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CONTRACT Backend Engineer Jobs

Overview

Discover top contract Backend Engineer jobs on Haystack, the leading IT job board connecting skilled developers with exciting short-term opportunities. Whether you specialize in Java, Python, Node.js, or other backend technologies, find flexible contract roles that match your expertise and advance your career today. Start your search for the best Backend Engineer contract jobs now!
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Web Developer
Sellick Partnership
Multiple locations
In office
Mid
£500/day
RECENTLY POSTED
processing-js
javascript
csharp
java
500 per day
3-month contract, with strong likelihood to extend
Manchester
We are seeking a skilled and motivated Web Developer to join a major digital programme for a leading public sector organisation based in Manchester. This role offers the opportunity to shape customer-facing technology, improve digital services, and help deliver a modern, user-friendly online experience for residents.
As a Web Developer, you will play a key part in designing, building, and maintaining web-based applications, system integrations, and automation processes that support a large-scale customer experience programme. You will work closely with stakeholders, end users, and partners to deliver innovative, user-focused solutions in line with industry best practices and design principles.
Key responsibilities of the Web Developer
Develop, configure, and maintain web applications and bespoke integrations
Design and implement automation solutions to improve operational efficiency
Collaborate with stakeholders to gather user requirements and translate them into technical solutions
Ensure code quality through reviews, documentation, and adherence to coding best practices
Monitor and troubleshoot live systems, proactively addressing issues
Provide technical expertise, advice, and support to internal teams and partners
Embed cybersecurity considerations into all development work
Contribute to continuous improvement by championing innovation and user-centred design
Required skills and experience of the Web Developer
Degree in Computer Science (or equivalent professional qualification)
3+ years’ experience developing web-based applications and enterprise-level databases
Proficiency in object-oriented languages (C#, Java, VB.NET) and front-end development (HTML, CSS, JavaScript)
Experience integrating systems via APIs and automation tools
Familiarity with low-code platforms and agile methodologies
Strong analytical and problem-solving skills, with a focus on user experience
Ability to work independently, manage priorities, and collaborate with diverse stakeholders
Excellent communication skills and a passion for sharing knowledge
This is a fantastic opportunity for a Web Developer to join a Manchester-based, forward-thinking organisation at the heart of digital change. You’ll work on exciting projects that directly improve services for the public, with the chance to grow your skills, innovate, and make a meaningful impact.
If you believe you have the necessary skills, ambition and experience for the Web Developer role, please apply now, or contact Daniel Berry at Sellick Partnership on (phone number removed). Due to programme timelines progressing fast, the client is looking for a relatively quick appointment.
Sellick Partnership is proud to be an inclusive and accessible recruitment business and we support applications from candidates of all backgrounds and circumstances. Please note, our advertisements use years’ experience, hourly rates, and salary levels purely as a guide and we assess applications based on the experience and skills evidenced on the CV. For information on how your personal details may be used by Sellick Partnership, please review our data processing notice on our website.
Senior Salesforce Engineer
Pontoon
Leeds
Hybrid
Senior
£500/day - £550/day
RECENTLY POSTED
salesforce
git
apex
Location: Leeds (2 days on-site required)
Contract Length: 6 months to be extended.
Rate: 500 inside umbrella.
Are you a passionate Salesforce Engineer looking to take your career to the next level? Our client is searching for a talented Senior Salesforce Engineer to join their innovative Salesforce development team. This is a fantastic opportunity to make a significant impact while working on exciting projects in a supportive environment!
What You’ll Do:
As a Senior Salesforce Engineer, you will:
Drive Development: Collaborate with stakeholders to define technical requirements and design scalable Salesforce solutions that meet our high standards.
Be a Solution Architect: Design and implement solutions on the Salesforce platform, including custom objects, workflows, and Lightning components.
Code with Quality: Develop Apex classes, triggers, and Lightning components to tackle complex business needs while ensuring top-notch code quality.
Integrate Systems: Connect Salesforce with other systems using APIs and middleware while maintaining data integrity and security.
Document Everything: Create and maintain comprehensive technical documentation that captures design specifications and development guidelines.
Lead & Inspire: Provide technical guidance to junior engineers while staying updated on the latest Salesforce features and industry trends.
What You Bring:
To succeed in this role, you should have:
Wide experience as a Salesforce Engineer with a proven track record of delivering complex Salesforce projects.
Salesforce certifications, including Salesforce Certified Platform Engineer I and II, are highly desirable.
Strong proficiency in Salesforce development technologies such as Apex, Lightning Components, Visualforce, and SOQL.
Experience with Salesforce integrations, data management, and configuration best practices.
Excellent communication skills and the ability to collaborate effectively with cross-functional teams.
A proactive approach to problem-solving and the ability to handle multiple projects in an Agile environment.
Familiarity with Git and experience in using branching strategies in your projects.
Why Join Us?
Exciting Projects: Work on cutting-edge Salesforce initiatives that challenge and inspire you.
Collaborative Culture: Be part of a supportive team that values your input and encourages professional growth.
Flexibility: Enjoy the freedom of hybrid work while maintaining a healthy work-life balance.
Continuous Learning: Stay ahead in your career by engaging with the latest Salesforce features and industry developments.
If you are ready to elevate your Salesforce career and make a real difference, we want to hear from you! Join our client’s team and unleash your potential in an environment that thrives on innovation and excellence.
Our client is an equal-opportunity employer. We celebrate diversity and are committed to creating an inclusive environment for all employees.
Pontoon is an employment consultancy. We put expertise, energy, and enthusiasm into improving everyone’s chance of being part of the workplace. We respect and appreciate people of all ethnicities, generations, religious beliefs, sexual orientations, gender identities, and more. We do this by showcasing their talents, skills, and unique experience in an inclusive environment that helps them thrive. If you require reasonable adjustments at any stage, please let us know and we will be happy to support you.
AWS Integration Engineer
Experis
United Kingdom
Hybrid
Mid
£300/day - £414/day
RECENTLY POSTED
aws
github
gitlab
airflow
sql
Role Title: AWS Integration Engineer
Duration: contract to run until 20/12/2025 with high likelihood dof extension
Location: Knutsford. Hybrid, 2/3 day onsite (Some onsite work will be required -London and Glasgow may also be options).
Rate: 400 per day - PAYE via Umbrella Only
Key Skills/ requirements
Deploy comprehensive cloud infrastructure for various products, including Astronomer Airflow and AccelData environments.
Facilitate cross-functional integration between vendor products and other systems, such as data lakes, storage, and compute services.
Establish best practices for cloud security, scalability, and performance.
Manage and configure vendor product deployments, ensuring the setup and maintenance of environments.
Ensure high availability, scalability, and fault tolerance of Airflow clusters.
Implement monitoring, alerting, and logging for Airflow and related components.
Perform upgrades and patches for platform-related components.
Oversee capacity planning, resource allocation, and optimization of Airflow workers.
Maintain and configure integrations with source control systems (e.g., GitHub, GitLab) for version control.
Collaborate with cloud providers (e.g., AWS) for pipeline integration and scaling requirements.
Identify, design, and implement internal process improvements, including re-designing infrastructure for greater scalability, optimizing data delivery, and automating manual processes.
Develop infrastructure for optimal extraction, transformation, and loading of data from various sources using AWS and SQL technologies.
Work with stakeholders, including design, product, and executive teams, to address platform-related technical issues.
Build analytical tools to leverage the data pipeline, providing actionable insights into key business performance metrics, such as operational efficiency and customer acquisition.?
All profiles will be reviewed against the required skills and experience. Due to the high number of applications we will only be able to respond to successful applicants in the first instance. We thank you for your interest and the time taken to apply!
Senior Salesforce Engineer
Pontoon
Leeds
Hybrid
Senior
£500/day - £550/day
RECENTLY POSTED
salesforce
git
apex
Location: Leeds (2 days on-site required)
Contract Length: 6 months to be extended.
Rate: £500 inside umbrella.
Are you a passionate Salesforce Engineer looking to take your career to the next level? Our client is searching for a talented Senior Salesforce Engineer to join their innovative Salesforce development team. This is a fantastic opportunity to make a significant impact while working on exciting projects in a supportive environment!
What You’ll Do:
As a Senior Salesforce Engineer, you will:
Drive Development: Collaborate with stakeholders to define technical requirements and design scalable Salesforce solutions that meet our high standards.
Be a Solution Architect: Design and implement solutions on the Salesforce platform, including custom objects, workflows, and Lightning components.
Code with Quality: Develop Apex classes, triggers, and Lightning components to tackle complex business needs while ensuring top-notch code quality.
Integrate Systems: Connect Salesforce with other systems using APIs and Middleware while maintaining data integrity and security.
Document Everything: Create and maintain comprehensive technical documentation that captures design specifications and development guidelines.
Lead & Inspire: Provide technical guidance to junior engineers while staying updated on the latest Salesforce features and industry trends.
What You Bring:
To succeed in this role, you should have:
Wide experience as a Salesforce Engineer with a proven track record of delivering complex Salesforce projects.
Salesforce certifications, including Salesforce Certified Platform Engineer I and II, are highly desirable.
Strong proficiency in Salesforce development technologies such as Apex, Lightning Components, Visualforce, and SOQL.
Experience with Salesforce integrations, data management, and configuration best practices.
Excellent communication skills and the ability to collaborate effectively with cross-functional teams.
A proactive approach to problem-solving and the ability to handle multiple projects in an Agile environment.
Familiarity with Git and experience in using branching strategies in your projects.
Why Join Us?
Exciting Projects: Work on cutting-edge Salesforce initiatives that challenge and inspire you.
Collaborative Culture: Be part of a supportive team that values your input and encourages professional growth.
Flexibility: Enjoy the freedom of hybrid work while maintaining a healthy work-life balance.
Continuous Learning: Stay ahead in your career by engaging with the latest Salesforce features and industry developments.
If you are ready to elevate your Salesforce career and make a real difference, we want to hear from you! Join our client’s team and unleash your potential in an environment that thrives on innovation and excellence.
Our client is an equal-opportunity employer. We celebrate diversity and are committed to creating an inclusive environment for all employees.
Pontoon is an employment consultancy. We put expertise, energy, and enthusiasm into improving everyone’s chance of being part of the workplace. We respect and appreciate people of all ethnicities, generations, religious beliefs, sexual orientations, gender identities, and more. We do this by showcasing their talents, skills, and unique experience in an inclusive environment that helps them thrive. If you require reasonable adjustments at any stage, please let us know and we will be happy to support you.
Lead AI Engineer
TXP
London
Remote or hybrid
Leader
£700/day - £750/day
RECENTLY POSTED
processing-js
python
docker
We are currently seeking a Lead AI Engineer to work with our public sector client
6 months contract
(Apply online only) inside IR35
Location: London Bristol or Manchester / Hybrid / Flexible on remote working
The ideal candidates will have a proven Artificial intelligence engineering background within public sector ideally holding active SC clearance or have government project experience
Skills & responsibilities:
Ideating and developing one or more AI projects. These could be fully-fledged internal applications the incubator is building. Alternatively, they might be services we’re building for the government’s biggest missions in collaboration with other departments, where we work closely with technical counterparts.
Writing and reviewing code daily.
Collaborating with cross-functional teams and senior stakeholders to quickly understand customer needs and translate them into pragmatic technical solutions leveraging AI.
Leading the design and establishment of frameworks, tools and processes to responsibly develop, deploy and monitor AI products.
Evangelising best practices in applied AI across government.
Staying on top of the latest developments in AI, including new models and paradigms.
Proficiency in Python.
An understanding of deploying and monitoring such systems in a cloud environment.
Familiarity with tools for working with Large Language Models via API or in a local context (e.g. HuggingFace transformers).
Experience with natural language processing, deep learning and generative AI.
Nive to have:
Building AI agents, or products that rely on AI agents
Developing and working with tools and interfaces for AI applications (e.g. Anthropic’s Model Context Protocol)
Training traditional Machine Learning and Deep Learning models
Hands-on experience with containerisation technologies such as Docker.
Experience designing software services with respect to infrastructure, considering dependencies like databases and message queues, cloud environments, and pre-existing services with which yours must collaborate.
Proven ability to collaborate with “non-engineering” disciplines, such as design and user research, to plan and deliver work of provable value as part of a product team, including prioritising, breaking down and sequencing technical work to achieve the best possible outcomes.
Python Automation Developer
PCR Digital
London
In office
Mid
£557/day
RECENTLY POSTED
python
react
git
javascript
ios
selenium
+2
12-month Contract
£557.65 per day - Inside IR35
Role Summary:
We are looking for an experienced Python Automation Developer with 7+ years’ experience, including 2 years leading or reviewing code. While the role is predominantly back-end (around 80%), full stack developers with front-end exposure will also be considered.
You will be supporting automation projects, focusing on using existing tools rather than building them from scratch. The ideal candidate can quickly adapt to new environments, become productive fast, and deliver across Python development, automation, APIs, and database management, with some front-end work in JavaScript/React as needed.
Key Qualifications:
7+ years designing and developing automation solutions in Python, with 3+ years leading reviews and ensuring quality in others’ work.
Hands-on experience with Selenium, and iOS functional automation.
Experience with testing activities across the entire lifecycle of the project from inception to delivery.
Front-End Development:
Design and implement user interfaces using JavaScript, and frameworks such as React.
Back-End Development:
Develop and maintain server-side logic using Python.
Manage APIs and integrate third-party services and tools.
Ensure application data integrity and security by designing and managing databases in Postgres.
Optional Qualifications:
Built LLM applications and familiar with the concepts of MCP servers, Agents, and Retrieval-Augmented Generation (RAG) systems.
Experience with extract, transform, and load (ETL) data with using Python libraries (e.g. Pandas).
Strong understanding of version control systems and CI/CD pipelines to streamline development workflows and proficient with tools such as Git, and Jenkins.
Automated data analytics and reporting across multiple systems.
Lead coordination with multiple Engineering and Product teams to expedite issue prioritization and resolution.
Create detailed test reports documenting progress, status, test plan completion, identified defects, and associated risks.
Responsibilities:
As part of the Automation Team, you will independently design and develop AI based intelligent automation solutions in line with requirements provided by the Product team.
Develop test strategies, plans, cases, and scripts for both existing functionality and new features.
Contribute to multiple initiatives, balancing new feature development with documentation and on-time delivery.
Communicate status and progress in a timely manner, including sprint review reports, presentations, and planning demos for new features and MVPs.
Participate in Scrum ceremonies and cross-functional meetings to strengthen collaboration within and across teams.
Everybody is Welcome: Diversity and Inclusion Statement PCR Digital
“At PCR Digital, we are committed to ensuring that diversity, equity and inclusion play a role at all stages of our recruitment - it is important to us that our own company culture and the culture of our network is as varied and supportive as possible. We love people (it’s why we do what we do), so, regardless of background, we welcome you to work with us or apply to any of our jobs if you feel that they are right for you.”
We also aim to ensure that our entire process is accessible. Please make us aware of any adjustments you may need throughout the selection, interview and general process and we will do all we can to ensure that any barriers are removed for you.
Senior Embedded C++ Software Engineer
CBSbutler Holdings Limited trading as CBSbutler
Southampton
In office
Senior
£440/day - £496/day
RECENTLY POSTED
c++
linux
windows
git
jira
csharp
+2
62ph (Inside IR35)
Southampton (Hybrid)
Initial 6 month contract
Our Southampton facility is a leading UK centre of excellence for electro-optics, photonics, and laser-based technologies. The site focuses on the design, development, and manufacture of advanced systems used across defence, aerospace, and security applications.
We play an important role in supplying critical technologies to both the UK armed forces and international partners, contributing to next-generation capabilities in multiple domains.
We are on the hunt for talented software engineers to support our Integrated Sensors & Protection line of business. Direct industry experience is not required, we are happy to explore all backgrounds.
We want to develop a new generation of features and capabilities using innovative software solutions and we need you to create them.
Essential
Bare metal embedded C++ software development
Embedded interfaces e.g. CAN bus, I2C, SPI, GPIO
Familiarity with the tools and approaches to embedded development
Work in our Southampton office 1-4 days a week. Employees are welcome to work onsite 5 days a week, but our flexible working allows working from home. This project will require time onsite regularly, but it will vary depending on the work required.
SC clearance (or able to obtain it) to work on UK eyes only project (not dual national)
Useful to have
C# application development
Experience with developing Windows & Linux applications
Familiarity with the Software lifecycle processes
Familiarity with Configuration Management process and tools e.g. git
Software design experience e.g. SysML / UML
Test case / procedure development experience
Experience of using Iterative development lifecycles (for example tailored Agile.)
Experience using tools associated with Iterative development lifecycles (Jira / DevOps.)
Docker, Virtual machines and Continuous Integration (CI) tools e.g. Jenkins
Integration Engineer - Informatica, IPaaS
Som3
Reading
Fully remote
Mid
£500/day
aws
postgresql
box
oauth2
sql
snowflake
Integration Engineer
Mainly Remote (monthly meet ups with team)
Outside IR35
Experienced Integration Engineer needed to help design and develop data integration solutions using Informatica IPaaS and Snowflake data Lakehouse
You will
Design, develop and implement ELT & ETL pipelines and workflows using Informatica PowerCenter and Informatica Cloud.
Build connectors from multiple sources including Cloud platforms, bespoke and out of the box APIs, databases, and flat files.
Develop and maintain data mappings, transformations, data pipelines and integration workflows.
Implement real-time and batch data integration solutions to support business requirements
Ensure any integration pipelines or ELT / ETL workflows are built with error and exception handling built into the pipeline / workflow.
Your experience
Proven experience in a similar role so you can provide advice and guidance to the team
Excellent experience in Informatica ELT & ETL development and integration solutions using Informatica as an IPaaS.
SQL and relational databases (e.g., Oracle, SQL Server, PostgreSQL).
Cloud based data storage solutions such as Snowflake and data lakehouse
Experience with cloud platforms (e.g., AWS, Azure, GCP) and cloud-based data integration.
Strong understanding of data warehousing concepts, dimensional modelling and medallion architecture.
Building production-grade pipelines with logging, alerting, retries, idempotency, and robust error handling.
Experience with REST APIs, pagination, authentication (OAuth2, service principals), and file-based ingestion (CSV/Parquet).
Senior .NET/C# Developer, Req#
Huxley Associates
Nottingham
Remote or hybrid
Senior
£530/day
php
dot-net
github
postgresql
csharp
sql
Hello firstName ,
My client within Financial Services is looking for a Senior C#.Net Developer to join their team.
The role will be working on strategic transformation of a legacy system built on PHP and Oracle, migrating to a modern architecture using PostgreSQL and .NET (C#).
Requirements
5+ years of experience in .NET/C# development, with a strong focus on backend services and data access layers.
Proven experience in migrating legacy systems, especially from Oracle to PostgreSQL or similar.
Strong understanding of PL/SQL and experience translating stored procedures into application logic.
Familiarity with PostgreSQL, including performance tuning and SQL dialect differences.
Experience working in hybrid environments where legacy and modern systems coexist.
Comfortable using AI tools (e.g., GitHub Copilot, ChatGPT, code translators) to assist in development and migration tasks.
Solid understanding of software architecture, design patterns, and integration strategies.
Excellent communication skills and ability to work collaboratively in a cross-functional team.
Contract: 6 Months Rolling
Rate: 530 p/d Via Umbrella
Location: Full remote
Please click here to find out more about our Key Information Documents. Please note that the documents provided contain generic information. If we are successful in finding you an assignment, you will receive a Key Information Document which will be specific to the vendor set-up you have chosen and your placement.
To find out more about Huxley, please visit (url removed)
Huxley, a trading division of SThree Partnership LLP is acting as an Employment Business in relation to this vacancy Registered office 8 Bishopsgate, London, EC2N 4BQ, United Kingdom Partnership Number OC(phone number removed) England and Wales
AI + Backend Developer
Grassroots Recruitment Ltd
Reading
In office
Mid
Private salary
aws
spring-boot
typescript
java
html5
python
+4
We re seeking a versatile Backend / AI Developer with hands-on experience delivering end-to-end solutions from concept to production. The ideal candidate brings strong expertise in Java (Spring Boot) and Python, with the ability to build scalable microservices, SaaS platforms, and AI-powered applications. You should be proficient in cloud platforms such as AWS and GCP, and experienced in API-first design, security best practices, and observability tools to ensure reliable, high-performing systems.
On the AI side, you have practical experience working with large language models (LLMs), prompt engineering, and frameworks like LangChain, with knowledge of advanced patterns such as Retrieval-Augmented Generation (RAG) and agent-based systems. A strong foundation in Agile SDLC practices is essential, along with familiarity in containerization, DevOps, and low-code/no-code platforms.
Experience across both backend and AI domains will enable you to seamlessly integrate advanced AI capabilities into scalable enterprise systems, making you a key contributor to building the next generation of intelligent, secure, and high-performance applications.
Backend / AI Developer Key Skills & Competencies
Core Development:
Hands-on experience in taking solutions from concept to production, with strong expertise in Java (Spring Boot) and Python for backend and AI-driven application development.
Proficiency in building microservices, SaaS solutions, and API-first architectures to enable scalable, interoperable systems.
Frameworks & Tools:
Backend: Spring Boot (web, data, cloud, security), JUnit 5, Mockito, database integration.
AI: LangChain, Retrieval-Augmented Generation (RAG), MCP servers (as consumer and developer), and prompt engineering for LLM optimization.
Exposure to popular libraries and frameworks (Apache Commons, Guava, Swagger, TestContainers).
Architecture & Platforms:
Skilled in designing and deploying distributed systems on cloud hyperscalers (AWS, GCP).
Familiarity with containerization (Docker), CI/CD pipelines, DevOps practices, and Infrastructure as Code (IaC).
Experience with workflow/orchestration engines and agent-based architectures.
Scalability, Data & Observability:
Expertise in designing for scalability, performance, and extensibility across structured, semi-structured, and unstructured data.
Strong foundation in security best practices, with practical knowledge of logging, metrics, tracing, distributed debugging, and performance monitoring.
Awareness of AI application security and model safety considerations.
AI Development:
End-to-end development of AI-powered solutions, from concept to production readiness.
Practical experience with LLMs and agentic AI, including LangChain integration, RAG pipelines, prompt engineering, and model consumption via APIs.
Ability to bridge backend and AI workflows, integrating advanced AI capabilities into scalable enterprise platforms.
SDLC & Agile Practices:
Familiar with the Software Development Life Cycle (SDLC) and effective collaboration in Agile environments.
Ability to leverage low-code/no-code platforms for rapid solution delivery.
Nice to Have:
Knowledge of Domain-Driven Design (DDD) and schema-first development.
Experience designing plugin architectures and extensibility frameworks.
Exposure to frontend development (HTML5, CSS3, TypeScript, responsive UIs) for full-stack collaboration.
To apply, please submit your CV and daily rate expectation by clicking on the relevant links. If successful you will be contacted by one of our consultants within 3 working days. Unfortunately, due to the volume of applications we expect to receive for this role, if you do not hear from us within this time you should presume your application has been unsuccessful on this occasion.
Grassroots Recruitment is acting as a recruitment agency and a recruitment business in respect of this contract vacancy. Grassroots Recruitment is an equal opportunities employer and recruiter. We welcome applications from all sections of the community, regardless of age, race, sex, sexual orientation, marital status, religion or disability
Embedded Software Engineer - Power Applications
Core Talent Recruitment
Staffordshire
Hybrid
Mid
£560/day - £600/day
jira
Embedded Software Engineer
12 Month Contract / Inside IR35 / 70-75 per hour / Hybrid
Location: West Midlands
Overview:
This is a hands-on technical role for an Embedded Software Engineer to play a key part in the design and implementation of software for advanced power systems. You’ll act as the subject matter expert on embedded controls, supporting projects from concept through to validation, with significant input into hardware-software integration and system architecture.
Core Scope & Focus Areas:
Lead the embedded software effort across several concurrent projects involving power conversion technologies.
Collaborate with systems, hardware, and electronics engineers to define interfaces and shape system behaviour.
Take ownership of controller development using microprocessors, DSPs, and microcontrollers, with an emphasis on real-time performance and reliability.
Convert high-level system requirements into efficient, testable, low-level embedded code.
Participate in system modelling, prototyping, hardware bring-up and test phases.
Define and document communication interfaces with other system components.
Challenge, refine and structure stakeholder requirements to improve development outcomes.
Support integration testing, fault diagnosis, and product verification.
Drive reuse strategies and knowledge sharing across projects.
Work closely with clients and internal stakeholders to align technical decisions and resolve design trade-offs.
Key Skills & Experience Required:
Degree-qualified in a relevant discipline (e.g. Electronics, Embedded Systems, Software or Mechatronics).
Strong experience delivering embedded software or firmware in safety- or mission-critical industries such as defence, aerospace, transport, energy, or similar.
Excellent coding skills in C/C++, ideally targeting bare-metal or real-time systems.
Familiarity with microcontroller and DSP-based system design.
Capable of interpreting system-level requirements and contributing to interface design and system integration.
Comfortable working cross-functionally in a small, focused engineering team.
Strong communication skills and a proactive mindset when solving technical challenges.
Desirable (Not Essential):
Exposure to simulation tools (e.g., MATLAB/Simulink) and model-based code generation.
Familiarity with modern software tools such as JIRA or similar for task tracking.
Experience using requirements management platforms like DOORS, Polarion, or Jama.
Background in power electronics or working on systems involving electrical energy conversion.
Systems test and validation experience in complex environments.
Additional Information:
Due to the nature of the work, all applicants must be eligible for relevant security clearances within the UK.
Software Engineer PLC (servo drive control)
GCS
Tadcaster
In office
Mid
£392/day - £400/day
TECH-AGNOSTIC ROLE
Role- PLC Software Engineer (servo drive control)
Type- Onsite (5 days)
Rate- GBP 50 pounds per hour
Location- Tadcaster
Purpose-
As a Software Engineer - contractor, you’ll be tasked with the commissioning of our automation machines in a software capacity. Your expertise will be crucial in: PLC programming and commissioning, specifically on Beckhoff applications Motion/Servo drives integration and programming PackML state machine implementation Developing streamlined, efficient code that pushes the boundaries of what’s possible in automation Ensuring our machines meet the highest safety standards by designing software compliant with the Machine Directive (BS EN 12100).
Key Accountabilities / Responsibilities
Create/modify PLC software for automation machinery
Create/modify Motion applications for servo drive control
Provide support with commissioning Beckhoff-based machines at the Tadcaster site
Interpret customer and regulatory requirements to ensure aligned software designs, minimising technical risk
Communicate accurate project status for Beckhoff commissioning activities internally and externally
Collaborate with Project teams to ensure successful resource planning for development milestones
Technical Skills & Experience
Proficient in the use of Beckhoff programming platforms
Experience with Beckhoff hardware configuration and setup
Knowledge of structured text, ladder logic, and function block programming
Integration of robotics into automation solutions. (Staubli preferred)
Integration of vision systems into industrial automation. (Cognex preferred)
Integration of servo drives into industrial automation. (Beckhoff)
Process automation background.
Outputs-
Support delivery of high-quality Beckhoff software design based on comprehensive understanding of customer and regulatory requirements
Possess experience in Full Lifecycle Projects for pharmaceutical and process manufacturing applications using Beckhoff systems
Work towards proficiency in PLC Code design and development, with emphasis on structured text, ladder logic, and function blocks
GCS is acting as an Employment Business in relation to this vacancy.
Senior Full stack Developer .NET/Angular Contract
Adecco
United Kingdom
In office
Senior
£431/day - £517/day
react
asp-net
javascript
vue.js
angular
Senior Full stack Developer .NET/Angular Contract 6-12 Months. My client a leading global name is in urgent need of a talented and experienced Senior Full stack Developer to join them on a contract basis.
You will be responsible for the front-end build quality of responsive web sites using HTML, CSS, Sitefinity and JavaScript under frameworks like React, Angular, or Vue.js aligning with software development standards.You will Build and maintain applications both on-premises and on the cloud (Azure). You will also collaborate with designers and back-end developers to ensure the seamless integration of front-end and back-end functionalities.Ensure security by design principles, GDPR and accessibility standards requirements in front end code delivery. Optimise web applications for performance and responsiveness.Conduct code reviews and ensuring front-end code quality and adherence to best practices
Successful candidates will have significant ASP.NET MVC application development experience, Have a deep understanding of front-end technologies such as HTML, CSS, and JavaScript, as well as experience with a modern front-end framework like React, Angular, or Vue.js.Have experience in collaborating with designers and back-end developers and be able to optimise web applications for performance and responsiveness.Significant experience in Software Development and Agile Methodologies.Significant experience in front end development. Experience in Cloud Technologies and Platforms e.g., Azure. Experience in secure software design and software security best practice and guidelines. If this role sounds of interest drop me a CV so that we can speak in more detail.
GIS Software Engineer
Unify Talent UK
United Kingdom
Fully remote
Mid
£450/day - £500/day
aws
javascript
java
python
docker
kanban
+1
Senior Software Developer
GIS / Geospatial - Java / Python or JavaScript
Duration: Initially 6 months (project scope for 12-24 months)
Rate: (Apply online only) per day, Outside IR35
Location: Fully Remote (UK based)
We are looking to secure the services of a Senior software Developer with experience of leading front and back-end development. You’ll join a project team working on Geospatial data transformation for a high-profile Government program, therefore you MUST have experience in Geospatial using Postgres/PostGIS.
The Software Developer must be experienced in using a majority of Java, Javascript, Python, CSS, Docker, Azure or AWS, or be able to demonstrate sufficient knowledge of similar tools to adopt these quickly. You must also be familiar with Postgres and PostGIS. You’ll need to be able to pick up existing codebases, and improve / amend them, as well as develop and implement new features. Geospatial experience is a requirement, given the nature of the work.
The Software Developer will need to be comfortable turning designs into new front-end applications, and applying design changes to existing applications.
You’ll need to be adaptable, and able to identify where your role can support other areas of the team.
Technical Expertise:
Programming Proficiency: Advanced skills in full stack development, ideally using Java and Javascript or Python, with demonstrated experience in building production-grade applications
Cloud Architecture: Understanding of cloud-native architectures, particularly in AWS or Azure environments.
Hands-on experience developing and debugging CI/CD pipelines, including fluency with containerised deployment methodologies.
Proficient with geospatial data transformations, using Postgres/PostGIS
Professional Capabilities:
The Developer is accustomed to working in Agile and/or Kanban teams
The Developer should demonstrate experience of leading development teams
The Developer should demonstrate experience of working in cross-disciplinary teams and should be comfortable to understand and engage with their key stakeholders in a large organisation.
This is an URGENT requirement - with potential interview slots available today!
Please apply by submitting your latest CV for immediate review by our talent team.
Thank you!

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