Senior Java Python Engineer Jobs in UK

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Senior Scientist / Engineer (Time & Frequency)

Senior Scientist/Engineer (Time & Frequency) Job Type: Permanent Start date: Subject to clearance Salary: £51,000-£60,000 per annum + Benefits Location: Richmond Upon Thames, London Hours of work: 40 Hours Per Week / Hybrid Working 3/2 Split between Si ...

Senior Site Engineer/Sub Agent

We have an immediate requirement for a Senior Engineer/Sub Agent to work on a contract basis for our client, a civil engineering construction company working throughout Scotland on various schemes. Our requirement is for : - Senior Engineer or Sub Agent competent setting out and supporting with superv ...

Senior Process Engineer London Manufacturing

Bond Williams are recruiting for a Senior Process Engineer to join an innovative technology company based in London. This role will take technical ownership of the pilot manufacturing process, focusing on process design, optimisation and validation. Key Responsibilities Design and optimis ...

Senior / Principal Traffic Signals Engineer

Job Description What if you could do the kind of work the world needs? At WSP, you can access our global scale, contribute to landmark projects and connect with the brightest minds in your field to do the best work of your life. You can embrace your curiosity in a culture that celebrates ...

Senior CE&I Design Engineer

We have an excellent opportunity for a Senior CE&I Design Engineer. This will be a site-based role in Cumbria. This is worked over 4.5 days per week, with a minimum of 3 days per week either on Site or in the Office. Will be required to travel to the Warrington Office approx. 1 day per month. ...

Senior Database Engineer: Scale & Automation

A premier hedge fund is seeking a Database Engineer to build, operate, and scale mission-critical database platforms in London. The role emphasizes automation and high-performance systems, requiring strong expertise in Linux and Python, as well as experience with AWS data services. The compensation package inclu ...

Principal/Senior Human Factors Engineer

Job Description AFRY intends to further develop its Human Factors capability within the UK Nuclear team; which specialises in nuclear safety and reliability. The successful candidate will provide support to a range of clients, as well as leading our junior Human Factors team by taking responsibil ...

Senior Dynamics 365 Engineer (5832)

Senior Dynamics 365 Engineer Irwin Mitchell Irwin Mitchell is a national law firm that thrives on delivering quality and expertise to individuals and businesses across the UK. We are committed to creating positive impact for our clients and communities. Responsibilities <ul ...

Senior Anti‑Cheat Reverse Engineer

A leading gaming company in the United Kingdom is seeking a Senior Reverse Engineer to join its Security team. This role involves reverse engineering cheats across platforms, documenting findings, and collaborating with game teams to improve security measures. Ideal candidates will have a solid background in com ...

Senior Full Stack Engineer ClickStack

Join to apply for the Senior Full Stack Engineer - HyperDX role at ClickHouse . About ClickHouse Recognized on the 2025 Forbes Cloud 100 list, ClickHouse is one of the most innovative and fast‑growing private cloud companies. With over 2,000 customers and ARR that has more ...

Senior Principal Civil Engineer (Water)

Senior Principal Civil Engineer – Water Projects Our growth strategy within our Water division for 2026 and beyond is creating a buzz around the place. You will be partnering with the top water clients in the area (and in the UK) to help develop a better way of how we obtain, clean, and distribute ...

Senior Reverse Engineer Anti Cheat

Do you dream in assembly language? Do you spend more time in a debugger than you do in nature? Do you know the difference between an aimbot and a triggerbot? And do you think that all players have the right to a fair and fun gaming experience? If so, this is the job for you! The EA Security team protects E ...

Senior Cloud & Platform Infrastructure Engineer

A government agency in the United Kingdom is seeking a Principal Infrastructure Engineer to lead technical initiatives within the Contact Engagement Platform. The role focuses on ensuring secure, reliable, and cost-effective infrastructure while championing agile methodologies. Candidates should have significant ...

CE&I Senior Design Engineer

CE&I Senior Design Engineer Altrad is currently seeking a senior CE&I Design Engineer to join the Central Engineering team. The successful candidate will provide site‑based, front‑line design support to Commissioning teams, delivering, supporting, and checking detailed designs and changes to meet ...

Senior / Principal Traffic Signals Engineer

Job Description What if you could do the kind of work the world needs? At WSP, we can access our global scale, contribute to landmark projects and connect with the brightest minds in your field to do the best work of your life. You can embrace your curiosity in a culture that celebrates n ...

Senior Network and Security Engineer

About The Role Own complex networks. Lead delivery on site. Be the expert customers trust as our Senior Network and Security Engineer. At Intercity, we don't just keep networks running, we make them secure, resilient and fit for the future. We're looking for a Senior Network & ...

Senior Principal HV Plant Engineer

Opportunity The transmission and distribution sector is rapidly transforming against a backdrop of growing demand, regulatory changes, ambitious carbon reduction targets and new innovations in technology. If you are passionate about making a difference, join our industry‑leading Energy te ...

Senior / Principal EC&I Engineer

Do you enjoy solving integration challenges across multiple systems and vendors? Are you looking for a role where your expertise shapes entire projects, not just components? The Opportunity We’re working with a leading engineering organisation operating within highly regulated ind ...

Senior Principal EC&I Engineer

Our Vacancy# Senior Principal EC&I Engineer* Nuclear* Permanent /* Warrington* United Kingdom* 07/04/26* On site* ShareAssystem is an international company with one mission: accelerate the energy transition around the world. Every day, our 8,000 switchers located in 12 countries (Europe, Middle East, Pacific As ...

Senior Earthworks Engineer Growth & Training

A leading civil engineering and building contractor is seeking a Senior Engineer for a civil earthworks project based in Hampshire. This role includes responsibilities such as overseeing project execution, ensuring adherence to health and safety standards, and managing engineering resources. The successful candi ...

Senior Principal Civil Engineer (Water)

Our growth strategy within our Water division for 2026 and beyond is creating a buzz around the place. You will be partnering with top water clients in the area (and in the UK) to help develop a better way of how we obtain, clean, and distribute water for our local communities. If you're looking fo ...

Senior EC&I Design Engineer

Job Title: Senior EC&I Design Engineer Location: Sellafield, Cumbria, UK Job Type: Permanent Overview I am currently recruiting for a Senior Electrical, Control & Instrumentation (EC&I) Design Engineer to join a leading engineering team supporting critical projects at Sell ...

Senior EC&I Design Engineer

CE&I Senior Design Engineer - Site Based (Contract) Location: Cumbria (3 days on site / 2 days remote) Rate: ~£60 per hour (Umbrella PAYE) Contract: 12 months (strong likelihood of extension) Start: ASAP The Opportunity We're seeking an experienced CE&I S ...

Senior Software Engineer – Derivatives Systems

A leading financial services firm in the United Kingdom seeks a Software Engineer to enhance their derivatives team's accuracy and automation workflows. This full-time position requires expertise in Python and/or C#, along with a solid understanding of relational databases. The role offers market-leading compens ...

Senior Principal Mechanical Engineer Water

Senior Principal Mechanical Engineer - Water (BST: 8:00 - 18:00 (Mon/Thurs) 8:00 - 16:00 (Fri)) Access Talent Group are currently recruiting for a global engineering and environmental consultancy currently looking for Senior Principal Mechanical Engineers within the water sector. Thi ...

Senior Cabling / Smart Hands Engineer

Senior Cabling / Smart Hands Engineer (Data Centre & Corporate) - Contract Multiple UK Locations - ASAP Start - Contract until 30/09 Overview We're looking for experienced Senior Cabing / Smart Hands Engineers to support critical infrastructure work across data centre ...

Senior Electrical Engineer – Rail & Infrastructure

Job Description What if you could do the kind of work the world needs?At WSP, you can access our global scale, contribute to landmark projects and connect with the brightest minds in your field to do the best work of your life. You can embrace your curiosity in ...

Senior / Principal Structural Engineer (Bridges)

… You’ll get all the benefits of being employed by us, while working on a variety of projects for our clients. Joining Waterman Aspen as Senior / Principal Structural Engineer will see you as a key member of the North East team and you can expect: A varied client base where you can apply and devel ...

Senior/Principal Geotechnical Engineer Offshore

Your newpany You will be joining a globally recognised engineering and professional services organisation with a long-standing reputation for deliveringplex, technically challenging projects across offshore energy, renewables, infrastructure, and marine environments. The business operates worldwide and su ...

Senior IT Field Delivery Engineer

Contract Type : Permanent, full timeSalary Package: £, to £,, Company Van, large company benefits, a broad flexible benefits scheme, and paid-for volunteering days a yearHours: am – pm Monday to Friday, participation in out of hours will also be required Interview ...

Senior Civil Engineer (Heavy Civils)

… You’ll get all the benefits of being employed by us, while working on a variety of projects for our clients. Joining Waterman Aspen as a structural engineer will see you as a key member of the South East team and you can expect: A varied client base where you can apply and develop your skills </ ...

Senior iOS Engineer, GTPN Platform

About Airwallex Airwallex is the only unified payments and financial platform for global businesses. Powered by our unique combination of proprietary infrastructure and software, we empower over 200,000 businesses worldwide – including Brex, Rippling, Navan, Qantas, SH ...

Senior Kubernetes Engineer – Data Platform

Location: UK Department: Data OperationsReporting to: Head of Platform EngineeringRole SummaryWe are hiring a Senior Kubernetes Engineer to help design and scale a Kubern ...

Senior Civil Engineer/Project Manager

Your newpany Hays are working with a leading consultancy that partners with localernment clients to deliver impactful infrastructure projects in the UK and Ireland. This organisation ismitted to improvingmunities through innovative solutions in areas such as Active Travel, Public Realm, Environment ...

Senior Civil Engineer (Heavy Civils)

… You’ll get all the benefits of being employed by us, while working on a variety of projects for our clients. Joining Waterman Aspen as a structural engineer will see you as a key member of the South East team and you can expect: A varied client base where you can apply and develop your skills </ ...

Senior Site Engineer (NI Based)

Your newpany This privately-owned contractor based in Co. Tyrone is looking to recruit a Site Engineer to strengthen their business. With over 35 years+ experience within the construction industry, thepany has an innovative, reliable and flexible attitude in delivering their new build projects thro ...

Back End Developer

Pay range Range provided by Tiro Partners Limited. Your actual pay will be based on your skills and experience — talk with your recruiter to learn more. Base pay range Direct message the job poster from Tiro Partners Limited Location: London, UK (Hybrid) ...

Forward Deployed Engineer

The job description is not grade specific, there actually is a pretty broadly applicable 'consulting engineer' job description but with the caveats that a) it is not currently specific to a grade and b) that the emphasis of the day to day does vary per client: We’re looking for FDE ...

Software Test Engineer (AVP)

## Software Test Engineer (AVP)Applyremote type: Hybridlocations: Belfast United Kingdomtime type: Full timeposted on: Posted Todayjob requisition id: **Discover your future at Citi**Working at Citi is far more than just a job. A career with us means joining a team of more than 230,000 dedicated peopl ...

AI Engineer

AI Engineer (LLMs/Agentic AI/Python) – Hybrid (London – 2/3 days onsite per week) – (£500-600/DAY OUTSIDE IR35) We are currently supporting a cutting‑edge AI software company building advanced agentic AI and memory systems for enterprise clients operating within highly regulated environme ...

Electronics Test Engineer

COMPANY DESCRIPTION, PROFILE AND SCOPE OF ROLE: This is a fantastic opportunity for an experienced Electronics Test Engineer to join an established, global leader in specialist engineering. Based primarily at a facility in County Durham, you will be working on behalf of our client to provide ...

MyDataValue: Fully Remote – Founding Full Stack Senior Engineer (UK ONLY)

MyDataValue: Fully Remote – Founding Full‑Stack Senior Engineer (UK ONLY) Must be UK based We are an AI‑driven Hospitality Tech platform helping vacation rental owners automate their revenue on Booking.com. Unlike most “early‑stage” startups, we are already at £100k ARR, ...

MyDataValue: Fully Remote – Founding Full Stack Senior Engineer (UK ONLY)

MyDataValue: Fully Remote – Founding Full‑Stack Senior Engineer (UK ONLY) Must be UK based We are an AI‑driven Hospitality Tech platform helping vacation rental owners automate their revenue on Booking.com. Unlike most “early‑stage” startups, we are already at £100k ARR, ...

MyDataValue: Fully Remote – Founding Full Stack Senior Engineer (UK ONLY)

MyDataValue: Fully Remote – Founding Full‑Stack Senior Engineer (UK ONLY) Must be UK based We are an AI‑driven Hospitality Tech platform helping vacation rental owners automate their revenue on Booking.com. Unlike most “early‑stage” startups, we are already at £100k ARR, ...

MyDataValue: Fully Remote – Founding Full Stack Senior Engineer (UK ONLY)

MyDataValue: Fully Remote – Founding Full‑Stack Senior Engineer (UK ONLY) Must be UK based We are an AI‑driven Hospitality Tech platform helping vacation rental owners automate their revenue on Booking.com. Unlike most “early‑stage” startups, we are already at £100k ARR, ...

Lead Software Engineer

Base pay range Direct message the job poster from MARS Recruitment Recruiting Engineering talent in Oxfordshire since 2003 Lead Software Engineer | C++ | Python | Linux Oxfordshire | Hybrid | up to £75,000pa plus benefits Do you enjoy technically leading and ment ...

Broadcast Systems Engineer

Overview Full Time – Permanent. ICP Search is partnering with a leader in IP and cloud-based broadcast technology, a pioneering UK company whose software powers critical live video workflows for major global broadcasters, streaming platforms, and media organisations. This is a great opportunity to ...

Lead AI Engineer

Lead AI Engineer £100,000 About the Role We are seeking a Lead AI Engineer to design, develop and deliver advanced AI and Generative AI solutions within a large, complex enterprise environment. This role sits at the centre of the AI-driven technology function, shaping engineering ...

Lead Software Engineer

Base pay range Direct message the job poster from MARS Recruitment Recruiting Engineering talent in Oxfordshire since 2003 Lead Software Engineer | C++ | Python | Linux Oxfordshire | Hybrid | up to £75,000pa plus benefits Do you enjoy technically leading and ment ...

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    Senior Java Python Engineer Jobs in United Kingdom Job Search Guide, Trends and Insights