and reporting requirements. Required ...

Senior Golang Engineer

Hiring Organisation
PCR Digital
Location
City of London, London, United Kingdom
Employment Type
Contract
Contract Rate
£600 - £650/day Inside IR35
Senior Software Engineer - Golang Information Security £650 per day - Inside IR35 3 days per week on-site, 2 days WFH 3 Month rolling contract up to 2 years Job Summary The Information Security team is responsible for developing services to find and mitigate security risks faced. We are seeking … extraordinary Software Engineer who is passionate about security and can thrive in a fast-paced environment where both individual drive and team collaboration are the keys to success. As part of the Information Security team, you'll be at the forefront of developing cutting-edge services to identify ...

Senior Backend Engineer Golang - Security

Hiring Organisation
PCR Recruitment Limited
Location
City of London, London, United Kingdom
Employment Type
Contract, Work From Home
Contract Rate
£600 - £650 per day + Inside IR35
Senior Software Engineer - Golang Information Security £600-650 per day - Inside IR35 3 days per week on-site, 2 days WFH 3 Month rolling contract up to 2 years Job Summary The Information Security team is responsible for developing services to find and mitigate security risks faced. … seeking an extraordinary Software Engineer who is passionate about security and can thrive in a fast-paced environment where both individual drive and team collaboration are the keys to success. As part of the Information Security team, you'll be at the forefront of developing cutting-edge services ...

Software Engineer

Hiring Organisation
CipherTek Recruitment
Location
London Area, United Kingdom
join their high-impact Capital Markets Technology team in London. This is a unique opportunity to bridge the worlds of quantitative analysis and software engineering—delivering cutting-edge solutions to drive pricing, risk management, and liquidity strategies in real-time trading environments. 🔍 About the Role As a Senior … complex financial models into high-performance, production-ready systems—driving both innovation and stability in capital markets technology. 🎓 Qualifications Required: Degree in Computer Science, Engineering, Mathematics, Physics, or similar. 10+ years of hands-on development experience in C#/.NET . Solid grasp of financial instruments (equities, derivatives, fixed ...

Technical Architect

Hiring Organisation
trg.recruitment
Location
London Area, United Kingdom
SaaS/PaaS company. They operate across fintech, core banking, insurance, and financial services. Searching for an Azure Architect who comes from a software engineering background. What They Are Looking For Well-seasoned Architect with an Azure background. .NET Core expertise - this is non-negotiable Microservices architecture ...

Data Architect

Hiring Organisation
Anson Mccade
Location
London, United Kingdom
Employment Type
Permanent
Salary
£80,000
principles Leading, mentoring, and developing other engineers and architects What were looking for: Strong experience as a Data Architect within complex environments Background in software engineering (Java, Scala, or Python preferred) Experience with Big Data technologies and distributed data platforms Strong knowledge of Microsoft Azure and cloud-based ...

Member of Technical Staff - Robotics

Hiring Organisation
ANDROID.AI
Location
London, England, United Kingdom
believe the future of computing is embodied, and alive. We’re looking for a Member of Technical Staff (Robotics) to join our early engineering team in London and Hertforshire. This is a rare opportunity to help shape a new category of consumer technology from the ground up. … What You’ll Work On Robotics design and electromechanical systems CAD modelling and rapid prototyping 3D printing and fabrication workflows Systems controls and embedded software Sensor integration and hardware bring-up Robotics software engineering and experimentation Cross-functional R&D across AI, robotics, and product ...

Technical Lead Ruby TypeScript - Developer Experience

Hiring Organisation
Client Server
Location
East London, London, United Kingdom
Employment Type
Permanent, Work From Home
friendly office in North London for tech talks, lunch and learn events etc. around once a month. About you: You're a senior software engineer with experience of building developer tooling and APIs You have strong hands-on experience with Ruby, TypeScript and React You have experience within ...

Software Engineer

Hiring Organisation
cto.new
Location
Greater London, England, United Kingdom
serving over 100,000s users, and making AI accessible by offering cto free forever. We’re looking for a full-stack engineer with good software engineering fundamentals and real experience shipping LLM-powered agentic systems. You’d be joining a small team building cto.new and shaping ...

Software Engineer (Python/React) - Up to 140k + Bonus

Hiring Organisation
Hunter Bond
Location
London Area, United Kingdom
Software Engineer (Python/React) Location: London (Hybrid) Experience: 1-5 Years Sector: Elite FinTech Firm Compensation: Up to £140,000 Base + Industry Leading Bonus + Comprehensive Package A leading FinTech firm in London is seeking a talented Software Engineer to join its growing technology team. This … could be working on: • Some of the world’s most performant ETL pipelines that deal with billions of data points every second • Software solutions/products with scale, reliability and latency considerations in mind • R&D work for functional programming (either pre-existing languages (such as Rust and Erlang ...

C# Developer - Top Market Maker - London

Hiring Organisation
Radley James
Location
City of London, London, United Kingdom
Fixed Income Trading team in London and is seeking a junior to mid-level C# Developer to join a high-impact, front-office engineering environment. You’ll work directly with traders, quants, and strategy developers to build and enhance trading tools and systems that support pricing, execution, and research … researchers to enable new trading strategies Build scalable, low-latency systems and data pipelines handling large volumes of market data Contribute across the full software development lifecycle, from design to production support Continuously improve system stability, performance, and usability in a fast-moving trading environment Qualifications: 1–8 years ...

Software Engineering Manager - Technical Delivery

Hiring Organisation
The Curve Group
Location
City, London, United Kingdom
Employment Type
Permanent
Salary
GBP Annual
leading UK financial services provider is seeking a highly experienced Engineering Manager to lead multiple squads within their retail engineering function. This new, high-impact role will be pivotal in ensuring delivery excellence, technical oversight, and strong alignment with business and regulatory priorities click apply for full ...

Lead Python Engineer

Hiring Organisation
DeepRec.ai
Location
London Area, United Kingdom
Lead AI Python Engineer We’re working with an early-stage AI product company in London building software that automates real-world operational workflows using Python and applied AI. This is a hands-on engineering role focused on designing and building backend systems, APIs, and data-driven workflows … features into workflows Improving system performance, reliability, and maintainability Collaborating cross-functionally to deliver features end to end Key requirements: 4 to 8 years software engineering experience Strong Python backend skills, APIs, and frameworks such as FastAPI, Flask, or Django Experience building production systems in a startup ...

Data Scientist - Principal

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
Partner with game teams to define success metrics, guardrails, and decision frameworks, translating analytical results into actionable product and operational actions.* Define and uphold engineering standards and guidelines for model development, including validation, uncertainty, reproducibility, and bias/quality checks.* Drive scalable experimentation with A/B and Multi … armed bandit testing frameworks, power analysis, variance reduction, and online-offline alignment.* Work together with Data Engineering, MLOps, and Game Tech teams to guarantee dependable data foundations, feature accessibility, and model deployment pathways.* Build internal data products to improve the speed and quality of decision-making, such ...

Data Scientist - Principal

Hiring Organisation
Aristocrat
Location
Greater London, United Kingdom
Employment Type
Full Time
Partner with game teams to define success metrics, guardrails, and decision frameworks, translating analytical results into actionable product and operational actions. Define and uphold engineering standards and guidelines for model development, including validation, uncertainty, reproducibility, and bias/quality checks. Drive scalable experimentation with A/B and Multi … armed bandit testing frameworks, power analysis, variance reduction, and online-offline alignment. Work together with Data Engineering, MLOps, and Game Tech teams to guarantee dependable data foundations, feature accessibility, and model deployment pathways. Build internal data products to improve the speed and quality of decision-making, such ...

Software Engineer

Hiring Organisation
Hunter Bond
Location
London Area, United Kingdom
Full Stack Developer (React/Python) - Up to £200k + Exceptional Bonus - Elite FinTech Firm - London We are looking for Software Developers who like working on complex, performant systems! Job Title: Full Stack Developer Industry: Elite FinTech Compensation: Up to £200k + Bonus Location: London (Hybrid) As part … writing clear, efficient implementations that support long-term stability and system growth. We are looking for engineers who have: A degree in Computer Science, Software Engineering, or a closely related technical field. Demonstrated expertise developing production-grade full stack applications using a React and Python ecosystem. Prior exposure ...