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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!
Freelance SAP CPI Developer - Fully Remote (Europe-Based)
IT Human Resources
Not Specified
Fully remote
Mid - Senior
Private salary
RECENTLY POSTED

Location: Anywhere in Europe (fully remote)
Duration: 6 months initially, with high likelihood of extension
Client: Leading European enterprise (end client)

About the Role:
We are seeking an experienced SAP CPI Developer to join a high-performing team supporting a major European client. This is a fully remote role, but the candidate must be based in Europe. The role focuses on designing, implementing, and supporting SAP Cloud Platform Integration (CPI) interfaces to replace Legacy SAP PO integrations.

Key Responsibilities:

  • Design, develop, and maintain SAP CPI integration flows.
  • Implement interfaces for traceability, serialization, and other business-critical processes.
  • Collaborate with functional teams to gather requirements and provide integration solutions.
  • Troubleshoot and support existing integrations to ensure smooth operations.
  • Work closely with API Management and other SAP Integration Suite modules.

Requirements:

  • Proven experience with SAP CPI/Integration Suite and API Management.
  • Hands-on experience with IDoc, SOAP, REST, and OData interfaces.
  • Strong knowledge of SAP PO to CPI migration projects is a plus.
  • Ability to work independently in a fully remote environment.
  • Excellent communication skills in English.
  • Must be based in Europe.

What’s on Offer:

  • Fully remote work with a flexible schedule.
  • Competitive day rate for 6 months initially, with extensions highly likely.
eDV Software Engineer
FryerMiles Recruitment
London
In office
Mid - Senior
£650/day - £750/day
RECENTLY POSTED
TECH-AGNOSTIC ROLE

Software Engineer – eDV Cleared - £650 to £750 per day – London (5 days on-site)

FryerMiles are delighted to working with a brilliant Management Consultancy to assist with their recruitment of multiple eDV Software Engineers to join a long-term major programme based in London.

Working within a classified environment, the successful candidates will apply strong software engineering principles to build reliable, scalable, and secure applications while complying with strict security and operational standards.

Key Responsibilities include:

Develop and maintain secure software for classified systems

Write high-quality code and contribute to system design

Perform testing, code reviews, and fix defects

Work in secure environments and collaborate with agile/DevOps teams

Requirements:

Active Enhanced Developed Vetting (eDV) clearance in the UK

Strong experience in software development and engineering best practices

Experience with modern development frameworks, version control, and CI/CD pipelines

Knowledge of secure coding practices and system security principles.

Strong problem solving and communication skills.

This is a fantastic opportunity for an eDV cleared Software Engineer to work on a long-term project with a very reputable Management Consultancy.

Software Engineer – eDV Cleared - £650 to £750 per day – London (5 days on-site)

TPBN1_UKTJ

C# / .net Software Engineer
Experis
Milton Keynes
Hybrid
Mid - Senior
£500/day - £550/day
RECENTLY POSTED
+4

Milton Keynes - first few days for training then 1 site visit a month
6 Months Contract

£550 per day

We are looking for an experienced C# Software Engineer to join the team and support us on our journey in transforming our application landscape to provide a modern, cloud hosted finance platform.

This exciting opportunity offers the chance for you to work for a fantastic brand and to help shape our digital future.

About the role

As a key part of the scrum team, you will help to shape the company’s core products, working on green and brownfield solutions using the latest technologies.

You will play an important role in the product lifecycle, contributing to design, from development through to delivery.

About you

We are looking for a good communicator and strong team player with skills aligned to our tech stack. We would expect you to have strong experience in most of the following:

Tech Stack

C# .Net Core
Typescript
React
Web API
Kubernetes / Docker
AWS / Azure
GIT
SQL / NoSQLWorking Principles

REST
SOLID
TDD
Agile / SCRUM
CI / CD
DevOps

.Net Software Developer
IO Associates
Multiple locations
Hybrid
Mid - Senior
£350/day - £400/day
RECENTLY POSTED

.Net Developer

2 days a week onsite in Banbury

£350pd to £400pd - Inside IR35

8 month contract

Our client are looking for an experienced Developer to join them on a contract basis

They are a household name, operating at the forefront of the IT and engineering sectors, specialising in the development of advanced engineering software and digital tools.

Due to ongoing strategic initiatives and growth in their engineering software capabilities, our Client is seeking a highly skilled Software Developer with expertise in .NET technologies. This contract position offers an exciting opportunity to contribute to the design and development of robust, maintainable software solutions that support engineering workflows.

We are looking for:

Proven experience in designing and developing software using .NET and C#.

Proficiency in building RESTful APIs and microservices deployed via container orchestration tools like Kubernetes.

Strong understanding of SQL and experience working with relational databases such as MS SQL Server or Postgres.

Familiarity with modern software development methodologies within an Agile environment.

Practical knowledge of DevOps practices, including CI/CD pipelines and Azure DevOps.

Excellent problem-solving skills and attention to detail.

Effective communication skills, both technical and non-technical.

Experience with Python would be highly beneficial

Interested to hear more? I would be more than happy to discuss the role in more detail, along with any other opportunities you may be open to!

TPBN1_UKTJ

Senior Java Developers (x2) - Contract | Remote-First
Lord Search & Selection
Didcot
Fully remote
Senior
Private salary
RECENTLY POSTED

We are seeking two experienced Senior Java Developer contractors to join our client’s UK team immediately. Help drive the future of commerce through innovative automated solutions powering next-generation warehouse and supply chain systems.

Role Details

Engagement: Contract (urgent start)

Location: Remote-First / Hybrid (UK-based)

What You’ll Do

Build and maintain efficient, reliable, and high-performance software in line with team coding standards and best practices.
Contribute to the design of software components and systems to ensure solutions are robust, scalable, and maintainable.
Participate across the full software development lifecycle: requirement analysis, design, coding, testing, deployment, and support.
Champion software best practices, coding standards, and continuous integration/delivery across project work.
Develop and maintain test automation frameworks, CI/CD pipelines, and technical documentation as needed.
Optimise application performance for high-scale warehouse control systems.
Mentor junior developers and uphold high engineering quality standards.
Collaborate in an Agile environment to solve complex supply chain challenges.Key Skills & Experience

Core Java expertise (5+ years) with strong problem-solving capabilities.
Proven track record in software development and implementation.
Deep understanding of object-oriented programming, design patterns, and software engineering principles.
Strong analytical and problem-solving skills.
Familiarity with logistics and operations research concepts is advantageous.
Highly reliable, responsible, and effective as part of a collaborative team.
Excellent verbal and written communication skills in English.To apply please submit your full CV quoting reference 10301

Java Software Engineer into Architect
Computer Futures
Binfield
Fully remote
Mid - Senior
£450/day
RECENTLY POSTED

Hiring: Java Software Engineer

UK-Based | Remote | 12‑month contract | 450 per day

I’m currently supporting the search for a highly capable Java Software Engineer looking to transition into Architecture to join a major transformation programme, leading the migration from on‑prem services into Azure.

This isn’t a junior role in experience - we’re looking for someone with high-level architectural capability, strong communication skills, and the confidence to guide and oversee the work of experienced engineers.

What You’ll Be Doing

Supporting the Senior Architect across a large-scale cloud migration
Shaping data pipelines, data flows, and system-wide design
Providing architectural oversight to senior developers
Working across Java, Python and large data environments (design > coding)
Bringing a strong, assertive technical voice to ensure delivery stays on track

What we’re looking for:

✔ Strong Java engineering experience
✔ Exposure to cloud migration (Azure ideal)
✔ Knowledge of Python or big‑data environments is a bonus
✔ Confident communicator who can work across multiple technical teams

Please click 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 Computer Futures please visit

Computer Futures, 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

Oracle EBS Payroll Consultant
NU Concept Solutions Ltd
London
Remote or hybrid
Senior - Leader
£550/day - £600/day
RECENTLY POSTED
TECH-AGNOSTIC ROLE

Oracle EBS Payroll Consultants (both Functional and Technical)

We have new REMOTE contract positions for Oracle EBS Payroll consultants to start over the next couple of months.

Theserolesareforourglobalconsultancyclient for one of their high-profile clients.

Key Requirements

Either:Oracle EBS Payroll Techno-Functional Consultant

  • Oracle EBS Payroll Techno-Functional Lead
  • awareness of EBS Payroll: specifically, UK Payroll & Absence
  • very strong in Oracle PL/SQL, Custom Forms, Reports & Fast Formulas.
  • 8 years+ of experience
  • should have worked on support projects
  • excellent in troubleshooting & providing fixes

Or:Oracle EBS Payroll Functional Consultant

  • 8 Years+ of experience in EBS Payroll
  • Demonstrable expert proficiency in all aspects of UK Payroll, Pension, and Absence processes etc.

JobType:Contract

Location:REMOTE + occasional visits to either Canary Wharf, London or Leeds (must be UK-based)

StartDate:March to May 2026

Duration:6-12months+

RighttoWork:MustbeBritishCitizenorhaveILR

PleasecouldyougetintouchASAPifthisispotentiallyofinterest.

Reference:TJ/260307

DevOps Engineer AWS / Python / Cloud Platform
Essential Consulting
Sheffield
Hybrid
Mid - Senior
Private salary
RECENTLY POSTED

We are supporting a Tier 1 financial institution in hiring a DevOps Engineer to join a specialist engineering team responsible for a cloud resilience platform used to protect critical applications running in public cloud environments.

  • Sheffield (Hybrid 3 days onsite)
  • Competitive day rate (Inside IR35)
  • Initial 6 month contract

This platform enables applications to recover from severe but plausible cyber events such as ransomware attacks and plays an important role in the organisations wider cloud security and resilience strategy.

The successful contractor will join an established DevOps and software engineering team responsible for building, scaling and operating the platform across AWS and GCP environments.

This role will suit a DevOps engineer with strong coding capability, ideally someone who originally came from a software engineering background.

Key Responsibilities

  • Supporting the build and maintenance of platform environments across AWS and GCP
  • Managing CI/CD pipelines and deployment automation
  • Supporting software releases through controlled enterprise production environments
  • Helping onboard internal applications onto the platform
  • Working closely with software engineers to support application lifecycle and deployment automation
  • Maintaining infrastructure and platform environments as adoption grows
  • Ensuring deployments comply with governance and release control frameworks
  • Supporting operational stability as the platform scales across regions

Key Requirements

  • Must have significant Tier 1 banking experience
  • Strong DevOps engineering background
  • Strong experience working with AWS cloud environments
  • Exposure to GCP is beneficial
  • Strong coding capability, ideally with Python
  • Experience working in environments where software engineering and DevOps overlap
  • Experience building and maintaining CI/CD pipelines
  • Comfortable working within regulated or enterprise environments
  • Strong collaboration skills and ability to work closely with engineering teams

Highly Desirable

  • Experience supporting internally built engineering platforms
  • Exposure to Go-based systems or environments

Location

This role is Sheffield based, with 3 days per week required onsite, this is a firm requirement therefore candidates should ideally live within a commutable distance of Sheffield.

Automation & Integration Engineer, Power Platform/Automate
Experis
London
Hybrid
Mid - Senior
Private salary
RECENTLY POSTED
TECH-AGNOSTIC ROLE

Automation & Integration Engineer (Power Automate / Power Platform)

Location: London 1 day a month in office
Department: Digital Workplace
12 month contract

Outside IR35

We’re looking for an experienced Automation & Integration Engineer to design, build, and scale automation, integration, analytics, and sustainability reporting across our Digital Workplace portfolio.

This role is central to delivering a modern, automated, insight-driven, and sustainable Digital Workplace, using the Microsoft Power Platform, APIs, and enterprise integrations. You’ll work closely with Endpoint, Identity, DEX, Operations, and Pre-Sales teams to create secure, reusable, and productised automation assets at scale.

?? What You’ll Do

Automation & Workflow Engineering

  • Design and build workflows using Power Automate, Logic Apps, and (where applicable) Azure Functions.
  • Create reusable automation patterns for joiner/mover/leaver processes, device lifecycle, and identity workflows.
  • Build custom connectors, API authentication models, and automation catalogues for reuse across products.

Systems Integration & APIs

  • Integrate Microsoft 365, Entra ID, Intune, ServiceNow, and HRIS platforms (Workday, SAP, SuccessFactors, etc.).
  • Build REST and Microsoft Graph API integrations using event-driven and webhook-based architectures.
  • Engineer resilient workflows with transformation, error handling, and monitoring.

Data, Analytics & Reporting

  • Design data models across identity, device, DEX, HRIS, and automation datasets.
  • Build Power BI dashboards for automation performance, lifecycle tracking, operational KPIs, and XLAs.
  • Enable analytics pipelines that support operational insight and service optimisation.

Sustainability & ESG Automation

  • Engineer analytics for device lifecycle carbon impact, logistics emissions, reuse, and WEEE reporting.
  • Build dashboards for sustainability KPIs across Digital Workplace services.
  • Automate ESG data collection across endpoint, asset, and service workflows.

Governance, Security & Standards

  • Implement Power Platform governance, DLP policies, connector controls, and monitoring.
  • Ensure automations follow secure-by-design, least-privilege, and compliance standards.
  • Produce high-quality technical documentation, standards, and integration patterns.

?? What We’re Looking For

  • Strong hands-on experience with Power Automate and Logic Apps.
  • Deep understanding of REST APIs, JSON, Graph API, and enterprise integrations.
  • Experience integrating Microsoft 365, Intune, Entra ID, ServiceNow, and HRIS systems.
  • Proven ability to design data models and build Power BI dashboards.
  • Strong engineering mindset with focus on reusable, scalable automation.
  • Interest in sustainability, ESG reporting, and analytics-driven decision making.
  • Experience in an MSP or large enterprise environment (preferred).
  • Excellent documentation and standardisation skills.
Python Programmer/Linux/Technical Analyst - Scotland/Glasgow
Scope AT Limited
Glasgow
In office
Mid - Senior
Private salary
RECENTLY POSTED

Python programmer with strong technical analysis and Linux SA skills working within large scale production environments including application development and designing tools for storage capacity management. Must have a depth of knowledge of UNIX/Linux, network protocol, strong Scripting skills and ability to write robust, maintainable code OO Perl/Python. By 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

Database Engineer/SRE - Kubernetes/Clustering/AWS - Glasgow/Scotland
Scope AT Limited
Glasgow
In office
Mid - Senior
Private salary
RECENTLY POSTED

Database Engineer/SRE with database plant management experience of large-scale distributed systems and strong Scripting and automation skills (Python, Terraform, Ansible, etc.). Must have familiarity with cloud based architectures, CI/CD pipelines and infrastructure-as-code practices. By 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

Java Developer
Qualient Technology Solutions UK Limited
Leeds
Remote or hybrid
Senior
Private salary
RECENTLY POSTED
+5

Job Description:

Senior developer with the following skills and experience. Strong communication and collaboration skills key for working in DevOps culture with ability to guide team members, when needed. Growth mindset.

Essential Skills:

Core AWS Services: Proficiency / understanding of key AWS services listed below:-
S3

Athena
Glue- Lambda
DynamoDB
OpenSearch
CloudFormation
API Gateway
ECS
CloudWatch

Programming and Core Services

• Fluency in Kotlin/Java, NodeJS, TypeScript

• SQL

Databases:

Experience with SQL, and NoSQL databases such as DynamoDB

Security strong understanding of security principles within the AWS environment,

including RBAC and the principle of least privilege, storing credentials securely using

Secrets Manager/KMS, and handling sensitive data such as email addresses and

tokens securely.

CI/CD Building and managing continuous integration and delivery pipelines is a

key skill. Experience with Git and GitHub Actions

Workflow Management Understanding of services like Amazon Step Functions to

implement complex workflows Desirable

Containers experience of working with Docker and ECS

Good understanding of DevOps / DevSecOps concepts

Other Skills

Monitoring and debugging familiarity with tools like Datadog

Familiarity with Angular framework

DevOps Engineer - DV Cleared
CBSbutler Holdings Limited trading as CBSbutler
Worcester
Hybrid
Mid - Senior
£550/day - £600/day
RECENTLY POSTED
+5

DV Cleared DevOps / Software Engineer - Contract
550- 600 per day Outside IR35
Condensed week available - work 3 long days, paid for 5
Active MOD DV Clearance required

We are looking for an experienced DV Cleared DevOps / Software Engineer to join a high-impact technical environment. This role suits someone who thrives in modern DevOps ecosystems, enjoys building secure, scalable platforms, and wants the flexibility of a condensed working week.

You will work across the full software delivery lifecycle, helping to design, build, automate, and maintain robust cloud-native and containerised platforms.

Key Responsibilities

  • Design, build and maintain CI/CD pipelines for reliable software delivery
  • Deploy and manage Kubernetes clusters and application platforms
  • Collaborate with engineers to develop, test, and release software efficiently
  • Implement automation and infrastructure as code
  • Ensure systems remain secure, resilient, and scalable
  • Deliver software fixes, upgrades, and performance improvements
  • Contribute to workflow improvements and DevOps best practices

Technical Skills (Must Have)

  • CI/CD & Automation: GitLab CI, Terraform, Ansible, Helm Charts
  • Scripting & APIs: Python, PowerShell, REST APIs
  • Containerisation & Platforms: Kubernetes cluster build and application delivery
  • Application Technologies: Apache NiFi, Elastic ECK, Artifactory
  • Secrets Management: Hashicorp Vault
  • Operating Systems: RedHat Linux and Windows

Experience & Background

  • Experience across the full software development lifecycle
  • Strong understanding of automation and DevOps tooling
  • Knowledge of secure software delivery practices
  • Comfortable working with multiple programming / scripting languages
  • Ability to collaborate across teams and support continuous improvement

Key Details

  • Contract Rate: 550- 600 per day
  • Status: Outside IR35
  • Clearance: Active MOD DV clearance required
  • Working Pattern: Option for condensed week (3 long days, paid for 5)
Data Visualisation Engineer
Hays Technology
Swindon
Hybrid
Mid - Senior
£546/day
RECENTLY POSTED
+6

JOB DETAILS

  • 546 PER DAY
  • INSIDE IR35
  • 1 DAY PER MONTH IN SWINDON
  • 6-MONTHS CONTRACT
  • IMMEDIATE START
    SKILLS
  • Extensive experience in PowerBI.
  • Strong skills in Power Platform (Power Apps and Power Automate).
  • Cloud experience in AWS.
  • Excellent understanding of data pipelines.
  • Experience working with SharePoint, GitHub and CI/CD workflows.
    RESPONSIBILITIES- Build and integrate data pipelines within AWS ecosystems, including API Integrations, PowerBI gateways and Serverless workflows, (Lambda).
  • Design and implement data solutions using storage and processing technologies, e.g. MySQL, PostgreSQL, SharePoint, S3 or AWS RDS).
  • Contribute to internal tools and platforms using full-stack technologies e.g. Angular, Node.js, Java or Python.
  • Manage CI/CD pipelines using GitHub, GitLab or AWS CodePipeline.
  • Integrate legacy, on-premise and cloud-native data sources into unified, scalable architectures.

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 (url removed)

Platform Engineer
CBS Butler
Leeds
Hybrid
Mid - Senior
£475/day - £500/day
RECENTLY POSTED
+8

Rate: Up to £500/day (Inside IR35)
Location: Leeds - two days per week on-site
Duration: Initially 6 months
Clearance: BPSS required on commencement; SC clearance required within three months. Candidates must be eligible for SC clearance.

The Role
You will be part of a team operating and evolving a platform classified as Critical National Infrastructure, maintained to a high service level.
Day-to-day responsibilities include resolving high-priority incidents, implementing new features aligned to the product roadmap, reducing technical debt, and driving improvements to DevOps processes.
You will work closely with Product Owners, Business Analysts, and Technical Leads in an agile delivery environment.

Key Requirements

  • Strong Java development skills; Python experience also beneficial
  • Familiarity with identity and access management tooling, including PingDS and PingIDM
  • Experience with containerisation and orchestration: Docker and Kubernetes
  • Cloud infrastructure experience across AWS and/or Azure; Terraform for IaC
  • CI/CD pipeline experience, ideally Jenkins and/or GitHub Actions
  • Working knowledge of HAProxy, PostgreSQL, and/or Microsoft SQL Server
  • Experience with testing frameworks such as Gatling (Scala), Karate, or Playwright is advantageous
InterSystems Integration Engineer
Hays Specialist Recruitment
Wiltshire
Hybrid
Mid - Senior
£550/day
RECENTLY POSTED

Hays are now looking for an Integration Engineer - Intersystems for one of our local clients:

  • £550 p/d Inside IR35
  • 2 days a week in Wiltshire, the rest is WFH
  • Must currently hold SC Clearance

We are looking for an Integration Engineer with strong, hands-on experience across InterSystems technologies such as HealthShare, Ensemble, IRIS or Caché. The role involves building and maintaining integration workflows that link internal and external platforms, support reliable data movement, and improve business efficiency. You’ll work closely with technical and non-technical teams to design solutions, troubleshoot issues, and deliver robust integration services.

Skills & Experience Required
Must have Practical, demonstrable background working with InterSystems products, including:

  • IRIS
  • HealthShare
  • Ensemble
  • Caché/ObjectScript-based development

Solid understanding of common integration patterns, interoperability concepts, and best-practice approaches.
Strong technical capability with:

  • ObjectScript
  • SQL
  • REST and SOAP services
  • Data-exchange formats and messaging standards (HL7, FHIR, XML, JSON)
  • Experience working with interface engines or interoperability platforms.
  • Confident in diagnosing complex issues and delivering effective solutions.
  • Comfortable analysing requirements and translating them into technical integration designs.

If you have SC Clearance and you’re interested in this role, click ‘apply now’ to forward an up-to-date copy of your CV, or send a copy of your CV to

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 on our website.

Software Engineers - Java, Python, PingDS, PingIDM, HAProxy, Docker, Maven, PostgreSQL, Jenkins, AWS
Xpertise
Yorkshire
Hybrid
Mid - Senior
£575/day - £590/day
RECENTLY POSTED
+9

Software Engineers - Java, Python, PingDS, PingIDM, HAProxy, Docker, Maven, PostgreSQL, Jenkins, AWS, Azure, Kubenetes, Terraform

Xpertise have an urgent need for several Software Engineers (Java, Python, PingDS, PingIDM, HAProxy, Docker, Maven, PostgreSQL, Jenkins, AWS, Azure, Kubenetes, Terraform)

Candidates will have the following skills and experience:

  • Proven experience in Java development, with exposure to modern frameworks, libraries, and tooling.
  • Python coding experience
  • Proven experience across identity, access and applications including
    • PingDS, PingIDM, HAProxy
  • Docker, Artifactory, Maven
  • Proven experience with automated testing frameworks with Karate, Playwright, Gatling (Scala)
  • Proven experience with PostgreSQL and Microsoft SQL Server
  • Proven experience with CI/CD pipelines including Jenkins, GitHub Actions
  • Proven experience of containerised and cloud environments - AWS, Azure, Kubernetes
  • Proven experience with Terraform

Inside IR35 - hybrid - West Yorkshire

Candidates must be willing to go through SC Clearance/SC Cleared

Please send CVs (Software Engineer - Java, Python, PingDS, PingIDM, HAProxy, Docker, Maven, PostgreSQL, Jenkins, AWS, Azure, Kubenetes, Terraform)

SharePoint / Office 365 Consultant
GCS
London
Hybrid
Mid - Senior
£400/day - £415/day
RECENTLY POSTED

SharePoint/ Office 365 Consultant - Hybrid / Canary Wharf - 6 month Contract - Banking

TIER 1 BANK IN CANARY WHARF

Role - SharePoint/ Office 365 Consultant

Duration - 6 months with very likely extension

Location - Hybrid / Canary Wharf - 3 days per week in a Canary Wharf office

Rate - 415 per day (Inside IR35)

Tech Stack -

  • Sharepoint
  • Office 365
  • Power apps
  • Power Automate
  • HTML, Javascript, CSS

Tasks -

  • Working with the team and the wider development team to both grow and to help adopt Agile like methodologies with practical implementation alongside the daily operation support people for existing SharePoint/Office 365 applications.
  • Working with the wider Development and Architecture teams to develop and establish best practices of SharePoint/Office 365.
  • Contributing to and regularly leading the technical and design workshops within the team.
  • Critically and actively conducting code review procedures to ensure improvement in skills across the team.
  • Participating in exercises to both plan and estimate upcoming work volumes.
  • Contributing to the rollout of new tools and applications that will improve the development processes.
  • Enhancing performance, scalability and security issues across the design and implementation phases.
  • Following “Change Management Control procedures” to get approvals for any updates in the Production systems and providing “Maintenance reports” for non-Production environments.
  • Participating in both definition and configuration of SharePoint/Office 365 environments in the Disaster Recovery sites.
  • Encouraging and supporting the continuous improvement and upskilling of all members in the team, as well as the wider development department
  • Development of Office 365 tools including SharePoint Online (PowerApps, Power Automate and SPFX or ReactJS).
  • Analysing of business requirements and providing constructive feedback.
  • Creating documentation to detail deliverables by the relevant teams with enough depth for both technical and business viewpoints.
  • Providing scripts for database enquiry languages, i.e., T-SQL (SQL Server) and PL/SQL (Oracle) to provide both analysis and exporting data etc. based on business requirements.

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

Storage Senior DPS SME
Experis
Sheffield
Hybrid
Senior
Private salary
RECENTLY POSTED
+2

Role Title: Storage Senior DPS SME Duration: contract to run until 30/09/2026 Location: Sheffield/Birmingham/London, Hybrid 3 days per week onsite Rate: up to 552 p/d Umbrella inside IR35 Main skill required for this role is Commvault In this role, you will: Design, develop, test and support automation for the data protection services within the bank. Design, develop, test and support reporting and monitoring capabilities for the automation. Provide engineering support on the bank's data protection products and their standard usage. Undertake product evaluation, new features, and versions. Produce clear and comprehensive documentation for all automation produced. Mentor less experienced members of staff To be successful in this role, you should meet the following requirements: 10+ years development experience with multiple languages, including Python, Bash 5+ years' experience in configuration management and orchestration using Redhat Ansible 5+ years' experience in configuration management and orchestration using Puppet. 5+ years' experience in designing, developing, and testing Rest API services. 5+ years' experience in Devops SCM tooling, GitHub 5+ years' experience in Devops CI/CD tooling, Jenkins, CloudBees 5+ years' experience in Devops collaboration tools, Jira, Confluence Strong technical background in Veritas NetBackup and related infrastructure Strong technical background in Commvault and related infrastructure 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!

Moodle Developer
Hays Technology
Cardiff
Hybrid
Mid - Senior
£400,000/day - £450,400/day
RECENTLY POSTED
TECH-AGNOSTIC ROLE

JOB DETAILS

  • 400 PER DAY
  • OUTSIDE IR35
  • 1-2 PER WEEK IN CARDIFF OFFICE
  • 3-MONTH CONTRACT WITH POTENTIAL FOR EXTENSION
  • EDUCATIONAL ORGANISATION BASED IN WALES

SKILLS

  • Strong understanding of Moodle Mobile App.
  • Extensive Back-End development skills.
  • Knowledge of AI-powered Chatbot development.
    RESPONSIBILITIES- Improve Mobile App Improvements and Moodle Integration.
  • Taking a prominent role is Moodle Dashboard development.
  • Embedding AI Chatbot in Moodle.

What you need to do now
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DSP Software Engineer
Avanti Recruitment
Manchester
In office
Mid - Senior
£45/hour - £50/hour
RECENTLY POSTED

Contract : DSP Software Engineer
Location: Manchester (On-site)
Duration & Type: Contract / 6 Months
Pay: £45/50 per hour (Outside IR35)
Must have or be eligible for SC Clearance

About the Role

You will be developing and maintain high-quality C++ software for real-time signal processing systems running on Linux. The role involves designing and implementing DSP algorithms, debugging and deploying software, and ensuring strong performance and reliability. You ll write standards-compliant code, support CI/CD pipelines using Jenkins or Git, and collaborate with cross-functional teams in an Agile environment to deliver robust, maintainable software.

What We re Looking For

  • Design, implement, and maintain high-quality C++ software for real-time, distributed systems.
  • Develop, debug, and deploy software on Linux targets while ensuring performance, reliability, and maintainability.
  • Contribute to the design of distributed software architectures and runtime deployment strategies.
  • Implement clean, standards-compliant code aligned with MISRA, JSF , and static analysis requirements.
  • Support build, test, and release activities through CI/CD pipelines using Jenkins or Git runners.
  • Collaborate with cross-functional teams and contribute to model-driven engineering workflows.

Please submit your latest CV for submission

Frequently asked questions
Haystack features a wide range of contract Backend Engineer positions, including roles in startups, mid-sized companies, and large enterprises across various industries such as fintech, healthcare, and e-commerce.
To apply, simply create a profile on Haystack, upload your resume, and submit your application directly through the job listing. Some employers may require additional screening or coding tests.
Haystack offers both remote and on-site contract Backend Engineer positions. You can filter job listings based on location preferences to find opportunities that match your availability.
Commonly required skills include proficiency in backend programming languages like Java, Python, Ruby, or Node.js, experience with databases such as MySQL or MongoDB, and familiarity with cloud platforms like AWS or Azure.
Yes, many contract Backend Engineer jobs on Haystack allow for negotiation on contract length, hourly rate, and other terms. Communication with the employer or recruiter during the interview process will help clarify these details.