401 to 425 of 949 Senior Software Engineer Jobs

Senior Software Engineer – Remote (UK) API & Microservices

Hiring Organisation
Jobleads-UK
Location
United Kingdom
Menlo Security is seeking an experienced Senior Software Engineer to join the Service Delivery team. The role is full-time, remote (UK time zone) or Bracknell, UK based. You will design and develop robust APIs and microservices that support customer provisioning, management and analytics, and contribute … scalable platform used by internal teams and customers. Candidates should have 5+ years in software engineering, strong Python with asynchronous frameworks, cloud experience (GCP/AWS), #J-18808-Ljbffr ...

Remote Senior Software Engineer: Cloud & AI

Hiring Organisation
Jobleads-UK
Location
Welwyn Garden City, England, United Kingdom
PayPoint plc is seeking a Senior Software Engineer to join a cloud-first, product-driven engineering team. You will design, build, and support scalable customer systems, focusing on security, reliability, and best practices. You will collaborate with Product Owners, Delivery Managers, and Architecture teams, embracing AI-assisted … development and modern tooling while delivering high-quality software in a remote-first setting with regular on-site visits to Welwyn Garden City. #J-18808-Ljbffr ...

Senior Software Engineer 2

Hiring Organisation
Jobleads-UK
Location
United Kingdom
directions. You’ll need first-class credentials and a proactive attitude to help us drive the change the underpins our mission. As a Senior Software Engineer 2 you will be a core contributor to delivering our products and solutions, with the opportunity to lead projects … hear from you. Responsibilities Key contributor to the development, testing and maintenance of Lab projects, products and initiatives. Deliver robust, maintainable and operationally viable software and infrastructure, typically using our core stack: React, Typescript, Material UI, Node.js, Python, PostgreSQL, Docker, Kubernetes, Helm, AWS Work with internal colleagues (ML Engineers ...

Senior Software Engineer in Test, Python

Hiring Organisation
Jobleads-UK
Location
Cambridge, England, United Kingdom
center of everything we do. About the Team As part of our team, you’ll leverage your diverse skills to support both Software Engineers and QA Engineers, tackling the daily challenges of their roles. Your specialist knowledge will be invaluable in suggesting improvements to enhance quality and streamline workflows … ensuring we continue to exceed our customers’ expectations. As a Senior Software Engineer (SDET), you’ll be the transformational force that revolutionizes our testing approach. You’ll leverage AI and advanced analytics to identify quality gaps, architect intelligent testing solutions, and establish new standards for test effectiveness ...

Senior Software Engineer GDK

Hiring Organisation
Jobleads-UK
Location
Manchester, England, United Kingdom
operators across the globe. Position Summary At Light & Wonder, we’re building the technology that powers the next generation of gaming experiences. As a Senior Software Engineer, you’ll play a key role in developing a shared game framework used across multiple products, platforms, and teams. … technology trends, applying relevant innovations to enhance the framework and development process. What You’ll Bring Proven experience building complex, scalable, and maintainable software systems. Strong object-oriented programming skills and proficiency in at least one language such as TypeScript, C#, C++, or similar. Hands-on experience working with ...

Senior Software Engineer - Safety Detection Precision

Hiring Organisation
Jobleads-UK
Location
United Kingdom
recently public company, you'll have the autonomy and support to make an impact as we build for the long term. As a Senior Software Engineer on the Safety Detection Precision team, you'll help close the gap between AI detection of safety risk on the road … generation of detection models and ensuring today's detections translate into meaningful real-world risk reduction. This role is a strong fit for an engineer who enjoys shaping ambiguous, high-impact systems end-to-end and wants to directly influence customer trust and value in the company's Safety ...

Senior Software Engineer - Core Platform (Remote)

Hiring Organisation
Jobleads-UK
Location
Belfast, Northern Ireland, United Kingdom
seeking a Senior Software Engineer for the Core team, focusing on baskets, orders, checkout, promotions, and capacity management. You’ll shape systems, guide technical decisions, and mentor engineers in a fully remote role. You will lead cross‐team design, deliver large features, and enhance reliability, CI/ ...

Senior Software Engineer - DataLayer DevTools

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
Bloomberg L.P. is seeking a Senior Software Engineer with DataLayer Experience in London to drive developer experience for Bloomberg Terminal integrations. This role focuses on building ergonomic TypeScript APIs, end-to-end ownership of critical tooling, and collaboration with multiple engineering teams. You will shape the development ...

Senior Software Engineer, AI Security Platform & Scale

Hiring Organisation
Jobleads-UK
Location
United Kingdom
Menlo Ventures is seeking a Senior Software Engineer to enhance our ATO platform at Abnormal AI. You'll design, build, and scale backend systems while ensuring stability and reliability. This role demands strong backend proficiency in Python, with a focus on building resilient systems. Mentorship and cross ...

Senior Software Engineer — Payments Platform (Hybrid)

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
Harrington Starr is seeking a Senior Software Engineer to join its team in London with hybrid working arrangements. You'll design and build critical payment infrastructure and support high-volume transactions across global markets, mentoring engineers and ensuring best practices. The ideal candidate should possess strong backend ...

Senior Software Engineer: End-to-End Delivery & Cloud

Hiring Organisation
Jobleads-UK
Location
Abingdon, England, United Kingdom
Landmark, a Halliburton company, is seeking a senior software engineer to own features end to end across multiple domains. You will work on critical production software used by engineers and operators worldwide, contributing to design, implementation, testing and delivery with minimal supervision. Strong fundamentals and ability ...

Senior Software Engineer 2 - Tech Lead & Mentor (Remote-First)

Hiring Organisation
Jobleads-UK
Location
United Kingdom
Aioi Nissay Dowa Europe Limited is seeking a Senior Software Engineer 2 to be a core contributor delivering our products and solutions. You will lead projects end-to-end, mentor peers, and potentially step into line management as the team grows. The role requires strong expertise across ...

Senior Software Engineer, Unified Platform - Digital Assets

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
it. DRW is a place of high expectations, integrity, innovation and a willingness to challenge consensus. DRW has an opening for a Senior Software Engineer focused on digital assets. The team builds and operates systems that move and safeguard cryptoassets across the firm — including treasury automation, wallet … digital asset operations and related business partners. Partnering with those teams to turn ambiguous business problems into clear technical plans and shipped software. Owning software end-to-end after it ships — we run what we build (deploy, operate, on-call); we don’t hand systems off to a separate ...

Senior Software Engineer (Salesforce)

Hiring Organisation
Vitality Corporate Services Limited - Tech
Location
Bournemouth, Dorset, South West, United Kingdom
Employment Type
Permanent
Salary
£65,000
this role: Strong Salesforce Platform Expertise Solution Design & Architecture Technical Leadership & Collaboration What this role is all about: We're looking for a Senior Software Engineer (Salesforce) to play a key role in shaping and delivering exceptional digital experiences across our business. Working with modern Salesforce technologies … Services Cloud, Service Cloud and Agentforce, you'll design and develop robust solutions that support seamless customer journeys while driving technical excellence. As a senior member of the engineering team, you'll collaborate with stakeholders across the organisation, influence architectural decisions, mentor fellow engineers and help champion the adoption ...

Senior Software Engineer I

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
Financial Times as one of Europe's fastest-growing companies for two consecutive years—and a UK Best Employer for 2026. As a Senior Software Engineer I at Thought Machine, you will own and deliver highly complex, end-to-end engineering work items. You will look beyond … your team, solving ambiguous problems, guiding less experienced engineers, and actively shaping our technical and product roadmaps. This is a role for an engineer who values clean, maintainable systems, embraces an egoless approach to collaboration, and is driven to deliver robust solutions to production. What You’ll Do Technical ...

Senior Software Engineer, Endpoint DLP – Go & Kernel

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
leading cybersecurity firm is seeking a Senior Software Engineer for their Agent Endpoint DLP team in London. The role involves using your strong programming skills to implement new features and improve existing functionalities. Collaborate with cross-functional teams and contribute to code quality and secure coding practices. … Ideal candidates will have at least 3 years of software engineering experience and familiarity with various programming languages such as Go, C++, and Java. The role offers a supportive work environment focused on diversity and inclusivity. #J-18808-Ljbffr ...

Senior Java Software Engineer

Hiring Organisation
CPS Group (UK) Limited
Location
Cardiff, South Glamorgan, United Kingdom
Employment Type
Permanent
Salary
£60000 - £68000/annum 20% Annual Bonus
Senior Java Engineer Cardiff (Hybrid Working) Up to £68,000 + Bonus CPS Group are supporting an established technology organisation in Cardiff with the recruitment of a Senior Java Engineer to join their growing software engineering team. This is an exciting opportunity for an experienced … Java Developer who enjoys solving complex technical challenges, mentoring other engineers and contributing to the design of modern, scalable software solutions. Working within an Agile environment, you'll take ownership of complex features from design through to delivery, remaining hands-on throughout the development lifecycle. Alongside writing high-quality ...

Senior Software Engineer – Fintech Cards & Payments

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
Funding Circle in London is seeking a Senior Software Engineer to join our Accounts & Card team. You will lead technical delivery for high‐frequency, credit-card related products and collaborate closely with peers to solve complex problems in a fast‐paced fintech environment. You’ll work ...

Hybrid Senior Software Engineer – TypeScript/Node/React

Hiring Organisation
Jobleads-UK
Location
Manchester, England, United Kingdom
Manchester Digital is seeking a Senior Software Engineer to join their team in Manchester, focusing on digital transformation for a retail client. The role requires onsite collaboration 3-4 days a week within an agile environment. The ideal candidate will have strong skills in TypeScript, Node ...

Senior Software Engineer

Hiring Organisation
Jobleads-UK
Location
Cambridge, England, United Kingdom
About Graphcore At Graphcore, we’re building the future of AI compute. We’re a team of semiconductor, software and AI experts, with deep experience in creating the complete AI compute stack - from silicon and software to infrastructure at datacenter scale. As part of the SoftBank Group, backed … products and the future of artificial intelligence. Job Summary Applicants for this role should have strong experience designing, developing, and maintaining high-quality software systems. The role focuses on testing and validating a complex machine learning software stack, with particular emphasis on software architecture, automation, and engineering ...

Senior Software Engineer, Strategic Index Platform Lead

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
JPMorgan Chase & Co. is seeking a Senior Software Engineer for the Strategic Index Technology team. You will lead key projects within a global program, collaborating with Quantitative Research, Structuring, Trading, and Sales to deliver high-quality software for the Strategic Index desk. You will design, develop ...

Senior Software Engineer (£75k + benefits)

Hiring Organisation
Morson Edge
Location
Manchester, United Kingdom
Employment Type
Permanent
Salary
GBP 75,000 Annual
Great opportunity for a Senior Software Engineer to join a private equity backed tech company in Manchester as they go through a scale-up. You'd join a product-based team within a larger engineering department and would be given the opportunity to be involved ...

Senior Software Engineer: Build Global, Instant Payments APIs

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
Runa, based in London, is seeking a Senior Software Engineer to architect, implement and deploy services from end to end. You will write clean, scalable code to build products used by thousands of customers. You will work with Python, TypeScript and JavaScript on a modern AWS serverless ...

Senior Software Engineer II, GenAI Platform

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
global information and analytics leader in Greater London is seeking a Senior Software Engineer II to focus on generative AI and platform architecture. In this role, you will lead architectural designs, develop AI services using Python, and collaborate across cross-functional teams. The ideal candidate has over … years of software engineering experience, proven leadership in platform architecture, and a strong background in Python and Kubernetes. The position promotes flexible working hours and offers a variety of benefits. #J-18808-Ljbffr ...

Senior Software Engineer - FinTech & Tokenization Platform

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
Ctrl Alt is searching for a Senior Software Engineer to build the future of tokenization. You will design and maintain scalable solutions while collaborating with product teams. With over 5 years of experience expected, proficiency in TypeScript or JavaScript is essential. This position offers a dynamic ...