london (city of london), south east england, united kingdom
Lorien
Senior BackendDeveloper - JavaScript/TypeScript London - Onsite 3 days a week 9 month contract Outside of IR35 My client, a leading Insurance Company is looking for a well experienced BackendDeveloper with extensive JavaScript and TypeScript The ideal candidate will have expertise in serverless cloud … software development using TypeScript and Azure Cloud Functions , with strong DevOps knowledge and automation skills. This role is critical to maintaining and enhancing our backend platform, ensuring scalability, reliability, and best practices in development and deployment. If you are available and interested, please apply today More ❯
Job Description Senior BackendDeveloper with C# .net Framework Working as part of the Digital team, you'll be responsible for the ongoing development and improvements to an eCommerce website as well as other internal applications for this award-winning Travel Company. You will be responsible for: Leading … the eCommerce web and application development from a technical perspective Collaborating with the front end developer and design resource to deliver improved UI & UX A problem solver - you'll need to be able to analyse and suggest improvements to existing website features Analysing and identifying ways to automate processes … and familiar with JIRA and confluence Not afraid to challenge existing thinking in order to improve processes The Client will consider candidates with solid Backend development skills without Umbraco. The salary for this role will be in the range £50K to £80K per year depending on experience. The Client More ❯
An established financial services company seeking a Java BackendDeveloper to join their onsite team in Bournemouth. This role offers the chance to work on critical backend systems supporting key financial products and services. What You’ll Do Develop and maintain backend services using Java 11+ … We’re Looking For Strong skills in Java 11+, JDK 17 (certified preferred), Spring Framework, and REST APIs. Experience with Oracle & PL/SQL backend development. Understanding of Java EE, EJBs, JPA, and JAX-RS web services. Familiarity with automation testing (Selenium/Cucumber) and Agile methodologies. Minimum More ❯
Are you a Back End Java Developer with experience within the iGaming and Gambling sector looking for a new and exciting challenge? BENEFITS : up to £95k depending on experience, fully remote, excellent benefits package. You will be joining a rapidly expanding company within the iGaming sector, who are committed … within our market, blending sports betting and online casino entertainment on a cutting-edge, custom-built platform. You will be a skilled Senior Java BackendDeveloper who is a self-motivated professional with a strong track record and a passion for excellence. You'll play a key role … high-quality applications and services, reinforcing the company's position as an industry leader. Core Responsibilities Work closely with the team to implement complex backend logic and platform solutions. Write clean, scalable, and maintainable code, adhering to industry best practices. Stay updated on the latest Java frameworks, libraries, and More ❯
Cambridge, Cambridgeshire, United Kingdom Hybrid / WFH Options
MediSolution
April 30, 2025 (30+ days left to apply) job requisition id R i2 Group, a Harris Computer company, is currently recruiting for a Junior BackendDeveloper, skilled in Java. This is a full-time, permanent, remote-working opportunity with a requirement to visit the i2 Office in Cambridge … UK as needed (approximately 2 days per month). We are seeking a motivated and talented Junior Java Developer with a strong foundation in Java and Java enterprise libraries to join one of our core development teams and help enhance our i2 products and services, used by over … major commercial organizations in 130 countries worldwide. The ideal candidate will work closely with our Senior Developers to develop and maintain robust and scalable backend systems. If you are passionate about backend development, thrive in a fast-paced environment, and are eager to learn and grow within a More ❯
Backend Software Engineer Bristol £50 - 70,000 (doe) Are you a talented and motivated Backend Software Engineer looking for an exciting opportunity to work on mission-critical financial systems? As a Backend Software Engineer, you will play a crucial role in building and maintaining the software systems … compliance and trade reconciliation processes. This role is ideal for someone who enjoys working on core operational infrastructure. Experience required: Proficiency in Python for backend development and data processing. Strong understanding of SQL, relational databases, and query optimization. Experience working with cloud platforms (AWS). Familiarity with Git and … challenging and rewarding opportunity to utilize your skills in a dynamic and innovative environment, then we invite you to apply for the position of Backend Software Engineer. Join our team and make a significant impact in the world of financial operations More ❯
Job Title: Golang BackendDeveloper Location: Osterley, UK Job Type: Full time contract, 12 months Summary: • We are seeking a highly skilled and experienced Back-End Developer with advanced expertise in Go (Golang), data analytics, and cloud-based backend services. This individual will play a key … APIs, processing data pipelines, and supporting front-end web applications with real-time analytics and insights. Technical Expertise: • Independently develop and maintain high-performance backend services using Go (Golang). • Design and implement RESTful APIs and GraphQL endpoints to support front-end applications. • Process and optimize large-scale data … and reporting. • Write clean, maintainable, and efficient code that adheres to best practices and coding standards. • Utilize AWS cloud services for scalable and secure backend application deployment. • Ensure robust data storage and management using PostgreSQL and other database solutions. • Implement authentication, authorization, and security best practices in backendMore ❯
london (hounslow), south east england, united kingdom
eTeam
Job Title: Golang BackendDeveloper Location: Osterley, UK Job Type: Full time contract, 12 months Summary: • We are seeking a highly skilled and experienced Back-End Developer with advanced expertise in Go (Golang), data analytics, and cloud-based backend services. This individual will play a key … APIs, processing data pipelines, and supporting front-end web applications with real-time analytics and insights. Technical Expertise: • Independently develop and maintain high-performance backend services using Go (Golang). • Design and implement RESTful APIs and GraphQL endpoints to support front-end applications. • Process and optimize large-scale data … and reporting. • Write clean, maintainable, and efficient code that adheres to best practices and coding standards. • Utilize AWS cloud services for scalable and secure backend application deployment. • Ensure robust data storage and management using PostgreSQL and other database solutions. • Implement authentication, authorization, and security best practices in backendMore ❯
Job Description BackendDeveloper (Umbraco) - Senior-level Working as part of the Digital team, you'll be responsible for the ongoing development and improvements to an eCommerce website as well as other internal applications for this award-winning Travel Company. You will be responsible for: Leading the eCommerce … web and application development from a technical perspective Collaborating with the front end developer and design resource to deliver improved UI & UX A problem solver - you'll need to be able to analyse and suggest improvements to existing website features Analysing and identifying ways to automate processes working alongside More ❯
The Role: We're looking for an experienced mobile and backend Software Developer with strong programming, analytical & problem-solving skills, as well as an understanding of the methodologies that drive scalable, secure software development. Key Responsibilities: Participating in all phases of software development - including design, implementation, testing, code More ❯
Backend Mobile App Developer (Python) London or Remote 6 Month Contract £450 - £550pd + Outside IR35 + ASAP Start This is an excellent opportunity for a Junior to Mid-level Front End Developer to join a rapidly growing start-up offering great progression and the chance to … product. Within this position you will collaborate with cross-divisional teams and stakeholders. The ideal candidate will have at least 3+ years' experience in Backend mobile app development, utilising Python (Golang or Django). Equally, any exposure to Frontend development (Flutter) and experience working in AWS is desirable. This … is a fantastic opportunity for a Backend Mobile App Developer to join a rapidly expanding start-up at an important time where you will have the opportunity to work in a fast-paced environment, playing a crucial role in Mobile App development for 6 months. The Role: BackendMore ❯
Employment Type: Contract
Rate: £450 - £550 per day + Outside IR35 + ASAP Start
Manchester, Lancashire, United Kingdom Hybrid / WFH Options
The MRJ Group
.NET Developer Build. Innovate. Elevate. Some developers write code. Others shape platforms that power the future. If you're the kind who thrives on building scalable, high-performance systems and enjoys solving complex problems, this role is for you. You'll be joining an agile team that's driving More ❯
South West London, London, United Kingdom Hybrid / WFH Options
Lynx Recruitment Limited
Node Developer Remote Working Lynx are currently working with a large IT consultancy to help them source a Node Developer. Our client is large global Consultancy who work with enterprise clients, solving their business and technology problems using cutting edge Solutions. Responsibilities : Design, implement, and manage backend applications More ❯
My client is seeking a passionate Senior BackendDeveloper who can balance technical excellence with practical execution, ensuring my clients product continues to grow and meet today’s challenges. In return you will get to join an incredible team working with cutting edge technology on a really interesting … clients flagship product suite A generous package to reward you for your expertise and contribution Your Responsibilities: Design, build, and maintain scalable and secure backend systems using Node.js and TypeScript. Collaborate closely with a cross-functional team, driving alignment to achieve shared goals. Lead by example, providing guidance and … CD Cloud Services: AWS (ECS, EC2, Kinesis, Firehose, RDS, Lambda, S3, DynamoDB, SQS, SNS) Databases: PostgreSQL, MySQL Experience required: Significant commercial experience as a backend developer. Strong problem-solving abilities and critical thinking skills. Ability to take ownership of projects from design to deployment. Active participation in Agile events More ❯
Crawley, England, United Kingdom Hybrid / WFH Options
James Chase
Are you an experienced Java Back-End Developer looking for a new role? Do you want to be part of a forward-thinking team? If so, we have the perfect opportunity for you! Our client, an award-winning analytics company who optimise businesses productivity and performance, are looking for … a Senior BackendDeveloper to join their team on a full-time basis in West Sussex. What You'll Do: • Develop server-side applications & APIs using Java, Spring Boot. • Optimise performance, security, and scalability. • Implement secure and efficient data storage solutions. • Work closely with front-end, product, and More ❯
Uxbridge, Middlesex, United Kingdom Hybrid / WFH Options
CCD Studios
an award-winning digital agency, based in the suburbs of West London. Due to our continued growth and success, we're recruiting for a backend Junior PHP Developer to work on our (Sitepad Software) to join us, either remotely or in our spacious canal-side studio. Sitepad CRM … the chance to work with our development team, working collaboratively on digital solutions and bespoke software solutions. Qualifications: Industry experience as a Junior PHP developer PHP 8 (has at least worked with PHP 7) MySQL HTML/CSS (good knowledge of Sass would be a plus) Can write high … control, preferably git Excellent problem-solving skills. Strong communication and collaboration skills. Ability to work independently and meet deadlines. Responsibilities: Develop and maintain the backend of our web applications using PHP. Integrate external APIs to enhance the functionality of our applications. Collaborate with the frontend development team to ensure More ❯
Join a dynamic energy provider dedicated to sustainable solutions in the UK. We seek enthusiastic and resourceful Backend Python Engineers at mid to senior levels who are passionate about crafting exceptional products. Initially it will be a five-month contract but there is potential for it to be extended. … a full-time role, 40 hours per week. If this role feels right, send us your CV. Accountabilities: Playing a pivotal role in the backend engineering team, you will help to build full-stack cloud apps. You'll be using Python and AWS Cloud services on the backend. Adopt … a Server-less first approach to application design, collaborating within an agile team alongside other backend engineers and product designers. Strategize, develop, test, and deploy new features and experiments. Engage in collaborative coding practices such as pair programming and code reviews within the team. Contribute to resolving the complexities More ❯
City of London, London, United Kingdom Hybrid / WFH Options
Rullion Limited
Join a dynamic energy provider dedicated to sustainable solutions in the UK. We seek enthusiastic and resourceful Backend Python Engineers at mid to senior levels who are passionate about crafting exceptional products. Initially it will be a five-month contract but there is potential for it to be extended. … a full-time role, 40 hours per week. If this role feels right, send us your CV. Accountabilities: * Playing a pivotal role in the backend engineering team, you will help to build full-stack cloud apps. * You'll be using Python and AWS Cloud services on the backend. * Adopt … a Server-less first approach to application design, collaborating within an agile team alongside other backend engineers and product designers. * Strategize, develop, test, and deploy new features and experiments. * Engage in collaborative coding practices such as pair programming and code reviews within the team. * Contribute to resolving the complexities More ❯
Backend Mobile App Developer London - 4 Days on-site £50,000 - £85,000 DOE + Equity + Private Healthcare + Unlimited Annual Leave This is an excellent opportunity for a Mid-level Backend Mobile App Developer to join a rapidly growing start-up offering great progression … product. Within this position you will collaborate with cross-divisional teams and stakeholders The ideal candidate will have at least 1 years' experience in Backend development with Python (Django Framework) and have a 1st class degree in a relative subject. Equally, any exposure to Frontend development would be beneficial … for future progression but is not essential. This is a fantastic opportunity for a Junior to Mid-Level Front End Developer to join a rapidly expanding start-up at an important time where you will have great progression opportunities. The Role: Back End Mobile App Development Improving and maintaining More ❯
N7, Lower Holloway, Greater London, United Kingdom
Vertech Group (UK) Ltd
JavaScript Developer Location: London (onsite before moving to a hybrid model) Salary: Circa 60K – 66K + Benefits JavaScript Developer required by fast-growing, revolutionary tech company! This is a varied, challenging role where you’ll be responsible for designing and developing scalable backend systems to support high … traffic services Essential: At least 5yrs backend development using Node.js RESTful API development Experience with Machine Learning (e.g. TensorFlow, PyTorch or similar) Knowledge of AWS, Docker & Kubernetes for scalable deployments Passion for building high-performance systems Tremendous opportunity offering plenty of scope for career progression in a friendly, innovative More ❯
Stoke-On-Trent, England, United Kingdom Hybrid / WFH Options
bet365
Who we are looking for A Software Developer, who will work in a small team of talented developers following agile practices to develop high quality, scalable solutions on Linux and Cloud platforms. You will be joining our Sports placement and cashout team, working on our flagship Sports systems, enhancing … latency, highly available and scalable solutions. Working in an environment with high volumes of transactions. Exposure to mentoring or leadership. Development of automation and developer tooling, continuous build and CI systems. Experience working with Scrum or other agile software development methodologies. Main Responsibilities Identifying technical areas of improvement. Supporting More ❯
Manchester, Lancashire, United Kingdom Hybrid / WFH Options
The MRJ Group
from legacy constraints and unlocking new possibilities. Now, they're on a mission to push technology further, scale globally and need a Senior .NET Developer to make it happen. Join a team where your code isn't just a line in a repository-it's part of a mission More ❯
Senior Backend Engineer London-based tech company helping clients engage in marketing strategies with audiences in virtual worlds. Your Focus: As a Senior Backend Engineer focused on Data Pipelines and API Optimisation, you’ll be central to our platform's performance and scalability. You’ll design, build, and … on the systems that handle data ingestion, transformation, and delivery - ensuring they are scalable, reliable, and performant. You should have a strong background in backend engineering, particularly around distributed systems, database optimisation, and API development. You’ll work with technologies like JavaScript and TypeScript to build robust services that … meet high standards for performance and reliability. This role is ideal for someone experienced, self-driven, and excited about leading backend projects involving large-scale data handling and API improvements. Your technical leadership will help evolve our infrastructure and mentor other engineers as we scale. Skills, Knowledge, and Expertise More ❯
Senior Backend Engineer London-based tech company helping clients engage in marketing strategies with audiences in virtual worlds. Your Focus: As a Senior Backend Engineer focused on Data Pipelines and API Optimisation, you’ll be central to our platform's performance and scalability. You’ll design, build, and … on the systems that handle data ingestion, transformation, and delivery - ensuring they are scalable, reliable, and performant. You should have a strong background in backend engineering, particularly around distributed systems, database optimisation, and API development. You’ll work with technologies like JavaScript and TypeScript to build robust services that … meet high standards for performance and reliability. This role is ideal for someone experienced, self-driven, and excited about leading backend projects involving large-scale data handling and API improvements. Your technical leadership will help evolve our infrastructure and mentor other engineers as we scale. Skills, Knowledge, and Expertise More ❯
on development experience while supporting field operations. You will work closely with fitters during deployments (often during evenings or weekends) and gradually grow into backend development using AWS services. Key Responsibilities Support on-site teams during installations Update systems based on field input Edit geofences and assist with backendMore ❯