Software Engineer - National Security & Defence

UK-Based | Hybrid and Secure On-Site Working | eDV Clearance Required

Solve complex engineering challenges that help protect the UK.

We’re recruiting Software Engineers to join a high-impact engineering team operating at the heart of the UK’s national security and defence mission. You’ll work on sophisticated, mission-critical systems that support real-world operations, collaborating with experts across engineering, intelligence and defence.

This is a role for engineers who want to work on problems that genuinely matter - in an environment where quality, security and rigour are paramount.

The Role

As a Software Engineer, you’ll design, develop and maintain secure, resilient and scalable software solutions for some of the most sensitive and challenging technical environments in the UK. You’ll work within multidisciplinary teams that include systems engineers, analysts, data specialists and security professionals.

Engineering excellence, attention to detail and collaboration will sit at the core of your day-to-day work.

What You’ll Be Doing

Designing, developing and maintaining secure software components used in operational defence systems

Contributing to technical design and architectural decisions

Writing clean, robust, well-tested code for highly secure environments

Working with cross-functional teams including systems engineers, cyber specialists and mission domain experts

Supporting continuous integration and deployment pipelines in restricted environments

Troubleshooting complex issues across distributed systems and secure infrastructures

Applying strict security, coding and compliance standards

Documenting designs, processes and configurations to a high level of rigour

Working exclusively on secure networks within SCIF/SPOF environments

What We’re Looking For

Essential

Active eDV clearance (UK Enhanced Developed Vetting) - mandatory

Strong background in software engineering across design, build, testing and deployment

Experience in one or more core languages (e.g. Java, Python, C++, C#, JavaScript )

Understanding of secure software engineering principles

Experience working in environments with strict security, audit or compliance requirements

Familiarity with CI/CD tooling and version control (Git)

Comfortable working on-site in secure facilities

Strong communication skills and ability to work collaboratively with multidisciplinary teams

Desirable

Experience working in UK defence, intelligence or national security organisations

Knowledge of containerised or distributed systems (Docker, Kubernetes)

Background in data engineering, pipelines or real-time processing

Exposure to event-driven architectures or messaging systems

Experience with infrastructure-as-code or secure cloud/on-prem hybrid solutions

Interest in emerging technologies, high-assurance systems or applied cryptography

Who This Role Suits

You’ll be a great fit if you:

Want to work on meaningful problems with real-world national security impact

Thrive in structured, mission-driven environments

Enjoy solving complex technical challenges under high assurance constraints

Take pride in delivering high-quality, secure and reliable software

Are comfortable working full-time in high-security spaces

What’s In It For You

Purpose-driven work supporting national security and public safety

Access to unique and complex engineering challenges found nowhere else

Opportunities for progression into technical leadership, architecture or specialist roles

Training and development pathways tailored to secure-environment engineering

Supportive engineering community with strong knowledge-sharing culture

?? Interested?

If you’re an experienced Software Engineer with active eDV clearance and a passion for impactful engineering, we’d love to hear from you.

Reasonable Adjustments:

Respect and equality are core values to us. We are proud of the diverse and inclusive community we have built, and we welcome applications from people of all backgrounds and perspectives. Our success is driven by our people, united by the spirit of partnership to deliver the best resourcing solutions for our clients.

If you need any help or adjustments during the recruitment process for any reason , please let us know when you apply or talk to the recruiters directly so we can support you.

TPBN1_UKTJ

Senior Software Engineer - Bazel / Java We are seeking a collaborative and curious backend Engineer to help drive and develop the next generation of developer infrastructure and tooling as we establish a unified, robust and scalable monorepo ecosystem for all engineers at Spotify.. This role helps to support VCS and CI systems in addition to a Fleet Management product for helping developers at our client manage large scale software changes. In the last year, we have invested a huge amount of time and effort into the next steps of that and our migration towards monorepos. The role is located in our Platform Developer Experience (PDX) R&D Studio. The PDX R&D Studio oversees and owns cross discipline infrastructure that cuts across all engineering at our clent including our VCS, CI systems and beyond. YOU MUST HAVE EXPERIENCE WITH BAZEL TO BE CONSIDERED FOR THIS ROLE Role Duties Bring your experience and knowledge of working with Bazel and scaling monorepos to millions of lines of code to help us rethink the future of backend engineering at Spotify Help us migrate to, in addition to own and maintain Bazel and any related abstractions built to improve the developer experience Collaborate with our adjacent infrastructure teams across the company to develop what a best in class monorepo experience means Essential Skills Strong passion for making developers highly productive Experience developing and maintaining tools for large monorepo-based codebases Excellent problem solving skills Experience working with the Bazel build system and its ecosystem (e.g: rulesets such as rules*jvm*external, IntelliJ Bazel plugin, etc.) Fluency in Java, Python, Starlark and TypeScript This contract role can be worked fully renmotely but you must be based in the UK. I have interview slots ready to be filled so dont delay and apply ASAP to be considered. Randstad Technologies is acting as an Employment Business in relation to this vacancy. TPBN1\_UKTJ

Principal Architect – Data Platforms / Data Lakes / Cloud / Python – 12 Month Contract – £700 p/d Inside IR35 – London

A global digital media organisation are looking for a Principal Architect to join their Data Foundation & Product Analytics team on an initial 12-month contract. This role sits at the forefront of enterprise data strategy, engineering, and platform governance — and will be instrumental in shaping the next generation of data infrastructure within the business. This is a hybrid role (London-based) with flexibility in a fast-paced, multi-cloud, multiplatform environment.

You will partner with the Enterprise Data Lake and Governance teams, architecting robust data pipelines and platforms across cloud and on-prem ecosystems, whilst establishing and enforcing standards for data modelling, ensuring consistency in data quality.

Key Responsibilities:

Architect and lead the development of large-scale, secure, and resilient data lakes and pipelines using Data Lakes and Data Mesh concepts.

Extensive experience using Python, SQL and AWS

Define and enforce data architecture across mesh and domain-driven data products.

Implement and govern real-time/batch processing (Kafka, Spark, Glue).

Ensure strong metadata, cataloguing, and lineage practices across the enterprise.

Lead teams of engineers across global hubs, mentoring and supporting high standards.

Knowledge on data governance & security practices such as IAM, RBAC, Collibra, OpenMetadata, GDPR compliance

TPBN1_UKTJ

Machine Learning/Data Engineer

£700-750/day overall assignment rate to umbrella

Fully remote

3-6 month initial

Apply today to join a forward-thinking, tech-driven FTSE 100 organisation using data science and AI to enhance customer experience, optimise supply chains and drive sustainable growth. With 40% of sales from sustainable products, this is a company that combines scale, innovation and purpose.

As a Machine Learning Engineer, you’ll help maintain the stability and performance of core data and ML systems across Europe. This technical engineering role focuses on reliability, optimisation and critical fixes, ideal if you excel at investigating and debugging complex data flows and ML issues in live production environments.

We’re looking for individuals with:

Experience: Proven background as a Machine Learning Engineer.

Technical Skills: Strong in SQL and Python (Pandas, Scikit-learn, Jupyter, Matplotlib).

Data transformation & manipulation : experience with Airflow, DBT and Kubeflow

Cloud: Experience with GCP and Vertex AI (developing ML services).

Expertise: Solid understanding of computer science fundamentals and time-series forecasting.

Machine Learning: Strong grasp of ML and deep learning algorithms (e.g. Logistic Regression, Random Forest, XGBoost, BERT, LSTM, NLP, Transfer Learning).

Reasonable Adjustments:

Respect and equality are core values to us. We are proud of the diverse and inclusive community we have built, and we welcome applications from people of all backgrounds and perspectives. Our success is driven by our people, united by the spirit of partnership to deliver the best resourcing solutions for our clients.

If you need any help or adjustments during the recruitment process for any reason , please let us know when you apply or talk to the recruiters directly so we can support you.

TPBN1_UKTJ

Role: Lead DevOps Engineer Rate: £675 - £715 per day (Inside IR35 - Umbrella) Location: Fully Remote (UK-Based) Duration: Initial 6 months (extensions highly likely) Clearance: Active SC Clearance (Required) The Opportunity Join a high-profile Public Sector transformation programme. We are seeking a senior-level DevOps Engineer to serve as technical leads in the design and evolution of secure, cloud-native platforms. This is a pure IaC (Infrastructure as Code) environment focused on enterprise-scale resilience and security. Core Technical Stack \* AWS Master: Deep expertise across EC2, Lambda, S3, IAM, and VPC. Terraform Expertise: Proven track record in designing and refactoring complex IaC environments (Git/GitLab integration). CI/CD Orchestration: Advanced experience with GitLab CI and Jenkins to automate end-to-end delivery pipelines. Containerization: Practical experience with Docker and Kubernetes (EKS) for scaling microservices. Scripting: High proficiency in Python, Bash, and Ansible for automation and 'code review' leadership. Responsibilities Lead Technical Design: Shape the architectural direction of the AWS environment. Refactoring & Quality: Lead code reviews and promote refactoring techniques to enhance a multi-site enterprise codebase. Security & Compliance: Implement robust security measures aligned to GDS and Home Office security standards. Stakeholder Liaison: Act as the technical bridge between IT colleagues and business clients to track prioritisation and delivery. Apply Now for immediate consideration TPBN1\_UKTJ

Hybrid (2-3 days onsite, Central London) | £75,000 - £85,000 + benefits A high-growth technology company operating at the intersection of real-time data, analytics, and cutting-edge product development is entering an ambitious expansion phase and is looking to hire a Senior Software Engineer to play a key role in its next stage of growth. This is an opportunity to work on mission-critical, real-time systems used at scale, with genuine ownership across architecture, development, and delivery. The role is hands-on, commercially focused, and suited to someone who enjoys solving complex technical problems in a fast-moving environment. What you'll be working on Building and evolving high-performance, real-time platforms that process and deliver live data Developing production-grade systems end-to-end, from requirements and design through to deployment and support Working across modern backend and frontend technologies, contributing to system architecture and scalability Collaborating closely with product and commercial stakeholders to deliver features that matter Supporting live systems, including participation in an out-of-hours support rota Tech environment You'll be working in a modern, cloud-based stack that includes: Backend & Frontend: Python, TypeScript, Golang, Node.js, JavaScript, React Data: PostgreSQL and NoSQL databases Cloud & DevOps: AWS, CI/CD pipelines, Terraform (desirable) Tooling: GitHub, Slack, Trello, Notion Experience with real-time systems (such as betting, trading, finance, or high-throughput data platforms) is highly advantageous, as is any exposure to data science, machine learning, or wearable/sensor technologies. What they're looking for 5+ years' experience in commercial software development Strong system design skills and the ability to work within a wider architecture A delivery-focused mindset with high standards for quality and reliability Comfortable working in both project delivery and live support environments Able to communicate complex ideas clearly to technical and non-technical audiences Self-motivated, adaptable, and confident taking ownership The setup Hybrid role with 2-3 days per week onsite in a Central London office Full-time, permanent position Competitive salary £75k-£85k, depending on experience 25 days holiday, contributory pension, and the chance to grow with a scaling business If you're a senior engineer who enjoys real-world impact, technical depth, and ownership, this is a role worth exploring. Oscar Associates (UK) Limited is acting as an Employment Agency in relation to this vacancy. To understand more about what we do with your data please review our privacy policy in the privacy section of the Oscar website. TPBN1\_UKTJ

Lead Full Stack Software Engineer - Public Sector Digital Transformation

Location: UK (Fully Remote)

Security Clearance: SC cleared/eligible

Lead engineering teams building modern, impactful digital services for the UK public sector.

We’re supporting a purpose-driven digital consultancy in hiring a Lead Software Engineer to guide multidisciplinary teams on high-profile transformation programmes. You’ll shape architectures, lead delivery, mentor engineers, and drive best-practice engineering - all while helping public sector organisations improve services for people and communities.

If you’re an experienced engineer who enjoys leadership, hands-on problem solving and collaborating with non-technical stakeholders, this is an excellent next step.

The Role

As a Lead Software Engineer, you’ll set the technical direction for complex software systems, ensuring solutions are high-quality, secure and scalable. You’ll manage and mentor engineers, foster a culture of continuous improvement, and work directly with product, UX, DevOps and delivery teams to deliver user-centred digital services.

You’ll also help shape engineering culture through your craft - from code standards to CI/CD pipelines to architectural decision-making.

What You’ll Be Doing

Leading the architecture, design and delivery of large-scale digital services

Managing, coaching and developing software engineers at multiple levels

Championing engineering best practice, secure design and high coding standards

Working with Product, UX, DevOps, QA and other teams to turn business needs into robust technical solutions

Driving continuous improvement across performance, reliability, security and development processes

Overseeing and improving CI/CD pipelines , automation and release processes

Conducting code reviews and providing actionable, constructive feedback

Troubleshooting complex technical challenges

Identifying and introducing new technologies or tools where beneficial

Managing scope, timelines and technical delivery across projects

Contributing to early-stage discovery, bids, and occasionally supporting hiring activity (e.g., technical assessments)

What We’re Looking For

Essential

Extensive full-stack engineering experience across design, build, test and deployment

Strong hands-on skills in Java, Spring Boot, Python, microservices , and ideally a polyglot mindset

Deep understanding of Agile , TDD , DevOps and modern engineering practices

Real-world experience building and maintaining CI/CD pipelines and automated testing frameworks

Solid experience with cloud platforms (AWS, Azure or GCP) and Infrastructure as Code

Knowledge of modern architecture patterns: microservices, event-driven, containerised (Docker/Kubernetes)

Experience leading engineering teams through successful delivery

Strong grounding in secure, scalable and well-architected system design

Excellent communication skills, including working with stakeholders at all levels

Desirable

Knowledge of emerging technologies (e.g., AI/ML tools)

Previous senior/lead engineering experience

Experience running large multidisciplinary projects

Line management experience

Experience interviewing and supporting technical hiring

Experience contributing to bids/proposals

Who This Role Suits

This role is ideal for engineers who want to:

Lead teams delivering meaningful public sector services

Have a mix of hands-on engineering, leadership and stakeholder interaction

Influence engineering standards and culture

Shape long-term technical direction for major transformation programmes

Work in an environment that values empathy, collaboration and purpose

Why Join

This consultancy is committed to people-powered transformation , combining technology, design and data to help public sector organisations deliver outcomes that genuinely improve lives. You’ll join a thoughtful, collaborative community that values diversity, learning and openness.

Benefits include:

30 days holiday + bank holidays

2 paid volunteer days

Enhanced maternity/paternity leave

5% employer pension contribution

Health cash plan & wellbeing support

Personal L&D budget

Share Incentive Plan

EV leasing, cycle-to-work and green benefits

and a supportive culture where your leadership can make a real impact.

?? Interested?

If you’re a lead-level engineer who cares about high-quality software and wants to help shape better public services, we’d love to hear from you.

Reasonable Adjustments:

Respect and equality are core values to us. We are proud of the diverse and inclusive community we have built, and we welcome applications from people of all backgrounds and perspectives. Our success is driven by our people, united by the spirit of partnership to deliver the best resourcing solutions for our clients.

If you need any help or adjustments during the recruitment process for any reason , please let us know when you apply or talk to the recruiters directly so we can support you.

TPBN1_UKTJ

Senior Software Engineer - Python - London Salary: Up to £90,000 Location: Hybrid 2 days per week in Canary Wharf (E14) Contract: Permanent, Full Time Interviews: WC 9th February Agency Partner: dcoded The Business dcoded are partnering with a high-growth Real-Time Data SaaS business based in London, operating across a variety of market which includes wellbeing technology and gambling . The company builds low-latency, data-intensive platforms that ingest and process real-time data at scale, supporting: The business is entering a significant growth phase and is expanding its engineering team. The Role We are hiring a Senior Software Engineer to work on external, customer-facing SaaS platforms not internal IT systems. This is a hands-on role covering the full development lifecycle, from system design and build through to deployment and production support, with a strong focus on reliability, performance, and commercial impact . Responsibilities Design and develop scalable components within a real-time SaaS architecture Deliver high-quality software to agreed timescales Build and execute tests to support stable releases Support production systems, including out-of-hours support on a rota Collaborate with product teams and third-party partners Essential Experience PostgreSQL and NoSQL databases Python is the core language TypeScript, Go, Node.js, JavaScript API-driven and distributed systems Desirable Experience Betting, gambling, or other real-time domains (e.g. trading, finance) DevOps, CI/CD, AWS, Terraform Exposure to data science, ML, or real-time telemetry Senior Software Engineer - Python - London TPBN1\_UKTJ

SOFTWARE ENGINEER / OFFENSIVE SECURITY / RED TEAM

Fully Remote

Up to £100,000 + Excellent Staff Bens + Share Scheme

SECURE has Strategically Partnered with a Multi-Award-Winning, Software-Based Organisation at the forefront of Pre-Emptive Exposure Management. As a market leader backed by significant Venture Funding, they expand Offensive Security capabilities, specifically around Threat Detection Engineering, in their mission of helping organisations understand how they could be compromised. Success in this position will enable the business to build Detection Strategies that Continuously Identify Real-World Exploitation, helping Fortune 500 Companies & Critical Infrastructure Providers outrun Real-World Threats in Real-Time.

Our Client is looking for an ambitious Engineer who sits at the Intersection of Software Engineering and Offensive Security . You will Not Just Write Code; you will Architect the Cloud-Native Engines & Big Data Pipelines that Power Automated Red Teaming. Your work will “Bridge the Gap” Between Manual Research & Scalable, Real-Time Threat Simulation.

Skills & Experience of Cyber Security Engineer:

Core Engineering: Minimum 2 Years Background within Software Engineering (Python or Go) with Focus on Maintainable, Production-Grade Code.

Cloud Architecture: Deep experience with Cloud-Native Services (AWS etc) & Serverless Architectures.

Big Data: Proven Ability to Handle High-Volume Data Processing & Ingestion Pipelines.

Offensive Exposure : Interest or Experience in Security (CTFs, Red Teaming) and understanding of TTPs.

Problem Solving: Proactive Approach to Navigating Technical Challenges.

Experience of working within Fast-Moving Growth Environments or B2B Scale-UpsFocusing on Enterprise Clients

Bonus: Contributions to Open-Source Projects or Public Security Tooling

Responsibilities of Application Security Engineer:

Cloud-Driven Engineering: Utilise Cloud-Native Services to Develop Resilient, Big Data Solutions that form their Offensive Security & Data Processing Capabilities.

Data Pipeline Development: Engineer & Maintain Robust Data Pipelines that Process Attack Surface & Offensive Security Data, Delivering Real-Time Insights to Enhance Red Team Capabilities.

Offensive Security Innovation: Lead R&D Projects that push the limits of Offensive Security, Replicating Adversarial Tactics at Scale to Uncover Vulnerabilities.

Architect Scalable Solutions: Design & Implement Scalable Infrastructures that Underpin Cutting-Edge Offensive Tools, Ensuring Efficiency.

Operationalize Research: Collaborate in Translating Manual Exploit Research into Automated, High-Fidelity Detection Engines.

Engineering Excellence: Champion Best Practices in Code Quality, CI/CD & Infrastructure-as-Code (IaC).

Searches: Offensive Security Engineer / Cyber Security Engineer / Software Security Engineer / Red Team / CI/CD / Software Engineer

TPBN1_UKTJ

Senior Software Engineer C++ (Python, SQL, Linux, Trading, FinTech, Financial Technology, Low Latency, Backend) This is a hybrid role, 3 days remote and 2 days in the office Our client actively encourages diversity, equality and inclusion within its workforce and welcomes applications from a diverse background, REC Solutions Limited does not discriminate in regards to age, gender, national origin, religion or any other basis. An excellent opportunity has arisen for a Senior Software Engineer C++to join a friendly team my client are a well-established exchange (FinTech, Financial Technology) based in the City. My client are working with some cutting edge technologies, this is an excellent opportunity to join an innovative, forward thinking company within the FinTech / Financial services space. The successful candidate will join a a supportive team, where my client aim to recruit the best people from all walks of life and diverse business backgrounds. If these sentiments align with your thinking, then my client could be the ideal place for you to develop your career. Benefits (not exhaustive list): Senior Software Engineer C++ (Python, SQL, Linux, Trading, FinTech, Financial Technology, Low Latency, Backend) Competitive salary 25 days annual leave - not including bank holiday Private medical insurance Flexible working hours Company pension Group Policies Life Assurance, Income Protection and Critical Illness Discretionary bonus Share Incentive Plan Electric Car Scheme Enhanced Maternity and Paternity Policy Workplace Nursery Scheme Length of service holiday entitlement My client is an equal-opportunities employer. All applicants will receive consideration for employment without regard to race, gender, colour, religion, sex, sexual orientation, gender identity, national origin, disability or veteran status. Job Overview: Senior Software Engineer C++(Python, SQL, Linux, Trading, FinTech, Financial Technology, Low Latency, Backend) In this role you will work with the Product team, Infrastructure team, and QA team, to produce high performance, low latency and highly reliable code. Your goal will be to develop software which can handle large amount of TPS to drive a highly efficient technology used by several markets around the world, including our own. To be successful in this role as a Senior Software Engineer C++, you will be a proponent of agile methodology and modern software best practices. You can produce detailed technical work in OOP and work with other members of the Development team to produce code of high-quality standards. Ideally, you should have worked in critical systems development in the past. Responsibilities and Duties: Senior Software Engineer C++(Python, SQL, Linux, Trading, FinTech, Financial Technology, Low Latency, Backend) Codes, tests, integrates, and documents software. Provides technical leadership to more junior employees and other teams. Apply principles and techniques of computer science, engineering, and mathematical analysis to the development of complex products. Participate as a Subject Matter Expert in internal review of software components and systems. Work on the hardest technical problems facing the company, often these problems are unusually complex and require the utmost creativity and innovation. Apply and champion the appropriate standards, processes, procedures, and tools throughout the system development life cycle to support the generation of technical engineering products. Keep abreast of technology trends and champion new ideas and process improvements. Required Skills/Experience 8 years development experience in >= C++11 and Boost creating performant, scalable applications. Exposure to real-time systems. By that we meansystems processingfrequenteventsin a timely manner. 5+ years of experience in networking (UDP, Multicasting, TCP, etc...), messaging, and algorithms. 5+ years of experience on Linux systems. Good understanding of modern development best practices and methodologies Python. Git. SQL. Knowledge of capital markets technologies, protocols, and standards such as FIX and SBE. Most importantly, a drive to solve complex technological and trading problematics with a great team of talented developers. Desired Skills/Experience Questdb Dolt Mindsetandmethodology This role involves working with a sophisticated and specialised platform. New joiners invest time in understanding the architecture and domain before making changes to the most critical components. Were looking for someone who enjoys that kind of deep learning and is keen to build long-term expertise that enables them to take on greater ownership and impact. Good team player Autonomous Good understanding of modern development best practices and methodologies Comfortable using Agilemethodology, including continuous integration, sprints, Jira and the relevant processes and workflow. TPBN1\_UKTJ

?? Software Engineer - Developer Infrastructure & Tooling (Platform Developer Experience) ?? About the Role We're seeking a curious, collaborative Engineer to help build the next generation of developer infrastructure and tooling You'll play a critical role in creating a scalable, unified monorepo ecosystem, enabling engineers across the organisation to work faster, collaborate better, and innovate with confidence. This is a high-impact contract role focused on developer productivity, platform scale, and long-term infrastructure evolution. ??? What You'll Do ?? Design and scale Bazel-based monorepos containing millions of lines of code ?? Lead and support the migration to monorepos, owning and evolving Bazel and associated tooling ? Create abstractions, workflows, and automation that significantly enhance the developer experience ?? Partner closely with platform and infrastructure teams to define and deliver best-in-class monorepo tooling ?? Influence the future of backend engineering by improving speed, reliability, and simplicity at scale ?? Who You Are ?? Passionate about making developers highly productive and empowered ??? Proven experience building and maintaining tooling for large-scale monorepo environments ?? A strong problem solver who thrives on complex infrastructure challenges ??? Hands-on experience with Bazel and its ecosystem (e.g. rules\_jvm\_external, IntelliJ Bazel plugin, etc.) ?? Fluent in Java, Python, Starlark, and TypeScript ?? Contract & Location ?? 6-month contract ?? Fully remote ?? £750 / per day ?? Working within an EMEA time zone to support global collaboration Randstad Technologies is acting as an Employment Business in relation to this vacancy. TPBN1\_UKTJ

Location: London (Hybrid) Salary: Competitive + Benefits Halian are representing a leading UK digital publishing organisation is seeking an AI Engineer to drive AI innovation across editorial, commercial, and product teams. This is a newly created opportunity to play a pivotal role in shaping how artificial intelligence is embedded into a large-scale newsroom and digital media environment. You will work cross-functionally to identify high-impact use cases and design practical, scalable AI solutions that improve efficiency, engagement, and decision-making. The Role Design, prototype, and deploy AI-driven tools to enhance newsroom and business workflows Develop prompt-engineered generative AI applications for summarisation, tagging, research support, and operational efficiency Build and test AI agents and automation workflows to streamline repetitive processes Partner with editorial, product, commercial, and technology stakeholders Foster a test-and-learn culture through experimentation and rapid iteration Ensure responsible and ethical AI deployment aligned with organisational standards Stay current with developments in LLMs, generative AI, and applied machine learning About You Proven experience in AI/ML engineering, AI architecture, or data science Strong understanding of generative AI, LLMs, NLP, and ML frameworks (e.g., PyTorch, TensorFlow, Hugging Face) Experience deploying AI models in cloud environments (AWS, Azure, or GCP) Strong Python skills and experience integrating APIs and automation tools Commercial mindset with the ability to translate business needs into scalable AI solutions Experience within media, publishing, or digital product environments is advantageous Whats on Offer Competitive salary 25 days holiday (increasing with service) Pension and life cover Employee discounts and wellbeing support Onsite facilities including gym and healthcare support This is an excellent opportunity for an AI Engineer who wants to see their work deployed at scale within a high-impact, fast-paced digital environment. For a confidential discussion or to apply, please get in touch. TPBN1\_UKTJ

C# .NET £75,000 + bonus + benefits Hybrid working Not every .NET role is the same. This is an opportunity to build and operate software that sits behind critical, real world infrastructure. High reliability. High scale. Proper engineering standards. We are looking for a Senior Software Engineer with strong C# and .NET experience to join a growing engineering function delivering complex, production grade systems. This is a hands on senior individual contributor role. No line management. Real ownership. What you will be doing \* Designing and delivering scalable, reliable software \* Owning complex backlog items from design through to production \* Writing clean, maintainable code aligned to strong engineering standards \* Contributing to technical direction and best practice \* Working closely with Product, Architecture and Engineering leadership \* Ensuring systems are observable, testable and production ready What we are looking for \* Strong C# and .NET experience \* Experience building scalable applications in complex environments \* Solid understanding of TDD and software quality practices \* Comfortable operating in CI CD driven environments \* Confident working across system design, implementation and production support Exposure to Python is a bonus but not essential. This role would suit a senior engineer who enjoys building robust systems rather than churning out features, and who wants genuine ownership without moving into people management. Salary £75,000 plus bonus and benefits. RSG Plc is acting as an Employment Agency in relation to this vacancy. TPBN1\_UKTJ

Contract Machine Learning Engineer (LLM & GC)

6-Month Contract | Outside IR35 | £600 per day

We are seeking an experienced Machine Learning Engineer to support the design and build, production ready ML models on Google Cloud Platform (GCP). This is a hands-on delivery role, focused on turning models into scalable, reliable, production systems that solve real business problems.

The contract will run for at least 6-months, will be Outside IR35 at £600 per day, and we are looking to start the project at the beginning of March. This role suits a delivery-focused ML Engineer who enjoys taking models from concept through to production, rather than staying purely in research or experimentation.

Key Responsibilities

Design, build, and productionise machine learning models using GCP-native services

Translate business problems into deployable ML solutions

Develop and maintain end-to-end ML pipelines (training, testing, deployment, monitoring)

Work with data scientists and engineers to operationalise models at scale

Implement best practices for model performance, versioning, and lifecycle management

Ensure solutions are secure, scalable, and cost-efficient within GCP

Required Experience

Strong hands-on experience building and deploying ML models on Google Cloud Platform

Experience with services such as Vertex AI, BigQuery, Cloud Storage, and Cloud Functions / Cloud Run

Solid Python experience for ML and data engineering workloads

Experience productionising models (not just experimentation or notebooks)

Understanding of MLOps concepts: CI/CD, monitoring, retraining, and model governance

Ability to work independently in a contract environment and deliver at pace

Nice to Have

Experience with real-time or near-real-time ML use cases

Exposure to data pipelines and orchestration tools

Prior work in regulated or large-scale enterprise environments

Contract Details

Duration : 6 months

Rate : £500 per day

IR35 : Outside IR35

Start : March 2026

To learn more about this opportunity, please send your CV to Method Resourcing for consideration.

RSG Plc is acting as an Employment Business in relation to this vacancy.

TPBN1_UKTJ

Core Duties Design and develop machine learning models for traditional ML use cases (forecasting, classification, anomaly detection) and GenAI/LLM applications Lead experimentation cycles: define hypotheses, design experiments, evaluate results, and iterate rapidly while adhering to governance requirements Transition validated experiments into production-ready solutions, working closely with other engineers on deployment and monitoring Build and optimise ML pipelines using AWS services and experiment tracking tools Develop and integrate LLM-powered solutions for tracing, evaluation, and production monitoring Implement robust experiment tracking, model versioning, and reproducibility practices with full audit trails Design feature engineering approaches and contribute to feature store development Support production models through monitoring, performance analysis, and continuous improvement Apply responsible AI practices, including model explainability and fairness assessment Present experiment findings and production outcomes to stakeholders, articulating operational and strategic value Mentor junior colleagues and share learnings across the team About You You will have experience in many of the following: Hands-on experience developing and deploying ML models in Python using frameworks such as scikit-learn, XGBoost, PyTorch, or TensorFlow Strong experience with AWS ML services (SageMaker, Lambda, S3) in production environments Strong experiment design skills: hypothesis formulation, A/B testing methodology, and statistical evaluation Proven track record transitioning models from experimentation to production with appropriate governance and quality controls Experience with experiment tracking and MLOps tooling (MLflow, Weights & Biases, Data Version Control) Experience developing LLM/GenAI applications, including prompt engineering and RAG architectures It Would Be Great If You Also Had Experience In Some Of These, But If Not Well Help You With Them Experience with advanced LLM techniques: agents, tool use, and agentic workflows Experience with vector databases (Pinecone, Weaviate, pgvector) for RAG applications Experience with feature stores (Feast, AWS Feature Store) Experience with containerisation (Docker) and orchestration (Kubernetes, ECS) Familiarity with Infrastructure as Code (Terraform, CloudFormation) Experience with data processing frameworks (Spark, Dask) for large-scale workloads Understanding of data governance and compliance frameworks TPBN1\_UKTJ

Quant Developer / Data Scientist Location: Flexible (Major Financial Hubs) Experience: 25 Years Compensation: Competitive + Performance-Based Bonus A leading asset management firm is seeking a highly talented Quant Developer / Data Scientist to join its systematic and discretionary investment teams. This is a front-office, high-impact role working directly with Portfolio Managers and Quant Researchers to design, implement, and scale the next generation of research and trading infrastructure. This opportunity is ideal for someone who loves hands-on development, quantitative research, and solving complex data challenges in a fast-paced, intellectually rigorous environment. Key Responsibilities Develop and optimise quantitative research frameworks , signal-generation pipelines, and analytics tools. Work closely with PMs and Quants to translate research ideas into production-grade models and code . Build and maintain high-performance C++ and Python components used for modelling, simulation, and live trading. Design scalable Linux-based data and compute architectures , including feature engineering and large dataset processing. Support the creation of robust backtesting environments , ensuring accuracy, reproducibility, and efficiency. Collaborate with investment teams to enhance portfolio construction, execution logic, and model robustness. Contribute to the broader technology and research roadmap, identifying opportunities for optimisation and innovation. Required Skills & Experience 25 years experience as a Quant Developer, Data Scientist, or Research Engineer within a trading, hedge-fund, or asset-management environment. Strong programming skills in: C++ (performance-critical research and execution components) Python (research, data processing, statistical modelling) Solid experience working in Linux environments, including scripting, debugging, and performance optimisation. Understanding of software architecture and experience contributing to scalable, modular research or trading systems. Strong quantitative background with a degree in a highly technical field (Computer Science, Mathematics, Physics, Engineering, Statistics, or related STEM discipline). Excellent problem-solving skills and the ability to work closely with front-office teams. Bonus / Preferred Skills Knowledge of Japanese equity or derivatives markets (microstructure, trading conventions, data nuances). Experience with time-series modelling, market-microstructure research, or alpha-signal development. Familiarity with cloud compute environments, distributed frameworks, or containerised research infrastructure. Experience with CI/CD, Git, workflow automation, and best-practice engineering processes. What Were Looking For Someone who is: Curious, analytical, and proactive. Excited by the challenge of building research and trading infrastructure from the ground up . Comfortable taking ownership, contributing ideas, and working directly with investment decision-makers. Motivated to work in a performance-driven, collaborative buy-side environment. TPBN1\_UKTJ

Software Engineer - Open Source Specialist Location: Gloucestershire Contract Type: Contract About the Role Guidant Global is partnering with our client to recruit an experienced Software Engineer with strong open‑source expertise. You'll join a small, highly skilled technical team delivering bespoke, open‑source‑driven solutions across multiple platforms, including cloud environments and disconnected networks. This role is ideal for someone who thrives in collaborative engineering environments, enjoys solving complex problems, and is passionate about building scalable, secure, and high‑performance applications. Key Responsibilities Develop high‑quality software for client projects, working individually or as part of a development team Collaborate with technical leads and product owners to interpret and deliver against technical requirements Engage directly with clients to gather requirements and propose innovative solutions Contribute to all aspects of the software development lifecycle Produce detailed technical documentation and design specifications Share expertise with colleagues, supporting a culture of continuous learning Work alongside or directly within client teams when required Drive improvements in development approaches, code quality, and delivery standards Required Qualifications Bachelor's degree in Computer Science, Software Engineering, or equivalent experience Proven experience contributing to or managing open‑source projects Experience & Technical Skills Essential Strong proficiency in Go, Python, or JavaScript Experience with Linux-based operating systems (RHEL, Rocky, Debian, Ubuntu) Hands‑on experience with Git and open-source platforms (GitHub/GitLab) Ability to build and deploy scalable applications or libraries Strong debugging, problem‑solving, and performance optimisation skills Understanding of open‑source licensing (MIT, GPL, Apache) Experience with cloud platforms such as AWS or Azure Ability to create clear, comprehensive technical documentation Experience working within development teams on both minor and major projects Background developing robust, scalable, secure enterprise systems Experience across the full software development lifecycle Ability to follow fast, iterative development approaches Understanding of build & release management using tools like Maven, NPM, PyPI, Ansible Experience using Atlassian toolsets (Jira, Confluence, etc.) Desirable Experience with containerisation and orchestration (Docker, Kubernetes) Understanding of Agile sprint planning and cross‑team collaboration Ability to take on technical leadership responsibilities Stakeholder engagement across technical and non‑technical functions Knowledge of CI/CD tools, scripting languages, database technologies, messaging technologies Experience with vulnerability research Behavioural Competencies Strong communication skills, able to engage effectively with both technical and non‑technical audiences Collaborative team player who shares knowledge openly Proactive approach to problem‑solving and client engagement Adaptable, innovative, and comfortable working in fast‑paced environments Why Join Through Guidant Global? Guidant Global is a trusted partner in connecting talented professionals with impactful, forward‑thinking organisations. We support you throughout the recruitment process, offering transparent communication and a people‑first approach. Guidant Global is acting as an Employment Business in relation to this vacancy

Finance Business Partner - E-commerce Large Multi-Site Retail Group
London
Hybrid 2 Days in office
Salary 42,000 - 48,000

Our client is a large multi-site retailer and we need an experienced Finance Business Partner to join the E-Commerce team and deliver high-quality data & financial insight and support. You will be a bit of a pro when it comes to large sets of Data and have large retail, FMCG or Pharmaceutical background.

Reporting into the head of E-Commerce, they need a strong Analyst to connect the dots & alert for whats ahead.

Our client requires someone with extensive experience in Excel, VBA, Power Query & Power BI. Our client is a large, complex Retail Group with a large e-commerce platform & stores across the UK & Ireland.

This role is ideal for someone who thrives on data management and enjoys working with spreadsheets, while also business partnering across stakeholders to gain insight and up to date changes.

Skills required:

Essential:

• Advanced Excel skills (formulas, pivot tables, data analysis).
• VBA, Power Query & Power BI experience ideally
• E-commerce or retail / product pricing experience

Desirable:

• Familiarity with Power Query, basic formulas, auditing, or light data transformation workflows.
• Interest in learning about data pipelines, integrations and automation.
• Python or SQL experience
• Finance Qualifications up to PQ - but not essential

Duties include:

• Leading monthly forecasting, variance analysis and financial modelling
• Automate data processes where possible using advanced Excel functions or VBA.
• Use advanced Excel skills (VLOOKUP/XLOOKUP, INDEX/MATCH, pivot tables, Power Query, data validation, conditional logic) to transform, clean and prepare data.
• Build and manage complex Excel spreadsheets for pricing analysis, margin tracking, and promotional planning.
• Business partner with a wide range of teams across Finance, Marketing, Distribution Centres
• Present weekly reports to senior stakeholders

You will also:

• Support and work closely with the head of E-commerce & partner with Finance, marketing and distribution teams to maintain strong relationships between all departments
• Support the creation of streamlined data processes, so updates made in one area flow cleanly into others.
• Assist with mapping data between systems (e.g., ERP, PIM, CMS, marketplace feeds).
• Help maintain master data files and support the development of a ‘single source of truth.’

This is a fantastic opportunity for someone who enjoys variety and wants to play a key role in e-commerce team. You’ll have the chance to shape processes and work on exciting data projects that drive business growth.

BH35368

Corsham (Wiltshire)
6 Month Contract
£450/day (Outside IR35)

Data Analytics Consultant needed with active SC Security Clearance. 6 Month Rolling Contract based in Corsham (Wiltshire). Start ASAP in March/April 2026.

Hybrid Working - 3 days/week remote (WFH), and 2 days/week working from the office in Corsham (Wiltshire).

A chance to work with a leading global IT and Digital transformation business specialising in large-scale Government projects:

• Project Objective: design, build + implementation of a cloud based Data Analytics platform to provide data workflow, data visualisation + dashboard solutions.
• Key Skills: Tableau, Power BI + Apache Superset dashboard + data visualisation tools.
• Python and R-style workflow development environments.
• SQL querying + data transformation skills.
• AWS / Cloud Native Infrastructure environments.
• Hands-on experience with secure, cloud-based Data Analytics platforms.
• Supporting definition of the POC scoping, success criteria + value proposition.
• Shaping the technical path from POC to MVP considering scalability, security, governance + reuse.
• Supporting build, configuration + implementation activities alongside developers + data engineers.
• Ability to simplify complexity + communicate technical trade-offs clearly to key stakeholders.
• In-depth experience in Data Engineering, Data Analytics platforms and Data Science.
• Identity Access Management (IAM/IDAM) experience would be advantageous.

AI, Automation & Emerging Technology
UK Junior Mid Level 2+ Years Experience

About the Role

We re building a disciplined R&D capability to explore emerging technologies, validate new approaches, and feed high-quality innovation into our Product and Engineering teams.

As our AI Research Analyst (R&D), you ll generate the technical evidence that supports strategic decisions. You ll research AI and automation technologies, evaluate vendors and tools, build (basic) timeboxed proofs of concept in Python and/or C#, and produce clear, decision-ready outputs.

This is not a BAU delivery role.
It s structured, evidence-led innovation.

You ll report functionally to the Head of R&D, with day-to-day coaching from the Senior R&D Engineer (Who is an accomplished Software Engineer)

Salary: £40 - £50K Basic + Bonus + Benefits package

Location: North East office, but remote across the UK is totally fine.

What You ll Bring

Essential

• 2+ years in a technical analyst, research, or solutions-focused role
• Some Hands-on coding ability in Python and/or C# (You’ll learn software engineering from the senior R&D engineer, who’ll learn R&D from you!)
• Practical understanding of AI/ML landscape (LLMs, APIs, strengths & limitations)
• Strong analytical thinking and structured evaluation skills
• Excellent written communication clear, concise, decision-ready outputs
• Self-directed working style with confident stakeholder engagement
• Familiarity with workflow orchestration / BPMN fundamentals

Desirable

• Experience building AI-integrated applications
• API and cloud platform exposure
• Vendor/technology selection experience
• Knowledge of process automation or orchestration platforms

Why Join

• Direct exposure to cutting-edge AI and automation
• Real influence over technology decisions
• Clear progression into Senior R&D or specialist AI roles
• Close collaboration with Architecture, Engineering, and Product

We re looking for curiosity and rigour in equal measure someone excited by emerging AI, but disciplined enough to separate signal from noise.

Apply now!

Job title: Event Management Engineer

Location: Corsham
Duration: 6 months
Rate: 430 per day inside ir35

SC security clearance is required for this role

The Role

Supporting a key programme within the UK defence environment, we’re looking for a Monitoring / Event Management Engineer with strong Splunk and enterprise tooling experience to join the Hosting & Tooling team onsite at MOD Corsham.

You’ll play a key role in monitoring platform management, event correlation, and operational tooling, working closely with engineers, analysts, and client teams to maintain and improve monitoring capabilities across critical services.

Key responsibilities include:

• Managing and optimising Splunk and enterprise monitoring tools
  Creating and maintaining event management policies and monitoring rules
  Developing Splunk queries (SPL), dashboards, and alerting logic
  Supporting tooling platforms such as BMC TrueSight, BMC Discovery, and Netcool
  Deploying and managing monitoring agents
  Producing technical documentation and architecture diagrams
  Supporting both operational (RUN) activities and project delivery
  Working directly with client teams to support monitoring requirements
  Building automation scripts and integrations (Python / PowerShell / APIs)

Required Experience:

• Strong Splunk experience (SPL, dashboards, rules)
  Experience with enterprise monitoring platforms (BMC, Netcool, SolarWinds, Zabbix, Nagios etc.)
  Knowledge of event management and observability tooling
  Experience working across Windows, Linux, or AIX environments
  Scripting with Python or PowerShell
  Understanding of networking concepts and SNMP
  Experience building automation and integrations via REST APIs

If you are interested in this role, please feel free to submit your CV.

If you are interested in this role, please feel free to submit your CV.