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224 software engineer jobs found

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Contract Spy
Nov 07, 2025
6 Months or more
Contract Software Engineer (Python, React, AWS) at Codurance, Leeds, £600-£650 per day
£600 - £650 per day
Contract Spy Leeds, UK
Codurance is an innovative consultancy that helps organisations embrace the power of technology to drive business success. We are currently seeking an experienced contract software engineer to join our dynamic team. As a Codurance software engineer, you will have the opportunity to work with the latest technologies and contribute to the success of our clients ' projects.   This is an initial 6 months contract, inside IR35.   Day rate: £600- £650 day *We'd like to let you know that you might be asked to join a support rota for one week out of every eight. This will come with extra compensation. Location: Must be UK based, mostly remote work Essential: Strong experience with Python backend services and proficient in React development Django framework experience (or other Python web frameworks) Solid understanding of relational databases and data modelling Hands-on experience with AWS services (SNS, SQS, EKS, S3) Kubernetes...
Contract Spy
Nov 07, 2025
6 Months or more
Contract Software Engineer (Python, React, AWS) at Codurance, Manchester, £600-£650 per day
£600 - £650 per day
Contract Spy Manchester, UK
Codurance is an innovative consultancy that helps organisations embrace the power of technology to drive business success. We are currently seeking an experienced contract software engineer to join our dynamic team. As a Codurance software engineer, you will have the opportunity to work with the latest technologies and contribute to the success of our clients ' projects.   This is an initial 6 months contract, inside IR35.   Day rate: £600- £650 day *We'd like to let you know that you might be asked to join a support rota for one week out of every eight. This will come with extra compensation. Location: Must be UK based, mostly remote work Essential: Strong experience with Python backend services and proficient in React development Django framework experience (or other Python web frameworks) Solid understanding of relational databases and data modelling Hands-on experience with AWS services (SNS, SQS, EKS, S3) Kubernetes...
Contract Spy
Nov 07, 2025
6 Months or more
Contract Software Engineer (Python, React, AWS) at Codurance, London, £600-£650 per day
£600 - £650 per day
Contract Spy London, UK
Codurance is an innovative consultancy that helps organisations embrace the power of technology to drive business success. We are currently seeking an experienced contract software engineer to join our dynamic team. As a Codurance software engineer, you will have the opportunity to work with the latest technologies and contribute to the success of our clients ' projects.   This is an initial 6 months contract, inside IR35.   Day rate: £600- £650 day *We'd like to let you know that you might be asked to join a support rota for one week out of every eight. This will come with extra compensation. Location: Must be UK based, mostly remote work Essential: Strong experience with Python backend services and proficient in React development Django framework experience (or other Python web frameworks) Solid understanding of relational databases and data modelling Hands-on experience with AWS services (SNS, SQS, EKS, S3) Kubernetes...
Contract Spy
Nov 07, 2025
Duration not stated
Software Engineer - Contractor (outside IR35) at Mpac, Tadcaster, £Contract Rate
Contract Spy Tadcaster LS24, UK
This role is on a contract basis to start Nov to Dec on an outside IR35 basis. Working on site at Tadcaster - commissioning. Purpose As a Software/controls Engineer, 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) Outputs/Deliverables 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...
Contract Spy
Nov 07, 2025
Duration not stated
Software engineer (JAVA , Python , Golang) at Test Yantra Software Solutions Private Limited, London, £350-£370 per day
£350 - £370 per day
Contract Spy London, UK
We are urgently looking for experienced candidates with strong hands-on Java development skills and design experience. While an architect title is not mandatory, we are particularly interested in profiles of senior developers with solid technical expertise. Required Core Skills: - Java - Python - GoLang -Design, develop, and maintain high-quality Java applications. -Write clean, efficient, and well-documented code. -Perform code reviews and optimize existing codebases. -Ensure application performance and reliability. -Develop and maintain automated tests to ensure code quality. -Work with CI/CD pipelines to streamline the development and deployment process. Job Types: Full-time, Freelance Pay: £350.00-£370.00 per day Schedule: Monday to Friday Experience: Java: 7 years (required) Python: 3 years (required) Go: 2 years (required)
Contract Spy
Nov 05, 2025
Duration not stated
Contract Senior Software Engineer (Python/AWS) at YLD, London, £Contract Rate
Contract Spy London, UK
Position: Contract Python Backend Engineer Employment Type: Contract (B2B via Ltd/LLC) Contract Length: until end of December (with potential for extension) Location: Remote (EU/UK-based, GMT timezone) Who We Are YLD is not your typical consultancy. We're a close-knit team of engineers, designers, and thinkers who believe software should leave a legacy—long after we've stepped away. With offices in London, Lisbon, and Porto , we work remotely and globally. Our mission? Empowering clients by helping them build capabilities, not just code. We pride ourselves on putting people first. That means you'll grow here—not just professionally, but personally. About the Project: Our client is a leading force in the media and entertainment industry. We're seeking a skilled Python backend engineer to contribute to take ownership of key initiatives for our client's streaming and media handling platforms. You'll be part of a remote-first team building scalable...
Contract Spy
Nov 05, 2025
Duration not stated
Senior Software Engineer - OTEL experience require - Contract IR35 at Mindera, Leicester, £Contract Rate
Contract Spy Leicester, UK
Mindera is looking for a Java Engineer with hands-on experience in OpenTelemetry (OTEL) to join our backend engineering team. You’ll play a key role in designing, building, and instrumenting high-performance Java services. Requirements Design, develop, and maintain scalable Java-based microservices and backend systems. Implement observability best practices using OpenTelemetry (OTEL) for tracing, metrics, and logging. Collaborate with platform and DevOps teams to integrate telemetry data with systems such as Grafana, Prometheus, Jaeger, or Tempo . Define and maintain instrumentation standards across Java applications to ensure consistency and performance visibility. Diagnose complex production issues through telemetry data and performance profiling. Contribute to architectural discussions on service design, distributed systems, and monitoring strategy. Write clean, efficient, and testable code following best practices in CI/CD and automated testing....
Contract Spy
Nov 05, 2025
Duration not stated
Freelance Senior Software Engineer with Strong Data skills at Red Badger, Hybrid/London, £Contract Rate
Contract Spy Hybrid (London, UK)
We have an Urgent opening for a talented Senior Software Engineer with a strong background in Data to join us on an exciting and large scale project with a leading Financial Services business.   This is a Hybrid role with 2 days onsite at our offices old Old Street - this is not negotiable   Our ideal candidate will have a strong background with various Data Systems and be confident being the main point of contact on the project for all things Data. We need someone who has a very Agile mindset and can simplify Data systems in a succinct way whilst maintaining functionality. You will also need to have experience with the Data Rules Engine as a minimum. If you have experience of working within Onboarding systems that would be an added bonus. Please note that you will need to have hands on software engineering skills to be considered for this role. ASAP Start Experience of Complex Data Models Agile Mindset Business Rule Engine experience...
Contract Spy
Nov 04, 2025
Duration not stated
Java Software Engineer (Contract Outside of IR35) at TwinStream, Bristol, £Contract Rate
Contract Spy Bristol, UK
Who are we: In 2019, our founders were working as engineers solving complex cross domain problems within government organisations TwinStream was formed to consolidate their collective expertise and experience into one business, providing technical excellence and exceptional service to their clients. We have teams working both on-site with clients and remotely from home. Salary: £450 - £550 Outside of IR35 Location: Remote About the role: TwinStream software engineers (Java) develop components of a cross-domain security system within an agile development team. They are involved in the entire software development lifecycle, which includes understanding the need for change, software design, coding, testing, delivery, and support. A TwinStream software engineer is not just a coder; they comprehend the business and domain challenges and utilize their technical skills to address those issues. Responsibilities: Understand high-level requirements...
Contract Spy
Nov 03, 2025
Duration not stated
Senior Software Engineer - WMS (Blue Yonder/Java) - Contract - Outside IR35 at Mindera, Leicester, £Contract Rate
Contract Spy Leicester, UK
Mindera are looking for an experienced Senior Software Engineer focusing on our clients Warehouse Management System (WMS) — a critical platform built around Blue Yonder WMS and Java-based services. Requirements Work on the core system that underpins distribution and stock management across the warehouse network. Enhance and operate a complex Blue Yonder WMS platform, ensuring performance, scalability, and reliability. Develop and maintain Java-based integrations and services supporting the WMS ecosystem. Apply strong knowledge of Oracle databases, including optimisation, performance tuning, and data integrity within transactional systems. Drive continuous improvement through automation, monitoring, and performance optimisation. Collaborate closely with supply chain operations, product, and engineering teams. Contribute to stability and resilience in a high-availability, operationally critical environment. Bring deep technical experience in Java (ideally...
Contract Spy
Oct 31, 2025
Hourly/Freelance
Senior Software Engineer at Stellar AI, UK, £Hourly Rate
Contract Spy United Kingdom
Location Remote - open to candidates in North America, Europe, the UK, South America, Australia, and New Zealand.     About the Role Stellar AI is seeking experienced Software Engineers to contribute to projects across a wide range of technologies and programming languages, including JavaScript, Python, Go, C++, Ruby, and more.   This is an open-ended contract opportunity, structured around project-based work with no set schedules or minimum time / task commitments. Contributors who work with us decide which available projects they’d like to work on, when they work, and how much they contribute, which makes it an excellent option for those seeking flexible and high-impact work.   In this role, you will help advance AI research by understanding complex systems, exploring large codebases, and developing approaches to verify the correctness of software behavior.     Compensation $70 per hour after...
Contract Spy
Oct 31, 2025
Duration not stated
Software Engineer (JAVA, Python, Golang) at Test Yantra Software Solutions Private Limited, London, £350-£370 per day
£350 - £370 per day
Contract Spy London, UK
We are urgently looking for experienced candidates with strong hands-on Java development skills and design experience. While an architect title is not mandatory, we are particularly interested in profiles of senior developers with solid technical expertise. Required Core Skills: - Java - Python - GoLang -Design, develop, and maintain high-quality Java applications. -Write clean, efficient, and well-documented code. -Perform code reviews and optimize existing codebases. -Ensure application performance and reliability. -Develop and maintain automated tests to ensure code quality. -Work with CI/CD pipelines to streamline the development and deployment process. Job Types: Full-time, Freelance Pay: £350.00-£370.00 per day Schedule: Monday to Friday Experience: Java: 7 years (required) Python: 3 years (required) Go: 2 years (required)
Contract Spy
Oct 31, 2025
Duration not stated
Software Engineer at Mpac, Tadcaster, £Contract Rate (Outside IR35)
Contract Spy Tadcaster LS24, UK
This role is on a contract basis to start Nov to Dec on an outside IR35 basis. Working on site at Tadcaster - commissioning.   Purpose As a Software/controls Engineer, 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)   Outputs/Deliverables 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...
Contract Spy
Oct 29, 2025
Duration not stated
Senior Software Engineer - OTEL Experience at Mindera, Leicester, £Competitive Day Rate
Contract Spy Leicester, UK
Mindera is looking for a Java Engineer with hands-on experience in OpenTelemetry (OTEL) to join our backend engineering team. You’ll play a key role in designing, building, and instrumenting high-performance Java services. Requirements Design, develop, and maintain scalable Java-based microservices and backend systems. Implement observability best practices using OpenTelemetry (OTEL) for tracing, metrics, and logging. Collaborate with platform and DevOps teams to integrate telemetry data with systems such as Grafana, Prometheus, Jaeger, or Tempo . Define and maintain instrumentation standards across Java applications to ensure consistency and performance visibility. Diagnose complex production issues through telemetry data and performance profiling. Contribute to architectural discussions on service design, distributed systems, and monitoring strategy. Write clean, efficient, and testable code following best practices in CI/CD and...
Contract Spy
Oct 29, 2025
Duration not stated
Software Engineer (React Native) at YLD, Remote, £Contract Rate
Contract Spy Remote (United Kingdom)
Location: EU Remote Department: Engineering Hours: Full-time About YLD: Everything we do is to empower our clients to move forward. Our purpose is to help our clients develop the capabilities they need to outperform their competitors. Our success is a consequence of ensuring our clients are successful. Our company is built on extraordinary people; we aim to attract, inspire, develop and retain them. YLD is a software engineering and design consultancy; we create digital capabilities for our clients that last beyond our engagement. We have offices in London, Lisbon, Porto. About the role: As a Senior Software Engineer, you’ll be part of a client team building innovative products. We expect you to be curious, passionate, driven, and enthusiastic. You’ll be proficient at problem-solving, and crafting scalable, resilient, and fault-tolerant architectures. You’ll be an effective communicator and a team player. You and your team will move in a...
Contract Spy
Oct 28, 2025
Duration not stated
Java Software Engineer at TwinStream, Remote, £450-£550 per day (Outside IR35)
Contract Spy Remote (Bristol, UK)
Who are we: In 2019, our founders were working as engineers solving complex cross domain problems within government organisations TwinStream was formed to consolidate their collective expertise and experience into one business, providing technical excellence and exceptional service to their clients. We have teams working both on-site with clients and remotely from home.   Salary: £450 - £550 Outside of IR35 Location: Remote   About the role: TwinStream software engineers (Java) develop components of a cross-domain security system within an agile development team. They are involved in the entire software development lifecycle, which includes understanding the need for change, software design, coding, testing, delivery, and support. A TwinStream software engineer is not just a coder; they comprehend the business and domain challenges and utilize their technical skills to address those issues.  ...
Contract Spy
Oct 27, 2025
Duration not stated
Senior Software Engineer - WMS (Blue Yonder/Java) at Mindera, Leicester, £Competitive Day Rate (Outside IR35)
Contract Spy Leicester, UK
Mindera are looking for an experienced Senior Software Engineer focusing on our clients Warehouse Management System (WMS) — a critical platform built around Blue Yonder WMS and Java-based services. Requirements Work on the core system that underpins distribution and stock management across the warehouse network. Enhance and operate a complex Blue Yonder WMS platform, ensuring performance, scalability, and reliability. Develop and maintain Java-based integrations and services supporting the WMS ecosystem. Apply strong knowledge of Oracle databases, including optimisation, performance tuning, and data integrity within transactional systems. Drive continuous improvement through automation, monitoring, and performance optimisation. Collaborate closely with supply chain operations, product, and engineering teams. Contribute to stability and resilience in a high-availability, operationally critical environment. Bring deep technical experience in...
Contract Spy
Oct 24, 2025
Duration not stated
Software Engineer at Mpac, Tadcaster, £Contract Rate (Outside IR35)
Contract Spy Tadcaster LS24, UK
This role is on a contract basis to start Nov to Dec on an outside IR35 basis. Working on site at Tadcaster - commissioning.   Purpose As a Software/controls Engineer, 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)   Outputs/Deliverables 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...
Contract Spy
Oct 24, 2025
Duration not stated
Software Engineer (JAVA, Python, Golang) at Test Yantra Software Solutions Private Limited, London, £350-£370 per day
£350 - £370 per day
Contract Spy London, UK
We are urgently looking for experienced candidates with strong hands-on Java development skills and design experience. While an architect title is not mandatory, we are particularly interested in profiles of senior developers with solid technical expertise. Required Core Skills: - Java - Python - GoLang -Design, develop, and maintain high-quality Java applications. -Write clean, efficient, and well-documented code. -Perform code reviews and optimize existing codebases. -Ensure application performance and reliability. -Develop and maintain automated tests to ensure code quality. -Work with CI/CD pipelines to streamline the development and deployment process. Job Types: Full-time, Freelance Pay: £350.00-£370.00 per day Schedule: Monday to Friday Experience: Java: 7 years (required) Python: 3 years (required) Go: 2 years (required)
Contract Spy
Oct 24, 2025
Duration not stated
Full Stack Software Engineer at Rightcheck, Coventry/Remote, 6 Months, £30-£40 per hour
Contract Spy Hybrid (Puma Way, Coventry CV1 2TT, UK)
About Rightcheck In a short space of time, Rightcheck has become the UK's leading app-based solution for recruitment compliance. The company has established an enviable list of clients across all sectors and is routinely used by thousands of recruiters to conduct Right to Work checks. We are based on the Coventry University Technology Park, 5 minutes from Coventry rail station, with free on-site car parking. Job Overview We are seeking a talented and versatile Full Stack Software Engineer to join our growing development team. This role involves building and maintaining our entire technology stack, from frontend web applications to backend microservices and integrate with third-party APIs and services. The ideal candidate will be passionate about modern technologies and capable of delivering high-quality solutions across multiple platforms within our fast-paced 4-week release cycles. Key Responsibilities Develop and maintain responsive web applications...
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