101 to 125 of 231 Senior Jobs in the City of London

Senior Fullstack Developer (React, Node.js) Salary: £75,000 - £95,000 Location: Hybrid in London. Senior Fullstack Developer - would you like the opportunity to work for a market leading organisation, currently delivering to over 150 countries worldwide? You will be joining a technology team who have a passion for innovation, collaboration … and providing the best service to their customers as well as embracing new ideas, technologies and approaches. As a Senior Fullstack developer, you will be joining one of their Fullstack development teams working on Node.js and React, building out their suite of business applications and APIs. The company has grown … depth understanding of JavaScript and Node.js/React and have some experience of coaching or mentoring teams in the past. Essential skills for a Senior Fullstack Engineer: Fullstack JavaScript and Node.js development experience. Hands on experience of developing REST web services and API's. Knowledge and experience of deploying to More ❯

Senior IT Support Analyst – 6 Month FTC Full Time | Office Based | City of London £50,000 - £60,000 per annum Is this the Senior IT Support Analyst role for you? Crone Corkill are assisting a financial client as they look to bring in a personable 2nd/3rd Line focused … Senior IT Support Analyst to the team on an initial 6 month fixed term contract, with potential to be extended/made permanent thereafter. The business is currently in the process of implementing a complex financial platform, so need another resource to assist with BAU and less complex projects. Due … do not have relevant experience working within the financial/banking industry, you’re unlikely to be considered. What will you do as a Senior IT Support Analyst? Act as an escalation point for 1st Line and resolve 2nd & 3rd Line issues Design, implement, and troubleshoot Windows Server services including More ❯

Job Title: Senior Site Reliability Engineer (SRE) Location: Central London (Hybrid - c. 1-2 days per week) Salary: £80,000 - £100,000 + benefits Why Apply? This is a fantastic opportunity for a seasoned Senior Site Reliability Engineer to take a lead role in shaping the infrastructure and operational strategy … the most innovative businesses in their market. Working with cutting-edge technology, this role offers high-impact challenges, meaningful collaboration, and excellent career progression. Senior SRE Responsibilities Manage and optimise cloud infrastructure to ensure scalability, high availability, and security. Design and implement robust CI/CD pipelines for efficient product … tools like GitlabCI, Terraform/OpenTofu, Ansible, and scripting languages such as PowerShell or Python. Champion infrastructure best practices and mentor junior team members. Senior SRE Requirements Extensive experience in SRE or DevOps roles within high-availability, cloud-native environments. Strong expertise with AWS (including EKS, MSK, RDS, VPC design More ❯

Job Title: Senior Site Reliability Engineer (SRE) Location: Central London (Hybrid - c. 1-2 days per week) Salary: £80,000 - £100,000 + benefits Why Apply? This is a fantastic opportunity for a seasoned Senior Site Reliability Engineer to take a lead role in shaping the infrastructure and operational strategy … the most innovative businesses in their market. Working with cutting-edge technology, this role offers high-impact challenges, meaningful collaboration, and excellent career progression. Senior SRE Responsibilities Manage and optimise cloud infrastructure to ensure scalability, high availability, and security. Design and implement robust CI/CD pipelines for efficient product … tools like GitlabCI, Terraform/OpenTofu, Ansible, and scripting languages such as PowerShell or Python. Champion infrastructure best practices and mentor junior team members. Senior SRE Requirements Extensive experience in SRE or DevOps roles within high-availability, cloud-native environments. Strong expertise with AWS (including EKS, MSK, RDS, VPC design More ❯

Senior Trading Software Developers required for an excellent client who are in the trading industry and their office is based in the City of London. The successful Software Developer will join a small but extremely talented development team. You will be exposed to creating and maintaining our client's own More ❯

Senior Trading Software Developers required for an excellent client who are in the trading industry and their office is based in the City of London. The successful Software Developer will join a small but extremely talented development team. You will be exposed to creating and maintaining our client's own More ❯

TL;DR 🧢 Role | Senior Software Engineer/Tech Lead 💫 Company | InsurTech, Scale-up, Data 📏 Size | c.200 🎯 Areas | B2B SaaS ✨ Tech | Python, JVM, React, Typescript 📍 Based | London (Zone 1) 💻 Hybrid | 2 days a week in London office 💰 Offer | Around £115k + bonus & excellent benefits Hi 👋 Workonomics are partnering with an InsurTech … received over half a billion $ in funding. 2025 is the year they 10x their client base. That's where you come in... 💥 As a Senior Engineer/Technical Lead you will: build robust and scalable software for high-volume web-based applications working across the stack. inherit a small but … React/Typescript on the front-end. You'll most likely lean towards the back-end in your past experience though. may be a Senior Eng looking to take the next step, an established Technical Lead, a Staff Engineer or even an EM who wants to get back hands on. More ❯

TL;DR 🧢 Role | Senior Software Engineer/Tech Lead 💫 Company | InsurTech, Scale-up, Data 📏 Size | c.200 🎯 Areas | B2B SaaS ✨ Tech | Python, JVM, React, Typescript 📍 Based | London (Zone 1) 💻 Hybrid | 2 days a week in London office 💰 Offer | Around £115k + bonus & excellent benefits Hi 👋 Workonomics are partnering with an InsurTech … received over half a billion $ in funding. 2025 is the year they 10x their client base. That's where you come in... 💥 As a Senior Engineer/Technical Lead you will: build robust and scalable software for high-volume web-based applications working across the stack. inherit a small but … React/Typescript on the front-end. You'll most likely lean towards the back-end in your past experience though. may be a Senior Eng looking to take the next step, an established Technical Lead, a Staff Engineer or even an EM who wants to get back hands on. More ❯

Job Title: Senior Site Reliability Engineer (SRE) Location: Central London (Hybrid - c. 1-2 days per week) Salary: £80,000 - £100,000 + benefits Why Apply? This is a fantastic opportunity for a seasoned Senior Site Reliability Engineer to take a lead role in shaping the infrastructure and operational strategy … the most innovative businesses in their market. Working with cutting-edge technology, this role offers high-impact challenges, meaningful collaboration, and excellent career progression. Senior SRE Responsibilities Manage and optimise cloud infrastructure to ensure scalability, high availability, and security. Design and implement robust CI/CD pipelines for efficient product … tools like GitlabCI, Terraform/OpenTofu, Ansible, and scripting languages such as PowerShell or Python. Champion infrastructure best practices and mentor junior team members. Senior SRE Requirements Extensive experience in SRE or DevOps roles within high-availability, cloud-native environments. Strong expertise with AWS (including EKS, MSK, RDS, VPC design More ❯

TL;DR 🧢 Role | Senior Software Engineer/Tech Lead 💫 Company | InsurTech, Scale-up, Data 📏 Size | c.200 🎯 Areas | B2B SaaS ✨ Tech | Python, JVM, React, Typescript 📍 Based | London (Zone 1) 💻 Hybrid | 2 days a week in London office 💰 Offer | Around £115k + bonus & excellent benefits Hi 👋 Workonomics are partnering with an InsurTech … received over half a billion $ in funding. 2025 is the year they 10x their client base. That's where you come in... 💥 As a Senior Engineer/Technical Lead you will: build robust and scalable software for high-volume web-based applications working across the stack. inherit a small but … React/Typescript on the front-end. You'll most likely lean towards the back-end in your past experience though. may be a Senior Eng looking to take the next step, an established Technical Lead, a Staff Engineer or even an EM who wants to get back hands on. More ❯

Senior Trading Software Developers required for an excellent client who are in the trading industry and their office is based in the City of London. The successful Software Developer will join a small but extremely talented development team. You will be exposed to creating and maintaining our client's own More ❯

A Senior Golang Developer is required to join the team powering one of the most respected names in crypto media, data, and events. As a key part of our growing engineering team, you’ll help build and scale high-throughput, real-time data systems that deliver trusted cryptocurrency market insights More ❯

to work as you please - all that matters is execution. Join us and help lay the foundation for a decentralized future. Currently looking for: Senior Backend Developer Remote Key responsibilities As a senior Backend Developer, you will be a part of the team that works on the development of the More ❯

We are looking for an experienced Senior Market Risk Consultant for a contract through to 31st March 2026. The role is with our London-based banking client. Rate of pay: £590 -920 per day inside IR35 via an umbrella company Hybrid: City of London 3 days a week; 2 days … a week remote working This Senior Market Risk Consultant will implement solutions across the EMEA region. Responsibilities include: 10+ years of experience in a similar technology delivery role in Commercial and Investment Banking Market Risk IT domain Extensive knowledge in Market Risk methodologies, analytics, and reporting. This includes architecting solutions More ❯

We are looking for an experienced Senior Market Risk Consultant for a contract through to 31st March 2026. The role is with our London-based banking client. Rate of pay: £590 -920 per day inside IR35 via an umbrella company Hybrid: City of London 3 days a week; 2 days … a week remote working This Senior Market Risk Consultant will implement solutions across the EMEA region. Responsibilities include: 10+ years of experience in a similar technology delivery role in Commercial and Investment Banking Market Risk IT domain Extensive knowledge in Market Risk methodologies, analytics, and reporting. This includes architecting solutions More ❯

I am exclusively supporting a FinTech Product Company who are currently hiring for 2 x Senior Software Engineers to join their remote engineering team. They are profitable and already have their product (which i can expand on) used by a number of enterprise clients. They are looking for a confident … experienced & passionate Senior Software Engineer with a product mindset and a deep understanding of Software Engineering. As a business, they are heavily driven by quality engineering & innovation and try to do things in a product mindset based around their end users. The role is FULL-STACK but definitely leaning towards More ❯

I am exclusively supporting a FinTech Product Company who are currently hiring for 2 x Senior Software Engineers to join their remote engineering team. They are profitable and already have their product (which i can expand on) used by a number of enterprise clients. They are looking for a confident … experienced & passionate Senior Software Engineer with a product mindset and a deep understanding of Software Engineering. As a business, they are heavily driven by quality engineering & innovation and try to do things in a product mindset based around their end users. The role is FULL-STACK but definitely leaning towards More ❯

I am exclusively supporting a FinTech Product Company who are currently hiring for 2 x Senior Software Engineers to join their remote engineering team. They are profitable and already have their product (which i can expand on) used by a number of enterprise clients. They are looking for a confident … experienced & passionate Senior Software Engineer with a product mindset and a deep understanding of Software Engineering. As a business, they are heavily driven by quality engineering & innovation and try to do things in a product mindset based around their end users. The role is FULL-STACK but definitely leaning towards More ❯

Overview Geostablization International is seeking an experienced and strategic Senior Director of Business IT Systems to be based in Westminster, CO, with a clear pathway to evolve into the Chief Information Officer (CIO) role over the long term. In this leadership position, you will drive the development, implementation, and optimization … within budget, and to high-quality standards. Utilize robust project management methodologies and tools to monitor progress, manage risks, and communicate project status to senior leadership. Facilitate cross-functional collaboration and maintain strong communication channels among stakeholders. Oversee M&A IT Activities: Assess technology infrastructure as part of due diligence … similar ERP as a primary business application. Familiarity with related systems such as B2W, Zendesk and PowerBI is highly desirable. Proven experience in a senior IT leadership role (Director or equivalent), with a strong background in systems integration and technology strategy. Extensive experience managing complex IT projects, with a record More ❯

+ Bonus Work Arrangement: 1 day remote Industry: HR Tech Start Up We're working with a client who is looking for a Senior Sales Operations Analyst to join the Strategy Team and play a pivotal role in supporting the UK Revenue Organisation. This position is ideal for someone who More ❯

understand complex data, so that governments, nation states, armed forces and commercial businesses can unlock digital advantage in the most demanding environments. Job Title: Senior Data Engineer Location: London - We offer a range of hybrid and flexible working arrangements - please speak to your recruiter about the options for this particular More ❯

Senior Lead Scala Engineer | HYBRID (London 2 days a week) | Up to £120,000|20% BONUS We are delighted to be partnered with a global financial services organisation who are looking to hire an experienced senior software engineer to join their innovative team to work on exciting greenfield projects within … infrastructure such as Kafka and MQ Experience with cloud (preferably AWS) Desire to learn, improve and innovate, with high development standards No Sponsorship offered. Senior Lead Scala Engineer | HYBRID (London 2 days a week) | Up to £120,000|20% BONUS For more information please send your CV to me on More ❯

Role : Senior, Staff & Principal Engineers Salary range: 90 - 150k (+ equity) Location : Central London (x3 days per week onsite - Tue/Wed/Thurs) Tech stack includes : Typescript, React, Material UI, NodeJS, Postgres, AWS (Serverless) Current team size : 20 Engineers We're working with a B2B SaaS startup company based More ❯

Job Title: Senior IT Engineer Location: Central London (hybrid- 3 days onsite) Industry: Finance Salary: £35-40k per annum (DOE) The Role: We are seeking a Senior IT Support Analyst who will act as an escalation point for IT support issues, whilst getting involved with niche aspects of the More ❯

A world class Tech Organisation are looking for a Senior Data Scientist (MLOps) to join their division in London on a hybrid basis - opportunity to join a really innovative environment where you'll work with cutting edge technologies. The company: The organisation have been running very successfully now for over … as so many of their staff members have long and successful careers with the business. The role: You'll be joining a multi-disciplinary Senior squad of roughly 6 consisting of Principle and Senior Software Engineers, Data Engineers and Data Scientists, and will be tasked with supporting machine learning teams … practices, addressing bottlenecks in inference and retraining pipelines, and resolving production issues to enhance system robustness and cost efficiency. Key skills and experience: ** Prior Senior Data Scientist with Machine Learning experience ** Strong understanding and experience with ML models and ML observability tools ** Strong Python and SQL experience ** Spark/Apache More ❯