Remote API Development Job Vacancies

151 to 172 of 172 Remote API Development Jobs

Senior Machine Learning Engineer

United Kingdom, UK
Hybrid / WFH Options
Understanding Recruitment
and improve engineering best practices Your skillset: Expert Python dev (pandas, FastAPI, Pydantic) Strong ML/AI experience incl. AutoML, LLMs, HuggingFace, LangChain Proficiency in Linux, Git, PostgreSQL, and API development Experience deploying AI models in containerised, cloud-based environments Bonus: agentic AI (smolagents, AutoGen), fine-tuning, MLOps know-how If you're passionate about shipping real AI More ❯
Employment Type: Full-time
Posted:

Senior Backend Engineer, Node.js + AWS

United Kingdom
Hybrid / WFH Options
Deel
Engineers, Product Teams, Designers, and QA professionals to create seamless experiences. Participate in Product Planning: From discovery to deployment, we value your input throughout all stages of the Software Development Lifecycle Develop and Enhance Features: Collaborate to develop robust new features, APIs, and continuously improve our industry-leading products. Help find and fix bugs at "Deel Speed." Provide an … Exceptional, Customer-Centric Experience: Ensure top-tier products and services through quality engineering and attentive, customer-focused development. What you'll bring to the Team: Expertise in Backend Development: Strong proficiency in Node.js, TypeScript/JavaScript best practices, along with experience in at least one other server-side language. Database Mastery: You're a SQL guru, particularly with PostgreSQL … scalability, ensuring they manage rapid growth and increasing demands efficiently. High-Volume Performance: Proven expertise in optimizing systems for large transaction volumes, handling concurrency, idempotency, and performance under load. API Development: Skilled in building APIs, including input validation, JWT tokens, and ensuring security & scalability through queue-based systems. Experience: at least 8 years of experience as a Software More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Mid-Level Developer - Consulting - £60,000 - London (Hybrid)

London, UK
Hybrid / WFH Options
Ventula Consulting
integration team and develop a cross functional integration platform. This is a great opportunity to upskill and become product certified. This role will be responsible for integration design and development, gathering client requirements and working across the full development lifecycle. Key Responsibilities: Develop and test end to end integration patterns. Learn and work with leading integration technologies (iPaaS … and API) - Mulesoft, SnapLogic, RedHat etc.) API and microservice design across cloud and on-prem environments. Learn and integrate with leading SaaS platforms. Complete high-quality deliverables in a fast-paced client facing environment. Key Requirements: Proven JavaScript experience (Java is a bonus) working across the full SDLC. Experience developing software for customers/third party clients considering … customer requirements and deadlines. Previous knowledge around the integration of software/systems (API development etc). Excellent communication skills with the ability to work with functional and non-functional stakeholders. Strong analytical skills – Able to complete business requirements gathering and mapping. This is a permanent position which provides a base salary of up to £60,000 plus More ❯
Employment Type: Full-time
Posted:

Mid-Level Developer - Consulting - £60,000 - London (Hybrid)

City of London, Greater London, UK
Hybrid / WFH Options
Ventula Consulting
integration team and develop a cross functional integration platform. This is a great opportunity to upskill and become product certified. This role will be responsible for integration design and development, gathering client requirements and working across the full development lifecycle. Key Responsibilities: Develop and test end to end integration patterns. Learn and work with leading integration technologies (iPaaS … and API) - Mulesoft, SnapLogic, RedHat etc.) API and microservice design across cloud and on-prem environments. Learn and integrate with leading SaaS platforms. Complete high-quality deliverables in a fast-paced client facing environment. Key Requirements: Proven JavaScript experience (Java is a bonus) working across the full SDLC. Experience developing software for customers/third party clients considering … customer requirements and deadlines. Previous knowledge around the integration of software/systems (API development etc). Excellent communication skills with the ability to work with functional and non-functional stakeholders. Strong analytical skills – Able to complete business requirements gathering and mapping. This is a permanent position which provides a base salary of up to £60,000 plus More ❯
Employment Type: Full-time
Posted:

C++ Developer

London, UK
Hybrid / WFH Options
Apollo Solutions
are seeking a highly skilled C++ Developer to work on a cutting-edge broadcast technology project with a leading industry partner. This role requires expertise in high-level software development, with a focus on real-time systems, scalable applications, and networking protocols. Logistics Position: Freelance C++ Developer (Contract) Duration: 6-Month Contract (Potential for Extension) Location: Hybrid - 3 Days … broadcast technology solutions. Collaborate with internal teams to ensure scalability, maintainability, and performance of the software. Work on networking protocols (UDP, TCP, WebSockets) to handle real-time data and API development for system integration. Support integration with third-party systems and collaborate with external vendors. Participate in Agile sprints, code reviews, and retrospectives. Essential Skills: Strong experience in … C++ development, particularly for high-level software (rather than embedded systems or device drivers). Proficient in Windows application development (experience with Visual Studio is essential). Solid understanding of multithreaded programming, real-time systems, and networking protocols (UDP, TCP, WebSockets). Experience working with RESTful APIs and system integration. Familiarity with Agile methodologies and collaborative development More ❯
Posted:

Senior React Engineer Fully Remote

Manchester, North West, United Kingdom
Hybrid / WFH Options
Interact Consulting Limited
and mobile applications. You'll work closely with cross-functional teams to deliver seamless, scalable, and secure solutions that empower both patients and healthcare professionals. Key Responsibilities Lead the development of user interfaces using React, React Native, and Next.js. Build and maintain robust APIs with experience in Nest.js or similar frameworks. Ensure high performance and responsiveness across both web … best practices in code quality, testing, and documentation. Skills & Experience Expertise in React, React Native, and Next.js with a proven track record of building complex applications. Strong experience with API development using Nest.js or similar backend frameworks. Excellent JavaScript/TypeScript skills and familiarity with modern frontend tooling. Experience in a startup environment or fast-paced tech company More ❯
Employment Type: Permanent, Work From Home
Posted:

Golang Developer

United Kingdom, UK
Hybrid / WFH Options
Attis
duty & tariffs, etc and develop APIs for 3rd party integrations. The ideal candidate will have substantial expertise in working with Golang, ideally in an AWS serverless environment. Responsibilities: Backend Development: Design, develop, and maintain serverless systems in Golang on AWS. Utilize AWS services such as DynamoDB, S3, ECS, ECR for efficient data processing. Integration and Deployment: 3rd part API development Work on systems using AWS ECS and ECR for deployment. Implement and optimize CI/CD pipelines for efficient deployment processes. Monitoring and Logging: Implement and maintain monitoring solutions using CloudWatch. Utilize EventBridge for event-driven architectures. Requirements: proficiency in Golang (additional Nodejs experience could be beneficial) with AWS services, serverless architecture, and Docker containers. problem-solving More ❯
Employment Type: Full-time
Posted:

Staff FullStack Engineer - Remote (EMEA)

United Kingdom
Hybrid / WFH Options
WunderGraph, Inc
at companies like eBay and SoundCloud build and manage their mission-critical federated GraphQL APIs. Your primary responsibility is to architect and build the definitive user experience for modern API development, creating a single, cohesive product that bridges our high-performance Go-based router and our TypeScript/React/Next.js-based frontend. You will not only design … completely, from architecture to operation, embodying our value of "Velocity over Perfection". Drive the architectural vision for the entire full-stack experience, making key decisions on frontend technologies, API design, and their integration with our core Go services. Bring deep full-stack expertise to the table, leveling up the entire team through mentorship, architectural guidance, and by championing … written in Go. You thrive in the dynamic environment of a scaling, remote-first company that values direct customer interaction and fast iteration. A strong understanding of system architecture, API design, and GraphQL. Familiarity with GraphQL Federation is a significant plus. Experience building or working with developer tools, platforms, or products with a highly technical user base is strongly More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Solution Architect API Azure

Watford, Hertfordshire, South East, United Kingdom
Hybrid / WFH Options
Method-Resourcing
standards Drive innovation through prototyping and evaluation of emerging technologies What We're Looking For: Proven experience as a Solution Architect or Solution Designer Proficiency in Azure skilled with API development, message buses and languages such as C#, Python, or PHP Excellent communication and stakeholder management skills Strategic thinker with a collaborative mindset and strong attention to technical More ❯
Employment Type: Permanent, Work From Home
Salary: £85,000
Posted:

Mercor - Software Developer

Houston, Texas, United States
Hybrid / WFH Options
Mercor
We are looking for skilled Software Developers to write, review, and validate prompt-based questions designed to train AI. Your expertise in database architecture, API development, system design, and infrastructure engineering will ensure each prompt and response is technically robust and grounded in real-world software practices. We welcome professionals from diverse software engineering backgrounds backend, full stack More ❯
Employment Type: Any
Salary: USD Annual
Posted:

Full Stack Engineer

South Yorkshire, UK
Hybrid / WFH Options
Salt
include: Developing and maintaining high-quality code using PHP, Laravel, Vue.js, and JavaScript. Ensuring scalability, performance, and accessibility in all projects. Supporting third-party integrations (e.g., Salesforce, Hubspot) and API development. Collaborating with cross-functional teams in an agile environment. Contributing to architectural decisions and promoting coding best practices. Tech Stack: PHP/Laravel, Vue.js/JavaScript, AWS Location More ❯
Posted:

Golang Developer Kafka API - Start-up

London, England, United Kingdom
Hybrid / WFH Options
Client Server
Golang Developer/Backend Software Engineer (Go Kafka API) London/WFH to £110k Do you have a deep knowledge of Go/Golang combined with software architecture and design skills? You could be progressing your career as a Golang Developer at a start-up payments technology company that is revolutionising the payments industry to Africa, improving speed, cost … days a week (also the possibility to be remote in the UK). About you: You're an experience backend focussed Software Engineer with strong commercial Go/Golang development experience You have experience with system design, event driven architectures, Kafka, API development You have a product based mindset and commercial acumen You have a thorough understanding … 110k Hybrid working (x3 days office) Impactful role with excellent career growth opportunities Apply now to find out more about this Golang Developer/Backend Software Engineer (Go Kafka API) opportunity. At Client Server we believe in a diverse workplace that allows people to play to their strengths and continually learn. We're an equal opportunities employer whose people More ❯
Posted:

Golang Developer Kafka API - Start-up

London, South East, England, United Kingdom
Hybrid / WFH Options
Client Server Ltd
Golang Developer/Backend Software Engineer (Go Kafka API) London/WFH to £110k Do you have a deep knowledge of Go/Golang combined with software architecture and design skills? You could be progressing your career as a Backend Software Engineer at a start-up payments technology company that is revolutionising the payments industry to Africa, improving speed … days a week (also the possibility to be remote in the UK). About you: You're an experience backend focussed Software Engineer with strong commercial Go/Golang development experience You have experience with system design, event driven architectures, Kafka, API development You have a product based mindset and commercial acumen You have a thorough understanding … 110k Hybrid working (x3 days office) Impactful role with excellent career growth opportunities Apply now to find out more about this Golang Developer/Backend Software Engineer (Go Kafka API) opportunity. At Client Server we believe in a diverse workplace that allows people to play to their strengths and continually learn. We're an equal opportunities employer whose people More ❯
Employment Type: Full-Time
Salary: £90,000 - £110,000 per annum
Posted:

Full Stack Software Engineer

Bournemouth, Dorset, United Kingdom
Hybrid / WFH Options
Spectrum IT Recruitment
across the UK. The technology is used by hundreds of thousands of users every day for travel to education, work and for independence. You will help in the design, development and release of award-winning products including mobile and ecommerce features and payment integrations. You will work closely within the development team and be supported by a lead … who will be on hand as and when required. Experience and skills required: HTML CSS JavaScript OOP PHP MySQL Apache Linux Ideally MVC Symfony or another closely related framework API development If you would like to be considered for this position then please contact Tom Rayner on (phone number removed) or email (url removed) Spectrum IT Recruitment (South More ❯
Employment Type: Permanent
Salary: £45000 - £60000/annum plus remote working
Posted:

Software Engineer

Southampton, UK
Hybrid / WFH Options
Synergize Consulting
Project Overview We are seeking a highly skilled software contractor to contribute to the development of a Traffic Management System (TMS) responsible for controlling traffic flows and interfacing securely with Variable Message Sign (VMS) hardware. The ideal candidate will possess deep knowledge in systems programming, networked APIs, and hardware interface protocols, with experience in safety-critical environments preferred. Key … framework. Attend on-site sessions as required to verify VMS display output and live traffic flow interactions. Required Skills and Qualifications Proficient in: C/C# programming languages SOAP API development Knowledge of: Oblak Protocol or similar field-based/serial messaging protocols Experience working in secure, safety-critical, or infrastructure-related environments Familiarity with automated logging and … with government or public sector software quality standards and validation procedures Working knowledge of IT security assessments and remediation processes Deliverables TMS Low-Level Design (LLD) documentation Configured secure API endpoints and updated legacy systems System logging & monitoring frameworks Incremental and final TMS software builds QA-approved test plan and execution reports Interface Control Documents and deployment scripts (Ansible More ❯
Employment Type: Full-time
Posted:

Data Engineer

Cardiff, South Glamorgan, Wales, United Kingdom
Hybrid / WFH Options
Hays
BE DETERMINED - HYBRID ROLE IN CARDIFF SKILLS - Strong understanding of Azure Cloud. - Extensive experience in SQL and Python. - Desirable: Azure Databricks, Azure Synapse and Azure Data Factory. RESPONSIBILITIES - Strong API development understanding. - Hands-on experience with ETL tools and creating data pipelines. - Previous experience of connecting new systems to Data Lake. What you need to do now If More ❯
Employment Type: Contract, Work From Home
Rate: £500 Per Day
Posted:

Backend Software Engineer Golang Kafka - Start-up

London, South East, England, United Kingdom
Hybrid / WFH Options
Client Server Ltd
Backend Software Engineer/Developer (Golang Kafka API) London/WFH to £110k Do you have a deep knowledge of Go/Golang combined with software architecture and design skills You could be progressing your career as a Backend Software Engineer at a start-up payments technology company that is revolutionising the payments industry to Africa, improving speed, cost … days a week (also the possibility to be remote in the UK). About you: You're an experience backend focussed Software Engineer with strong commercial Go/Golang development experience You have experience with system design, event driven architectures, Kafka, API development You have a product based mindset and commercial acumen You have a thorough understanding … to £110k Hybrid working (x3 days office) Impactful role with excellent career growth opportunities Apply now to find out more about this Backend Software Engineer/Developer (Golang Kafka API) opportunity.At Client Server we believe in a diverse workplace that allows people to play to their strengths and continually learn. We're an equal opportunities employer whose people come More ❯
Employment Type: Full-Time
Salary: £90,000 - £110,000 per annum
Posted:

Firmware Engineer

Cwmbran, Torfaen, Gwent, United Kingdom
Hybrid / WFH Options
Mentmore Recruitment
software engineering trade-offs. You should also have a system thinking mindset and enjoy working collaboratively with colleagues to solve problems. Responsibilities Design, develop, and maintain high-quality firmware, API and database systems using our tech stack (C, C++, Azure, Git) Look for opportunities to improve the reliability, simplicity and maintainability of our systems, including proposing changes to the … technical risks, and develop strategies to address technical debt. Foster a culture of innovation, experimentation, and continuous learning within the team. Contribute to wider team architecture discussions and software development activities Provide responsive support for urgent needs from users of the system Role requirements Technical Skills 3+ years of experience in software development Significant experience with Linux/… Knowledge of best practices in an always-up, always-available service Open-minded and willing to learn new technologies as required Experienced in C and C++ Experience in firmware development for embedded and IoT devices Experience in API development Strong understanding of computer architecture, operating systems, and device drivers Proficiency in developing and debugging firmware for microcontrollers More ❯
Employment Type: Permanent
Salary: £50000 - £55000/annum
Posted:

FPGA Engineer- Prop Trading Firm

London, United Kingdom
Hybrid / WFH Options
Quality Control Specialist - Pest Control
with passionate and curious colleagues who thrive on solving complex problems. As a member of the FPGA team, you'll play a key role in driving the design and development of cutting-edge FPGA applications. You'll play a crucial role in both pioneering new designs and upholding the robust performance of current systems, placing you at the core … hands-on implementation of new FPGA applications, guiding them from concept to completion - encompassing RTL design, synthesis, place & route, to static timing analysis. Facilitate software integration efforts through innovative API development and optimization of low-level code. Innovate and devise solutions that challenge and overcome FPGA, hardware, and software constraints Contact If this sounds like you, or you More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Technical Web API Manager

Manchester, England, United Kingdom
Hybrid / WFH Options
Xist4 IT
Technical Web API Manager – No Man Management Responsibilities Hybrid: Two days in our client's Manchester office and three days working from home. This role is perfect for someone confident in their skills but still eager to grow—particularly in API development and management, Python scripting, and exploring AI-driven solutions. An exceptional opportunity has opened up More ❯
Posted:

Technical Web API Manager

Newton, England, United Kingdom
Hybrid / WFH Options
Xist4 IT
Technical Web API Manager – No Man Management Responsibilities Hybrid: Two days in our client's Duxford office and three days working from home. This role is perfect for someone confident in their skills but still eager to grow—particularly in API development and management, Python scripting, and exploring AI-driven solutions. An exceptional opportunity has opened up More ❯
Posted:

Technical Web API Manager

Great Shelford, England, United Kingdom
Hybrid / WFH Options
Xist4 IT
Technical Web API Manager – No Man Management Responsibilities Not sure what skills you will need for this opportunity Simply read the full description below to get a complete picture of candidate requirements. Hybrid: Two days in our client's Duxford office and three days working from home. This role is perfect for someone confident in their skills but still … eager to grow—particularly in API development and management, Python scripting, and exploring AI-driven solutions. An exceptional opportunity has opened up to join a nationally respected cu... JBLK1_UKTJ More ❯
Posted:
API Development
10th Percentile
£43,875
25th Percentile
£51,250
Median
£70,000
75th Percentile
£87,500
90th Percentile
£105,625