Remote Contract API Development Job Vacancies

12 of 12 Remote Contract API Development Jobs

Contract Developer - Node.js, REST API, SIP, VOIP

Bracknell, Berkshire, United Kingdom
Hybrid / WFH Options
Reed Technology
Contract Developer - Node.js development, REST API design, and SIP-based communications Duration: 3 months (Outside IR35) Location: Bracknell/Hybrid Contract Developer with deep expertise in Node.js development, REST API design, and SIP-based communications. This role is crucial for supporting the migration of legacy device management, call control, and configuration workflows to a secure, scalable … Cloud Migration & Refactoring: Analyse existing applications to identify dependencies on on-prem infrastructure and design cloud-native solutions. Refactor services to enhance scalability and reliability in the cloud. Service & API Development: Develop and maintain secure REST APIs for functionalities such as SIP authentication, call control, and real-time data interactions. Real-Time Communication Integration: Implement and maintain robust … Compliance: Oversee the migration of sensitive data to secure cloud storage solutions, ensuring compliance with GDPR and other regulatory standards. Required Skills & Qualifications: Experience: Minimum 3 years of backend development experience using Node.js/Express. Proven track record in building and deploying REST APIs. Experience with SIP/TLS integration and managing real-time communications. Familiarity with cloud services More ❯
Employment Type: Contract
Rate: GBP 500 - 550 Daily
Posted:

Contract Developer - Node.js, REST API, SIP, VOIP

Bracknell, Berkshire, United Kingdom
Hybrid / WFH Options
Reed Technology
Contract Developer - Node.js development, REST API design, and SIP-based communications Duration: 3 months (Outside IR35) Location: Bracknell/Hybrid Contract Developer with deep expertise in Node.js development, REST API design, and SIP-based communications. This role is crucial for supporting the migration of legacy device management, call control, and configuration workflows to a secure, scalable … Cloud Migration & Refactoring: Analyse existing applications to identify dependencies on on-prem infrastructure and design cloud-native solutions. Refactor services to enhance scalability and reliability in the cloud. Service & API Development: Develop and maintain secure REST APIs for functionalities such as SIP authentication, call control, and real-time data interactions. Real-Time Communication Integration: Implement and maintain robust … Compliance: Oversee the migration of sensitive data to secure cloud storage solutions, ensuring compliance with GDPR and other regulatory standards. Required Skills & Qualifications: Experience: Minimum 3 years of backend development experience using Node.js/Express. Proven track record in building and deploying REST APIs. Experience with SIP/TLS integration and managing real-time communications. Familiarity with cloud services More ❯
Employment Type: Contract, Temporary
Salary: £500 - £550/day
Posted:

API Developer - SC Cleared

London, United Kingdom
Hybrid / WFH Options
CBSbutler Holdings Limited trading as CBSbutler
API Develoiper - SC Cleared + 6 month initial contract + Fully remote + £650 to £690 per day + Inside IR35 Key Skills: + Strong background in API Development - ideally Axway + SC Clearance + WebMethods Responsibilities Designing, developing and deploying of Axway policies and containers using Axway Policy Studio v7.7 Working with DevOps toolset for develop … and maintain Automated Testing and Code Deployment Provide Assistance to Axway support team to resolve technical issues Administrating the Axway Environment, using Axway Policy Studio, Axway API Manager, Cassandra and API Gateway for Deployment of Axway Patches, monitor capacity, providing service improvements Liaise with customers to define project requirements, document and design solutions Knowledge of: SFTP HTTPS SSL More ❯
Employment Type: Contract
Rate: £650 - £690/day
Posted:

Lead Developer

London, United Kingdom
Hybrid / WFH Options
Experis
cloud platform (AWS) and on VMs hosted a managed on-prem hosting environment. The application is extant and Live. You are to be the senior developer leading the ongoing development and support of the application, including designing, developing, integrating and unit testing new features in response to Product Owner/Client priorities and fixing bugs/issues raised on … the Live application. You will have experience working with/developing microservices, containerised applications, TypeScript, React(TypeScript), GraphQL/Hasura, API development and integration, PostgreSQL, JavaScript, GoLang, and Python. You will be comfortable using the supporting tools for Agile product delivery such as JIRA (User Story/Defect/Task Management), Confluence (Documentation/Comms), and Slack (collaboration …/comms). Key Responsibilities Lead development of microservices and front-end components using Node.js (TypeScript) and React (TypeScript). Configure and extend Hasura GraphQL Engine, including permissions, computed fields, and API integrations. Design and implement PostgreSQL schemas, migrations, and triggers; ensure data integrity and performance. Integrate with Identity and Access Management (IdAM) systems. Ensure secure coding practices More ❯
Employment Type: Contract
Rate: £600 - £750/day
Posted:

Rust Developer REMOTE Role

United Kingdom
Hybrid / WFH Options
Endeavour Recruitment
CD). Skillset/Experience Required: Strong experience building production-grade applications in Rust. Proficiency with Rust async ecosystem (Tokio, async/await). Hands-on experience with REST API development and integration. Practical knowledge of PostgreSQL + SQLx. Experience with Kafka or equivalent messaging systems. Familiarity with HTMX and SSR (Askama, Tera, or similar). Experience with … design. Solid understanding of authentication/authorization standards (OAuth2, JWT). Applied knowledge of web security best practices (OWASP, TLS, CSRF, XSS, SQLi). Git-based workflows and collaborative development practices. Strong problem-solving and communication skills. Preferred Qualifications (Nice-to-Have): Experience with Dioxus for cross-platform Rust UI development. Knowledge of containerization (Docker) and orchestration (Kubernetes). More ❯
Employment Type: Contract
Rate: EUR 400 - 500 Daily
Posted:

Senior Software Engineer

Edinburgh, Midlothian, Scotland, United Kingdom
Hybrid / WFH Options
VANLOQ LIMITED
to join their team on a 6-month initial contract. This role offers the opportunity to work on high-impact systems within a secure, high-availability environment, supporting the development of services hosted on Public Cloud platforms. Youll bring strong software engineering expertise, coupled with DevOps proficiency across AWS and GCP, to design and implement resilient frontend clients, backend … services, infrastructure automation, and cloud-native solutions. Key Responsibilities Design, develop and maintain secure, performant backend REST API services and frontend clients using Python, GoLang, Docker, and Cloud-Native services. Manage and implement database schema changes using Liquibase, ensuring compliance with audit and regulatory standards. Build and maintain CI/CD pipelines in collaboration with DevOps and Security teams. … Essential Technical Expertise Public Cloud services (AWS/GCP). Infrastructure build/configuration: Compute, Storage, Networking. Linux administration. Relational and NoSQL databases. Integration services (messaging, streams). RESTful API development. Containerisation, Kubernetes, serverless functions. Microservices & distributed tracing. Logging/monitoring frameworks (ELK, Splunk, Prometheus, Grafana). Automation with Terraform, Ansible or similar. Programming in Python, Java, GoLang. Desirable More ❯
Employment Type: Contract
Posted:

R&D Engineer - Remote

United Kingdom
Hybrid / WFH Options
MailerLite
all other internal teams WHAT YOU WILL WORK ON Rapid prototypes: Build, ship, learn, test, and iterate fast AI & Automation: Explore and integrate AI tools (OpenAI, Claude, Gemini) MCP & API development: Maintain and develop our MCPs and extend MailerLites capabilities Tech research: Stay ahead of industry trends, experiment with new tools and bring forward innovative solutions Direct impact … You will work closely with the CTO on R&D priorities and shape the next-gen of the MailerLite platform WHAT WE EXPECT FROM YOU Strong development background: Proficient in at least one major programming language. We use PHP & Laravel, but for this position we expect someone stronger at Typescript, Python or Go. Language is not important as long … We know that these tools havent been on the market for long, but we are looking for someone with practical experience using APIs like OpenAI/Anthropic/Gemini API & System knowledge: REST APIs, webhooks, distributed systems design Fast iteration mindset: Ability to go from idea to prototype to validation quickly Curiosity and autonomy: You have a love of More ❯
Employment Type: Contract
Rate: £60,000
Posted:

Axway API Developer

City of London, London, United Kingdom
Hybrid / WFH Options
Randstad Digital
Axway API Developer (SC Cleared) ?? 6 months contract Inside IR35 ?? £500 to £650 a day ??Remote Working (UK based) *Active SC Clearance is needed* A top-tier defense organization is looking for an experienced Axway API Developer/Administrator to join their team on a 6-month contract. You will contribute to a large government gateway project, and … liaising with stakeholders to define requirements and design comprehensive solutions. To be successful in this role, you should have a solid foundation in: Axway's core products: Policy Studio, API Gateway, and API Manager. Key communication protocols: SFTP, HTTPS, SSL/TLS, and oAuth. Data and messaging formats: JSON, XML, SOAP, and REST. Linux scripting and environments. Using … and deployments. 6 months contract Inside IR35 - Remote Working - ?? £500 to £650 a day *Active SC Clearance is needed* If you are an experienced professional with a background in API, MFT, or secure file transfers, this could be the perfect opportunity for you. If the above sounds of interest to you then please apply directly to the AD or More ❯
Employment Type: Contract, Work From Home
Rate: £500 - £650 per day
Posted:

Axway API Developer

London, United Kingdom
Hybrid / WFH Options
CBSbutler Holdings Limited trading as CBSbutler
Axway API Developer +6 months + +£650 - £700 a day +Inside IR35 +Fully remote working +SC cleared role Responsibilities Designing, developing and deploying of Axway policies and containers using Axway Policy Studio v7.7 Working with DevOps toolset for develop and maintain Automated Testing and Code Deployment Provide Assistance to Axway support team to resolve technical issues Administrating the … Axway Environment, using Axway Policy Studio, Axway API Manager, Cassandra and API Gateway for Deployment of Axway Patches, monitor capacity, providing service improvements Liaise with customers to define project requirements, document and design solutions Your skills and experience SFTP HTTPS SSL/TLS oAuth JSON XML SOAP REST Mime Linux Scripting SC clearance is essential for this role. … If you'd like to discuss this Axway API Developer in more detail, please send your updated CV to (url removed) and I will get in touch. More ❯
Employment Type: Contract
Rate: £650 - £700/day
Posted:

Axway API Developer

London, United Kingdom
Hybrid / WFH Options
Randstad Digital
Axway API Developer (SC Cleared) 6 months contract Inside IR35 £500 to £650 a day Remote Working (UK based) Active SC Clearance is needed A top-tier defense organization is looking for an experienced Axway API Developer/Administrator to join their team on a 6-month contract. You will contribute to a large government gateway project, and More ❯
Employment Type: Contract
Rate: GBP 500 - 650 Daily
Posted:

BluePrism Developer

United Kingdom
Hybrid / WFH Options
Damia Group Ltd
looking for an SC Cleared BluePrism Developer to work within the Central Government sector Looking for an experienced Automation developer. Importantly they: Must have SC clearance Must have BluePrism Development experience Ideally have experience in PowerAutomate/APIs development Must be able to delivery independe click apply for full job details More ❯
Employment Type: Contract
Rate: GBP 500 - 501 Daily
Posted:

BluePrism Developer

United Kingdom
Hybrid / WFH Options
Damia Group Ltd
looking for an SC Cleared BluePrism Developer to work within the Central Government sector Looking for an experienced Automation developer. Importantly they: Must have SC clearance Must have BluePrism Development experience Ideally have experience in PowerAutomate/APIs development Must be able to delivery independently, reporting to an automation lead but these automations will be theirs to own More ❯
Employment Type: Contract
Rate: £500 - £501 per day
Posted:
API Development
10th Percentile
£363
25th Percentile
£413
Median
£500
75th Percentile
£580
90th Percentile
£679