Senior Golang Developer - Kubernetes - Financial Services Excellent opportunity opens for an experienced Developer strong on Golang with experience in AWS and Kubernetes to join a highly regarded Financial Services entity's London office. You will act as the team lead and play a key role in building mission-critical financial applications that power trading, investment, and risk management systems across the firm. If you are passionate about working in a dynamic, fast-paced environment and are eager to apply your technical expertise to the financial services industry, this is the role for you. Key Responsibilities: Design, develop, and maintain high-performance Back End services using GoLang to support financial applications and services , including trading platforms, investment systems, and risk management tools. Build and deploy cloud-based solutions using Amazon Web Services (AWS), including services such as EC2, S3, RDS, DynamoDB, and Lambda to create scalable, reliable, and secure infrastructure. Implement and manage containerized applications using Kubernetes, ensuring seamless orchestration, scaling, and resilience in a cloud environment. Write clean, efficient, and well-documented code while following best practices for financial systems development, focusing on performance and security. Collaborate with other development teams, business analysts, and stakeholders to define and refine requirements, and ensure that applications meet financial regulatory standards and business needs. Optimize the performance of Back End services, ensuring low-latency responses and high availability, critical for financial services. Implement CI/CD pipelines, automated testing, and monitoring systems to ensure the reliability and stability of production systems. Proactively identify issues and bottlenecks in existing systems and propose solutions to improve the system's performance and scalability. Stay updated with new tools, technologies, and industry trends in cloud computing, containerization, and financial systems to continuously improve development practices and outcomes. Ideal Skills: Proven experience (2+ years) in GoLang Back End development, with a strong focus on performance optimization and building scalable systems for high-volume, high-frequency financial applications. Strong experience working with Amazon Web Services (AWS), including EC2, S3, RDS, DynamoDB, Lambda, and other cloud-native technologies. Hands-on experience with Kubernetes for deploying, managing, and scaling containerized applications in a cloud environment. Solid understanding of financial systems and services, particularly in areas such as trading platforms, investment management, and risk analytics. Experience in building microservices architectures and working with APIs (RESTful, gRPC, etc.) to integrate various systems. Strong knowledge of containerization (Docker) and continuous integration/deployment (CI/CD) practices. Experience with database systems (relational and NoSQL) and working with financial data. Familiarity with DevOps practices and tools to streamline the development life cycle, such as infrastructure-as-code (eg, Terraform or CloudFormation). Ability to troubleshoot and resolve issues in production environments, ensuring uptime and performance in high-pressure, mission-critical scenarios. Excellent communication skills to collaborate effectively with cross-functional teams and stakeholders in a fast-paced financial environment. Experience with serverless computing (AWS Lambda, etc.) to create efficient and scalable solutions. Knowledge of financial industry regulations and standards, particularly around data security and privacy. Familiarity with event-driven architectures or message queues (eg, Kafka, RabbitMQ) for Real Time data processing. Experience with automated testing frameworks and continuous delivery tools like Jenkins, GitLab CI, or CircleCI. Understanding of performance monitoring and observability tools such as CloudWatch, Prometheus, or Datadog. Interested? Please Apply! Golang Go AWS Kubernetes Terraform Bank Banking Finance Financial Services Crypto Blockchain Web3 Trading Exchange Digital Assets Hybrid Flexible Developer Software Engineer Backend Developer Golang Engineer Kafka Apache Kafka RabbitMQ AWS Lambda Cloud Platform
11/12/2025
Full time
Senior Golang Developer - Kubernetes - Financial Services Excellent opportunity opens for an experienced Developer strong on Golang with experience in AWS and Kubernetes to join a highly regarded Financial Services entity's London office. You will act as the team lead and play a key role in building mission-critical financial applications that power trading, investment, and risk management systems across the firm. If you are passionate about working in a dynamic, fast-paced environment and are eager to apply your technical expertise to the financial services industry, this is the role for you. Key Responsibilities: Design, develop, and maintain high-performance Back End services using GoLang to support financial applications and services , including trading platforms, investment systems, and risk management tools. Build and deploy cloud-based solutions using Amazon Web Services (AWS), including services such as EC2, S3, RDS, DynamoDB, and Lambda to create scalable, reliable, and secure infrastructure. Implement and manage containerized applications using Kubernetes, ensuring seamless orchestration, scaling, and resilience in a cloud environment. Write clean, efficient, and well-documented code while following best practices for financial systems development, focusing on performance and security. Collaborate with other development teams, business analysts, and stakeholders to define and refine requirements, and ensure that applications meet financial regulatory standards and business needs. Optimize the performance of Back End services, ensuring low-latency responses and high availability, critical for financial services. Implement CI/CD pipelines, automated testing, and monitoring systems to ensure the reliability and stability of production systems. Proactively identify issues and bottlenecks in existing systems and propose solutions to improve the system's performance and scalability. Stay updated with new tools, technologies, and industry trends in cloud computing, containerization, and financial systems to continuously improve development practices and outcomes. Ideal Skills: Proven experience (2+ years) in GoLang Back End development, with a strong focus on performance optimization and building scalable systems for high-volume, high-frequency financial applications. Strong experience working with Amazon Web Services (AWS), including EC2, S3, RDS, DynamoDB, Lambda, and other cloud-native technologies. Hands-on experience with Kubernetes for deploying, managing, and scaling containerized applications in a cloud environment. Solid understanding of financial systems and services, particularly in areas such as trading platforms, investment management, and risk analytics. Experience in building microservices architectures and working with APIs (RESTful, gRPC, etc.) to integrate various systems. Strong knowledge of containerization (Docker) and continuous integration/deployment (CI/CD) practices. Experience with database systems (relational and NoSQL) and working with financial data. Familiarity with DevOps practices and tools to streamline the development life cycle, such as infrastructure-as-code (eg, Terraform or CloudFormation). Ability to troubleshoot and resolve issues in production environments, ensuring uptime and performance in high-pressure, mission-critical scenarios. Excellent communication skills to collaborate effectively with cross-functional teams and stakeholders in a fast-paced financial environment. Experience with serverless computing (AWS Lambda, etc.) to create efficient and scalable solutions. Knowledge of financial industry regulations and standards, particularly around data security and privacy. Familiarity with event-driven architectures or message queues (eg, Kafka, RabbitMQ) for Real Time data processing. Experience with automated testing frameworks and continuous delivery tools like Jenkins, GitLab CI, or CircleCI. Understanding of performance monitoring and observability tools such as CloudWatch, Prometheus, or Datadog. Interested? Please Apply! Golang Go AWS Kubernetes Terraform Bank Banking Finance Financial Services Crypto Blockchain Web3 Trading Exchange Digital Assets Hybrid Flexible Developer Software Engineer Backend Developer Golang Engineer Kafka Apache Kafka RabbitMQ AWS Lambda Cloud Platform
Senior Backend Engineer (Golang) Onsite: Tuesday, Wednesday, Thursday Our client is looking for an experienced Senior Backend Engineer with strong Golang expertise to help shape the systems, processes, and architecture driving their mission. If you re a hands-on problem solver who thrives in fast-paced, collaborative environments, this is a chance to work on impactful projects while accelerating your career in a growing company. The Role You ll be part of a cross-functional squad, delivering new features and capabilities that the business depends on. The backend is built in Go, following a documentation-first approach and a service-oriented architecture. High code quality, automated testing, and seamless deployments through CI/CD pipelines into AWS are core to the way they work. What You ll Be Doing Build & Deliver Write clean, testable, maintainable Go code Break down User Stories into clear, deliverable tasks Drive best practices across testing, code reviews, and refactoring Ensure compliance with coding standards, security, and regulations Collaborate & Influence Partner with product owners, designers, and engineers to turn requirements into technical solutions Contribute ideas that improve systems and processes Shape the Future Support technical roadmaps and long-term strategies Stay ahead of industry trends, sharing insights that spark innovation About You You enjoy tackling complex challenges, simplifying problems, and delivering outcomes that matter. You re action-oriented, detail-focused, and thrive in a collaborative, team-driven environment. Clear communication and a positive, empathetic approach set you apart. What You ll Bring 5+ years of software development with strongly typed languages (Go, Java, etc.), including 2+ years of commercial Golang experience Strong experience writing well-tested code Proven ability to take a User Story from refinement through to delivery within a sprint Solid background in data modelling and database design (SQL/NoSQL) Knowledge of distributed systems and event-driven architectures Experience building cloud-based REST API solutions Excellent communication and collaboration skills Nice to Have SaaS product experience Expertise in microservices and event-driven integration Knowledge of AWS architecture Familiarity with Terraform or other IaC tools Degree in Computer Science, Engineering, or related field
03/10/2025
Full time
Senior Backend Engineer (Golang) Onsite: Tuesday, Wednesday, Thursday Our client is looking for an experienced Senior Backend Engineer with strong Golang expertise to help shape the systems, processes, and architecture driving their mission. If you re a hands-on problem solver who thrives in fast-paced, collaborative environments, this is a chance to work on impactful projects while accelerating your career in a growing company. The Role You ll be part of a cross-functional squad, delivering new features and capabilities that the business depends on. The backend is built in Go, following a documentation-first approach and a service-oriented architecture. High code quality, automated testing, and seamless deployments through CI/CD pipelines into AWS are core to the way they work. What You ll Be Doing Build & Deliver Write clean, testable, maintainable Go code Break down User Stories into clear, deliverable tasks Drive best practices across testing, code reviews, and refactoring Ensure compliance with coding standards, security, and regulations Collaborate & Influence Partner with product owners, designers, and engineers to turn requirements into technical solutions Contribute ideas that improve systems and processes Shape the Future Support technical roadmaps and long-term strategies Stay ahead of industry trends, sharing insights that spark innovation About You You enjoy tackling complex challenges, simplifying problems, and delivering outcomes that matter. You re action-oriented, detail-focused, and thrive in a collaborative, team-driven environment. Clear communication and a positive, empathetic approach set you apart. What You ll Bring 5+ years of software development with strongly typed languages (Go, Java, etc.), including 2+ years of commercial Golang experience Strong experience writing well-tested code Proven ability to take a User Story from refinement through to delivery within a sprint Solid background in data modelling and database design (SQL/NoSQL) Knowledge of distributed systems and event-driven architectures Experience building cloud-based REST API solutions Excellent communication and collaboration skills Nice to Have SaaS product experience Expertise in microservices and event-driven integration Knowledge of AWS architecture Familiarity with Terraform or other IaC tools Degree in Computer Science, Engineering, or related field
Senior Backend Engineer (Go) Remote, UK 6 Month Contract An incredible opportunity for an experienced Senior Backend Engineer with advanced Go skills to join a prestigious tech client on a contract basis. This company is renowned for its engineering excellence, and they're looking for a Senior Backend Engineer who can take their distributed systems to the next level. As a Senior Backend Engineer, you'll be working on mission-critical, data-intensive applications that push the boundaries of technology, taking ownership of the full software engineering life cycle, including design, development, and implementation. Reporting into an Engineering Manager, the Senior Backend Engineer will also leverage modern technologies like AWS, Kubernetes, Docker, and Kafka, whilst also architecting and implementing microservices-based solutions in collaboration with cross-functional teams. In addition, the Senior Backend Engineer will also be responsible for optimising system performance, reliability, and scalability, as well as participating in code reviews, design discussions, and knowledge sharing. Senior Backend Engineer (Go) - Key Requirements: Significant professional experience in software development, with a strong focus on Back End systems Proficiency in Go/Golang and proven expertise in AWS, Kubernetes, and Docker Experience with end-to-end software engineering, including system design and architecture Hands-on experience working on complex, data-intensive applications A product-focused mindset and familiarity with working in technology-driven organisations or start-ups Hands-on skills in Kafka, Cassandra, gRPC, and microservices architecture will also be beneficial, as well as experience contributing to open-source projects If you're a passionate Senior Backend Engineer seeking a challenging and rewarding contract role with a reputable tech company, apply now! Our client is looking to onboard the right talent as soon as possible. We are an equal opportunities employer and welcome applications from all suitably qualified persons regardless of their race, sex, disability, religion/belief, sexual orientation, or age.
26/08/2025
Contractor
Senior Backend Engineer (Go) Remote, UK 6 Month Contract An incredible opportunity for an experienced Senior Backend Engineer with advanced Go skills to join a prestigious tech client on a contract basis. This company is renowned for its engineering excellence, and they're looking for a Senior Backend Engineer who can take their distributed systems to the next level. As a Senior Backend Engineer, you'll be working on mission-critical, data-intensive applications that push the boundaries of technology, taking ownership of the full software engineering life cycle, including design, development, and implementation. Reporting into an Engineering Manager, the Senior Backend Engineer will also leverage modern technologies like AWS, Kubernetes, Docker, and Kafka, whilst also architecting and implementing microservices-based solutions in collaboration with cross-functional teams. In addition, the Senior Backend Engineer will also be responsible for optimising system performance, reliability, and scalability, as well as participating in code reviews, design discussions, and knowledge sharing. Senior Backend Engineer (Go) - Key Requirements: Significant professional experience in software development, with a strong focus on Back End systems Proficiency in Go/Golang and proven expertise in AWS, Kubernetes, and Docker Experience with end-to-end software engineering, including system design and architecture Hands-on experience working on complex, data-intensive applications A product-focused mindset and familiarity with working in technology-driven organisations or start-ups Hands-on skills in Kafka, Cassandra, gRPC, and microservices architecture will also be beneficial, as well as experience contributing to open-source projects If you're a passionate Senior Backend Engineer seeking a challenging and rewarding contract role with a reputable tech company, apply now! Our client is looking to onboard the right talent as soon as possible. We are an equal opportunities employer and welcome applications from all suitably qualified persons regardless of their race, sex, disability, religion/belief, sexual orientation, or age.
Senior Backend Developer (Python) x5 6 Month Contract (InsideIR35) £600pd Fully Remote I have an urgent need for 5 Backend Engineers for one of our main clients. Are you: A proficient Backend Python Engineer? Do you: Write code predominantly in Golang or Python? Do you have: Familiarity with Google Cloud Platform specifically with its development tooling (ex. Debugging, APM, etc.)? Responsibilities: Your role as developer is to build optimized, scalable, and modular software using required technologies. You will be tasked with developing and coding Back End components and connecting applications to other web services. Essential skills: Proven experience as a application, microservices designer and developer maintaining and creating those solutions. Experience with Golang, Python, gRPC. Adaptability to pick up new languages and frameworks. Ability to understand and work with various storage solutions. In-depth understanding of the entire development process (design, development and deploy). Understanding of various API protocols. Excellent analytical and multitasking skills. Understanding of how systems run in production. Desirable Skills: Familiarity with Google Cloud Platform specifically with its development tooling (ex. Debugging, APM, etc.) Experience using SQL. Experience in DDD. Containerization. Experience working within a commercially Agile environment. Experience working with an automated build and deployment pipeline.
05/11/2021
Contractor
Senior Backend Developer (Python) x5 6 Month Contract (InsideIR35) £600pd Fully Remote I have an urgent need for 5 Backend Engineers for one of our main clients. Are you: A proficient Backend Python Engineer? Do you: Write code predominantly in Golang or Python? Do you have: Familiarity with Google Cloud Platform specifically with its development tooling (ex. Debugging, APM, etc.)? Responsibilities: Your role as developer is to build optimized, scalable, and modular software using required technologies. You will be tasked with developing and coding Back End components and connecting applications to other web services. Essential skills: Proven experience as a application, microservices designer and developer maintaining and creating those solutions. Experience with Golang, Python, gRPC. Adaptability to pick up new languages and frameworks. Ability to understand and work with various storage solutions. In-depth understanding of the entire development process (design, development and deploy). Understanding of various API protocols. Excellent analytical and multitasking skills. Understanding of how systems run in production. Desirable Skills: Familiarity with Google Cloud Platform specifically with its development tooling (ex. Debugging, APM, etc.) Experience using SQL. Experience in DDD. Containerization. Experience working within a commercially Agile environment. Experience working with an automated build and deployment pipeline.
Senior Backend Engineer -Golang/Java - Remote
Frankfurt – First 5 weeks onsite, then 4 days onsite every 2 weeks for sprints the rest remote
6-12 months - €65-€95 per hour
** Senior Backend Developer - Backend Programmer - Backend Engineer – Golang – Java 8- Spring Boot * Microservices * Event Sourcing / – CQRS - Containers * Docker * Kubernetes * Freelancer **
A global bank in Frankfurt is looking for multiple Backend Engineers to help with the development of a new loyalty subscription service.
Their preferred is Golang Engineers but second will highly consider Java Engineers. The main requirements are for Engineers to have developed Microservices in high transaction environments with Event Sourcing and a heavy CQRS approach.
The environment is professional so strong communication skills required.
These positions are starting right away and as described the first 5 weeks would be onsite then after this you would be required to be onsite in Frankfurt for 4 days out of 2 weeks for sprints and the rest remote.
Skill summary:
Golang/ Java Microservices experience
Event Sourcing
CQRS Approach to Microservices
Professional client facing skills
Potential German search terms: Freiberuflich * Freiberufler * Entwickler * Programmierer * Ingenieur * Berater * Beratung * Selbstständiger
If you would like to apply for this freelance Senior Backend Engineer opportunity, please click apply below for immediate consideration.
People Source Consulting Ltd is acting as an Employment Business in relation to this vacancy.
People Source specialise in technology recruitment across niche markets including Information Technology, Digital TV, Digital Marketing, Project and Programme Management, SAP, Digital and Consumer Electronics, Air Traffic Management, Management Consultancy, Business Intelligence, Manufacturing, Telecoms, Public Sector, Healthcare, Finance and Oil & Gas
29/10/2018
Senior Backend Engineer -Golang/Java - Remote
Frankfurt – First 5 weeks onsite, then 4 days onsite every 2 weeks for sprints the rest remote
6-12 months - €65-€95 per hour
** Senior Backend Developer - Backend Programmer - Backend Engineer – Golang – Java 8- Spring Boot * Microservices * Event Sourcing / – CQRS - Containers * Docker * Kubernetes * Freelancer **
A global bank in Frankfurt is looking for multiple Backend Engineers to help with the development of a new loyalty subscription service.
Their preferred is Golang Engineers but second will highly consider Java Engineers. The main requirements are for Engineers to have developed Microservices in high transaction environments with Event Sourcing and a heavy CQRS approach.
The environment is professional so strong communication skills required.
These positions are starting right away and as described the first 5 weeks would be onsite then after this you would be required to be onsite in Frankfurt for 4 days out of 2 weeks for sprints and the rest remote.
Skill summary:
Golang/ Java Microservices experience
Event Sourcing
CQRS Approach to Microservices
Professional client facing skills
Potential German search terms: Freiberuflich * Freiberufler * Entwickler * Programmierer * Ingenieur * Berater * Beratung * Selbstständiger
If you would like to apply for this freelance Senior Backend Engineer opportunity, please click apply below for immediate consideration.
People Source Consulting Ltd is acting as an Employment Business in relation to this vacancy.
People Source specialise in technology recruitment across niche markets including Information Technology, Digital TV, Digital Marketing, Project and Programme Management, SAP, Digital and Consumer Electronics, Air Traffic Management, Management Consultancy, Business Intelligence, Manufacturing, Telecoms, Public Sector, Healthcare, Finance and Oil & Gas