Contract Backend Engineer Jobs

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Contract Backend Engineer Jobs

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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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Senior Developer - Active SC, Java, OracleUp to £550 per day (Inside IR35)London / Hybrid6 monthsMy client is an instantly recognisable consultancy who urgently require a Senior Developer with Active Security Clearance (SC), to join a business-critical programme.Key Requirements:Proven experience working as a Senior Developer within the public sector. Active Security Clearance (SC) Advanced proficiency in Java technologies (SE 8, EE 5/6/11, EJB, JSP) Proven experience supporting and modernising legacy applications Demonstrated ability to refactor complex codebases and develop robust automated tests Strong background integrating solutions with auditing and protective monitoring services Hands‑on experience with Oracle WebLogic 11gR1, PL/SQL, and Oracle BI Proficiency in building and supporting Java applications using ODBC/JDBC with stored procedures Practical experience developing and supporting Elasticsearch solutionsNice to have:Familiarity with IBM Initiate Master Data Management Experience working with Nginx Understanding of Apache Tomcat and Apache HTTP Server Exposure to ETL tools or processesIf you’re interested in this role, click ‘apply now’ to forward an up-to-date copy of your CV, or call us now. If this job isn’t quite right for you, but you are looking for a new position, please contact us for a confidential discussion about your career.Hays Specialist Recruitment Limited acts as an employment agency for permanent recruitment and employment business for the supply of temporary workers. By applying for this job you accept the T&C’s, Privacy Policy and Disclaimers which can be found at (url removed)

Job Title: Open Stack (AVP) - SalesforceLocation Knutsford (Hybrid)Rate £431 per dayRole OverviewWe are seeking an experienced Open Stack (AVP) Salesforce Engineer to join a delivery-focused technology team. The role requires strong hands-on development capability across Salesforce and Java, with a clear emphasis on modern engineering practices, API design, and test-driven development.This position is suited to a senior engineer who is comfortable working within CI/CD-driven environments and contributing to high-quality, scalable enterprise solutions.Key ResponsibilitiesDesign, develop, and maintain Salesforce-based solutions using Java and modern engineering practices Build and consume RESTful APIs, ensuring robust and secure integrations Apply Test-Driven Development (TDD) and Behaviour-Driven Development (BDD) approaches where applicable Produce and maintain OpenAPI specifications using OAS / YAML Write comprehensive unit tests to ensure code quality and reliability Contribute to automated CI/CD pipelines using GitLab Collaborate with cross-functional teams in an Agile delivery environment Ensure code quality, security, and maintainability through best-practice tooling and standardsMandatory Skills & Experience5+ years’ experience with Salesforce development 5+ years’ experience with Java Strong, demonstrable experience with TDD (and BDD, where applicable) Proven experience designing and building RESTful APIs Hands-on experience with OpenAPI Specification (OAS) / YAML Solid understanding of unit testing frameworks Experience using GitLab for version control and CI/CD pipelines Strong understanding of modern software development lifecyclesDesirable Skills & ExperienceAgile practitioner experience Exposure to SonarQube for code quality management Experience with Veracode or similar security scanning tools Familiarity with Jira and Confluence Experience working in large-scale or enterprise environments

React Native developer

Role: React Native DeveloperLocation: Knutsford (Hybrid)Duration: 6 monthsDay rate: £430 Umbrella OnlyWe are seeking an experienced Senior Software Engineer to join a delivery-focused engineering team building modern, scalable applications using React Native (Web) and Java. This is a hands-on role requiring strong full-stack development capability, disciplined engineering practices, and experience working in Agile environments.The role involves contributing across the full software development life cycle, from design and development through testing, deployment, and ongoing support, with a strong emphasis on code quality, security, and automation.Key Responsibilities

Design, develop, and maintain React Native (Web) applications with a focus on performance, reliability, and maintainability

Build and support Java-based Back End services for enterprise-scale applications

Design and implement RESTful APIs, including documentation using OpenAPI Specification (OAS)/YAML

Apply Test-Driven Development (TDD) principles across Front End and Back End components

Write and maintain unit tests to ensure high levels of code quality and coverage

Contribute to and support CI/CD pipelines using GitLab

Ensure code quality, maintainability, and security using tools such as SonarQube and Veracode

Work collaboratively within Agile teams, participating in ceremonies such as sprint planning, stand-ups, and retrospectives

Maintain clear and accurate technical documentation using Confluence

Track and manage development work using Jira

Required Skills & Experience

5+ years’ experience developing React Native (Web) applications in a production environment

5+ years’ experience with Java development

Strong experience in RESTful API design and development

Hands-on experience with TDD and automated testing practices

Solid experience with GitLab, including CI/CD pipelines

Experience producing and maintaining OpenAPI (OAS)/YAML specifications

Strong understanding of unit testing frameworks and best practices

Proven experience working in Agile/Scrum delivery environments

Web GIS Lead

Stackstudio Digital Ltd.

Role OverviewRole / Job Title-Web GIS LeadWork Location-Wokingham, UK (Onsite)The RoleWe are seeking an experienced Web GIS Lead to oversee the development, implementation, and migration of enterprise GIS solutions. The role involves managing GIS data and systems, guiding GIS teams, and ensuring seamless integration of GIS applications with ArcGIS Enterprise components including ArcGIS Portal, ArcGIS Server, and respective hosted applications and services. The ideal candidate brings a strong technical background in GIS software, enterprise systems, cloud platforms, and demonstrated leadership capabilities.Your ResponsibilitiesGIS Data & System Management

Oversee GIS data management and migration, ensuring accuracy, consistency, and quality across datasets

Manage and optimize GIS databases using SQL/PostGIS, Oracle Spatial, and related systems

Team Leadership & Collaboration

Provide technical guidance, mentorship, and knowledge-sharing support to GIS team members

Collaborate with project managers, clients, and cross-functional teams to understand requirements and deliver effective GIS solutions

Solution Design & Development

Design and develop customized GIS applications using ESRI technologies and various GIS tools

Ensure integration of GIS systems with business workflows and enterprise-level applications

Develop server-side GIS logic using ESRI technologies and enterprise GIS frameworks

Web GIS & Application Integration

Lead the development and migration of GIS-based applications using ESRI technology stack

Utilize programming languages such as Python, SQL, and JavaScript for automation, data processing, and application development

Build custom and COTS-based solutions in ArcGIS Experience Builder using React JS

Spatial Analysis & Visualization

Conduct geospatial analysis, cartographic design, and data visualization to support decision-making

Perform web map creation, service publishing, ArcGIS Portal content migration, and develop StoryMaps

Automation & Workflow Optimization

Build automated workflows using ModelBuilder, Python scripts, and geoprocessing models

Work with tools like FME for spatial data ETL and data transformation processes

Your ProfileEssential Skills / Knowledge / Experience10+ years in GIS Web Application Development & DeploymentDesirable Skills / Knowledge / ExperienceCore GIS Technical Expertise

Strong hands-on experience with ArcGIS Enterprise 11.5, including:

ArcGIS Portal

ArcGIS Server

ArcGIS Data Store

Expertise in ArcGIS Pro, including tools, extensions, and advanced geoprocessing

Competency in ArcGIS Online and Portal for ArcGIS content creation, administration, and deployment

Programming & Development

Proficiency in .NET or Java, along with Python, SQL, and JavaScript

Experience with React JS for custom widget/tool development in Experience Builder

Knowledge of web services, open standards, and geospatial formats (XML, GML, KML)

Database & Cloud Skills

Experience maintaining and processing spatial datasets within relational databases

Working knowledge of spatial indexing, database optimization, and schema design

Familiarity with cloud environments such as AWS, Azure, or equivalent platforms

Experience with infrastructure monitoring tools and performance optimization

Additional Competencies

Strong problem-solving and analytical skills

Ability to work independently and manage multiple priorities

Experience supporting team members in a GIS/technical capacity

Knowledge/experience in creating web-based GIS applications and dashboards

Preferred Experience

Custom development on enterprise GIS servers using ESRI technologies

Experience with:

ArcGIS Experience Builder (COTS & custom tools)

ArcGIS Portal content migration

Service publishing

Web map and StoryMap creation

Strong understanding of spatial ETL workflows using FME

.Net developer with experience in Google Cloud Platform (GCP)

Experience with Google Cloud Platform (GCP), including IAM/IAP, Cloud Functions, Cloud Run, BigQuery, Dataflow and Cloud Logging, with a focus on secure configuration and monitoring

Strong Back End development skills using .NET (C#) and Python to build RESTful APIs and worker services, including asynchronous processing and messaging

Experience with automated testing using xUnit, NUnit or MSTest for .NET and pytest for Python

Ability to build and maintain CI/CD pipelines using tools such as GitHub Actions, Azure DevOps or Jenkins, including artefact management

Practical experience with Infrastructure as Code, particularly Terraform, for environment provisioning and release automation

Knowledge of secrets management and maintaining consistency across development, test and production environments

Understanding of data querying, optimisation and ETL concepts, with experience integrating Power BI with curated datasets

Awareness of data governance and secure data handling principles

Comfortable working in Agile teams, contributing to sprints, backlog refinement and collaboration with lead developers and product owners

Senior Risk Python Developer

I am currently working with a London-based financial services client who are actively seeking a senior Python developer to work on the development of a business critical application within the risk space.What you’ll need to succeed:

Extensive Python application development experience within financial services - must have.

Strong experience with Pandas and Numpy.

Strong data analysis and data manipulation experience within financial services - must have.

Strong experience with Django or similar.

Good knowledge across a range of financial products.

Strong risk knowledge, and a good mathematical background.

Extensive experience working with and analysing large quantities of data.

Strong SQL experience.

What you’ll get in return:

Up to £900pd umbrella.

London-based hybrid working.

Initial 6-month contract with extensions.

What you need to do now: If you’re interested in this role, click ‘apply now’ to forward an up-to-date copy of your CV, or call us now. If this job isn’t quite right for you, but you are looking for a new position, please contact us for a confidential discussion about your career.Hays Specialist Recruitment Limited acts as an employment agency for permanent recruitment and employment business for the supply of temporary workers. By applying for this job you accept the T&C’s, Privacy Policy and Disclaimers which can be found at hays.co.uk

MOD SC GenAI Developer CGEMJP

Role Title: GenAI Developer/Software EngineerDuration: contract to run until 31/03/2026Location: Hybrid, once per month onsiteClearance required: Active Government SC Clearance is required and you must be a UK NationalRole purpose / summaryWe are running a 3 month discovery to build a Proof of Concept for a new app which will be used to collect real feedback from people across the client’s business. This new app should be super engaging, through video & sound - to help people interact more with the equivalent of the pulse survey. We require developers who are comfortable innovating with tools that can generate audio, video etc. Strong prompt engineering skills required.The role is predominantly working within Azure and embedded within a mature AI Factory. Deep technical understanding of GenAI tools, such as GPT models, and other GenAI tools like SORA.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!

6 Months initial contract 3 Days per week on site in Canary Wharf Market Rate (Inside IR35)As a Lead Java Engineer, you will be responsible for technical leadership and delivery of one or more Java and Data intensive applications that are key for achieving the business’ future state Anti-Financial Crime capabilities.Due to the nature of the project, the ideal candidate will have a background in “Anti-Financial Crime”Your key responsibilities

Responsible for design and delivery of key baseline components as well as future state components to transform AFC technology within the business

Providing Technical leadership to one or two squads of highly skilled and motivated engineers working on business-critical product initiatives

Working closely with Product Managers and Architects to understand business requirements and solution vision to chart out a viable delivery path

Lead by example and provide hands on assistance to developers by crafting high quality code as well as performing regular code reviews

Ensuring all software development follows best practice tools and methodologies and is delivered using all relevant bank standards

Your skills and experience

Proven track-record of successful IT (Information Technology) project delivery in a robust technology environment with a clear appreciation of software development best practices and Agile releases trains

Strong experience within server-side development in Java, SQL, Search Technologies, Messaging Technologies with a good understanding of Kubernetes, Dockers and preferably some exposure to GCP (Google Cloud Platform), ReactJS, Python, Big Data Technologies like Spark, Beam

Excellent personal organisation, completer/finisher, consensus builder with excellent communication skills and able to lead global development teams both directly and via influence.

Extensive experience practicing TDD (Test-Driven Development)/BDD (Behaviour-Driven Development) in a Continuous Integration and Delivery environment with strong DevOps/SRE culture.

Thorough understanding of the wider Architecture & Technology landscape, emerging technologies and able to understand and communicate how they apply to the business domain and existing platforms.

Disclaimer:This vacancy is being advertised by either Advanced Resource Managers Limited, Advanced Resource Managers IT Limited or Advanced Resource Managers Engineering Limited (“ARM”). ARM is a specialist talent acquisition and management consultancy. We provide technical contingency recruitment and a portfolio of more complex resource solutions. Our specialist recruitment divisions cover the entire technical arena, including some of the most economically and strategically important industries in the UK and the world today. We will never send your CV without your permission. Where the role is marked as Outside IR35 in the advertisement this is subject to receipt of a final Status Determination Statement from the end Client and may be subject to change.

Title: AWS DevOps EngineerRate: Up to £400 Per day (Outside IR35)Contract length: 6 months (Initially)Location: Bristol (Hybrid 2-3 days a week)iO Associates is supporting a data-driven organisation that’s looking for a Senior AWS DevOps Engineer to join them during a key delivery phase. This is a hands-on contract role, ideal for someone who enjoys working closely with engineers building Node.js applications in a high-volume data environment .The role:You’ll take ownership of AWS infrastructure and DevOps practices, supporting Node-based services that process and move large volumes of data. The focus is on automation, reliability, scalability, and enabling development teams to deliver quickly and safely.What you’ll be doing:Designing, building, and maintaining AWS infrastructure using IaC (Terraform / CloudFormation)Supporting and optimising CI/CD pipelines for Node.js servicesEnabling data-heavy workloads with scalable, resilient cloud architectureManaging containerised environments (Docker, Kubernetes/EKS)Improving monitoring, logging, and alerting across data platformsWorking closely with Node developers to streamline deployments and environmentsEmbedding security, cost optimisation, and reliability best practicesWhat I’m looking for:Strong experience as a Senior DevOps Engineer in AWS environmentsHands-on Infrastructure as Code experience (Terraform preferred)Solid CI/CD and automation backgroundExperience supporting Node.js applications in productionExposure to data-intensive or high-throughput systemsComfortable operating autonomously in a contract roleOur client is looking at this role as a matter of URGENCY and will conduct interviews this week!If you’re interested in this role, or know someone who would be, then please apply to this role with your updated CV and reach out to a .ukTPBN1_UKTJ

Software Engineer C++, C# .Net

Stackstudio Digital Ltd.

Role/Job Title: Software Engineer C++, C# .NetWork Location: EdinburghRole type Permanent/Fixed Term/Contracting: ContractingMode of working Hybrid/Office based: Office BasedThe RoleWe are seeking an experienced and hands-on Software Engineer with skills in developing applications on C++, C# .Net and with a Utilities background . Your Responsibilities Development of applications using C++, C# .Net for power utilities productsYour ProfileEssential skills/knowledge/experience: In-depth knowledge of C# .NET languagesDesign, develop, and manage high-performance software applications using C#Implement and optimize code for performance, security, and memory efficiencyTest and debug various .NET applicationsMonitor and optimize the performance and responsiveness of .NET applications across multiple platforms and environmentsIntegrate third-party libraries, tools, and APIs into C# applications for enhanced functionalityCollaborate with developers, engineers, and stakeholders to ensure seamless integration of .NET applications with other systems and componentsRun unit, integration, and performance tests to ensure the stability and functionality of applicationsConduct code reviews and ensure adherence to coding standards, security protocols, and best practices in .NET developmentParticipate in agile development processes and contribute to continuous improvement of development workflowsDesirable skills/knowledge/experience: Power Transmission and Distribution domainTPBN1_UKTJ

Software Engineer - Senior Sharepoint consultant

Software Engineer Document Management & Workflow SystemsDetails:Initial 6-month contractFully remote , EU working hoursStart end of Feb / early MarchWere looking for an experienced Software Engineer (Contractor) to support a regulated banking client on their Document Management & Workflow systems . The role focuses on platforms covering the full document lifecycle (generation, capture, archiving, signing) using SharePoint Online and cloud technologies.Key requirements:Hands-on experience building Document Management systems in SharePoint Online (essential)Strong programming skills in Java, Python, or similarExperience with AWS (S3, OpenSearch)Familiarity with Git and CI/CD pipelinesExperience in regulated environments (banking/finance preferred)Fluent EnglishKey Responsibilities:Design, implement, and maintain document management, archiving, and signing solutionsWork with APIs, microservices, and cloud-native applicationsEnsure software meets IT standards, security, and compliance requirementsCollaborate with stakeholders and external vendors on solutions and roadmapsSupport security hardening and vulnerability managementParticipate in the full software development lifecycleAnalyse business requirements and maintain technical documentationShare knowledge and best practices within the teamTPBN1_UKTJ

Python Software Developer

Spectrum IT Recruitment

Fareham

Hybrid

Senior

£45,000/day - £70,000/day

RECENTLY POSTED

This role sits within a software team building data-driven systems used in the aviation sector, where reliability and engineering quality are critical. As platforms continue to evolve and new services are introduced, the team is looking for an experienced Python developer who can contribute at a senior level and take ownership of complex, long-lived systems. Up to £70,000 | Fareham, Hampshire | 4 days onsite The role You will work on business-critical applications that process and analyse operational data in a regulated environment. Key responsibilities include: Developing and maintaining Python services Building applications using Flask or Django Working with SQL databases and structured datasets Contributing to cloud-based platforms Improving existing systems and supporting new feature development Participating in code reviews and technical discussions The focus is on maintainable code, clear design, and long-term stability rather than rapid feature churn. What we’re looking for Essential experience: Strong commercial Python development Flask or Django SQL and relational databases Git or similar version controlDesirable but not essential: Cloud platforms Docker or containerised environments Data processing libraries such as NumPy or Pandas You should be comfortable working independently, communicating clearly, and taking responsibility for the systems you work on. Salary and benefits Salary up to £70,000 25 days annual leave plus bank holidays Benefits include pension, private healthcare, life assurance, income protection, wellbeing support, and a flexible benefits allowance. If you are a Senior Python Developer looking for a stable role working on meaningful, well-engineered systems, this is worth a conversation. Apply now or contact Chris Lynes at Spectrum IT Recruitment for more information. Spectrum IT Recruitment (South) Limited is acting as an Employment Agency in relation to this vacancy

Scala Developer

Stealth IT Consulting

My client are seeking a talented Scala Developer to join their engineering team and contribute to the design and development of scalable, high-performance applications. This role involves working on modern distributed systems, building APIs, and collaborating with cross-functional teams to deliver enterprise-grade solutions.Key responsibilities:

Design, develop and maintain Back End services and APIs using Scala and Play Framework.

Implement RESTful endpoints, manage request/response life cycle, and handle authentication/authorization flows.

Write well-structured, idiomatic Scala and use functional programming patterns where appropriate.

Build and maintain automated tests (unit, integration), and support test automation efforts.

Collaborate with product owners, UX, QA, and other engineers in an Agile environment (Scrum/Kanban).

Participate in code reviews, architecture discussions and pair programming.

Troubleshoot and resolve production issues; contribute to reliability and observability (logging, metrics, alerts).

Help define CI/CD pipelines and deployment processes (eg, Jenkins/GitHub Actions/Concourse).

Produce concise technical documentation and handover notes.

Must-have skills & experience:

Strong professional experience with Scala (minimum 3+ years).

Hands-on experience with Play Framework (2+ years) - building controllers, routing, forms, and HTTP filters.

Solid understanding of functional programming concepts and idiomatic Scala (eg, immutability, monads, cats/Scalaz familiarity advantageous).

Experience designing and consuming REST APIs, JSON validation/serialization (Play JSON, Circe).

Experience with relational databases (PostgreSQL) and/or NoSQL (MongoDB), including schema design and query optimisation.

Proven experience writing unit and integration tests (ScalaTest, Specs2, Mockito, etc.).

Familiarity with build tools (sbt) and dependency management.

Experience with Git and branching strategies.

Good understanding of HTTP, web security best practices, and performance considerations.

Experience working in Agile teams and participating in ceremonies.

C++ Quantitative Developer - C+/20 | Linux | Low-Latency | Equities | Python - Permanent

Central London | Onsite 5 DaysWe’re seeking experienced C++ Quantitative Developers (Senior & Lead) to design and implement ultra-low-latency trading systems within a fast-paced equities technology environment.Key Skills & Experience:

Strong C++ (11/17/20+) with Multithreading & asynchronous programming.

Deep knowledge of Linux internals & networking.

Experience with low-latency, Real Time trading systems.

Background in equities trading/execution algorithms.

Familiarity with Python for quantitative research (desirable).

Strong computer science fundamentals (data structures, algorithms, OOP).

Role Highlights:

Develop execution algorithms, order management, connectivity & messaging systems.

Collaborate directly with trading teams to optimise execution performance.

Build robust, resilient, and high-performance trading infrastructure.

Contribute to automated testing, performance benchmarking, and tooling.

Permanent Role - Central London (Onsite 5 Days)Apply Now If you’re an experienced C++ developer with low-latency trading expertise, we’d love to hear from you.

Contract Algo Trading Java Developer - eTrading, low latency, Java APIs, Multithreading, FIX

Our Investment Banking client is looking for an Algo trading Java developer to join the team to work on new initiatives and support for business critical algorithmic trading engines. The team provides innovative solutions for low touch, low latency trading, which includes FIX connectivity, low latency market connectivity, smart order routing, algorithmic trading and internal crossing.The requirement is for a core Java developer. The team is working on a number of algorithmic engines that support benchmark algos, smart order routing and internal crossing.The main responsibilities of this role include:

Delivery of key functional changes to the ETT strategy engines

Delivery of core framework-level changes

Interaction with quantitative trading group/quantitative traders to capture core requirements

In depth understanding of core Java API’s (collections, concurrency, NIO etc.)

Have an understanding of and experience with multithreaded systems, working knowledge of the Java garbage collector, familiar with low latency I/O.

Understanding of and experience with design patterns (Observer, Factory, Singleton etc.)

Development practices - Must be able to use test driven development and be familiar with UML and OO design.

Understanding of benchmark algo and/or smart routing strategies (VWAP, TWAP, Arrival Price etc.)

Demonstrable experience of Front Office system design and architecture (algo trading plant and topology)

Business Knowledge - Understanding of equities and/or derivatives markets.

Knowledge of FIX (heartbeating, login, sequence numbers, message types etc.)

Initial 12 month contract, hybrid working, inside IR35 roleBy applying to this job you are sending us your CV, which may contain personal information. Please refer to our Privacy Notice to understand how we process this information. In short, in order to supply you with work finding services, we will hold and process your personal data, and only with your express permission we will share this personal data with a client (or a third party working on behalf of the client) by email or by upload to the Client/third parties vendor management system. By giving us permission to send your CV to a client, this constitutes permission to share the personal data that would be necessary to consider your application, interview you (Phone/video/face to face) and if successful hire you.Scope AT acts as an employment agency for Permanent Recruitment and an employment business for the supply of temporary workers. By applying for this job you accept the Terms and Conditions, Data Protection Policy, Privacy Notice and Disclaimers which can be found at our website.

Software Development and Test Engineer

First Recruitment Group

Our top telecoms client is looking for a Software Development and Test Engineer to join their team in Irlam on a 12 month contractOur Client has a requirement for a Software Development and Test Engineer, who will be required to work on a contract basis in Irlam.HYBRID ROLE - REQUIRES 3 DAYS IN IRLAM OFFICERole Purpose:

The software development and test engineer is a key part of the technology team that operates the Wholesale Fibre platform. The software development and test engineer both produces solution designs and code suitable to solve development requirements identified, whilst also providing guidance to their wider team.

Job Role Responsibilities:

Create software solutions for defined problems

Work with the Architecture team and wider business to ensure that requirements are accurate

Merging code into the CI/CD process

Review code produced by team members

Provide support for existing code deployments

Support with resolving defects

Prepare, execute & document tests of software-based delivery items

Development of related automatic test suites and the platforms required to run these test suites

Oversee some aspects of the release process, in particular, early life defect remediation, feature requests and ad-hoc support for user queries.

Experience / Skills / Knowledge / Qualifications:Experience of distributed cloud systems, and specifically Amazon Web Services

Experience of Python in a commercial development environment

Experience of Full Stack and Java development is desirable

Understanding of both relational NoSQL database technologies and their cloud versions

Experience of creating and using secure APIs

Troubleshooting performance issues with applications and APIs

Experience of Terraform

Experience of Test-Driven Development

Experience developing test suites for software-based deliverables that include;

Web based UI’s

REST or SOAP API’s

Business software processes (e.g. Database interaction)

Experience of test automation application development

Qualifications

In-service training in subjects related to the testing process, automated tooling and quality systems

AWS (Amazon Web Services) Certification is desirable

Benefits:

PAYE or Outside IR35

Hybrid role

Company informationAt First Recruitment Group we understand just how important it is to secure the right people. That is why our Recruitment Consultants always take the time to understand requirements in detail and offer sound advice to both clients and candidates. We actively recruit at all levels and this is a superb opportunity for a Software Development and Test Engineer looking for new employment.As part of putting people first, we strive to be an equal opportunities employer and we are always looking to increase the diversity of our workforce, working closely with our clients to ensure everyone is included.

12-Month Fixed-Term Contract 55,000 + Excellent Benefits 3 Days Onsite (Leeds or London)We’re delighted to be partnering with a leading organisation on an exciting opportunity for an RPA Developer with strong expertise in automation and RPA (particularly UiPath). This 12-month fixed-term contract offers the chance to play a pivotal role in shaping automation strategy and delivering impactful digital transformation within a collaborative, forward-thinking environment.The RoleAs the RPA Developer, you’ll be responsible for deveoping automation solutions & workflows that optimise business processes and enhance operational efficiency. You’ll work closely with stakeholders across IT, business operations, and delivery teams to translate requirements into robust, secure, and efficient RPA architecture.This is a hybrid position requiring three days per week onsite in either the Leeds or London office, with the remainder working remotely.Key Responsibilities

Lead the end-to-end design and architecture of automation solutions using UiPath and other RPA technologies.

Collaborate with business analysts, developers, and stakeholders to identify opportunities for automation and process optimisation.

Develop and maintain architectural standards, patterns, and best practices for automation initiatives.

Ensure solutions align with enterprise architecture, security, and compliance standards.

Provide technical leadership and mentoring to RPA development teams.

Evaluate emerging tools, technologies, and frameworks to support the automation roadmap.

Oversee solution governance, design assurance, and architectural documentation.

About YouTo succeed in this role, you’ll bring a strong background in solution design and architecture, with a proven track record delivering automation at scale.Key Skills & Experience:

Demonstrable experience as a RPA Developer

Deep expertise in RPA, particularly with UiPath (certification highly desirable).

Power platform advantageous

Experience in designing secure, scalable, and reusable automation solutions.

Excellent stakeholder management and communication skills.

Familiarity with cloud platforms (Azure, AWS, or GCP) would be beneficial.

This is a superb opportunity for a talented RPA Developer to make a meaningful impact in a growing automation function - joining a team that values innovation, collaboration, and excellence.Modis International Ltd acts as an employment agency for permanent recruitment and an employment business for the supply of temporary workers in the UK. Modis Europe Ltd provide a variety of international solutions that connect clients to the best talent in the world. For all positions based in Switzerland, Modis Europe Ltd works with its licensed Swiss partner Accurity GmbH to ensure that candidate applications are handled in accordance with Swiss law.Both Modis International Ltd and Modis Europe Ltd are Equal Opportunities Employers.By applying for this role your details will be submitted to Modis International Ltd and/ or Modis Europe Ltd. Our Candidate Privacy Information Statement which explains how we will use your information is available on the Modis website.

SAP Transportation Management Consultant

CBSbutler Holdings Limited trading as CBSbutler

Job Title: SAP Transportation Management ConsultantRate: 687 per day inside ir35Location: Remote with limited travel to client site (Uxbridge)Contract: 6 months+Clearance required: BPPSRole Summary: We’re looking for an experienced SAP TM Consultant to play a key role in delivering enterprise-scale S/4HANA Transportation Management solutions. You’ll lead the design, configuration and optimisation of SAP TM across planning, execution and settlement, working closely with integrated platforms such as EWM.This is a hands-on role for a delivery-focused consultant who thrives in complex environments, can translate non-standard business requirements into robust solutions, and collaborates effectively with distributed teams and senior stakeholders.Experience Required:

SAP TM S4 experience across Planning, Execution and Settlement (de-centralised experience ideal but not mandatory)

Expertise in configuration and customization of transportation management functionality within SAP S/4 HANA.

Integration experience with EWM and other applications typically connected with SAP TM

Ideal - experience of working with BN4L and P44

Experience of master data design to support the Transportation Management solution

Consumer products experience

Troubleshoot and resolve transportation management system issues and performance gaps.

Experience of taking non-standard requirements through design, build and test

Excellent communication and interpersonal skills.

Experience of working with remote dev teams

Ability to work effectively in a collaborative team environment and with stakeholders at all levels.

3-5 years SAP TM experience with a proven track record of delivery

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

AI Developer/Engineer

AI Developer - Generative AI Specialist - 3 months+ - Hybrid - Rate circa 500- 650We are looking for an experienced AI Developer to join a team developing cutting edge AI solutions who will either have current and active SC clearance or have the ability to be able to obtain SC clearance.You will provide solutions across both Azure and AWS technologies and importantly have a demonstrable background in C#.Net . This will be a very much collaborative role working with a range of domain experts. Being the AI SME you will provide technical expertise on GenAI capabilities and its limitations to the non-technical people.What you will bring to the team

Fine-tune Large Language Models (LLMs) and other generative architectures.

Optimise pre-trained models (OpenAI, Anthropic, or open-source LLMs) for business use cases using prompt engineering and reinforcement learning.

Experiment with model configurations to balance performance, cost, and scalability.

Build robust data pipelines for continuous model improvement and retraining.

Ensure compliance with ethical AI and data governance standards (privacy, bias mitigation).

Develop APIs, microservices, and integrations to embed GenAI models into enterprise workflows.

Work with frontend and backend teams to deliver AI-driven features in production.

Required Skills

Programming: Python, .NET/C# (Key to have a background in C#)

Knowledge of AI principles and AI ethics

Knowledge of data safety in LLM usage

Experience with:

AWS: boto3, Bedrock, SageMaker, Lambda, S3, EC2

Azure: Azure OpenAI Service, Cosmos DB

Retrieval-Augmented Generation (RAG), Graph RAG

Embedding models and LLM training fundamentals

Damia Group Limited acts as an employment agency for permanent recruitment and employment business for the supply of temporary workers. By applying for this job you accept our Data Protection Policy which can be found on our website.Please note that no terminology in this advert is intended to discriminate on the grounds of a person’s gender, marital status, race, religion, colour, age, disability or sexual orientation. Every candidate will be assessed only in accordance with their merits, qualifications and ability to perform the duties of the job.Damia Group is acting as an Employment Business in relation to this vacancy and in accordance to Conduct Regulations 2003.

Full Stack Engineer (Java / React)Tier-1 Bank Long-term Programme Sheffield (Hybrid)This is not a sandbox. This is not a proof of concept that never leaves PowerPoint.This is real engineering, on a live Tier-1 banking platform, with production impact from day one.Adept Resourcing are partnering with a Tier-1 bank delivering a major, ongoing KYC transformation programme. We’re looking for experienced Full Stack Engineers (Java / React) who are comfortable operating at pace, shipping code regularly, and owning what they build.Initial 6-month contract, with a strong likelihood of extension. Hybrid working: 3 days per week onsite in Sheffield.Salary: 525 per dayWhat you’ll actually be doing

Writing production-grade code in a modern Java + React stack

Building and supporting microservices-based architectures that are already live

Designing, building and deploying RESTful APIs at scale

Shipping changes to production frequently and safely

Working closely with architects, product and global engineering teams

Spotting risks early, removing blockers, and communicating clearly when things matter

Improving how things are done, not just delivering tickets

This is a role for engineers who care about quality, understand trade-offs, and don’t need hand holding.What we’re looking forEssential

Strong background as a software engineer, not just a coder

Solid, recent Java experience

ReactJS front-end experience in real-world applications

Hands-on delivery within a microservices architecture

Experience deploying to production at a high cadence

Proven experience building and consuming RESTful APIs

Schema design and database experience with PostgreSQL

Nice to have

Containers and orchestration (Docker, Kubernetes)

Exposure to GCP

Experience in banking or financial services

Why this role stands out

Tier-1 bank, enterprise scale, real constraints

Long running programme with runway, not a stop gap contract

Engineers who deliver matter here

Clear expectations, strong engineering culture, no nonsense

At Adept Resourcing - Commercial & Engineering, we specialise in connecting companies with top talent that drives innovation, growth and success. With our industry expertise, extensive network and personalised approach, we’re here to help you.

Full Stack Engineer (Java / ReactJS)

Adept Resourcing are recruiting on behalf of a Tier-one bank, on a ongoing KYC project, looking for Full Stack Engineers (Java / Rreact JS) for an initial 6 month project (highly likley to renew). This is a hybrid role, with 3 days a week in the Sheffield office.Responsibilities

Hands-on development, delivering production-grade code aligned to a microservices-based architecture

Supporting system architecture and design in line with engineering best practices

Maintaining awareness of business, engineering, and non-functional requirements

Driving and contributing to a strong engineering culture across teams

Collaborating with global teams across multiple regions

Proactively identifying risks, removing impediments, and communicating issues to programme management

Identifying process inefficiencies and implementing innovative, programmatic improvements

Required Experience

Strong software engineering background with proven experience designing, developing, and deploying backend applications

Java (preferably recent versions)

Front-end development using ReactJS

Experience delivering solutions within a microservices architecture

Regular delivery of changes to production at high cadence

Building and delivering RESTful APIs to production

Experience designing schemas and working with PostgreSQL databases

Desirable Experience

Containers and orchestration technologies (Docker, Kubernetes) and exposure to GCP

Previous experience within the banking or financial services sector

Please apply for immediate consideration.At Adept Resourcing - Commercial & Engineering, we specialise in connecting companies with top talent that drives innovation, growth and success. With our industry expertise, extensive network and personalised approach, we’re here to help you.

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