1 to 25 of 221 Software Engineering Jobs in the City of London

Office-Led Working] Role Overview We’re partnering with a leading global trading and technology firm as it continues to expand its broader cybersecurity engineering capability across multiple international locations. This role is intentionally broad in scope, designed for strong software-oriented security engineers who may sit across … offensive security, defensive engineering, infrastructure security, detection, tooling, or platform protection rather than one narrowly defined domain. The environment is highly engineering-led, with a strong preference for technically exceptional generalists who enjoy building, automating, and solving security problems through software and systems thinking. Successful candidates will ...

supports customers in two ways: first, by accelerating frontier research with high-quality data, advanced training pipelines, plus top AI researchers who specialize in software engineering, logical reasoning, STEM, multilinguality, multimodality, and agents; and second, by applying that expertise to help enterprises transform AI from proof of concept … into proprietary intelligence with systems that perform reliably, deliver measurable impact, and drive lasting results on the P&L. Project Overview: As a Software Engineering evaluator, you will create cutting-edge datasets for training, benchmarking, and advancing large language models, collaborating closely with researchers. This includes curating code ...

supports customers in two ways: first, by accelerating frontier research with high-quality data, advanced training pipelines, plus top AI researchers who specialize in software engineering, logical reasoning, STEM, multilinguality, multimodality, and agents; and second, by applying that expertise to help enterprises transform AI from proof of concept … Background: This role is ideal for engineers who have built production systems at companies like Google, Microsoft, Apple, Amazon, Meta, or similar high-scale engineering organizations. We especially welcome graduates from leading programs such as Harvard, Columbia, Princeton, Yale, University of Pennsylvania, and comparable institutions — though exceptional experience ...

DevOps Engineer with Software Engineering Background, from a top 5 university. £90K - £110K + benefits 2-4 years of commercial experience Remote in the UK We're partnered with a SaaS business in London, who are looking for 3 DevOps Engineers who come from a software engineering … business projected to grow to 200 employees by the end of 2026. DevOps to them, is a way of operating, but still in a software engineering mindset. A suitable candidate for this role will have strong software engineering skills in Python, Java, TypeScript, etc, but with ...

White Collar Factory (95009), United Kingdom, London, London Engineering Manager - Software & ML About this role We are looking for a Software Engineering Manager who brings a solid foundation in modern development and some experience with Machine Learning environments . You'll lead and grow a team … that builds the core software powering our data-driven financial products, ensuring our models are integrated into seamless, consumer-facing experiences. What you'll do Lead & Scale: Support a cross-functional group of engineers to design, develop, and integrate software features that are vital to the lives ...

Technical Lead – UK (Remote, Permanent) Overview Velocity Tech has partnered with a global digital consultancy specialising in data, AI, and modern software engineering, helping enterprise clients build scalable, high-impact digital products. With a strong reputation for solving complex technical challenges, they work with leading organisations to deliver … enabled solutions, modernise legacy systems, and build high-performance applications. Their teams are distributed globally and operate in a highly collaborative, engineering-led environment. The Role As a Technical Lead, you will play a key role in leading engineering teams and working closely with clients to translate business ...

/CD pipelines and deployment automation for cloud-based applications Collaborate with stakeholders to gather requirements and deliver technical solutions Ensure best practices in software engineering, solution architecture, and system design Mandatory Skills Strong hands-on experience with AWS Infrastructure (IaaS) Expertise in CI/CD architecture … DevOps practices ServiceNow ITSM implementation experience Strong understanding of SOA and Microservices-based architecture Experience in software engineering and solution design architecture Hands-on experience with Amazon Connect and AWS Contact Center solutions Knowledge of AWS services: Lambda, API Gateway, IAM, CloudWatch Good to Have Skills Salesforce Marketing ...

Engineering Manager - Hands on - Up to £180,000 + great benefits - One day a week in London My client is a leading software business in the security space and are now looking to build their first UK software engineering team. They were founded around 10 years … have circa 500 employees globally and are looking for an Engineering manager to join their team. You will manage 6 other engineers all at a Senior level and should expect to be hands on. This is approximately 30% hands on, 70% management. In terms of the hands-on element ...

computational experience; or Bachelor’s/Master’s graduates with 1–2 years of industry experience or relevant internships in machine learning, data engineering, or software engineering. You’ll contribute to designing, implementing, and deploying production-grade ML systems—ranging from NLP pipelines to model‐driven workflow automation. … simulation, statistics, numerical methods, NLP, or related areas. Bachelor’s/Master’s: 1–2 years of industry experience or relevant internships in ML, software engineering, or data engineering. Programming experience (especially Python) Experience writing clean, maintainable Python code. Applied AI experience such as exposure to LLM APIs ...

working with a fast-growing technology consultancy that is building a strong reputation across the Energy & Commodities trading space, delivering modern engineering, AI, and data platforms for some of the most sophisticated trading environments globally. Following significant growth within their trading practice, they are looking to hire a Principal … Software Engineer to lead complex, high-impact client engagements across data, AI, and software engineering initiatives. This is a senior, highly visible position combining hands-on technical leadership with architecture, stakeholder management, and strategic delivery. You’ll work directly with senior engineering leaders and business stakeholders ...

Contract Solution Architect/Principal Consultant (Cloud & Software Engineering) Hybrid (3 days onsite per week, West London) Rate: £575 to £625 per day (Outside IR35) Contract Length: 3 months with option to extend Are you an accomplished customer facing Solution Architect or Principal Consultant with a track record … architectural design, and customer success Our client, a fast-scaling cloud consultancy, partners with leading organisations to modernise their technology landscape through DevOps, platform engineering, automation, and software transformation . Following continued growth, they’re expanding their senior technical leadership team to shape and deliver large-scale customer ...

onsite) Contract Type: 6 month Rolling Contract – Inside IR35 (Day Rate) Rate: £700–£750 per day About the Role We are seeking a Senior Software Engineer/Data Platform Engineer to support the ongoing evolution of a large-scale financial data platform. You'll be working with the technology … reliable APIs for internal systems and integrations Use AI-assisted development tools (e.g., GitHub Copilot and IDE-integrated AI assistants) as part of the engineering workflow Collaborate with engineers, architects, and product teams across distributed locations Contribute to engineering standards, best practices, and platform-wide improvements Essential Skills ...

major retail banking organisation during a period of re‐organisation. These roles have been created to address a capacity gap within architecture and engineering, ensuring delivery remains on track as the business progresses to market. The organisation is engineering‐led, with strong software engineering teams … deliver High‐Level Solution Designs (HLSDs) aligned to retail banking standards Translate business requirements into clear, pragmatic technical solutions Work closely with software engineers, delivery leads, and other architects to shape and challenge solutions in a constructive way Engage effectively with business and technology teams, influencing outcomes and technology ...

Engineering Manager – Fintech (Pensions & Retirement Technology) Overview Velocity Tech is partnering with a fast-growing fintech organisation focused on transforming how individuals manage and reconnect with their retirement savings. Operating within the pensions and financial services space, the company is building scalable, API-driven solutions that integrate with major … financial institutions across the UK. This role sits within a high-impact technology team, where the successful candidate will lead an engineering squad responsible for delivering robust, scalable microservices that power core financial products. The Role The Engineering Manager will take ownership of a cross-functional squad, working ...

Head of Software Development Location: UK (Hybrid) - 3 days a week onsite Employment Type: Full-Time, Permanent An excellent, exciting new permanent position has become available for a growing Financial SaaS, Capital Markets company looking to hire an exceptional Head of Software Development to lead their software engineering organisation and serve as a key member of the senior leadership team. This strategic role combines deep technical leadership with people management and offshore team coordination, offering a clear pathway to Deputy CTO. The successful candidate will own the end-to-end software delivery lifecycle, drive ...

Senior Software Engineer Salary: Negotiable (Depending on Experience) Location: North London Area Schedule: 3-days on site and 2-days WFH per week The Opportunity We are supporting a globally recognised engineering business at the forefront of advanced radar and surveillance technology in the search for a Senior … Software Engineer. This is an excellent opportunity to play a key role in the development of innovative, high-performance software solutions used within cutting-edge maritime navigation and defence systems. You will take ownership of software design across the full lifecycle, contributing to both new product development ...

Senior Product/Frontend Software Engineering Position Summary Total comp: £175k-£200k (inc. Equity) Hybrid working policy: Minimum three days a week in our Waterloo office Experience level: At least five years in commercial software engineering 🚀 About Orchestra Orchestra is an AI-native data pipelining platform … data teams! Backed by VCs from San Francisco, New York and London with angels from across the data space and beyond. 👷 Engineering at Orchestra We care deeply about our users—their pain points and experience We're a small team of generalists who embrace new challenges regularly ...

verbal and written communication skills Ability to explain technical problems to non-technical people About Us: Ascendion is a leading provider of AI-first software engineering services. Our applied AI, software engineering, cloud, data, experience design, and talent transformation capabilities accelerate innovation for Global 2000 clients. ...

days/week) Type: Full-time About Shop Circle Shop Circle is an AI-first technology company that acquires and scales mission-critical B2B software businesses globally. We serve 200,000+ businesses across diverse verticals, focusing on high-retention, deeply embedded software with strong cash generation. Our model … revenue expansion and operational efficiency. We operate as long-term owners, continuously improving products through applied AI. The Role We’re hiring an AI Software Engineer to bring AI into real-world production across multiple products and business units. This is not a research role. It’s about shipping ...

best talent across the UK and Europe. We’re building a team of consultants who are passionate about placing top talent within technologies including Software Engineering, Data, AI & Machine Learning, ERP, Cloud, and Data Centre software or hardware. Our London team is hiring experienced recruiters who take … recruitment and sourcing processes Evidence of achieving and exceeding financial/revenue targets Experience within one or more of our core technology areas: Software Engineering, Data, AI & Machine Learning, ERP (SAP/Oracle/Salesforce/MS Dynamics), Cloud (AWS/Azure/GCP), or Data Centre software ...

across data, models, platforms, and integrations, enabling reliable delivery at enterprise scale. You will work within a supportive, inclusive, and collaborative community across data, engineering, security, and product teams. You will guide delivery teams on AI patterns and best practices, including MLOps, LLMOps, evaluation, monitoring, and responsible AI. … loop optimisation to balance autonomy, reliability, and performance. Own patterns for agent reliability, performance tuning, and failure handling. Build and sustain an AI-first engineering culture across full-stack, platform, and SRE teams. Act as the final decision-maker for complex system design and enterprise-level architecture decisions. Mentor ...

Software Engineer – Platform/Core Infrastructure London 4 days a week on site Up to £110k We’re working with a London-based fintech that has scaled rapidly in a short space of time. Their platform now processes billions in annual transaction volume , operating across multiple markets and supporting … that’s where this role sits. The opportunity This is a role in the Core Infrastructure (Platform) team - the group responsible for how engineering happens across the business. You won’t be building end-user features. You’ll be building the systems, tooling, and infrastructure that every engineering ...

Java Software Engineer with around 3-6 years professional, post-graduate experience sought by one of the original Quantitative Hedge Funds, with a 20+ year track-record. The firm are renowned for a healthy, supportive, and collegiate working environment and culture, with no siloes, boasting an industry-leading staff … tenure. This hire will be part of a core Software Engineering team, responsible for the vast majority of all applications in the business from front-to-back office.This includes Order Management & Trading Execution, Risk & Finance, Straight-Through-Processing and Corporate Functions. The team deal directly with business users ...

exceptional Machine Learning Engineers . This fast-growing organisation is transforming mission-critical combat planning and operational decision-making by building next-generation AI software tools for Western forces. Founded in 2023, the company has already secured significant early-stage funding, including a $10m Seed round in 2024. … founding team is composed of ex-Palantir and ex-OpenAI leaders. They combine deep sector knowledge with cutting-edge design and software engineering expertise to deliver state-of-the-art SaaS capabilities leveraging NLP, GenAI, Computer Vision, and Reinforcement Learning technologies. Position location (hybrid) : London (Shoreditch) or Paris ...

Digital & AI Strategy Manager in assessing feasibility of new data source integrations as the roadmap evolves. Experience * Master's degree in Computer Science, Data Engineering, Software Engineering, or a related technical field. * Professional certifications in Azure, Databricks preferred * Training or background in energy systems, renewable energy, offshore … wind or BESS technologies is a strong plus. * 4-7 years of hands-on data engineering experience in a cloud environment. * Demonstrated experience delivering production pipelines on Databricks and Azure (ADLS Gen2, ADF or equivalent). * Proven ability to implement Medallion architecture or equivalent layered data modelling patterns. * Experience ...