Application Engineering Lead Java Python Microservices Jobs in UK

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Founding Security Engineer

London - Hybrid The client: This company is building agentic systems that can write code, use tools, and work with sensitive enterprise data. Their focus is on making these systems safe enough to operate inside large organisations. They sit at the centre of AI, security, a ...

Senior SDET / Quality Engineering Specialist

ABOUT US ABOUT US: LSEG (London Stock Exchange Group) is more than a diversified global financial markets infrastructure and data business. We are dedicated, open-access partners with a dedication to excellence in delivering the services our customers expect from us. With extensive experie ...

Platform Engineer

Platform Engineer - Contract – Consulting - GCP, Kubernetes, Terraform, Python / Go If you want to know about the requirements for this role, read on for all the relevant information.Oliver Bernard are currently working with a Consultancy client of ours who are looking ...

Senior Java Developer: Real Time Risk & Cloud

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 people from around the globe. At Citi, you’ll have the opportunity to grow your career, give back to your community and make a real impact. <b ...

Solution Architect

* Before submitting your application, you should read our to understand how Bupa will use, store and share your information.* For Australia or New Zealand candidates - Before submitting your application, you should read our to understand how Bupa will use, store and share your information.Solution Architect pa ...

Python Developer | $85/hr Remote

Overview Role Position: Exceptional SWE Annotator Type: Hourly Contract Compensation: $85/hour Location: Remote Duration: Approximately 2 weeks Commitment: </ ...

Solutions Architect

Position Description At CGI, you’ll help shape the future of critical national services by designing secure, scalable solutions that power healthcare, public safety and citizen platforms nationwide. As a Solutions Architect, you’ll translate complex needs into clear technical direction, guiding tea ...

Engineer III, Quality Engineering

We are seeking an Engineer III, Quality Engineering , to lead test automation efforts, improve workflows, and increase system confidence through automation. You will design, develop, and execute automation scripts using open-source tools (Jest, Cypress.io, and XCUI) for a complex microservices ...

Software Development Manager Defence

Software Development Manager / Engineering Lead (Defence Consultancy) Newcastle onsite to £140k Join a fast-growing technology consultancy expanding into the defence and national security sector. As a Software Development Manager, you'll partner with the CTO to build and lead a new engineering fu ...

Technical Lead

Hybrid (Stoke-on-Trent / Manchester) | 2 days on-site We’re looking for a hands‑on Technical Lead to join a high-performing engineering team working on the evolution of a large-scale, business‑critical platform. This role offers the opportunity to shape technical direction across a complex, ...

Test Engineer

Overview hackajob is collaborating with Ordnance Survey to connect them with exceptional professionals for this role. Test Engineer - Salary £43,918 to £51,238 (dependent on experience) HQ Southampton Nature Permanent <p ...

Principal Geospatial Data Engineer

Overview We are searching for a Principal Geospatial Data Engineer to join our client's high-performing Data Engineering Team. This role is ideal for an experienced, hands-on professional who thrives on technical leadership, innovation, and delivery. As a 100% data-driven company, our c ...

Senior Java Software Engineer Low Latency

HCLTech is a global technology company, home to 219,000+ people across 54 countries, delivering industry-leading capabilities centered on digital, engineering and cloud, powered by a broad portfolio of technology services and products. We work with clients across all major verticals, providing industry soluti ...

Senior Java Software Engineer Low Latency

HCLTech is a global technology company, home to 219,000+ people across 54 countries, delivering industry-leading capabilities centered on digital, engineering and cloud, powered by a broad portfolio of technology services and products. We work with clients across all major verticals, providing industry soluti ...

Senior Java Software Engineer Low Latency

HCLTech is a global technology company, home to 219,000+ people across 54 countries, delivering industry-leading capabilities centered on digital, engineering and cloud, powered by a broad portfolio of technology services and products. We work with clients across all major verticals, providing industry soluti ...

Senior Java Software Engineer Low Latency

HCLTech is a global technology company, home to 219,000+ people across 54 countries, delivering industry-leading capabilities centered on digital, engineering and cloud, powered by a broad portfolio of technology services and products. We work with clients across all major verticals, providing industry soluti ...

Senior Java Software Engineer Low Latency

HCLTech is a global technology company, home to 219,000+ people across 54 countries, delivering industry-leading capabilities centered on digital, engineering and cloud, powered by a broad portfolio of technology services and products. We work with clients across all major verticals, providing industry sol ...

Senior Java Software Engineer Low Latency

HCLTech is a global technology company, home to 219,000+ people across 54 countries, delivering industry-leading capabilities centered on digital, engineering and cloud, powered by a broad portfolio of technology services and products. We work with clients across all major verticals, providing industry soluti ...

Backend Engineer London

About ARQ ARQ is one of the fastest-growing fintechs in the world. Our mission is to redefine how people interact with money across borders, building the infrastructure to move value seamlessly. We’re still early in our journey, which means every person who joins shapes the future of our product, ...

Enterprise Architect

Enterprise Architect | 12 Months FTC | London Hybrid | £150- £160KOverview:A global Financial Services organisation is seeking an Enterprise Architect to define and lead its enterprise-wide technology, data, and architecture strategy. This is a high-impact leadership role shaping platforms, integrati ...

Enterprise Architect

Enterprise Architect | 12 Months FTC | London Hybrid | £150- £160KOverview:A global Financial Services organisation is seeking an Enterprise Architect to define and lead its enterprise-wide technology, data, and architecture strategy. This is a high-impact leadership role shaping platforms, integrati ...

Back End Developer

Contract Duration: 6 months with potential for extension Location: Remote - UK Job Description: This is a generalist mid-level backend position within the Ads Organization. Ads are the fuel that powers the client's mission. Technologies used on the team inclu ...

Senior Software Engineer

Method Resourcing are hiring on behalf of a high-growth, private equity-backed technology company building systems that underpin critical infrastructure across Europe, from security and IoT to real-world, always-on services where reliability genuinely matters. This is a role for an engineer who wants to ow ...

Solution Architect

Solution Architect Location: London - 2/3 days on site Duration: 04/05/2027 Rate- £506 MUST BE PAYE THROUGH UMBRELLA Key Responsibilities Lead and manage software development projects using Java, Python, Typescript, A ...

Senior Java Developer (AWS, Java, API) Sussex Hybrid

Senior Java Developer (AWS, Java, API) - Sussex - Hybrid Daily rate: £500 - £700 (inside IR35) Duration: 6 months Hybrid: 2 days a week on site (tues, weds) Start: ASAP My client is ...

Backend Software Engineer Defence SC Clearance

Backend Software Engineer Defence SC Clearance (PR/ ) Newcastle upon Tyne, England Salary: GBP - GBP per annum + bonus + benefits Backend Software Engineer / Developer (C# Java Python) *Newcastle onsite* to £120k+ Do you have strong backend focussed software engineering ...

Software Developers (Python / C# .NET)

We are partnering with a forward-thinking and rapidly growing organisation looking to hire multiple Software Developers with expertise in either Python or C# / .NET . This is an excellent opportunity to join a collaborative, technology-driven environment delivering scalable, ...

Senior Software Engineer (Back End)

Role Overview As a Senior Back-End Engineer, you will design, develop, and maintain robust server-side applications and APIs that support high-volume, data-intensive environments. You will play a key role in shaping technical architecture, ensuring system reliability, and driving best practices i ...

Lead Software Engineer

This is an exciting opportunity for you to join a talented team of engineers and make a global impact. As a Lead Software Engineer, you’ll help shape market-leading technology products that advance our business and deliver trusted solutions worldwide. You’ll collaborate with passionate professionals, solve ...

Software Developer

Overview Inspirec has partnered with a dynamic and innovative leader in the technology industry, who are seeking a highly motivated Software Developer to join their team on a contract basis. Responsibilities Develop, test, and maintain front-end applications using TypeScript a ...

Member of Technical Staff,AI Networking MAI Superintelligence Team

**Overview** Microsoft AI is hiring a Member of Technical Staff, AI Networking to design and scale the worldu2019s most advanced high-performance networks powering Copilot and next-generation AI systems. Join the team building the fabric that connects frontier-class datacenters, enables multi-gigawatt AI ...

Member of Technical Staff,AI Networking MAI Superintelligence Team

**Overview** Microsoft AI is hiring a Member of Technical Staff, AI Networking to design and scale the worldu2019s most advanced high-performance networks powering Copilot and next-generation AI systems. Join the team building the fabric that connects frontier-class datacenters, enables multi-gigawatt AI ...

Software Development Manager

Software Development Manager – Enterprise Software – Peterborough / Hybrid(Key skills: Software Development Manager, Agile, Software Engineering Leadership, Product Delivery, Application Security, Identity & Access Management, .NET 4.8 & 8, SQL Server, Microservices, Cloud (AWS/Azure), DevOps, C ...

Senior Python Engineer: Platform & ML Ops

A dynamic fintech company in the UK is seeking a Senior Python Engineer to collaborate with product teams and ensure effective adoption of tools for scalable and reliable data solutions. This role involves deploying microservices, enhancing internal tooling, and bridging gaps between teams. Candidates should dem ...

Software Engineering Manager Investor Solutions Edinburgh, UK

Software Engineering Manager - Investor Solutions Edinburgh, UK Overview Addepar is a global technology and data company that helps investment professionals provide the most informed, precise guidance for their clients. Navigator is a quantitative liquidity risk projection tool tha ...

Test Engineer SC Cleared

Talent Acquisition Specialist | Tech, Product & Data London (2–3 days per week in office) | Hybrid Must have active SC Clearance. About the project Our client is maturing a bespoke software platform built on Python microservices integrated with custom h ...

Computational Physics Software Math Modelling

Physicists/Software Engineers will be developing modelling tools/software in C++, C#, Python, Java, Matlab or other Mathematical languages. Ideal applicants will be qualified Physicists (MPhys, MSc or PhD) or Computational Physicist or Scientist/Engineer with an interest in Software Development/Modelling using C ...

Computational Physics Software Math Modelling

Physicists/Software Engineers will be developing modelling tools/software in C++, C#, Python, Java, Matlab or other Mathematical languages. Ideal applicants will be qualified Physicists (MPhys, MSc or PhD) or Computational Physicist or Scientist/Engineer with an interest in Software Development/Modelling using C ...

Technical Delivery manager

Job Description Orion Innovation is a premier, award‑winning, global business and technology services firm. Orion delivers game‑changing business transformation and product development rooted in digital strategy, experience design, and engineering, with a unique combination of agility, scale, and ...

Software Engineer I Software engineering London

Job Description Global payments are complex and ever‑evolving. At Checkout our software engineers develop the next‑generation payments technologies that enable our Merchants to boost their acceptance rates, cut processing costs, fight fraud, and create cutting‑edge technology that enables extraord ...

Senior Software Engineer I Software engineering London

Job Description Global payments are complex and ever-evolving. At Checkout our software engineers develop the next-generation payments technologies that enable our Merchants to boost their acceptance rates, cut processing costs, fight fraud, and create cutting edge technology that enables extraor ...

Backend Python Engineer: REST APIs, Docker & CI/CD Belfast

A leading global consulting firm in Belfast, UK, is seeking a Python Engineer to design, develop, and maintain backend services and microservices. The role focuses on clean coding practices, automated testing, and secure deployments in a regulated environment. Candidates should have strong Python skills and expe ...

Senior Software Engineer

We’re working with a technology‑driven organisation reinventing how operations are conducted, building systems that are safer, smarter, and dramatically more environmentally responsible. Location: London or Porto The Role We’re seeking a Se ...

Senior Java Software Engineer

Overview Base pay range: Direct message the job poster from Caspian One. Your actual pay will be based on your skills and experience — talk with your recruiter to learn more. Job title and location Java & low-latency talent specialist | Financial technology markets | FX, Equitie ...

Software Developer Data Products and Services

Position Overview:The Data Products and Services team uses some of the most cutting-edge technologies and cloud offerings to design, build and maintain machine learning frameworks, data science tools, microservices, web applications and other data driven products. We actively seek to work with t ...

Software Developer Data Products and Services

Position Overview:The Data Products and Services team uses some of the most cutting-edge technologies and cloud offerings to design, build and maintain machine learning frameworks, data science tools, microservices, web applications and other data driven products. We actively seek to work with t ...

Technical Architect

JOB DESCRIPTION The team you'll be working with: Our Public Sector Business Unit is growing rapidly, and we are looking for an experienced Technical Architect to join our expanding team delivering high-impact digital and data transformation for UK Government clients. You w ...

Technical Architect

JOB DESCRIPTION The team you'll be working with: Our Public Sector Business Unit is growing rapidly, and we are looking for an experienced Technical Architect to join our expanding team delivering high-impact digital and data transformation for UK Government clients. You w ...

Solutions Engineer (Remote, UK — London Metro)

Job Title: Solutions Engineer Location: London metro area (Remote) About FusionAuth FusionAuth is a developer-first customer identity platform that gives engineering teams complete control over authentication, authorization, and user management. We serve organizations across B2C, ...

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    Application Engineering Lead Java Python Microservices Jobs in United Kingdom Job Search Guide, Trends and Insights